LegalizeDAG.cpp revision 9b0f0b5e1505dcd4ec0da87ea9e29c59d98a8d27
13e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner//===-- LegalizeDAG.cpp - Implement SelectionDAG::Legalize ----------------===// 2edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman// 33e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// The LLVM Compiler Infrastructure 43e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 7edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman// 83e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner//===----------------------------------------------------------------------===// 93e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// 103e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// This file implements the SelectionDAG::Legalize method. 113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// 123e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner//===----------------------------------------------------------------------===// 133e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 143e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner#include "llvm/CodeGen/SelectionDAG.h" 153e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner#include "llvm/CodeGen/MachineFunction.h" 1645b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner#include "llvm/CodeGen/MachineFrameInfo.h" 17acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey#include "llvm/CodeGen/MachineJumpTableInfo.h" 1884bc5427d6883f73cfeae3da640acd011d35c006Chris Lattner#include "llvm/CodeGen/MachineModuleInfo.h" 1969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman#include "llvm/CodeGen/PseudoSourceValue.h" 2061bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng#include "llvm/Target/TargetFrameInfo.h" 213e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner#include "llvm/Target/TargetLowering.h" 22e1bd822ddb0099406d9f280535461033dfeeb190Chris Lattner#include "llvm/Target/TargetData.h" 233d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng#include "llvm/Target/TargetMachine.h" 240f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner#include "llvm/Target/TargetOptions.h" 25707e0184233f27e0e9f9aee0309f2daab8cfe7f8Dan Gohman#include "llvm/Target/TargetSubtarget.h" 26adf6a965a321372c640845407195594835921eb4Chris Lattner#include "llvm/CallingConv.h" 273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner#include "llvm/Constants.h" 28c10305743c313558405079452138f03124e87581Reid Spencer#include "llvm/DerivedTypes.h" 295e46a19ec848cd4fc9649bd5170c43d9e657668cChris Lattner#include "llvm/Support/CommandLine.h" 30a4f0b3a084d120cfc5b5bb06f64b222f5cb72740Chris Lattner#include "llvm/Support/Compiler.h" 31dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands#include "llvm/Support/MathExtras.h" 327971514755a08ec156a1b9c0f7f05d67919c56b7Chris Lattner#include "llvm/ADT/DenseMap.h" 33f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner#include "llvm/ADT/SmallVector.h" 3400755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner#include "llvm/ADT/SmallPtrSet.h" 35033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng#include <map> 363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnerusing namespace llvm; 373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner//===----------------------------------------------------------------------===// 393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// SelectionDAGLegalize - This takes an arbitrary SelectionDAG as input and 403e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// hacks on it until the target machine can handle it. This involves 413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// eliminating value sizes the machine cannot handle (promoting small sizes to 423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// large sizes or splitting up large values into small values) as well as 433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// eliminating operations the machine cannot handle. 443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// 453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// This code also does a small amount of optimization and recognition of idioms 463e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// as part of its processing. For example, if a target does not support a 473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// 'setcc' instruction efficiently, but does support 'brcc' instruction, this 483e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// will attempt merge setcc and brc instructions into brcc's. 493e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// 503e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnernamespace { 51360e8200ec544a3c877ff74b48f445140ac9bbd6Chris Lattnerclass VISIBILITY_HIDDEN SelectionDAGLegalize { 523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner TargetLowering &TLI; 533e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner SelectionDAG &DAG; 543e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Libcall insertion helpers. 566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner /// LastCALLSEQ_END - This keeps track of the CALLSEQ_END node that has been 586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner /// legalized. We use this to ensure that calls are properly serialized 596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner /// against each other, including inserted libcalls. 60475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LastCALLSEQ_END; 616831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 626831a815999dde4cf801e2076e66b4943964daf2Chris Lattner /// IsLegalizingCall - This member is used *only* for purposes of providing 636831a815999dde4cf801e2076e66b4943964daf2Chris Lattner /// helpful assertions that a libcall isn't created while another call is 646831a815999dde4cf801e2076e66b4943964daf2Chris Lattner /// being legalized (which could lead to non-serialized call sequences). 656831a815999dde4cf801e2076e66b4943964daf2Chris Lattner bool IsLegalizingCall; 666831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 673e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner enum LegalizeAction { 6868a17febc70d9beb5353454e0c6d136ca1e87605Chris Lattner Legal, // The target natively supports this operation. 6968a17febc70d9beb5353454e0c6d136ca1e87605Chris Lattner Promote, // This operation should be executed in a larger type. 70d74ea2bbd8bb630331f35ead42d385249bd42af8Chris Lattner Expand // Try to expand this to other ops, otherwise use a libcall. 713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner }; 726831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// ValueTypeActions - This is a bitvector that contains two bits for each 743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// value type, where the two bits correspond to the LegalizeAction enum. 753e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// This can be queried with "getTypeAction(VT)". 7668a17febc70d9beb5353454e0c6d136ca1e87605Chris Lattner TargetLowering::ValueTypeActionImpl ValueTypeActions; 773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 783e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// LegalizedNodes - For nodes that are of legal width, and that have more 793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// than one use, this map indicates what regularized operand to use. This 803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// allows us to avoid legalizing the same thing more than once. 81475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue> LegalizedNodes; 823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 8303c8546ec57523970874917854a2fb77b1ff598eChris Lattner /// PromotedNodes - For nodes that are below legal width, and that have more 8403c8546ec57523970874917854a2fb77b1ff598eChris Lattner /// than one use, this map indicates what promoted value to use. This allows 8503c8546ec57523970874917854a2fb77b1ff598eChris Lattner /// us to avoid promoting the same thing more than once. 86475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue> PromotedNodes; 8703c8546ec57523970874917854a2fb77b1ff598eChris Lattner 88c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// ExpandedNodes - For nodes that need to be expanded this map indicates 890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// which operands are the expanded version of the input. This allows 90c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// us to avoid expanding the same node more than once. 91475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, std::pair<SDValue, SDValue> > ExpandedNodes; 923e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 93c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// SplitNodes - For vector nodes that need to be split, this map indicates 940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// which operands are the split version of the input. This allows us 95c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// to avoid splitting the same node more than once. 96475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::pair<SDValue, SDValue> > SplitNodes; 97c7029805ef35ce9805931067b841e6af11db382eChris Lattner 987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// ScalarizedNodes - For nodes that need to be converted from vector types to 997f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// scalar types, this contains the mapping of ones we have already 100c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// processed to the result. 101475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, SDValue> ScalarizedNodes; 102c7029805ef35ce9805931067b841e6af11db382eChris Lattner 103f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// WidenNodes - For nodes that need to be widened from one vector type to 104f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// another, this contains the mapping of those that we have already widen. 105f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// This allows us to avoid widening more than once. 1060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue> WidenNodes; 1070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 108475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void AddLegalizedOperand(SDValue From, SDValue To) { 10969a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner LegalizedNodes.insert(std::make_pair(From, To)); 11069a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner // If someone requests legalization of the new node, return itself. 11169a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner if (From != To) 11269a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner LegalizedNodes.insert(std::make_pair(To, To)); 1138afc48e44ad8868c1d41511db645e2ba1a4b894eChris Lattner } 114475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void AddPromotedOperand(SDValue From, SDValue To) { 1156b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman bool isNew = PromotedNodes.insert(std::make_pair(From, To)).second; 11603c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isNew && "Got into the map somehow?"); 11724ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 11869a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner // If someone requests legalization of the new node, return itself. 11969a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner LegalizedNodes.insert(std::make_pair(To, To)); 12003c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 121f007a8b931e229eb325319c97363be8507311e2eMon P Wang void AddWidenedOperand(SDValue From, SDValue To) { 1220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isNew = WidenNodes.insert(std::make_pair(From, To)).second; 1230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(isNew && "Got into the map somehow?"); 12424ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 1250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // If someone requests legalization of the new node, return itself. 1260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LegalizedNodes.insert(std::make_pair(To, To)); 1270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 1288afc48e44ad8868c1d41511db645e2ba1a4b894eChris Lattner 1293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnerpublic: 1301002c0203450620594a85454c6a095ca94b87cb2Dan Gohman explicit SelectionDAGLegalize(SelectionDAG &DAG); 1313e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1323e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// getTypeAction - Return how we should legalize values of this type, either 1333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// it is already legal or we need to expand it into multiple registers of 1343e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// smaller integer type, or we need to promote it to a larger type. 13583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands LegalizeAction getTypeAction(MVT VT) const { 13668a17febc70d9beb5353454e0c6d136ca1e87605Chris Lattner return (LegalizeAction)ValueTypeActions.getTypeAction(VT); 1373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// isTypeLegal - Return true if this type is legal on this target. 1403e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// 14183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands bool isTypeLegal(MVT VT) const { 1423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner return getTypeAction(VT) == Legal; 1433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner void LegalizeDAG(); 1463e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 147456a93afcec7740c45cafa8354317f7b17987a6dChris Lattnerprivate: 1487f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// HandleOp - Legalize, Promote, or Expand the specified operand as 149c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// appropriate for its type. 150475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void HandleOp(SDValue Op); 151c7029805ef35ce9805931067b841e6af11db382eChris Lattner 152c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// LegalizeOp - We know that the specified value has a legal type. 153c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// Recursively ensure that the operands have legal types, then return the 154c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// result. 155475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LegalizeOp(SDValue O); 156c7029805ef35ce9805931067b841e6af11db382eChris Lattner 157826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// UnrollVectorOp - We know that the given vector has a legal type, however 158826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// the operation it performs is not legal and is an operation that we have 159826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// no way of lowering. "Unroll" the vector, splitting out the scalars and 160826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// operating on each element individually. 161475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UnrollVectorOp(SDValue O); 1626867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 1636867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// PerformInsertVectorEltInMemory - Some target cannot handle a variable 1646867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// insertion index for the INSERT_VECTOR_ELT instruction. In this case, it 1656867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// is necessary to spill the vector being inserted into to memory, perform 1666867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// the insert there, and then read the result back. 167475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, 168475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx); 169826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 170c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// PromoteOp - Given an operation that produces a value in an invalid type, 171c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// promote it to compute the value into a larger type. The produced value 172c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// will have the correct bits for the low portion of the register, but no 173c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// guarantee is made about the top bits: it may be zero, sign-extended, or 174c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// garbage. 175475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PromoteOp(SDValue O); 1763e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 177475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// ExpandOp - Expand the specified SDValue into its two component pieces 178c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// Lo&Hi. Note that the Op MUST be an expanded type. As a result of this, 179929d3eb171cd95a7fb353ef71a460d2061be4e6cDan Gohman /// the LegalizedNodes map is filled in for any results that are not expanded, 180c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// the ExpandedNodes map is filled in for any results that are expanded, and 181c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// the Lo/Hi values are returned. This applies to integer types and Vector 182c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// types. 183475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ExpandOp(SDValue O, SDValue &Lo, SDValue &Hi); 184c7029805ef35ce9805931067b841e6af11db382eChris Lattner 185f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// WidenVectorOp - Widen a vector operation to a wider type given by WidenVT 186f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// (e.g., v3i32 to v4i32). The produced value will have the correct value 187f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// for the existing elements but no guarantee is made about the new elements 188f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// at the end of the vector: it may be zero, ones, or garbage. This is useful 189f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// when we have an instruction operating on an illegal vector type and we 190f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// want to widen it to do the computation on a legal wider vector type. 1910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue WidenVectorOp(SDValue Op, MVT WidenVT); 1920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 1937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// SplitVectorOp - Given an operand of vector type, break it down into 1947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// two smaller values. 195475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void SplitVectorOp(SDValue O, SDValue &Lo, SDValue &Hi); 196c7029805ef35ce9805931067b841e6af11db382eChris Lattner 19789b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman /// ScalarizeVectorOp - Given an operand of single-element vector type 19889b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman /// (e.g. v1f32), convert it into the equivalent operation that returns a 19989b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman /// scalar (e.g. f32) value. 200475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScalarizeVectorOp(SDValue O); 201c7029805ef35ce9805931067b841e6af11db382eChris Lattner 202f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// Useful 16 element vector type that is used to pass operands for widening. 2030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang typedef SmallVector<SDValue, 16> SDValueVector; 2040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LoadWidenVectorOp - Load a vector for a wider type. Returns true if 2060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// the LdChain contains a single load and false if it contains a token 2070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// factor for multiple loads. It takes 2080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Result: location to return the result 2090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LdChain: location to return the load chain 2100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Op: load operation to widen 2110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// NVT: widen vector result type we want for the load 2120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool LoadWidenVectorOp(SDValue& Result, SDValue& LdChain, 2130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Op, MVT NVT); 2140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Helper genWidenVectorLoads - Helper function to generate a set of 2160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// loads to load a vector with a resulting wider type. It takes 2170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LdChain: list of chains for the load we have generated 2180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Chain: incoming chain for the ld vector 2190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// BasePtr: base pointer to load from 2200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// SV: memory disambiguation source value 2210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// SVOffset: memory disambiugation offset 2220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Alignment: alignment of the memory 2230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// isVolatile: volatile load 2240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LdWidth: width of memory that we want to load 2250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// ResType: the wider result result type for the resulting loaded vector 2260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue genWidenVectorLoads(SDValueVector& LdChain, SDValue Chain, 2270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, const Value *SV, 2280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, unsigned Alignment, 2290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, unsigned LdWidth, 2300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT ResType); 2310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// StoreWidenVectorOp - Stores a widen vector into non widen memory 2330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// location. It takes 2340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// ST: store node that we want to replace 2350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Chain: incoming store chain 2360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// BasePtr: base address of where we want to store into 2370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue StoreWidenVectorOp(StoreSDNode *ST, SDValue Chain, 2380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr); 2390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Helper genWidenVectorStores - Helper function to generate a set of 2410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// stores to store a widen vector into non widen memory 2420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It takes 2430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // StChain: list of chains for the stores we have generated 2440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Chain: incoming chain for the ld vector 2450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // BasePtr: base pointer to load from 2460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // SV: memory disambiguation source value 2470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // SVOffset: memory disambiugation offset 2480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Alignment: alignment of the memory 2490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // isVolatile: volatile lod 2500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // ValOp: value to store 2510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // StWidth: width of memory that we want to store 2520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang void genWidenVectorStores(SDValueVector& StChain, SDValue Chain, 2530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, const Value *SV, 2540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, unsigned Alignment, 2550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, SDValue ValOp, 2560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned StWidth); 2570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 258d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands /// isShuffleLegal - Return non-null if a vector shuffle is legal with the 2594352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// specified mask and type. Targets can specify exactly which masks they 2604352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// support and the code generator is tasked with not creating illegal masks. 2614352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// 2624352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// Note that this will also return true for shuffles that are promoted to a 2634352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// different type. 2644352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// 2654352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// If this is a legal shuffle, this method returns the (possibly promoted) 2664352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// build_vector Mask. If it's not a legal shuffle, it returns null. 267475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *isShuffleLegal(MVT VT, SDValue Mask) const; 2684352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 269c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner bool LegalizeAllNodesNotLeadingTo(SDNode *N, SDNode *Dest, 27000755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner SmallPtrSet<SDNode*, 32> &NodesLeadingTo); 2716831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 272475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void LegalizeSetCCOperands(SDValue &LHS, SDValue &RHS, SDValue &CC); 2737f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng void LegalizeSetCCCondCode(MVT VT, SDValue &LHS, SDValue &RHS, SDValue &CC); 2747f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng void LegalizeSetCC(MVT VT, SDValue &LHS, SDValue &RHS, SDValue &CC) { 2757f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCCOperands(LHS, RHS, CC); 2767f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCCCondCode(VT, LHS, RHS, CC); 2777f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 278750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 279475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, bool isSigned, 280475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Hi); 281475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandIntToFP(bool isSigned, MVT DestTy, SDValue Source); 282475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 283475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue EmitStackConvert(SDValue SrcOp, MVT SlotVT, MVT DestVT); 284475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandBUILD_VECTOR(SDNode *Node); 285475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandSCALAR_TO_VECTOR(SDNode *Node); 2867f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue LegalizeINT_TO_FP(SDValue Result, bool isSigned, MVT DestTy, SDValue Op); 287475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandLegalINT_TO_FP(bool isSigned, SDValue LegalOp, MVT DestVT); 288475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PromoteLegalINT_TO_FP(SDValue LegalOp, MVT DestVT, bool isSigned); 289475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PromoteLegalFP_TO_INT(SDValue LegalOp, MVT DestVT, bool isSigned); 290475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 291475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandBSWAP(SDValue Op); 292475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandBitCount(unsigned Opc, SDValue Op); 293475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool ExpandShift(unsigned Opc, SDValue Op, SDValue Amt, 294475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi); 295475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ExpandShiftParts(unsigned NodeOp, SDValue Op, SDValue Amt, 296475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi); 297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 298475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandEXTRACT_SUBVECTOR(SDValue Op); 299475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandEXTRACT_VECTOR_ELT(SDValue Op); 3003e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner}; 3013e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3023e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3034352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// isVectorShuffleLegal - Return true if a vector shuffle is legal with the 3044352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// specified mask and type. Targets can specify exactly which masks they 3054352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// support and the code generator is tasked with not creating illegal masks. 3064352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// 3074352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// Note that this will also return true for shuffles that are promoted to a 3084352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// different type. 309475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDNode *SelectionDAGLegalize::isShuffleLegal(MVT VT, SDValue Mask) const { 3104352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner switch (TLI.getOperationAction(ISD::VECTOR_SHUFFLE, VT)) { 3114352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner default: return 0; 3124352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Legal: 3134352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Custom: 3144352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 3154352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Promote: { 3164352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // If this is promoted to a different type, convert the shuffle mask and 3174352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // ask if it is legal in the promoted type! 31883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(ISD::VECTOR_SHUFFLE, VT); 319d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands MVT EltVT = NVT.getVectorElementType(); 3204352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 3214352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // If we changed # elements, change the shuffle mask. 3224352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner unsigned NumEltsGrowth = 32383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NVT.getVectorNumElements() / VT.getVectorNumElements(); 3244352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner assert(NumEltsGrowth && "Cannot promote to vector type with fewer elts!"); 3254352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (NumEltsGrowth > 1) { 3264352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Renumber the elements. 327475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 3284352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner for (unsigned i = 0, e = Mask.getNumOperands(); i != e; ++i) { 329475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InOp = Mask.getOperand(i); 3304352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner for (unsigned j = 0; j != NumEltsGrowth; ++j) { 3314352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (InOp.getOpcode() == ISD::UNDEF) 332d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); 3334352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner else { 334f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned InEltNo = cast<ConstantSDNode>(InOp)->getZExtValue(); 335d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands Ops.push_back(DAG.getConstant(InEltNo*NumEltsGrowth+j, EltVT)); 3364352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3374352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3384352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 339bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner Mask = DAG.getNode(ISD::BUILD_VECTOR, NVT, &Ops[0], Ops.size()); 3404352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3414352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner VT = NVT; 3424352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 3434352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3444352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 345ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return TLI.isShuffleMaskLegal(Mask, VT) ? Mask.getNode() : 0; 3464352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner} 3474352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 3489c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris LattnerSelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag) 3499c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner : TLI(dag.getTargetLoweringInfo()), DAG(dag), 3509c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner ValueTypeActions(TLI.getValueTypeActions()) { 3516a648614e88586e85a36ceb5c1d3b84e4f55b458Nate Begeman assert(MVT::LAST_VALUETYPE <= 32 && 3523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner "Too many value types for ValueTypeActions to hold!"); 3533e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3543e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3553e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnervoid SelectionDAGLegalize::LegalizeDAG() { 3566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 3576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = false; 3586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 359ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // The legalize process is inherently a bottom-up recursive process (users 360ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // legalize their uses before themselves). Given infinite stack space, we 361ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // could just start legalizing on the root and traverse the whole graph. In 362ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // practice however, this causes us to run out of stack space on large basic 36332fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // blocks. To avoid this problem, compute an ordering of the nodes where each 36432fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // node is only legalized after all of its operands are legalized. 365f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman DAG.AssignTopologicalOrder(); 366f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman for (SelectionDAG::allnodes_iterator I = DAG.allnodes_begin(), 367f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman E = prior(DAG.allnodes_end()); I != next(E); ++I) 368f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman HandleOp(SDValue(I, 0)); 36932fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner 37032fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // Finally, it's possible the root changed. Get the new root. 371475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue OldRoot = DAG.getRoot(); 37232fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner assert(LegalizedNodes.count(OldRoot) && "Root didn't get legalized?"); 37332fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner DAG.setRoot(LegalizedNodes[OldRoot]); 3743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3753e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandedNodes.clear(); 3763e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner LegalizedNodes.clear(); 37771c42a0190300a8903aaea80467b88f15f327ea9Chris Lattner PromotedNodes.clear(); 378c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitNodes.clear(); 3797f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizedNodes.clear(); 3800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenNodes.clear(); 3813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // Remove dead nodes now. 383190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner DAG.RemoveDeadNodes(); 3843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3866831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 3876831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// FindCallEndFromCallStart - Given a chained node that is part of a call 3886831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// sequence, find the CALLSEQ_END node that terminates the call sequence. 3896831a815999dde4cf801e2076e66b4943964daf2Chris Lattnerstatic SDNode *FindCallEndFromCallStart(SDNode *Node) { 3906831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getOpcode() == ISD::CALLSEQ_END) 3916831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Node; 3926831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->use_empty()) 3936831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; // No CallSeqEnd 3946831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 3956831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // The chain is usually at the end. 396475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TheChain(Node, Node->getNumValues()-1); 3976831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) { 3986831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Sometimes it's at the beginning. 399475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TheChain = SDValue(Node, 0); 4006831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) { 4016831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, hunt for it. 4026831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 1, e = Node->getNumValues(); i != e; ++i) 4036831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getValueType(i) == MVT::Other) { 404475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TheChain = SDValue(Node, i); 4056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4076831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, we walked into a node without a chain. 4096831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) 4106831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; 4116831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4126831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4136831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4146831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (SDNode::use_iterator UI = Node->use_begin(), 4156831a815999dde4cf801e2076e66b4943964daf2Chris Lattner E = Node->use_end(); UI != E; ++UI) { 4166831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4176831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Make sure to only follow users of our token chain. 4188968450305c28444edc3c272d8752a8db0c2f34aDan Gohman SDNode *User = *UI; 4196831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) 4206831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (User->getOperand(i) == TheChain) 4216831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (SDNode *Result = FindCallEndFromCallStart(User)) 4226831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Result; 4236831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; 4256831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4276831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// FindCallStartFromCallEnd - Given a chained node that is part of a call 4286831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// sequence, find the CALLSEQ_START node that initiates the call sequence. 4296831a815999dde4cf801e2076e66b4943964daf2Chris Lattnerstatic SDNode *FindCallStartFromCallEnd(SDNode *Node) { 4306831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(Node && "Didn't find callseq_start for a call??"); 4316831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getOpcode() == ISD::CALLSEQ_START) return Node; 4326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(Node->getOperand(0).getValueType() == MVT::Other && 4346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner "Node doesn't have a token chain argument!"); 435ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return FindCallStartFromCallEnd(Node->getOperand(0).getNode()); 4366831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4376831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4386831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// LegalizeAllNodesNotLeadingTo - Recursively walk the uses of N, looking to 4396831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// see if any uses can reach Dest. If no dest operands can get to dest, 4406831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// legalize them, legalize ourself, and return false, otherwise, return true. 441c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// 442c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// Keep track of the nodes we fine that actually do lead to Dest in 443c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// NodesLeadingTo. This avoids retraversing them exponential number of times. 444c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// 445c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattnerbool SelectionDAGLegalize::LegalizeAllNodesNotLeadingTo(SDNode *N, SDNode *Dest, 44600755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner SmallPtrSet<SDNode*, 32> &NodesLeadingTo) { 4476831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (N == Dest) return true; // N certainly leads to Dest :) 4486831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 449c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner // If we've already processed this node and it does lead to Dest, there is no 450c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner // need to reprocess it. 451c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner if (NodesLeadingTo.count(N)) return true; 452c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner 4536831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // If the first result of this node has been already legalized, then it cannot 4546831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // reach N. 4556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner switch (getTypeAction(N->getValueType(0))) { 4566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Legal: 457475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (LegalizedNodes.count(SDValue(N, 0))) return false; 4586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Promote: 460475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (PromotedNodes.count(SDValue(N, 0))) return false; 4616831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4626831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Expand: 463475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (ExpandedNodes.count(SDValue(N, 0))) return false; 4646831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4656831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4666831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4676831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Okay, this node has not already been legalized. Check and legalize all 4686831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // operands. If none lead to Dest, then we can legalize this node. 4696831a815999dde4cf801e2076e66b4943964daf2Chris Lattner bool OperandsLeadToDest = false; 4706831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) 4716831a815999dde4cf801e2076e66b4943964daf2Chris Lattner OperandsLeadToDest |= // If an operand leads to Dest, so do we. 472ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LegalizeAllNodesNotLeadingTo(N->getOperand(i).getNode(), Dest, NodesLeadingTo); 4736831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 474c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner if (OperandsLeadToDest) { 475c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner NodesLeadingTo.insert(N); 476c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner return true; 477c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner } 4786831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4796831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Okay, this node looks safe, legalize it and return false. 480475871a144eb604ddaf37503397ba0941442e5fbDan Gohman HandleOp(SDValue(N, 0)); 4816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return false; 4826831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4836831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang/// HandleOp - Legalize, Promote, Widen, or Expand the specified operand as 485c7029805ef35ce9805931067b841e6af11db382eChris Lattner/// appropriate for its type. 486475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::HandleOp(SDValue Op) { 48783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 4887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman switch (getTypeAction(VT)) { 489c7029805ef35ce9805931067b841e6af11db382eChris Lattner default: assert(0 && "Bad type action!"); 4907f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case Legal: (void)LegalizeOp(Op); break; 4910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Promote: 4920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!VT.isVector()) { 4930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang (void)PromoteOp(Op); 4940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 4950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 4960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 4970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // See if we can widen otherwise use Expand to either scalarize or split 4980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT WidenVT = TLI.getWidenVectorType(VT); 4990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (WidenVT != MVT::Other) { 5000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang (void) WidenVectorOp(Op, WidenVT); 5010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 5020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 5030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // else fall thru to expand since we can't widen the vector 5040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 505c7029805ef35ce9805931067b841e6af11db382eChris Lattner case Expand: 50683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!VT.isVector()) { 5077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // If this is an illegal scalar, expand it into its two component 5087f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // pieces. 509475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue X, Y; 51009ec1b058331aadb29a348091611d23892b5c492Chris Lattner if (Op.getOpcode() == ISD::TargetConstant) 51109ec1b058331aadb29a348091611d23892b5c492Chris Lattner break; // Allow illegal target nodes. 512c7029805ef35ce9805931067b841e6af11db382eChris Lattner ExpandOp(Op, X, Y); 51383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (VT.getVectorNumElements() == 1) { 5147f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // If this is an illegal single element vector, convert it to a 5157f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // scalar operation. 5167f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman (void)ScalarizeVectorOp(Op); 517c7029805ef35ce9805931067b841e6af11db382eChris Lattner } else { 5180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // This is an illegal multiple element vector. 5197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Split it in half and legalize both parts. 520475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue X, Y; 5217f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SplitVectorOp(Op, X, Y); 522c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 523c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 524c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 525c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 5266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 5279f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng/// ExpandConstantFP - Expands the ConstantFP node to an integer constant or 5289f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng/// a load from the constant pool. 529475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanstatic SDValue ExpandConstantFP(ConstantFPSDNode *CFP, bool UseCP, 530279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng SelectionDAG &DAG, TargetLowering &TLI) { 531004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng bool Extend = false; 532004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 533004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // If a FP immediate is precise when represented as a float and if the 534004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // target can do an extending load from float to double, we put it into 535004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // the constant pool as a float, even if it's is statically typed as a 536aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // double. This shrinks FP constants and canonicalizes them for targets where 537aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // an FP extending load is the same cost as a normal load (such as on the x87 538aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // fp stack or PPC FP unit). 53983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = CFP->getValueType(0); 5404fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman ConstantFP *LLVMC = const_cast<ConstantFP*>(CFP->getConstantFPValue()); 5419f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (!UseCP) { 5429e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen if (VT!=MVT::f64 && VT!=MVT::f32) 5439e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen assert(0 && "Invalid type expansion"); 5447111b02c734c992b8c97d9918118768026dad79eDale Johannesen return DAG.getConstant(LLVMC->getValueAPF().bitcastToAPInt(), 545ef12057737229452c17983faa20857dba441ef05Evan Cheng (VT == MVT::f64) ? MVT::i64 : MVT::i32); 546279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng } 547279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng 54883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OrigVT = VT; 54983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SVT = VT; 550ef12057737229452c17983faa20857dba441ef05Evan Cheng while (SVT != MVT::f32) { 55183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SVT = (MVT::SimpleValueType)(SVT.getSimpleVT() - 1); 552ef12057737229452c17983faa20857dba441ef05Evan Cheng if (CFP->isValueValidForType(SVT, CFP->getValueAPF()) && 553ef12057737229452c17983faa20857dba441ef05Evan Cheng // Only do this if the target has a native EXTLOAD instruction from 554ef12057737229452c17983faa20857dba441ef05Evan Cheng // smaller type. 5550329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng TLI.isLoadExtLegal(ISD::EXTLOAD, SVT) && 556aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner TLI.ShouldShrinkFPConstant(OrigVT)) { 55783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *SType = SVT.getTypeForMVT(); 558ef12057737229452c17983faa20857dba441ef05Evan Cheng LLVMC = cast<ConstantFP>(ConstantExpr::getFPTrunc(LLVMC, SType)); 559ef12057737229452c17983faa20857dba441ef05Evan Cheng VT = SVT; 560ef12057737229452c17983faa20857dba441ef05Evan Cheng Extend = true; 561ef12057737229452c17983faa20857dba441ef05Evan Cheng } 562004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 563004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 564475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(LLVMC, TLI.getPointerTy()); 56550284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 566ef12057737229452c17983faa20857dba441ef05Evan Cheng if (Extend) 567ef12057737229452c17983faa20857dba441ef05Evan Cheng return DAG.getExtLoad(ISD::EXTLOAD, OrigVT, DAG.getEntryNode(), 5683069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman CPIdx, PseudoSourceValue::getConstantPool(), 56950284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman 0, VT, false, Alignment); 570ef12057737229452c17983faa20857dba441ef05Evan Cheng return DAG.getLoad(OrigVT, DAG.getEntryNode(), CPIdx, 57150284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, false, Alignment); 572004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng} 573004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 5746831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 575912095becac923ff614d7b07728eb345ada67765Evan Cheng/// ExpandFCOPYSIGNToBitwiseOps - Expands fcopysign to a series of bitwise 576912095becac923ff614d7b07728eb345ada67765Evan Cheng/// operations. 577912095becac923ff614d7b07728eb345ada67765Evan Chengstatic 578475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandFCOPYSIGNToBitwiseOps(SDNode *Node, MVT NVT, 579475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SelectionDAG &DAG, TargetLowering &TLI) { 58083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 58183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Node->getOperand(1).getValueType(); 5827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert((SrcVT == MVT::f32 || SrcVT == MVT::f64) && 5837f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman "fcopysign expansion only supported for f32 and f64"); 58483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcNVT = (SrcVT == MVT::f64) ? MVT::i64 : MVT::i32; 585068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 586912095becac923ff614d7b07728eb345ada67765Evan Cheng // First get the sign bit of second operand. 587475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask1 = (SrcVT == MVT::f64) 588912095becac923ff614d7b07728eb345ada67765Evan Cheng ? DAG.getConstantFP(BitsToDouble(1ULL << 63), SrcVT) 589912095becac923ff614d7b07728eb345ada67765Evan Cheng : DAG.getConstantFP(BitsToFloat(1U << 31), SrcVT); 590068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Mask1 = DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Mask1); 591475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit= DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Node->getOperand(1)); 592068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng SignBit = DAG.getNode(ISD::AND, SrcNVT, SignBit, Mask1); 593912095becac923ff614d7b07728eb345ada67765Evan Cheng // Shift right or sign-extend it if the two operands have different types. 59483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int SizeDiff = SrcNVT.getSizeInBits() - NVT.getSizeInBits(); 595912095becac923ff614d7b07728eb345ada67765Evan Cheng if (SizeDiff > 0) { 596912095becac923ff614d7b07728eb345ada67765Evan Cheng SignBit = DAG.getNode(ISD::SRL, SrcNVT, SignBit, 597912095becac923ff614d7b07728eb345ada67765Evan Cheng DAG.getConstant(SizeDiff, TLI.getShiftAmountTy())); 598912095becac923ff614d7b07728eb345ada67765Evan Cheng SignBit = DAG.getNode(ISD::TRUNCATE, NVT, SignBit); 599c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner } else if (SizeDiff < 0) { 600c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner SignBit = DAG.getNode(ISD::ZERO_EXTEND, NVT, SignBit); 601c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner SignBit = DAG.getNode(ISD::SHL, NVT, SignBit, 602c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner DAG.getConstant(-SizeDiff, TLI.getShiftAmountTy())); 603c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner } 604068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 605068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng // Clear the sign bit of first operand. 606475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask2 = (VT == MVT::f64) 607068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) 608068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); 609068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Mask2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask2); 610475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 611068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Result = DAG.getNode(ISD::AND, NVT, Result, Mask2); 612068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 613068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng // Or the value with the sign bit. 614912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = DAG.getNode(ISD::OR, NVT, Result, SignBit); 615912095becac923ff614d7b07728eb345ada67765Evan Cheng return Result; 616912095becac923ff614d7b07728eb345ada67765Evan Cheng} 617912095becac923ff614d7b07728eb345ada67765Evan Cheng 618f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio/// ExpandUnalignedStore - Expands an unaligned store to 2 half-size stores. 619f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venanciostatic 620475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG, 621475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TargetLowering &TLI) { 622475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = ST->getChain(); 623475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = ST->getBasePtr(); 624475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val = ST->getValue(); 62583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Val.getValueType(); 626907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen int Alignment = ST->getAlignment(); 627907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen int SVOffset = ST->getSrcValueOffset(); 62883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (ST->getMemoryVT().isFloatingPoint() || 62983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands ST->getMemoryVT().isVector()) { 630907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // Expand to a bitconvert of the value to the integer type of the 631907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // same size, then a (misaligned) int store. 63283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT intVT; 63383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.is128BitVector() || VT == MVT::ppcf128 || VT == MVT::f128) 6348155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen intVT = MVT::i128; 63583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (VT.is64BitVector() || VT==MVT::f64) 636907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i64; 637907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else if (VT==MVT::f32) 638907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i32; 639907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else 640cd9f1747ab72f9863924fbdf43493d9fa6256719Dale Johannesen assert(0 && "Unaligned store of unsupported type"); 641907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 642475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, intVT, Val); 643907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen return DAG.getStore(Chain, Result, Ptr, ST->getSrcValue(), 644907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen SVOffset, ST->isVolatile(), Alignment); 645907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen } 64683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(ST->getMemoryVT().isInteger() && 64783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands !ST->getMemoryVT().isVector() && 648907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen "Unaligned store of unknown type."); 649f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Get the half-size VT 65083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewStoredVT = 65183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands (MVT::SimpleValueType)(ST->getMemoryVT().getSimpleVT() - 1); 65283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int NumBits = NewStoredVT.getSizeInBits(); 653f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio int IncrementSize = NumBits / 8; 654f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 655f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Divide the stored value in two parts. 656475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmount = DAG.getConstant(NumBits, TLI.getShiftAmountTy()); 657475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = Val; 658475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = DAG.getNode(ISD::SRL, VT, Val, ShiftAmount); 659f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 660f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Store the two parts 661475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store1, Store2; 662f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Store1 = DAG.getTruncStore(Chain, TLI.isLittleEndian()?Lo:Hi, Ptr, 663f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->getSrcValue(), SVOffset, NewStoredVT, 664f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->isVolatile(), Alignment); 665f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 666f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 667dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 668f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Store2 = DAG.getTruncStore(Chain, TLI.isLittleEndian()?Hi:Lo, Ptr, 669f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->getSrcValue(), SVOffset + IncrementSize, 670f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio NewStoredVT, ST->isVolatile(), Alignment); 671f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 672f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio return DAG.getNode(ISD::TokenFactor, MVT::Other, Store1, Store2); 673f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio} 674f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 675f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio/// ExpandUnalignedLoad - Expands an unaligned load to 2 half-size loads. 676f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venanciostatic 677475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG, 678475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TargetLowering &TLI) { 679f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio int SVOffset = LD->getSrcValueOffset(); 680475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = LD->getChain(); 681475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); 68283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LD->getValueType(0); 68383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT LoadedVT = LD->getMemoryVT(); 68483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isFloatingPoint() || VT.isVector()) { 685907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // Expand to a (misaligned) integer load of the same size, 6868155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // then bitconvert to floating point or vector. 68783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT intVT; 68883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (LoadedVT.is128BitVector() || 6893c8b59c546b5d56b2cae74da55e26eb994ed36bfDale Johannesen LoadedVT == MVT::ppcf128 || LoadedVT == MVT::f128) 6908155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen intVT = MVT::i128; 69183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (LoadedVT.is64BitVector() || LoadedVT == MVT::f64) 692907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i64; 693e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner else if (LoadedVT == MVT::f32) 694907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i32; 695907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else 6968155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen assert(0 && "Unaligned load of unsupported type"); 697907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 698475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue newLoad = DAG.getLoad(intVT, Chain, Ptr, LD->getSrcValue(), 699907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen SVOffset, LD->isVolatile(), 700907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen LD->getAlignment()); 701475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, LoadedVT, newLoad); 70283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isFloatingPoint() && LoadedVT != VT) 703907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Result = DAG.getNode(ISD::FP_EXTEND, VT, Result); 704907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 705475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Result, Chain }; 7064bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands return DAG.getMergeValues(Ops, 2); 707907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen } 70883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(LoadedVT.isInteger() && !LoadedVT.isVector() && 709e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner "Unaligned load of unsupported type."); 710e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner 7118155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // Compute the new VT that is half the size of the old one. This is an 7128155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // integer MVT. 71383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumBits = LoadedVT.getSizeInBits(); 71483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewLoadedVT; 71583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewLoadedVT = MVT::getIntegerVT(NumBits/2); 716e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner NumBits >>= 1; 717e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner 718e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner unsigned Alignment = LD->getAlignment(); 719e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner unsigned IncrementSize = NumBits / 8; 720f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ISD::LoadExtType HiExtType = LD->getExtensionType(); 721f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 722f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If the original load is NON_EXTLOAD, the hi part load must be ZEXTLOAD. 723f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (HiExtType == ISD::NON_EXTLOAD) 724f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio HiExtType = ISD::ZEXTLOAD; 725f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 726f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Load the value in two parts 727475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 728f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (TLI.isLittleEndian()) { 729f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Lo = DAG.getExtLoad(ISD::ZEXTLOAD, VT, Chain, Ptr, LD->getSrcValue(), 730f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset, NewLoadedVT, LD->isVolatile(), Alignment); 731f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 732f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 733f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi = DAG.getExtLoad(HiExtType, VT, Chain, Ptr, LD->getSrcValue(), 734f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset + IncrementSize, NewLoadedVT, LD->isVolatile(), 735dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands MinAlign(Alignment, IncrementSize)); 736f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } else { 737f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi = DAG.getExtLoad(HiExtType, VT, Chain, Ptr, LD->getSrcValue(), SVOffset, 738f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio NewLoadedVT,LD->isVolatile(), Alignment); 739f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 740f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 741f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Lo = DAG.getExtLoad(ISD::ZEXTLOAD, VT, Chain, Ptr, LD->getSrcValue(), 742f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset + IncrementSize, NewLoadedVT, LD->isVolatile(), 743dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands MinAlign(Alignment, IncrementSize)); 744f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 745f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 746f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // aggregate the two parts 747475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmount = DAG.getConstant(NumBits, TLI.getShiftAmountTy()); 748475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::SHL, VT, Hi, ShiftAmount); 749f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Result = DAG.getNode(ISD::OR, VT, Result, Lo); 750f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 751475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 752f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi.getValue(1)); 753f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 754475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Result, TF }; 7554bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands return DAG.getMergeValues(Ops, 2); 756f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio} 757912095becac923ff614d7b07728eb345ada67765Evan Cheng 758826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// UnrollVectorOp - We know that the given vector has a legal type, however 759826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// the operation it performs is not legal and is an operation that we have 760826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// no way of lowering. "Unroll" the vector, splitting out the scalars and 761826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// operating on each element individually. 762475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::UnrollVectorOp(SDValue Op) { 76383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 764826695281344e3a4c4d44d73dd155107aafd689bDan Gohman assert(isTypeLegal(VT) && 765826695281344e3a4c4d44d73dd155107aafd689bDan Gohman "Caller should expand or promote operands that are not legal!"); 766ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Op.getNode()->getNumValues() == 1 && 767826695281344e3a4c4d44d73dd155107aafd689bDan Gohman "Can't unroll a vector with multiple results!"); 76883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NE = VT.getVectorNumElements(); 76983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 770826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 771475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Scalars; 772475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 4> Operands(Op.getNumOperands()); 773826695281344e3a4c4d44d73dd155107aafd689bDan Gohman for (unsigned i = 0; i != NE; ++i) { 774826695281344e3a4c4d44d73dd155107aafd689bDan Gohman for (unsigned j = 0; j != Op.getNumOperands(); ++j) { 775475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Operand = Op.getOperand(j); 77683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OperandVT = Operand.getValueType(); 77783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (OperandVT.isVector()) { 778826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // A vector operand; extract a single element. 77983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OperandEltVT = OperandVT.getVectorElementType(); 780826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operands[j] = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, 781826695281344e3a4c4d44d73dd155107aafd689bDan Gohman OperandEltVT, 782826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operand, 783826695281344e3a4c4d44d73dd155107aafd689bDan Gohman DAG.getConstant(i, MVT::i32)); 784826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } else { 785826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // A scalar operand; just use it as is. 786826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operands[j] = Operand; 787826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 788826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 789826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Scalars.push_back(DAG.getNode(Op.getOpcode(), EltVT, 790826695281344e3a4c4d44d73dd155107aafd689bDan Gohman &Operands[0], Operands.size())); 791826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 792826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 793826695281344e3a4c4d44d73dd155107aafd689bDan Gohman return DAG.getNode(ISD::BUILD_VECTOR, VT, &Scalars[0], Scalars.size()); 794826695281344e3a4c4d44d73dd155107aafd689bDan Gohman} 795826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 796007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands/// GetFPLibCall - Return the right libcall for the given floating point type. 79783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sandsstatic RTLIB::Libcall GetFPLibCall(MVT VT, 798007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F32, 799007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F64, 800007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F80, 801007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_PPCF128) { 802007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands return 803007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f32 ? Call_F32 : 804007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f64 ? Call_F64 : 805007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f80 ? Call_F80 : 806007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::ppcf128 ? Call_PPCF128 : 807007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::UNKNOWN_LIBCALL; 808007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands} 809007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands 8106867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// PerformInsertVectorEltInMemory - Some target cannot handle a variable 8116867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// insertion index for the INSERT_VECTOR_ELT instruction. In this case, it 8126867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// is necessary to spill the vector being inserted into to memory, perform 8136867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// the insert there, and then read the result back. 814475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize:: 815475871a144eb604ddaf37503397ba0941442e5fbDan GohmanPerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, SDValue Idx) { 816475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1 = Vec; 817475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = Val; 818475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = Idx; 8196867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8206867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // If the target doesn't support this, we have to spill the input vector 8216867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // to a temporary stack slot, update the element, then reload it. This is 8226867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // badness. We could also load the value into a vector register (either 8236867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // with a "move to register" or "extload into register" instruction, then 8246867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // permute it into place, if the idx is a constant and if the idx is 8256867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // supported by the target. 82683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Tmp1.getValueType(); 82783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 82883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT IdxVT = Tmp3.getValueType(); 82983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 830475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(VT); 8316867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 832ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex(); 8336867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8346867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Store the vector. 835475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, 8360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang PseudoSourceValue::getFixedStack(SPFI), 0); 8376867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8386867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Truncate or zero extend offset to target pointer type. 8398e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands unsigned CastOpc = IdxVT.bitsGT(PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND; 8406867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Tmp3 = DAG.getNode(CastOpc, PtrVT, Tmp3); 8416867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Add the offset to the index. 84283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned EltSize = EltVT.getSizeInBits()/8; 8436867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Tmp3 = DAG.getNode(ISD::MUL, IdxVT, Tmp3,DAG.getConstant(EltSize, IdxVT)); 844475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr2 = DAG.getNode(ISD::ADD, IdxVT, Tmp3, StackPtr); 8456867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Store the scalar value. 8466867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Ch = DAG.getTruncStore(Ch, Tmp2, StackPtr2, 847a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, EltVT); 8486867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Load the updated vector. 849a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman return DAG.getLoad(VT, Ch, StackPtr, 850a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 8516867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman} 8526867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 853a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// LegalizeOp - We know that the specified value has a legal type, and 854a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// that its operands are legal. Now ensure that the operation itself 855a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// is legal, recursively ensuring that the operands' operations remain 856a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// legal. 857475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { 85809ec1b058331aadb29a348091611d23892b5c492Chris Lattner if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes. 85909ec1b058331aadb29a348091611d23892b5c492Chris Lattner return Op; 86009ec1b058331aadb29a348091611d23892b5c492Chris Lattner 861c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner assert(isTypeLegal(Op.getValueType()) && 862e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner "Caller should expand or promote operands that are not legal!"); 863ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 864e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner 8653e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // If this operation defines any values that cannot be represented in a 866e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner // register on this target, make sure to expand or promote them. 86745982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner if (Node->getNumValues() > 1) { 86845982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 869c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (getTypeAction(Node->getValueType(i)) != Legal) { 870c7029805ef35ce9805931067b841e6af11db382eChris Lattner HandleOp(Op.getValue(i)); 8713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(LegalizedNodes.count(Op) && 872c7029805ef35ce9805931067b841e6af11db382eChris Lattner "Handling didn't add legal operands!"); 87303c8546ec57523970874917854a2fb77b1ff598eChris Lattner return LegalizedNodes[Op]; 8743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 8753e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 8763e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 87745982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // Note that LegalizeOp may be reentered even from single-use nodes, which 87845982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // means that we always must cache transformed nodes. 879475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = LegalizedNodes.find(Op); 880e1bd822ddb0099406d9f280535461033dfeeb190Chris Lattner if (I != LegalizedNodes.end()) return I->second; 8813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 882475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Tmp4; 883475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = Op; 884456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner bool isCustom = false; 885456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 8863e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getOpcode()) { 887948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::FrameIndex: 888948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::EntryToken: 889948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::Register: 890948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::BasicBlock: 891948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetFrameIndex: 89237efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::TargetJumpTable: 893948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetConstant: 8943181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner case ISD::TargetConstantFP: 895948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetConstantPool: 896948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetGlobalAddress: 897b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio case ISD::TargetGlobalTLSAddress: 898056292fd738924f3f7703725d8f630983794b5a5Bill Wendling case ISD::TargetExternalSymbol: 899948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::VALUETYPE: 900948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::SRCVALUE: 90169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case ISD::MEMOPERAND: 902948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::CONDCODE: 903276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands case ISD::ARG_FLAGS: 904948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner // Primitives must all be legal. 905a7c97a7f5b82778ca5abfc3791c6b7f96b82a5faDuncan Sands assert(TLI.isOperationLegal(Node->getOpcode(), Node->getValueType(0)) && 906948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner "This must be legal!"); 907948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner break; 9083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner default: 909d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner if (Node->getOpcode() >= ISD::BUILTIN_OP_END) { 910d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // If this is a target node, legalize it by legalizing the operands then 911d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // passing it through. 912475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 913c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 914d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 915c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner 916f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result.getValue(0), &Ops[0], Ops.size()); 917d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner 918d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 919d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner AddLegalizedOperand(Op.getValue(i), Result.getValue(i)); 92099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 921d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner } 922d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // Otherwise this is an unhandled builtin node. splat. 923e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 92439833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 925e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 9263e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(0 && "Do not know how to legalize this operator!"); 9273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner abort(); 9280d3b67809ccab229a03db8c1bede852fb89eb081Lauro Ramos Venancio case ISD::GLOBAL_OFFSET_TABLE: 9293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::GlobalAddress: 930b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio case ISD::GlobalTLSAddress: 931056292fd738924f3f7703725d8f630983794b5a5Bill Wendling case ISD::ExternalSymbol: 93237efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::ConstantPool: 93337efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::JumpTable: // Nothing to do. 9340c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 9350c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner default: assert(0 && "This action is not supported yet!"); 936948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case TargetLowering::Custom: 937948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner Tmp1 = TLI.LowerOperation(Op, DAG); 938ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 939948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner // FALLTHROUGH if the target doesn't want to lower this op after all. 9400c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner case TargetLowering::Legal: 9410c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner break; 9420c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner } 9433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 944bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman case ISD::FRAMEADDR: 945bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman case ISD::RETURNADDR: 946bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // The only option for these nodes is to custom lower them. If the target 947bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // does not custom lower them, then return zero. 948bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Tmp1 = TLI.LowerOperation(Op, DAG); 949ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) 950bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Result = Tmp1; 951bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman else 952bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Result = DAG.getConstant(0, TLI.getPointerTy()); 953bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman break; 954055c5449a4046a5e1a5210d2f91aee4e3901cccfAnton Korobeynikov case ISD::FRAME_TO_ARGS_OFFSET: { 95583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 956066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 957066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov default: assert(0 && "This action is not supported yet!"); 958066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov case TargetLowering::Custom: 959066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 960ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 961066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov // Fall Thru 962066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov case TargetLowering::Legal: 963066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov Result = DAG.getConstant(0, VT); 964066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov break; 965066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov } 966055c5449a4046a5e1a5210d2f91aee4e3901cccfAnton Korobeynikov } 967066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov break; 9682bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case ISD::EXCEPTIONADDR: { 9692bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); 97083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 9712bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 9722bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey default: assert(0 && "This action is not supported yet!"); 9732bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case TargetLowering::Expand: { 9748782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey unsigned Reg = TLI.getExceptionAddressRegister(); 975b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Result = DAG.getCopyFromReg(Tmp1, Reg, VT); 9762bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 9772bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey break; 9782bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case TargetLowering::Custom: 9792bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey Result = TLI.LowerOperation(Op, DAG); 980ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 9812bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey // Fall Thru 982eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner case TargetLowering::Legal: { 983475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { DAG.getConstant(0, VT), Tmp1 }; 9844bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands Result = DAG.getMergeValues(Ops, 2); 9858782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey break; 9868782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 9878782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 988eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner } 989ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 990b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 991ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 992b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands "Cannot return more than two values!"); 993b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 994b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // Since we produced two values, make sure to remember that we 995b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // legalized both of them. 996b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp1 = LegalizeOp(Result); 997b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); 998b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(0), Tmp1); 999b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(1), Tmp2); 100099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 10018782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case ISD::EHSELECTION: { 10028782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); 10038782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Tmp2 = LegalizeOp(Node->getOperand(1)); 100483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 10058782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 10068782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey default: assert(0 && "This action is not supported yet!"); 10078782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case TargetLowering::Expand: { 10088782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey unsigned Reg = TLI.getExceptionSelectorRegister(); 1009b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Result = DAG.getCopyFromReg(Tmp2, Reg, VT); 10108782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 10118782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey break; 10128782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case TargetLowering::Custom: 10138782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Result = TLI.LowerOperation(Op, DAG); 1014ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10158782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey // Fall Thru 1016eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner case TargetLowering::Legal: { 1017475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { DAG.getConstant(0, VT), Tmp2 }; 10184bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands Result = DAG.getMergeValues(Ops, 2); 10192bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey break; 10202bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 10212bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 1022eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner } 1023ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 1024b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1025ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 1026b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands "Cannot return more than two values!"); 1027b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1028b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // Since we produced two values, make sure to remember that we 1029b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // legalized both of them. 1030b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp1 = LegalizeOp(Result); 1031b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); 1032b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(0), Tmp1); 1033b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(1), Tmp2); 103499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 10356d4b711e7f2e27d94d3c49dc9e7575dbe0f242e0Nick Lewycky case ISD::EH_RETURN: { 103683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 10372365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // The only "good" option for this node is to custom lower it. 10382365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 10392365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov default: assert(0 && "This action is not supported at all!"); 10402365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov case TargetLowering::Custom: 10412365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 1042ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10432365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // Fall Thru 10442365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov case TargetLowering::Legal: 10452365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // Target does not know, how to lower this, lower to noop 10462365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov Result = LegalizeOp(Node->getOperand(0)); 10472365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov break; 10482365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov } 10496d4b711e7f2e27d94d3c49dc9e7575dbe0f242e0Nick Lewycky } 10502365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov break; 105108951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner case ISD::AssertSext: 105208951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner case ISD::AssertZext: 105308951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1054c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 105508951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner break; 1056308575be66ec3870d27b19df044fda18448feb41Chris Lattner case ISD::MERGE_VALUES: 1057c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner // Legalize eliminates MERGE_VALUES nodes. 105899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif Result = Node->getOperand(Op.getResNo()); 1059456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 106069a52155d2eff066b49dbac385113002fd9dba14Chris Lattner case ISD::CopyFromReg: 106169a52155d2eff066b49dbac385113002fd9dba14Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 10627310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner Result = Op.getValue(0); 1063f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner if (Node->getNumValues() == 2) { 1064c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 10657310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } else { 1066f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner assert(Node->getNumValues() == 3 && "Invalid copyfromreg!"); 1067c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Node->getNumOperands() == 3) { 1068f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(2)); 1069c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1),Tmp2); 1070c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else { 1071c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 1072c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } 10737310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner AddLegalizedOperand(Op.getValue(2), Result.getValue(2)); 10747310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 107513c184de29c09294ed63b01ac43e1b46c049278eChris Lattner // Since CopyFromReg produces two values, make sure to remember that we 107613c184de29c09294ed63b01ac43e1b46c049278eChris Lattner // legalized both of them. 107713c184de29c09294ed63b01ac43e1b46c049278eChris Lattner AddLegalizedOperand(Op.getValue(0), Result); 107813c184de29c09294ed63b01ac43e1b46c049278eChris Lattner AddLegalizedOperand(Op.getValue(1), Result.getValue(1)); 107999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1080fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: { 108183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 1082fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman switch (TLI.getOperationAction(ISD::UNDEF, VT)) { 1083ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman default: assert(0 && "This action is not supported yet!"); 1084ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman case TargetLowering::Expand: 108583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isInteger()) 1086fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Result = DAG.getConstant(0, VT); 108783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (VT.isFloatingPoint()) 108883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Result = DAG.getConstantFP(APFloat(APInt(VT.getSizeInBits(), 0)), 1089f41db2136fe50e1a92aabfcb3ba1ec1f70f5f0d5Dale Johannesen VT); 1090fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman else 1091fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman assert(0 && "Unknown value type!"); 1092fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1093ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman case TargetLowering::Legal: 1094fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1095fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman } 1096fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1097fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman } 1098d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner 109948b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_W_CHAIN: 110048b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_WO_CHAIN: 110148b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_VOID: { 1102475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 1103d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 1104d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 1105f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 110610d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner 110710d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner // Allow the target to custom lower its intrinsics if it wants to. 110848b61a729df6576c8833a83893d4086bddff69a5Chris Lattner if (TLI.getOperationAction(Node->getOpcode(), MVT::Other) == 110910d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner TargetLowering::Custom) { 111010d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1111ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) Result = Tmp3; 111213fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner } 111313fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 1114ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 111513fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 111613fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // Must have return value and chain result. 1117ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 111813fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner "Cannot return more than two values!"); 111913fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 112013fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // Since loads produce two values, make sure to remember that we 112113fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // legalized both of them. 1122475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1123475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 112499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1125d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner } 112636ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 11277f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman case ISD::DBG_STOPPOINT: 11287f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman assert(Node->getNumOperands() == 1 && "Invalid DBG_STOPPOINT node!"); 112936ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the input chain. 113036ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 11317f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman switch (TLI.getOperationAction(ISD::DBG_STOPPOINT, MVT::Other)) { 113236ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner case TargetLowering::Promote: 113336ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner default: assert(0 && "This action is not supported yet!"); 1134f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey case TargetLowering::Expand: { 113544c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey MachineModuleInfo *MMI = DAG.getMachineModuleInfo(); 1136abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey bool useDEBUG_LOC = TLI.isOperationLegal(ISD::DEBUG_LOC, MVT::Other); 11374406604047423576e36657c7ede266ca42e79642Dan Gohman bool useLABEL = TLI.isOperationLegal(ISD::DBG_LABEL, MVT::Other); 1138abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 11397f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman const DbgStopPointSDNode *DSP = cast<DbgStopPointSDNode>(Node); 114044c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey if (MMI && (useDEBUG_LOC || useLABEL)) { 11417f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman const CompileUnitDesc *CompileUnit = DSP->getCompileUnit(); 11427f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned SrcFile = MMI->RecordSource(CompileUnit); 1143abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 11447f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned Line = DSP->getLine(); 11457f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned Col = DSP->getColumn(); 1146abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 1147abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey if (useDEBUG_LOC) { 1148475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Tmp1, DAG.getConstant(Line, MVT::i32), 114971e8685633e7938ee752004cceedccbd0d850527Evan Cheng DAG.getConstant(Col, MVT::i32), 115071e8685633e7938ee752004cceedccbd0d850527Evan Cheng DAG.getConstant(SrcFile, MVT::i32) }; 115171e8685633e7938ee752004cceedccbd0d850527Evan Cheng Result = DAG.getNode(ISD::DEBUG_LOC, MVT::Other, Ops, 4); 1152abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } else { 1153a647c92ec2b3c91e1e6de25cc5c7860912c7626bEvan Cheng unsigned ID = MMI->RecordSourceLine(Line, Col, SrcFile); 11544406604047423576e36657c7ede266ca42e79642Dan Gohman Result = DAG.getLabel(ISD::DBG_LABEL, Tmp1, ID); 1155abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } 1156e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey } else { 1157e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey Result = Tmp1; // chain 1158e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey } 115936ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 1160e773673d8e0094bbff2f9ab2f2da9ecb5c4d0909Chris Lattner } 116171e8685633e7938ee752004cceedccbd0d850527Evan Cheng case TargetLowering::Legal: { 116271e8685633e7938ee752004cceedccbd0d850527Evan Cheng LegalizeAction Action = getTypeAction(Node->getOperand(1).getValueType()); 116371e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal && Tmp1 == Node->getOperand(0)) 116471e8685633e7938ee752004cceedccbd0d850527Evan Cheng break; 116571e8685633e7938ee752004cceedccbd0d850527Evan Cheng 1166475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 116771e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Tmp1); 116871e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal) { 116971e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(1)); // line # must be legal. 117071e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(2)); // col # must be legal. 117171e8685633e7938ee752004cceedccbd0d850527Evan Cheng } else { 117271e8685633e7938ee752004cceedccbd0d850527Evan Cheng // Otherwise promote them. 117371e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(PromoteOp(Node->getOperand(1))); 117471e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(PromoteOp(Node->getOperand(2))); 117536ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner } 117671e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(3)); // filename must be legal. 117771e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(4)); // working dir # must be legal. 117871e8685633e7938ee752004cceedccbd0d850527Evan Cheng Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 117936ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 118036ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner } 118171e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 118236ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 1183a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 1184a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng case ISD::DECLARE: 1185a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng assert(Node->getNumOperands() == 3 && "Invalid DECLARE node!"); 1186a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng switch (TLI.getOperationAction(ISD::DECLARE, MVT::Other)) { 1187a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng default: assert(0 && "This action is not supported yet!"); 1188a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng case TargetLowering::Legal: 1189a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1190a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the address. 1191a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the variable. 1192a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1193a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng break; 1194e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner case TargetLowering::Expand: 1195e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner Result = LegalizeOp(Node->getOperand(0)); 1196e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner break; 1197a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng } 1198a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng break; 1199f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey 1200f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey case ISD::DEBUG_LOC: 1201abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey assert(Node->getNumOperands() == 4 && "Invalid DEBUG_LOC node!"); 1202f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey switch (TLI.getOperationAction(ISD::DEBUG_LOC, MVT::Other)) { 1203f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey default: assert(0 && "This action is not supported yet!"); 120471e8685633e7938ee752004cceedccbd0d850527Evan Cheng case TargetLowering::Legal: { 120571e8685633e7938ee752004cceedccbd0d850527Evan Cheng LegalizeAction Action = getTypeAction(Node->getOperand(1).getValueType()); 1206abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 120771e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal && Tmp1 == Node->getOperand(0)) 120871e8685633e7938ee752004cceedccbd0d850527Evan Cheng break; 120971e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal) { 121071e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp2 = Node->getOperand(1); 121171e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp3 = Node->getOperand(2); 121271e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp4 = Node->getOperand(3); 121371e8685633e7938ee752004cceedccbd0d850527Evan Cheng } else { 121471e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the line #. 121571e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the col #. 121671e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize the source file id. 121771e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 1218c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4); 1219abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey break; 1220abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } 122171e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 1222abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey break; 1223abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 12244406604047423576e36657c7ede266ca42e79642Dan Gohman case ISD::DBG_LABEL: 12254406604047423576e36657c7ede266ca42e79642Dan Gohman case ISD::EH_LABEL: 12264406604047423576e36657c7ede266ca42e79642Dan Gohman assert(Node->getNumOperands() == 1 && "Invalid LABEL node!"); 12274406604047423576e36657c7ede266ca42e79642Dan Gohman switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { 1228abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey default: assert(0 && "This action is not supported yet!"); 1229abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey case TargetLowering::Legal: 1230abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 12314406604047423576e36657c7ede266ca42e79642Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 1232f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey break; 1233a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner case TargetLowering::Expand: 1234a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner Result = LegalizeOp(Node->getOperand(0)); 1235a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner break; 1236f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey } 1237551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman break; 123836ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 123927b7db549e4c5bff4579d209304de5628513edebEvan Cheng case ISD::PREFETCH: 124027b7db549e4c5bff4579d209304de5628513edebEvan Cheng assert(Node->getNumOperands() == 4 && "Invalid Prefetch node!"); 124127b7db549e4c5bff4579d209304de5628513edebEvan Cheng switch (TLI.getOperationAction(ISD::PREFETCH, MVT::Other)) { 124227b7db549e4c5bff4579d209304de5628513edebEvan Cheng default: assert(0 && "This action is not supported yet!"); 124327b7db549e4c5bff4579d209304de5628513edebEvan Cheng case TargetLowering::Legal: 124427b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 124527b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the address. 124627b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the rw specifier. 124727b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize locality specifier. 124827b7db549e4c5bff4579d209304de5628513edebEvan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4); 124927b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 125027b7db549e4c5bff4579d209304de5628513edebEvan Cheng case TargetLowering::Expand: 125127b7db549e4c5bff4579d209304de5628513edebEvan Cheng // It's a noop. 125227b7db549e4c5bff4579d209304de5628513edebEvan Cheng Result = LegalizeOp(Node->getOperand(0)); 125327b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 125427b7db549e4c5bff4579d209304de5628513edebEvan Cheng } 125527b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 125627b7db549e4c5bff4579d209304de5628513edebEvan Cheng 125722c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth case ISD::MEMBARRIER: { 125822c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth assert(Node->getNumOperands() == 6 && "Invalid MemBarrier node!"); 1259d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth switch (TLI.getOperationAction(ISD::MEMBARRIER, MVT::Other)) { 1260d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth default: assert(0 && "This action is not supported yet!"); 1261d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth case TargetLowering::Legal: { 1262475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[6]; 1263d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Ops[0] = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1264e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands for (int x = 1; x < 6; ++x) { 1265e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands Ops[x] = Node->getOperand(x); 1266e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands if (!isTypeLegal(Ops[x].getValueType())) 1267e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands Ops[x] = PromoteOp(Ops[x]); 1268e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands } 1269d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Result = DAG.UpdateNodeOperands(Result, &Ops[0], 6); 1270d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth break; 1271d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth } 1272d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth case TargetLowering::Expand: 1273d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth //There is no libgcc call for this op 1274d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Result = Node->getOperand(0); // Noop 1275d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth break; 1276d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth } 127722c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth break; 127822c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth } 127922c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth 1280e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_8: 1281e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_16: 1282e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_32: 1283e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 128463307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang unsigned int num_operands = 4; 128563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!"); 1286475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[4]; 128763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang for (unsigned int x = 0; x < num_operands; ++x) 128863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Ops[x] = LegalizeOp(Node->getOperand(x)); 128963307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = DAG.UpdateNodeOperands(Result, &Ops[0], num_operands); 129063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang 129163307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 129263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang default: assert(0 && "This action is not supported yet!"); 129363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang case TargetLowering::Custom: 129463307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = TLI.LowerOperation(Result, DAG); 129563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang break; 129663307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang case TargetLowering::Legal: 129763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang break; 129863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang } 1299475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1300475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 130199a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1302126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands } 1303e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_8: 1304e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_8: 1305e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_8: 1306e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_8: 1307e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_8: 1308e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_8: 1309e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_8: 1310e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_8: 1311e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_8: 1312e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_8: 1313e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_8: 1314e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_16: 1315e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_16: 1316e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_16: 1317e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_16: 1318e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_16: 1319e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_16: 1320e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_16: 1321e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_16: 1322e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_16: 1323e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_16: 1324e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_16: 1325e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_32: 1326e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_32: 1327e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_32: 1328e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_32: 1329e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_32: 1330e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_32: 1331e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_32: 1332e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_32: 1333e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_32: 1334e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_32: 1335e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_32: 1336e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 1337e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 1338e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 1339e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 1340e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 1341e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 1342e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_64: 1343e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_64: 1344e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_64: 1345e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_64: 1346e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_64: { 134763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang unsigned int num_operands = 3; 134863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!"); 1349475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[3]; 135063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang for (unsigned int x = 0; x < num_operands; ++x) 135126ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth Ops[x] = LegalizeOp(Node->getOperand(x)); 135263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = DAG.UpdateNodeOperands(Result, &Ops[0], num_operands); 1353126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 135426ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 1355ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth default: assert(0 && "This action is not supported yet!"); 135626ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth case TargetLowering::Custom: 135726ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth Result = TLI.LowerOperation(Result, DAG); 135826ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth break; 135926ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth case TargetLowering::Legal: 1360ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 1361ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 1362475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1363475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 136499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1365126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands } 1366c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel case ISD::Constant: { 1367c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel ConstantSDNode *CN = cast<ConstantSDNode>(Node); 1368c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel unsigned opAction = 1369c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel TLI.getOperationAction(ISD::Constant, CN->getValueType(0)); 1370c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel 13713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // We know we don't need to expand constants here, constants only have one 13723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // value and we check that it is fine above. 13733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1374c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel if (opAction == TargetLowering::Custom) { 1375c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 1376ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) 1377c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel Result = Tmp1; 1378c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel } 13793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 1380c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel } 13813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ConstantFP: { 13823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // Spill FP immediates to the constant pool if the target cannot directly 13833e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // codegen them. Targets often have some immediate values that can be 13843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // efficiently generated into an FP register without a load. We explicitly 13853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // leave these constants as ConstantFP nodes for the target to deal with. 13863e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node); 13873e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 13883181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner switch (TLI.getOperationAction(ISD::ConstantFP, CFP->getValueType(0))) { 13893181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner default: assert(0 && "This action is not supported yet!"); 1390e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman case TargetLowering::Legal: 1391e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 13923181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner case TargetLowering::Custom: 13933181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1394ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 13953181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner Result = Tmp3; 13963181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner break; 13973181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner } 13983181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner // FALLTHROUGH 1399e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman case TargetLowering::Expand: { 1400e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman // Check to see if this FP immediate is already legal. 1401e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman bool isLegal = false; 1402e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman for (TargetLowering::legal_fpimm_iterator I = TLI.legal_fpimm_begin(), 1403e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman E = TLI.legal_fpimm_end(); I != E; ++I) { 1404e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman if (CFP->isExactlyValue(*I)) { 1405e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman isLegal = true; 1406e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 1407e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 1408e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 1409e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman // If this is a legal constant, turn it into a TargetConstantFP node. 1410e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman if (isLegal) 1411e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 1412279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng Result = ExpandConstantFP(CFP, true, DAG, TLI); 14133e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1414e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 14153e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 14163e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1417040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner case ISD::TokenFactor: 1418040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner if (Node->getNumOperands() == 2) { 1419c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1420c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1421c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 1422c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else if (Node->getNumOperands() == 3) { 1423c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1424c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1425c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); 1426c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1427040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner } else { 1428475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 1429040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner // Legalize the operands. 1430c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 1431c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 1432f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 1433a385e9b20fa7d37d3842ce15afd412f617d83a27Chris Lattner } 1434a385e9b20fa7d37d3842ce15afd412f617d83a27Chris Lattner break; 1435fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner 1436fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner case ISD::FORMAL_ARGUMENTS: 1437f4ec817299a4187044a6162c2f520772b3ad69a0Chris Lattner case ISD::CALL: 1438fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner // The only option for this is to custom lower it. 1439b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp3 = TLI.LowerOperation(Result.getValue(0), DAG); 1440ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp3.getNode() && "Target didn't custom lower this node!"); 14410ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // A call within a calling sequence must be legalized to something 14420ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // other than the normal CALLSEQ_END. Violating this gets Legalize 14430ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // into an infinite loop. 14440ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen assert ((!IsLegalizingCall || 14450ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen Node->getOpcode() != ISD::CALL || 1446ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp3.getNode()->getOpcode() != ISD::CALLSEQ_END) && 14470ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen "Nested CALLSEQ_START..CALLSEQ_END not supported."); 14480f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 14490f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // The number of incoming and outgoing values should match; unless the final 14500f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // outgoing value is a flag. 1451ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert((Tmp3.getNode()->getNumValues() == Result.getNode()->getNumValues() || 1452ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif (Tmp3.getNode()->getNumValues() == Result.getNode()->getNumValues() + 1 && 1453ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp3.getNode()->getValueType(Tmp3.getNode()->getNumValues() - 1) == 14540f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling MVT::Flag)) && 1455b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner "Lowering call/formal_arguments produced unexpected # results!"); 1456e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner 1457f4ec817299a4187044a6162c2f520772b3ad69a0Chris Lattner // Since CALL/FORMAL_ARGUMENTS nodes produce multiple values, make sure to 1458e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner // remember that we legalized all of them, so it doesn't get relegalized. 1459ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif for (unsigned i = 0, e = Tmp3.getNode()->getNumValues(); i != e; ++i) { 1460ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()->getValueType(i) == MVT::Flag) 14610f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling continue; 1462b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = LegalizeOp(Tmp3.getValue(i)); 146399a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif if (Op.getResNo() == i) 1464e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner Tmp2 = Tmp1; 1465475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Tmp1); 1466e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner } 1467e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner return Tmp2; 1468557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb case ISD::EXTRACT_SUBREG: { 1469557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp1 = LegalizeOp(Node->getOperand(0)); 1470557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb ConstantSDNode *idx = dyn_cast<ConstantSDNode>(Node->getOperand(1)); 1471557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb assert(idx && "Operand must be a constant"); 1472f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Tmp2 = DAG.getTargetConstant(idx->getAPIntValue(), idx->getValueType(0)); 1473557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 1474557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb } 1475557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb break; 1476557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb case ISD::INSERT_SUBREG: { 1477557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp1 = LegalizeOp(Node->getOperand(0)); 1478557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp2 = LegalizeOp(Node->getOperand(1)); 1479557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb ConstantSDNode *idx = dyn_cast<ConstantSDNode>(Node->getOperand(2)); 1480557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb assert(idx && "Operand must be a constant"); 1481f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Tmp3 = DAG.getTargetConstant(idx->getAPIntValue(), idx->getValueType(0)); 1482557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1483557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb } 1484557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb break; 1485b2827b0901162169bb2692b77a839c9767849134Chris Lattner case ISD::BUILD_VECTOR: 1486b2827b0901162169bb2692b77a839c9767849134Chris Lattner switch (TLI.getOperationAction(ISD::BUILD_VECTOR, Node->getValueType(0))) { 14872332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: assert(0 && "This action is not supported yet!"); 14882332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Custom: 14892332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1490ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 14912332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Result = Tmp3; 14922332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 14932332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 14942332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner // FALLTHROUGH 1495ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case TargetLowering::Expand: 1496ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandBUILD_VECTOR(Result.getNode()); 1497b2827b0901162169bb2692b77a839c9767849134Chris Lattner break; 14982332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 14992332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15002332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case ISD::INSERT_VECTOR_ELT: 15012332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // InVec 15022332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // InEltNo 15030325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15040325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // The type of the value to insert may not be legal, even though the vector 15050325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // type is legal. Legalize/Promote accordingly. We do not handle Expand 15060325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // here. 15070325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 15080325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman default: assert(0 && "Cannot expand insert element operand"); 15090325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman case Legal: Tmp2 = LegalizeOp(Node->getOperand(1)); break; 15100325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); break; 15110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Expand: 15120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // FIXME: An alternative would be to check to see if the target is not 15130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // going to custom lower this operation, we could bitcast to half elt 15140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // width and perform two inserts at that width, if that is legal. 15150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp2 = Node->getOperand(1); 15160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 15170325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman } 15182332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 15192332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner 15202332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner switch (TLI.getOperationAction(ISD::INSERT_VECTOR_ELT, 15212332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Node->getValueType(0))) { 15222332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: assert(0 && "This action is not supported yet!"); 15232332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Legal: 15242332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15252332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Custom: 15262281a991414f681c482157265461b29a923ef620Nate Begeman Tmp4 = TLI.LowerOperation(Result, DAG); 1527ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) { 15282281a991414f681c482157265461b29a923ef620Nate Begeman Result = Tmp4; 15292332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15302332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15312332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner // FALLTHROUGH 15320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 15330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Fall thru for vector case 15342332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Expand: { 15358d5a894501b7546dee94df03118b90126c420820Chris Lattner // If the insert index is a constant, codegen this as a scalar_to_vector, 15368d5a894501b7546dee94df03118b90126c420820Chris Lattner // then a shuffle that inserts it into the right position in the vector. 15378d5a894501b7546dee94df03118b90126c420820Chris Lattner if (ConstantSDNode *InsertPos = dyn_cast<ConstantSDNode>(Tmp3)) { 15380325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // SCALAR_TO_VECTOR requires that the type of the value being inserted 15390325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // match the element type of the vector being created. 15400325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman if (Tmp2.getValueType() == 154183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Op.getValueType().getVectorElementType()) { 1542475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScVec = DAG.getNode(ISD::SCALAR_TO_VECTOR, 15430325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Tmp1.getValueType(), Tmp2); 15440325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 154583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElts = Tmp1.getValueType().getVectorNumElements(); 154683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShufMaskVT = 154783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT::getIntVectorWithNumElements(NumElts); 154883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShufMaskEltVT = ShufMaskVT.getVectorElementType(); 15490325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15500325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // We generate a shuffle of InVec and ScVec, so the shuffle mask 15510325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // should be 0,1,2,3,4,5... with the appropriate element replaced with 15520325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // elt 0 of the RHS. 1553475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> ShufOps; 15540325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman for (unsigned i = 0; i != NumElts; ++i) { 1555f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (i != InsertPos->getZExtValue()) 15560325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman ShufOps.push_back(DAG.getConstant(i, ShufMaskEltVT)); 15570325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman else 15580325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman ShufOps.push_back(DAG.getConstant(NumElts, ShufMaskEltVT)); 15590325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman } 1560475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShufMask = DAG.getNode(ISD::BUILD_VECTOR, ShufMaskVT, 15610325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman &ShufOps[0], ShufOps.size()); 15620325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15630325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Result = DAG.getNode(ISD::VECTOR_SHUFFLE, Tmp1.getValueType(), 15640325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Tmp1, ScVec, ShufMask); 15650325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Result = LegalizeOp(Result); 15660325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman break; 15678d5a894501b7546dee94df03118b90126c420820Chris Lattner } 15688d5a894501b7546dee94df03118b90126c420820Chris Lattner } 15696867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Result = PerformInsertVectorEltInMemory(Tmp1, Tmp2, Tmp3); 15702332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15712332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15722332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15732332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 1574ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case ISD::SCALAR_TO_VECTOR: 15754352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (!TLI.isTypeLegal(Node->getOperand(0).getValueType())) { 15764352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = LegalizeOp(ExpandSCALAR_TO_VECTOR(Node)); 15774352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 15784352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 15794352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 1580ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // InVal 1581ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 1582ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner switch (TLI.getOperationAction(ISD::SCALAR_TO_VECTOR, 1583ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Node->getValueType(0))) { 1584ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner default: assert(0 && "This action is not supported yet!"); 1585ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case TargetLowering::Legal: 1586ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 15874d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner case TargetLowering::Custom: 15884d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1589ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 15904d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner Result = Tmp3; 15914d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner break; 15924d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner } 15934d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner // FALLTHROUGH 15944352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Expand: 15954352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = LegalizeOp(ExpandSCALAR_TO_VECTOR(Node)); 1596ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 1597ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 1598ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 159987100e0b83b808757bf44dabecd1d1048255d1adChris Lattner case ISD::VECTOR_SHUFFLE: 160087100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the input vectors, 160187100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // but not the shuffle mask. 160287100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 160387100e0b83b808757bf44dabecd1d1048255d1adChris Lattner 160487100e0b83b808757bf44dabecd1d1048255d1adChris Lattner // Allow targets to custom lower the SHUFFLEs they support. 16054352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner switch (TLI.getOperationAction(ISD::VECTOR_SHUFFLE,Result.getValueType())) { 16064352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner default: assert(0 && "Unknown operation action!"); 16074352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Legal: 16084352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner assert(isShuffleLegal(Result.getValueType(), Node->getOperand(2)) && 16094352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner "vector shuffle should not be created if not legal!"); 16104352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16114352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Custom: 161218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Tmp3 = TLI.LowerOperation(Result, DAG); 1613ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 161418dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Result = Tmp3; 161518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng break; 161618dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 161718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng // FALLTHROUGH 161818dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng case TargetLowering::Expand: { 161983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 162083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 162183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 1622475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = Node->getOperand(2); 162318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng unsigned NumElems = Mask.getNumOperands(); 1624475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue,8> Ops; 162518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng for (unsigned i = 0; i != NumElems; ++i) { 1626475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Arg = Mask.getOperand(i); 162718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng if (Arg.getOpcode() == ISD::UNDEF) { 162818dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); 162918dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } else { 163018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng assert(isa<ConstantSDNode>(Arg) && "Invalid VECTOR_SHUFFLE mask!"); 1631f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(Arg)->getZExtValue(); 163218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng if (Idx < NumElems) 163318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, Tmp1, 163418dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng DAG.getConstant(Idx, PtrVT))); 163518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng else 163618dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, Tmp2, 163718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng DAG.getConstant(Idx - NumElems, PtrVT))); 163818dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 163918dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 1640bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner Result = DAG.getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size()); 16414352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 164218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 16434352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Promote: { 16444352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Change base type to a different vector type. 164583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getValueType(0); 164683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 16474352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 16484352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Cast the two input vectors. 16494352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); 16504352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); 16514352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 16524352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Convert the shuffle mask to the right # elements. 1653475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp3 = SDValue(isShuffleLegal(OVT, Node->getOperand(2)), 0); 1654ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp3.getNode() && "Shuffle not legal?"); 16554352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = DAG.getNode(ISD::VECTOR_SHUFFLE, NVT, Tmp1, Tmp2, Tmp3); 16564352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); 16574352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16584352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 165987100e0b83b808757bf44dabecd1d1048255d1adChris Lattner } 166087100e0b83b808757bf44dabecd1d1048255d1adChris Lattner break; 1661384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner 1662384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner case ISD::EXTRACT_VECTOR_ELT: 16637f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp1 = Node->getOperand(0); 1664384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1665384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 16667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ExpandEXTRACT_VECTOR_ELT(Result); 1667384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner break; 1668384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner 16697f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 16707f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp1 = Node->getOperand(0); 16717f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Node->getOperand(1)); 16727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 16737f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ExpandEXTRACT_SUBVECTOR(Result); 16746595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 16756595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 16760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CONCAT_VECTORS: { 16770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Use extract/insert/build vector for now. We might try to be 16780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // more clever later. 16790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT PtrVT = TLI.getPointerTy(); 16800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SmallVector<SDValue, 8> Ops; 16810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumOperands = Node->getNumOperands(); 16820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i=0; i < NumOperands; ++i) { 16830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue SubOp = Node->getOperand(i); 16840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = SubOp.getNode()->getValueType(0); 16850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EltVT = VVT.getVectorElementType(); 16860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumSubElem = VVT.getVectorNumElements(); 16870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned j=0; j < NumSubElem; ++j) { 16880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, SubOp, 16890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getConstant(j, PtrVT))); 16900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 16910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 16920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return LegalizeOp(DAG.getNode(ISD::BUILD_VECTOR, Node->getValueType(0), 16930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &Ops[0], Ops.size())); 16940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 16950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 16966831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case ISD::CALLSEQ_START: { 16976831a815999dde4cf801e2076e66b4943964daf2Chris Lattner SDNode *CallEnd = FindCallEndFromCallStart(Node); 16986831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 16996831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Recursively Legalize all of the inputs of the call end that do not lead 17006831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // to this call start. This ensures that any libcalls that need be inserted 17016831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // are inserted *before* the CALLSEQ_START. 170200755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner {SmallPtrSet<SDNode*, 32> NodesLeadingTo; 17036831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = CallEnd->getNumOperands(); i != e; ++i) 1704ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LegalizeAllNodesNotLeadingTo(CallEnd->getOperand(i).getNode(), Node, 1705c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner NodesLeadingTo); 1706c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner } 17076831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Now that we legalized all of the inputs (which may have inserted 17096831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // libcalls) create the new CALLSEQ_START node. 17106831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 17116831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17126831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Merge in the last call, to ensure that this call start after the last 17136831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // call ended. 1714c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner if (LastCALLSEQ_END.getOpcode() != ISD::EntryToken) { 1715b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 1716b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = LegalizeOp(Tmp1); 1717b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner } 17186831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17196831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Do not try to legalize the target-specific arguments (#1+). 17206831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Tmp1 != Node->getOperand(0)) { 1721475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 17226831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Ops[0] = Tmp1; 1723f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 17246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 17256831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Remember that the CALLSEQ_START is legalized. 17274b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner AddLegalizedOperand(Op.getValue(0), Result); 17284b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner if (Node->getNumValues() == 2) // If this has a flag result, remember it. 17294b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner AddLegalizedOperand(Op.getValue(1), Result.getValue(1)); 17304b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner 17316831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Now that the callseq_start and all of the non-call nodes above this call 17326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // sequence have been legalized, legalize the call itself. During this 17336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // process, no libcalls can/will be inserted, guaranteeing that no calls 17346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // can overlap. 17356831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "Inconsistent sequentialization of calls!"); 17366831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Note that we are selecting this call! 1737475871a144eb604ddaf37503397ba0941442e5fbDan Gohman LastCALLSEQ_END = SDValue(CallEnd, 0); 17386831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = true; 17396831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17406831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalize the call, starting from the CALLSEQ_END. 17416831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LegalizeOp(LastCALLSEQ_END); 17426831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "CALLSEQ_END should have cleared this!"); 17436831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Result; 17446831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 174516cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner case ISD::CALLSEQ_END: 17466831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // If the CALLSEQ_START node hasn't been legalized first, legalize it. This 17476831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // will cause this node to be legalized as well as handling libcalls right. 1748ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (LastCALLSEQ_END.getNode() != Node) { 1749475871a144eb604ddaf37503397ba0941442e5fbDan Gohman LegalizeOp(SDValue(FindCallStartFromCallEnd(Node), 0)); 1750475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = LegalizedNodes.find(Op); 17516831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(I != LegalizedNodes.end() && 17526831a815999dde4cf801e2076e66b4943964daf2Chris Lattner "Legalizing the call start should have legalized this node!"); 17536831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return I->second; 17546831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 17556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, the call start has been legalized and everything is going 17576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // according to plan. Just legalize ourselves normally here. 17583e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 175970814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner // Do not try to legalize the target-specific arguments (#1+), except for 176070814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner // an optional flag input. 176170814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Node->getOperand(Node->getNumOperands()-1).getValueType() != MVT::Flag){ 176270814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Tmp1 != Node->getOperand(0)) { 1763475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 176470814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops[0] = Tmp1; 1765f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 176670814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } 176770814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } else { 176870814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Tmp2 = LegalizeOp(Node->getOperand(Node->getNumOperands()-1)); 176970814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Tmp1 != Node->getOperand(0) || 177070814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Tmp2 != Node->getOperand(Node->getNumOperands()-1)) { 1771475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 177270814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops[0] = Tmp1; 177370814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops.back() = Tmp2; 1774f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 177570814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } 17766a5428934ba6159c1acc541944332e51a6cfa59aChris Lattner } 17774b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner assert(IsLegalizingCall && "Call sequence imbalance between start/end?"); 17786831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // This finishes up call legalization. 17796831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = false; 17804b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner 17814b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner // If the CALLSEQ_END node has a flag, remember that we legalized it. 1782475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 17834b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner if (Node->getNumValues() == 2) 1784475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 178599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1786a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng case ISD::DYNAMIC_STACKALLOC: { 178783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 1788fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1789fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the size. 1790fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the alignment. 1791c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1792fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner 1793c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = Result.getValue(0); 17945f652295c27826f26547cf5eb4096a59d86b56b8Chris Lattner Tmp2 = Result.getValue(1); 179561bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 1796a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng default: assert(0 && "This action is not supported yet!"); 1797903d278a9b7398d8905c90832e587e0556c52789Chris Lattner case TargetLowering::Expand: { 1798903d278a9b7398d8905c90832e587e0556c52789Chris Lattner unsigned SPReg = TLI.getStackPointerRegisterToSaveRestore(); 1799903d278a9b7398d8905c90832e587e0556c52789Chris Lattner assert(SPReg && "Target cannot require DYNAMIC_STACKALLOC expansion and" 1800903d278a9b7398d8905c90832e587e0556c52789Chris Lattner " not tell us which reg is the stack pointer!"); 1801475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = Tmp1.getOperand(0); 18020f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 18030f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // Chain the dynamic stack allocation so that it doesn't modify the stack 18040f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // pointer when other instructions are using the stack. 1805e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(0, true)); 18060f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1807475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Size = Tmp2.getOperand(1); 1808475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SP = DAG.getCopyFromReg(Chain, SPReg, VT); 180961bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng Chain = SP.getValue(1); 1810f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Align = cast<ConstantSDNode>(Tmp3)->getZExtValue(); 181161bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng unsigned StackAlign = 181261bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng TLI.getTargetMachine().getFrameInfo()->getStackAlignment(); 181361bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng if (Align > StackAlign) 18143e20bba5eb5df2fdd3e6655c8470084cf05032d4Evan Cheng SP = DAG.getNode(ISD::AND, VT, SP, 18153e20bba5eb5df2fdd3e6655c8470084cf05032d4Evan Cheng DAG.getConstant(-(uint64_t)Align, VT)); 181661bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng Tmp1 = DAG.getNode(ISD::SUB, VT, SP, Size); // Value 18170f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Chain = DAG.getCopyToReg(Chain, SPReg, Tmp1); // Output chain 18180f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1819e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner Tmp2 = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(0, true), 1820e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner DAG.getIntPtrConstant(0, true), SDValue()); 18210f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1822c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp1); 1823c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp2); 1824903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1825903d278a9b7398d8905c90832e587e0556c52789Chris Lattner } 1826903d278a9b7398d8905c90832e587e0556c52789Chris Lattner case TargetLowering::Custom: 18275f652295c27826f26547cf5eb4096a59d86b56b8Chris Lattner Tmp3 = TLI.LowerOperation(Tmp1, DAG); 1828ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 1829c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp3); 1830c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp3.getValue(1)); 1831a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 1832903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1833a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng case TargetLowering::Legal: 1834903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1835a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 1836903d278a9b7398d8905c90832e587e0556c52789Chris Lattner // Since this op produce two values, make sure to remember that we 1837903d278a9b7398d8905c90832e587e0556c52789Chris Lattner // legalized both of them. 1838475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 1839475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 184099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 1841a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 184225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner case ISD::INLINEASM: { 1843475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 184425a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner bool Changed = false; 184525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // Legalize all of the operands of the inline asm, in case they are nodes 184625a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // that need to be expanded or something. Note we skip the asm string and 184725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // all of the TargetConstant flags. 1848475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = LegalizeOp(Ops[0]); 184925a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed = Op != Ops[0]; 185025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops[0] = Op; 185125a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner 185225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner bool HasInFlag = Ops.back().getValueType() == MVT::Flag; 185325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner for (unsigned i = 2, e = Ops.size()-HasInFlag; i < e; ) { 1854f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned NumVals = cast<ConstantSDNode>(Ops[i])->getZExtValue() >> 3; 185525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner for (++i; NumVals; ++i, --NumVals) { 1856475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = LegalizeOp(Ops[i]); 185725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (Op != Ops[i]) { 185825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed = true; 185925a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops[i] = Op; 186025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 186125a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 186225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 186325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner 186425a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (HasInFlag) { 186525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Op = LegalizeOp(Ops.back()); 186625a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed |= Op != Ops.back(); 186725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops.back() = Op; 186825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 1869ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner 187025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (Changed) 1871f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 1872ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner 1873ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner // INLINE asm returns a chain and flag, make sure to add both to the map. 1874475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1875475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 187699a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 187725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 1878c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner case ISD::BR: 1879c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 18806831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a branch. 18816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 18826831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 18836831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 18846831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 1885c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 1886c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner break; 188737efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::BRIND: 188837efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 188937efe6764568a3829fee26aba532283131d1a104Nate Begeman // Ensure that libcalls are emitted before a branch. 189037efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 189137efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = LegalizeOp(Tmp1); 189237efe6764568a3829fee26aba532283131d1a104Nate Begeman LastCALLSEQ_END = DAG.getEntryNode(); 189337efe6764568a3829fee26aba532283131d1a104Nate Begeman 189437efe6764568a3829fee26aba532283131d1a104Nate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 189537efe6764568a3829fee26aba532283131d1a104Nate Begeman default: assert(0 && "Indirect target must be legal type (pointer)!"); 189637efe6764568a3829fee26aba532283131d1a104Nate Begeman case Legal: 189737efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. 189837efe6764568a3829fee26aba532283131d1a104Nate Begeman break; 189937efe6764568a3829fee26aba532283131d1a104Nate Begeman } 190037efe6764568a3829fee26aba532283131d1a104Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 190137efe6764568a3829fee26aba532283131d1a104Nate Begeman break; 19023d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case ISD::BR_JT: 19033d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19043d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // Ensure that libcalls are emitted before a branch. 19053d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19063d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = LegalizeOp(Tmp1); 19073d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng LastCALLSEQ_END = DAG.getEntryNode(); 19083d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 19093d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the jumptable node. 19103d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 19113d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 19123d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng switch (TLI.getOperationAction(ISD::BR_JT, MVT::Other)) { 19133d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng default: assert(0 && "This action is not supported yet!"); 19143d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Legal: break; 19153d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Custom: 19163d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 1917ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 19183d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng break; 19193d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Expand: { 1920475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = Result.getOperand(0); 1921475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Table = Result.getOperand(1); 1922475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Index = Result.getOperand(2); 19233d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 192483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PTy = TLI.getPointerTy(); 1925acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey MachineFunction &MF = DAG.getMachineFunction(); 1926acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey unsigned EntrySize = MF.getJumpTableInfo()->getEntrySize(); 19273d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Index= DAG.getNode(ISD::MUL, PTy, Index, DAG.getConstant(EntrySize, PTy)); 1928475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Addr = DAG.getNode(ISD::ADD, PTy, Index, Table); 1929acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 1930475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LD; 1931acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey switch (EntrySize) { 1932acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey default: assert(0 && "Size of jump table not supported yet."); break; 193369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr, 19343069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getJumpTable(), 0); break; 193569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, 19363069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getJumpTable(), 0); break; 1937acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey } 1938acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 1939cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = LD; 1940acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey if (TLI.getTargetMachine().getRelocationModel() == Reloc::PIC_) { 19413d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // For PIC, the sequence is: 19423d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // BRIND(load(Jumptable + index) + RelocBase) 1943cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng // RelocBase can be JumpTable, GOT or some sort of global base. 1944cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng if (PTy != MVT::i32) 1945cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = DAG.getNode(ISD::SIGN_EXTEND, PTy, Addr); 1946cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = DAG.getNode(ISD::ADD, PTy, Addr, 1947cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng TLI.getPICJumpTableRelocBase(Table, DAG)); 19483d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 1949cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Result = DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), Addr); 19503d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 19513d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 19523d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng break; 1953c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner case ISD::BRCOND: 1954c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a return. 19566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 19586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 19596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 196047e9223e06390897c3834f8c527001df392570ffChris Lattner switch (getTypeAction(Node->getOperand(1).getValueType())) { 196147e9223e06390897c3834f8c527001df392570ffChris Lattner case Expand: assert(0 && "It's impossible to expand bools"); 196247e9223e06390897c3834f8c527001df392570ffChris Lattner case Legal: 196347e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. 196447e9223e06390897c3834f8c527001df392570ffChris Lattner break; 19652e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman case Promote: { 196647e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the condition. 1967f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner 1968f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner // The top bits of the promoted condition are not necessarily zero, ensure 1969f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner // that the value is properly zero extended. 19702e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned BitWidth = Tmp2.getValueSizeInBits(); 1971ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman if (!DAG.MaskedValueIsZero(Tmp2, 19722e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman APInt::getHighBitsSet(BitWidth, BitWidth-1))) 1973f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner Tmp2 = DAG.getZeroExtendInReg(Tmp2, MVT::i1); 197447e9223e06390897c3834f8c527001df392570ffChris Lattner break; 197547e9223e06390897c3834f8c527001df392570ffChris Lattner } 19762e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman } 1977456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 1978456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Basic block destination (Op#2) is always legal. 1979c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 19807cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 19817cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman switch (TLI.getOperationAction(ISD::BRCOND, MVT::Other)) { 19827cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman default: assert(0 && "This action is not supported yet!"); 1983456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 1984456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 1985456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 1986ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 1987456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 19887cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman case TargetLowering::Expand: 19897cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // Expand brcond's setcc into its constituent parts and create a BR_CC 19907cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // Node. 19917cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman if (Tmp2.getOpcode() == ISD::SETCC) { 19927cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Result = DAG.getNode(ISD::BR_CC, MVT::Other, Tmp1, Tmp2.getOperand(2), 19937cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Tmp2.getOperand(0), Tmp2.getOperand(1), 19947cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Node->getOperand(2)); 19957cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } else { 19967cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Result = DAG.getNode(ISD::BR_CC, MVT::Other, Tmp1, 19977cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman DAG.getCondCode(ISD::SETNE), Tmp2, 19987cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman DAG.getConstant(0, Tmp2.getValueType()), 19997cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Node->getOperand(2)); 20007cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 20017cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman break; 20027cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 20037cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman break; 20047cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman case ISD::BR_CC: 20057cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 20066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a branch. 20076831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 20086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 2009750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(2); // LHS 2010750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = Node->getOperand(3); // RHS 2011750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp4 = Node->getOperand(1); // CC 2012181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner 201353e4e4478c69c2c2115db833b54385117c764d14Dale Johannesen LegalizeSetCC(TLI.getSetCCResultType(Tmp2), Tmp2, Tmp3, Tmp4); 2014722cb360690e5d7742b01a9f497fdb65bf8079d5Evan Cheng LastCALLSEQ_END = DAG.getEntryNode(); 2015722cb360690e5d7742b01a9f497fdb65bf8079d5Evan Cheng 20167f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // If we didn't get both a LHS and RHS back from LegalizeSetCC, 2017750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the LHS is a legal SETCC itself. In this case, we need to compare 2018750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the result against zero to select between true and false values. 2019ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode() == 0) { 2020750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = DAG.getConstant(0, Tmp2.getValueType()); 2021750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp4 = DAG.getCondCode(ISD::SETNE); 2022750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 2023750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2024750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp4, Tmp2, Tmp3, 2025750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Node->getOperand(4)); 2026456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2027181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner switch (TLI.getOperationAction(ISD::BR_CC, Tmp3.getValueType())) { 2028181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner default: assert(0 && "Unexpected action for BR_CC!"); 2029456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2030456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2031456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp4 = TLI.LowerOperation(Result, DAG); 2032ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) Result = Tmp4; 2033181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner break; 20347cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 2035c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner break; 2036f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng case ISD::LOAD: { 2037466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 2038466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = LegalizeOp(LD->getChain()); // Legalize the chain. 2039466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp2 = LegalizeOp(LD->getBasePtr()); // Legalize the base pointer. 20402d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 2041466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng ISD::LoadExtType ExtType = LD->getExtensionType(); 2042466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::NON_EXTLOAD) { 204383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 2044466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, LD->getOffset()); 2045466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = Result.getValue(0); 2046466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp4 = Result.getValue(1); 2047456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2048466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 2049466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng default: assert(0 && "This action is not supported yet!"); 2050f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio case TargetLowering::Legal: 2051f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If this is an unaligned load and the target doesn't support it, 2052f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // expand it. 2053f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (!TLI.allowsUnalignedMemoryAccesses()) { 2054f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio unsigned ABIAlignment = TLI.getTargetData()-> 205583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(LD->getMemoryVT().getTypeForMVT()); 2056f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (LD->getAlignment() < ABIAlignment){ 2057ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG, 2058f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio TLI); 2059f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Tmp3 = Result.getOperand(0); 2060f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Tmp4 = Result.getOperand(1); 2061907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Tmp3 = LegalizeOp(Tmp3); 2062907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Tmp4 = LegalizeOp(Tmp4); 2063f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2064f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2065f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio break; 2066466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case TargetLowering::Custom: 2067466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = TLI.LowerOperation(Tmp3, DAG); 2068ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 2069466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = LegalizeOp(Tmp1); 2070466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp4 = LegalizeOp(Tmp1.getValue(1)); 2071466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 2072466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2073466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case TargetLowering::Promote: { 2074466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Only promote a load of vector type to another. 207583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isVector() && "Cannot promote this load!"); 2076466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Change base type to a different vector type. 207783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), VT); 2078466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 2079466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = DAG.getLoad(NVT, Tmp1, Tmp2, LD->getSrcValue(), 2080d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->getSrcValueOffset(), 2081d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->isVolatile(), LD->getAlignment()); 2082466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = LegalizeOp(DAG.getNode(ISD::BIT_CONVERT, VT, Tmp1)); 208341f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng Tmp4 = LegalizeOp(Tmp1.getValue(1)); 2084466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2085f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 2086466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 2087466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Since loads produce two values, make sure to remember that we 2088466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // legalized both of them. 2089475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp3); 2090475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp4); 209199a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp4 : Tmp3; 2092466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else { 209383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = LD->getMemoryVT(); 209483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SrcWidth = SrcVT.getSizeInBits(); 2095f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands int SVOffset = LD->getSrcValueOffset(); 2096f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned Alignment = LD->getAlignment(); 2097f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands bool isVolatile = LD->isVolatile(); 2098f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 209983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (SrcWidth != SrcVT.getStoreSizeInBits() && 2100f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Some targets pretend to have an i1 loading operation, and actually 2101f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // load an i8. This trick is correct for ZEXTLOAD because the top 7 2102f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // bits are guaranteed to be zero; it helps the optimizers understand 2103f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // that these bits are zero. It is also useful for EXTLOAD, since it 2104f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // tells the optimizers that those bits are undefined. It would be 2105f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // nice to have an effective generic way of getting these benefits... 2106f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Until such a way is found, don't insist on promoting i1 here. 2107f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands (SrcVT != MVT::i1 || 21080329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng TLI.getLoadExtAction(ExtType, MVT::i1) == TargetLowering::Promote)) { 2109f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Promote to a byte-sized load if not loading an integral number of 2110f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // bytes. For example, promote EXTLOAD:i20 -> EXTLOAD:i24. 211183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NewWidth = SrcVT.getStoreSizeInBits(); 211283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = MVT::getIntegerVT(NewWidth); 2113475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch; 2114f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2115f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // The extra bits are guaranteed to be zero, since we stored them that 2116f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // way. A zext load from NVT thus automatically gives zext from SrcVT. 2117f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2118f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ISD::LoadExtType NewExtType = 2119f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtType == ISD::ZEXTLOAD ? ISD::ZEXTLOAD : ISD::EXTLOAD; 2120f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2121f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getExtLoad(NewExtType, Node->getValueType(0), 2122f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1, Tmp2, LD->getSrcValue(), SVOffset, 2123f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands NVT, isVolatile, Alignment); 2124f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2125f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = Result.getValue(1); // The chain. 2126f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2127f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (ExtType == ISD::SEXTLOAD) 2128f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Having the top bits zero doesn't help when sign extending. 2129f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 2130f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result, DAG.getValueType(SrcVT)); 2131f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands else if (ExtType == ISD::ZEXTLOAD || NVT == Result.getValueType()) 2132f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // All the top bits are guaranteed to be zero - inform the optimizers. 2133f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::AssertZext, Result.getValueType(), Result, 2134f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getValueType(SrcVT)); 2135f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2136f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); 2137f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Ch); 2138f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else if (SrcWidth & (SrcWidth - 1)) { 2139f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // If not loading a power-of-2 number of bits, expand as two loads. 214083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(SrcVT.isExtended() && !SrcVT.isVector() && 2141f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands "Unsupported extload!"); 2142f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned RoundWidth = 1 << Log2_32(SrcWidth); 2143f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(RoundWidth < SrcWidth); 2144f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned ExtraWidth = SrcWidth - RoundWidth; 2145f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(ExtraWidth < RoundWidth); 2146f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(!(RoundWidth % 8) && !(ExtraWidth % 8) && 2147f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands "Load size not an integral number of bytes!"); 214883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT RoundVT = MVT::getIntegerVT(RoundWidth); 214983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = MVT::getIntegerVT(ExtraWidth); 2150475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi, Ch; 2151f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned IncrementSize; 2152f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2153f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (TLI.isLittleEndian()) { 2154f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // EXTLOAD:i24 -> ZEXTLOAD:i16 | (shl EXTLOAD@+2:i8, 16) 2155f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the bottom RoundWidth bits. 2156f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Lo = DAG.getExtLoad(ISD::ZEXTLOAD, Node->getValueType(0), Tmp1, Tmp2, 2157f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset, RoundVT, isVolatile, 2158f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Alignment); 2159f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2160f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the remaining ExtraWidth bits. 2161f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands IncrementSize = RoundWidth / 8; 2162f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 2163f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getIntPtrConstant(IncrementSize)); 2164f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getExtLoad(ExtType, Node->getValueType(0), Tmp1, Tmp2, 2165f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset + IncrementSize, 2166f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtraVT, isVolatile, 2167f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands MinAlign(Alignment, IncrementSize)); 2168f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2169f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Build a factor node to remember that this load is independent of the 2170f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // other one. 2171f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 2172f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi.getValue(1)); 2173f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2174f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Move the top bits to the right place. 2175f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getNode(ISD::SHL, Hi.getValueType(), Hi, 2176f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getConstant(RoundWidth, TLI.getShiftAmountTy())); 2177f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2178f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Join the hi and lo parts. 2179f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::OR, Node->getValueType(0), Lo, Hi); 2180f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } else { 2181f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Big endian - avoid unaligned loads. 2182f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // EXTLOAD:i24 -> (shl EXTLOAD:i16, 8) | ZEXTLOAD@+2:i8 2183f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the top RoundWidth bits. 2184f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getExtLoad(ExtType, Node->getValueType(0), Tmp1, Tmp2, 2185f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset, RoundVT, isVolatile, 2186f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Alignment); 2187f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2188f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the remaining ExtraWidth bits. 2189f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands IncrementSize = RoundWidth / 8; 2190f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 2191f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getIntPtrConstant(IncrementSize)); 2192f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Lo = DAG.getExtLoad(ISD::ZEXTLOAD, Node->getValueType(0), Tmp1, Tmp2, 2193f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset + IncrementSize, 2194f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtraVT, isVolatile, 2195f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands MinAlign(Alignment, IncrementSize)); 2196f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2197f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Build a factor node to remember that this load is independent of the 2198f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // other one. 2199f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 2200f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi.getValue(1)); 2201f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2202f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Move the top bits to the right place. 2203f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getNode(ISD::SHL, Hi.getValueType(), Hi, 2204f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy())); 2205f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2206f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Join the hi and lo parts. 2207f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::OR, Node->getValueType(0), Lo, Hi); 2208f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2209f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2210f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); 2211f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Ch); 2212f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else { 22130329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng switch (TLI.getLoadExtAction(ExtType, SrcVT)) { 2214f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands default: assert(0 && "This action is not supported yet!"); 2215f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Custom: 2216f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands isCustom = true; 2217f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // FALLTHROUGH 2218f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Legal: 2219f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, LD->getOffset()); 2220f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = Result.getValue(0); 2221f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = Result.getValue(1); 2222f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2223f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (isCustom) { 2224f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp3 = TLI.LowerOperation(Result, DAG); 2225ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 2226f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Tmp3); 2227f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Tmp3.getValue(1)); 2228f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2229f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else { 2230f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // If this is an unaligned load and the target doesn't support it, 2231f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // expand it. 2232f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (!TLI.allowsUnalignedMemoryAccesses()) { 2233f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned ABIAlignment = TLI.getTargetData()-> 223483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(LD->getMemoryVT().getTypeForMVT()); 2235f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (LD->getAlignment() < ABIAlignment){ 2236ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG, 2237f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands TLI); 2238f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = Result.getOperand(0); 2239f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = Result.getOperand(1); 2240f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Tmp1); 2241f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Tmp2); 2242f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2243f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2244f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2245f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands break; 2246f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Expand: 2247f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // f64 = EXTLOAD f32 should expand to LOAD, FP_EXTEND 2248f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (SrcVT == MVT::f32 && Node->getValueType(0) == MVT::f64) { 2249475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Load = DAG.getLoad(SrcVT, Tmp1, Tmp2, LD->getSrcValue(), 2250f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValueOffset(), 2251f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->isVolatile(), LD->getAlignment()); 2252f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::FP_EXTEND, Node->getValueType(0), Load); 2253f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); // Relegalize new nodes. 2254f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Load.getValue(1)); 2255f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands break; 2256f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2257f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(ExtType != ISD::EXTLOAD &&"EXTLOAD should always be supported!"); 2258f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Turn the unsupported load into an EXTLOAD followed by an explicit 2259f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // zero/sign extend inreg. 2260f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getExtLoad(ISD::EXTLOAD, Node->getValueType(0), 2261f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1, Tmp2, LD->getSrcValue(), 2262f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValueOffset(), SrcVT, 2263f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->isVolatile(), LD->getAlignment()); 2264475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ValRes; 2265f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (ExtType == ISD::SEXTLOAD) 2266f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ValRes = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 2267f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result, DAG.getValueType(SrcVT)); 2268f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands else 2269f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ValRes = DAG.getZeroExtendInReg(Result, SrcVT); 2270f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(ValRes); // Relegalize new nodes. 2271f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); // Relegalize new nodes. 2272466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2273466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 22749d416f713e8b9e4f0c0c2b3f6f57ce2dd8993209Andrew Lenharth } 2275f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2276466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Since loads produce two values, make sure to remember that we legalized 2277466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // both of them. 2278475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2279475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 228099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 228101ff7216dd7829d4094754086baf28aa2d7149acChris Lattner } 228201ff7216dd7829d4094754086baf28aa2d7149acChris Lattner } 22835dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case ISD::EXTRACT_ELEMENT: { 228483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OpTy = Node->getOperand(0).getValueType(); 22855dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman switch (getTypeAction(OpTy)) { 2286c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner default: assert(0 && "EXTRACT_ELEMENT action for type unimplemented!"); 22875dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case Legal: 2288f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) { 22895dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // 1 -> Hi 22905dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::SRL, OpTy, Node->getOperand(0), 229183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(OpTy.getSizeInBits()/2, 22925dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman TLI.getShiftAmountTy())); 22935dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), Result); 22945dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } else { 22955dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // 0 -> Lo 22965dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), 22975dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Node->getOperand(0)); 22985dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 22995dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman break; 23005dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case Expand: 23015dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // Get both the low and high parts. 23025dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 2303f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) 23045dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = Tmp2; // 1 -> Hi 23055dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman else 23065dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = Tmp1; // 0 -> Lo 23075dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman break; 23085dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23093e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 23105dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 23123e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::CopyToReg: 23133e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2314edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 2315c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner assert(isTypeLegal(Node->getOperand(2).getValueType()) && 2316d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner "Register type must be legal!"); 23177310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // Legalize the incoming value (must be a legal type). 2318d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(2)); 2319f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner if (Node->getNumValues() == 1) { 2320c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1), Tmp2); 23217310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } else { 2322f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner assert(Node->getNumValues() == 2 && "Unknown CopyToReg"); 2323c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Node->getNumOperands() == 4) { 2324f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(3)); 2325c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1), Tmp2, 2326c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3); 2327c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else { 2328c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1),Tmp2); 23297310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 23307310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner 23317310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // Since this produces two values, make sure to remember that we legalized 23327310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // both of them. 2333475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 2334475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 2335c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner return Result; 23367310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 23373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 23383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 23393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::RET: 23403e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 23416831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 23426831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a return. 23436831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 23446831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 23456831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 2346f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner 23473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getNumOperands()) { 23488e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng case 3: // ret val 234998f8aeb45fc1e54437cbb8f2a7445c609deab832Evan Cheng Tmp2 = Node->getOperand(1); 23508e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Tmp3 = Node->getOperand(2); // Signness 2351f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner switch (getTypeAction(Tmp2.getValueType())) { 23523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 23538e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, LegalizeOp(Tmp2), Tmp3); 23543e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2355f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner case Expand: 235683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!Tmp2.getValueType().isVector()) { 2357475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2358f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner ExpandOp(Tmp2, Lo, Hi); 2359edf2e8da256496c19390cfd46da80746373e9989Chris Lattner 2360edf2e8da256496c19390cfd46da80746373e9989Chris Lattner // Big endian systems want the hi reg first. 23610753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 2362edf2e8da256496c19390cfd46da80746373e9989Chris Lattner std::swap(Lo, Hi); 2363edf2e8da256496c19390cfd46da80746373e9989Chris Lattner 2364ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) 236513acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi,Tmp3); 236613acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng else 236713acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3); 2368f921a518912df706a8edf1f867f52e8afc6e2b55Chris Lattner Result = LegalizeOp(Result); 2369f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else { 2370ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = Tmp2.getNode(); 237199a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = Tmp2.getResNo(); 237283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVal->getValueType(InIx).getVectorNumElements(); 237383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVal->getValueType(InIx).getVectorElementType(); 2374f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner 23757f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 2376ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // type. If so, convert to the vector type. 237783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 23787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 2379ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // Turn this into a return of the vector type. 23807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Tmp2); 23818e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2382f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else if (NumElems == 1) { 2383f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // Turn this into a return of the scalar type. 23847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = ScalarizeVectorOp(Tmp2); 23857f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Tmp2); 23868e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2387b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner 2388b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // FIXME: Returns of gcc generic vectors smaller than a legal type 2389b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // should be returned in integer registers! 2390b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner 2391f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // The scalarized value type may not be legal, e.g. it might require 2392f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // promotion or expansion. Relegalize the return. 2393f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner Result = LegalizeOp(Result); 2394f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else { 2395b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // FIXME: Returns of gcc generic vectors larger than a legal vector 2396b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // type should be returned by reference! 2397475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2398f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner SplitVectorOp(Tmp2, Lo, Hi); 2399fea997aac5773e936754de5436029c2a4fa1e930Chris Lattner Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi,Tmp3); 2400f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner Result = LegalizeOp(Result); 2401f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } 2402f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } 2403edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman break; 24043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Promote: 24058b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 24068e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2407c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = LegalizeOp(Result); 24088b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 24093e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24103e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case 1: // ret void 2412c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 24133e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24143e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner default: { // ret <values> 2415475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> NewValues; 24163e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner NewValues.push_back(Tmp1); 24178e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng for (unsigned i = 1, e = Node->getNumOperands(); i < e; i += 2) 24183e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (getTypeAction(Node->getOperand(i).getValueType())) { 24193e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 24204e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner NewValues.push_back(LegalizeOp(Node->getOperand(i))); 24218e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 24223e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24233e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Expand: { 2424475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 242583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(!Node->getOperand(i).getValueType().isExtended() && 2426b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner "FIXME: TODO: implement returning non-legal vector types!"); 24273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(i), Lo, Hi); 24283e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner NewValues.push_back(Lo); 24298e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 2430ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) { 243113acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng NewValues.push_back(Hi); 243213acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 243313acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng } 2434edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman break; 24353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Promote: 24378b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner assert(0 && "Can't promote multiple return value yet!"); 24383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 2439c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner 2440c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (NewValues.size() == Node->getNumOperands()) 2441f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &NewValues[0],NewValues.size()); 2442c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner else 2443f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.getNode(ISD::RET, MVT::Other, 2444f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner &NewValues[0], NewValues.size()); 24453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24463e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 244817c428e23dbeac1f985d725905ce6be1c725491fEvan Cheng 24496862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner if (Result.getOpcode() == ISD::RET) { 24506862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner switch (TLI.getOperationAction(Result.getOpcode(), MVT::Other)) { 24516862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner default: assert(0 && "This action is not supported yet!"); 24526862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner case TargetLowering::Legal: break; 24536862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner case TargetLowering::Custom: 24546862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2455ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 24566862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner break; 24576862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner } 245817c428e23dbeac1f985d725905ce6be1c725491fEvan Cheng } 24593e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2460f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng case ISD::STORE: { 24618b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng StoreSDNode *ST = cast<StoreSDNode>(Node); 24628b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp1 = LegalizeOp(ST->getChain()); // Legalize the chain. 24638b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp2 = LegalizeOp(ST->getBasePtr()); // Legalize the pointer. 2464d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman int SVOffset = ST->getSrcValueOffset(); 2465d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman unsigned Alignment = ST->getAlignment(); 2466d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman bool isVolatile = ST->isVolatile(); 24678b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 24688b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng if (!ST->isTruncatingStore()) { 2469d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // Turn 'store float 1.0, Ptr' -> 'store int 0x12345678, Ptr' 2470d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // FIXME: We shouldn't do this for TargetConstantFP's. 2471d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // FIXME: move this to the DAG Combiner! Note that we can't regress due 2472d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // to phase ordering between legalized code and the dag combiner. This 2473d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // probably means that we need to integrate dag combiner and legalizer 2474d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // together. 24759e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen // We generally can't do this one for long doubles. 24762b4c279a8e203fa8b13adf7ba3a5d4c8bef70df3Chris Lattner if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(ST->getValue())) { 24773cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner if (CFP->getValueType(0) == MVT::f32 && 24783cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner getTypeAction(MVT::i32) == Legal) { 24796cf9b8adf43b0a460fb4ba8ddbff2787f5aa9d5eDan Gohman Tmp3 = DAG.getConstant(CFP->getValueAPF(). 24807111b02c734c992b8c97d9918118768026dad79eDale Johannesen bitcastToAPInt().zextOrTrunc(32), 24813f6eb7419de437436265831fce92f62498556e08Dale Johannesen MVT::i32); 24829e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 24839e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen SVOffset, isVolatile, Alignment); 24849e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen break; 24859e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen } else if (CFP->getValueType(0) == MVT::f64) { 24863cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // If this target supports 64-bit registers, do a single 64-bit store. 24873cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner if (getTypeAction(MVT::i64) == Legal) { 24887111b02c734c992b8c97d9918118768026dad79eDale Johannesen Tmp3 = DAG.getConstant(CFP->getValueAPF().bitcastToAPInt(). 24896cf9b8adf43b0a460fb4ba8ddbff2787f5aa9d5eDan Gohman zextOrTrunc(64), MVT::i64); 24903cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 24913cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner SVOffset, isVolatile, Alignment); 24923cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner break; 2493d4b9c17fb705c2f58ceef4f37d789ddb56783584Duncan Sands } else if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) { 24943cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // Otherwise, if the target supports 32-bit registers, use 2 32-bit 24953cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // stores. If the target supports neither 32- nor 64-bits, this 24963cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // xform is certainly not worth it. 24977111b02c734c992b8c97d9918118768026dad79eDale Johannesen const APInt &IntVal =CFP->getValueAPF().bitcastToAPInt(); 2498475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = DAG.getConstant(APInt(IntVal).trunc(32), MVT::i32); 2499475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = DAG.getConstant(IntVal.lshr(32).trunc(32), MVT::i32); 25000753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) std::swap(Lo, Hi); 25013cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner 25023cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(), 25033cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner SVOffset, isVolatile, Alignment); 25043cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 25050bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(4)); 25063cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Hi = DAG.getStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), SVOffset+4, 2507dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands isVolatile, MinAlign(Alignment, 4U)); 25083cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner 25093cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 25103cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner break; 25113cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner } 2512d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner } 2513d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner } 2514d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner 2515b625f2f8960de32bc973092aaee8ac62863006feDan Gohman switch (getTypeAction(ST->getMemoryVT())) { 25168b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case Legal: { 25178b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp3 = LegalizeOp(ST->getValue()); 25182efce0a589e2a688a1a06b5dc2ed0db32ae79924Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 25198b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng ST->getOffset()); 25208b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 252183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Tmp3.getValueType(); 25228b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng switch (TLI.getOperationAction(ISD::STORE, VT)) { 25238b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng default: assert(0 && "This action is not supported yet!"); 2524f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio case TargetLowering::Legal: 2525f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If this is an unaligned store and the target doesn't support it, 2526f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // expand it. 2527f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (!TLI.allowsUnalignedMemoryAccesses()) { 2528f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio unsigned ABIAlignment = TLI.getTargetData()-> 252983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(ST->getMemoryVT().getTypeForMVT()); 2530f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (ST->getAlignment() < ABIAlignment) 2531ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG, 2532f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio TLI); 2533f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2534f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio break; 25358b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case TargetLowering::Custom: 25368b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 2537ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 25388b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25398b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case TargetLowering::Promote: 254083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isVector() && "Unknown legal promote case!"); 25418b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp3 = DAG.getNode(ISD::BIT_CONVERT, 25428b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3); 25438b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, 2544d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman ST->getSrcValue(), SVOffset, isVolatile, 2545d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman Alignment); 25468b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25478b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 25482efce0a589e2a688a1a06b5dc2ed0db32ae79924Chris Lattner break; 2549f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 25508b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case Promote: 25510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!ST->getMemoryVT().isVector()) { 25520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Truncate the value and store the result. 25530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp3 = PromoteOp(ST->getValue()); 25540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 25550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset, ST->getMemoryVT(), 25560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 25570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 25580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 25590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Fall thru to expand for vector 25600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Expand: { 25618b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng unsigned IncrementSize = 0; 2562475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2563c7029805ef35ce9805931067b841e6af11db382eChris Lattner 25648b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // If this is a vector type, then we have to calculate the increment as 25658b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // the product of the element size in bytes, and the number of elements 25668b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // in the high half of the vector. 256783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (ST->getValue().getValueType().isVector()) { 2568ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = ST->getValue().getNode(); 256999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = ST->getValue().getResNo(); 257083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT InVT = InVal->getValueType(InIx); 257183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVT.getVectorNumElements(); 257283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVT.getVectorElementType(); 25738b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 25747f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 2575ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // type. If so, convert to the vector type. 257683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 25777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 2578ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // Turn this into a normal store of the vector type. 257921be3849aef47e6d8c26f31b11def57d59167863Dan Gohman Tmp3 = LegalizeOp(ST->getValue()); 25808b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2581d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 25828b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = LegalizeOp(Result); 25838b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25848b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else if (NumElems == 1) { 25858b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // Turn this into a normal store of the scalar type. 258621be3849aef47e6d8c26f31b11def57d59167863Dan Gohman Tmp3 = ScalarizeVectorOp(ST->getValue()); 25878b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2588d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 25898b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // The scalarized value type may not be legal, e.g. it might require 25908b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // promotion or expansion. Relegalize the scalar store. 25918b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = LegalizeOp(Result); 25928b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25938b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else { 25940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we have widen this node with another value 25950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = 25960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenNodes.find(ST->getValue()); 25970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) { 25980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = StoreWidenVectorOp(ST, Tmp1, Tmp2); 25990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 26000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 26020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SplitVectorOp(ST->getValue(), Lo, Hi); 26030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang IncrementSize = Lo.getNode()->getValueType(0).getVectorNumElements() * 26040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVT.getSizeInBits()/8; 26050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26068b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 2607c7029805ef35ce9805931067b841e6af11db382eChris Lattner } else { 260821be3849aef47e6d8c26f31b11def57d59167863Dan Gohman ExpandOp(ST->getValue(), Lo, Hi); 2609ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif IncrementSize = Hi.getNode() ? Hi.getValueType().getSizeInBits()/8 : 0; 26108b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 26114b052dc63d31e764b85d62c056bffe576d501ed4Richard Pennington if (Hi.getNode() && TLI.isBigEndian()) 26128b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng std::swap(Lo, Hi); 2613c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 2614c7029805ef35ce9805931067b841e6af11db382eChris Lattner 26158b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(), 2616d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26177b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 2618ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode() == NULL) { 26197b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // Must be int <-> float one-to-one expansion. 26207b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng Result = Lo; 26217b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng break; 26227b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng } 26237b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 26248b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 26250bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 26268b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng assert(isTypeLegal(Tmp2.getValueType()) && 26278b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng "Pointers must be legal!"); 2628d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset += IncrementSize; 2629dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 26308b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Hi = DAG.getStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), 2631d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26328b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 26338b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 26340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } // case Expand 26358b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 26368b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else { 2637ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner switch (getTypeAction(ST->getValue().getValueType())) { 2638ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Legal: 2639ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner Tmp3 = LegalizeOp(ST->getValue()); 2640ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner break; 2641ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Promote: 26420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!ST->getValue().getValueType().isVector()) { 26430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We can promote the value, the truncstore will still take care of it. 26440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp3 = PromoteOp(ST->getValue()); 26450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 26460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Vector case falls through to expand 2648ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Expand: 2649ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner // Just store the low part. This may become a non-trunc store, so make 2650ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner // sure to use getTruncStore, not UpdateNodeOperands below. 2651ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner ExpandOp(ST->getValue(), Tmp3, Tmp4); 2652ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner return DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2653ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner SVOffset, MVT::i8, isVolatile, Alignment); 2654ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner } 26557e857201f387d004571e6058e2ea709163500f38Duncan Sands 265683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT StVT = ST->getMemoryVT(); 265783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned StWidth = StVT.getSizeInBits(); 26587e857201f387d004571e6058e2ea709163500f38Duncan Sands 265983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (StWidth != StVT.getStoreSizeInBits()) { 26607e857201f387d004571e6058e2ea709163500f38Duncan Sands // Promote to a byte-sized store with upper bits zero if not 26617e857201f387d004571e6058e2ea709163500f38Duncan Sands // storing an integral number of bytes. For example, promote 26627e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i1 X -> TRUNCSTORE:i8 (and X, 1) 266383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = MVT::getIntegerVT(StVT.getStoreSizeInBits()); 26647e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp3 = DAG.getZeroExtendInReg(Tmp3, StVT); 26658b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 26667e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset, NVT, isVolatile, Alignment); 26677e857201f387d004571e6058e2ea709163500f38Duncan Sands } else if (StWidth & (StWidth - 1)) { 26687e857201f387d004571e6058e2ea709163500f38Duncan Sands // If not storing a power-of-2 number of bits, expand as two stores. 266983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(StVT.isExtended() && !StVT.isVector() && 26707e857201f387d004571e6058e2ea709163500f38Duncan Sands "Unsupported truncstore!"); 26717e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned RoundWidth = 1 << Log2_32(StWidth); 26727e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(RoundWidth < StWidth); 26737e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned ExtraWidth = StWidth - RoundWidth; 26747e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(ExtraWidth < RoundWidth); 26757e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(!(RoundWidth % 8) && !(ExtraWidth % 8) && 26767e857201f387d004571e6058e2ea709163500f38Duncan Sands "Store size not an integral number of bytes!"); 267783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT RoundVT = MVT::getIntegerVT(RoundWidth); 267883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = MVT::getIntegerVT(ExtraWidth); 2679475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 26807e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned IncrementSize; 26817e857201f387d004571e6058e2ea709163500f38Duncan Sands 26827e857201f387d004571e6058e2ea709163500f38Duncan Sands if (TLI.isLittleEndian()) { 26837e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i24 X -> TRUNCSTORE:i16 X, TRUNCSTORE@+2:i8 (srl X, 16) 26847e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the bottom RoundWidth bits. 26857e857201f387d004571e6058e2ea709163500f38Duncan Sands Lo = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 26867e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset, RoundVT, 26877e857201f387d004571e6058e2ea709163500f38Duncan Sands isVolatile, Alignment); 26887e857201f387d004571e6058e2ea709163500f38Duncan Sands 26897e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the remaining ExtraWidth bits. 26907e857201f387d004571e6058e2ea709163500f38Duncan Sands IncrementSize = RoundWidth / 8; 26917e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 26927e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getIntPtrConstant(IncrementSize)); 26937e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getNode(ISD::SRL, Tmp3.getValueType(), Tmp3, 26947e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getConstant(RoundWidth, TLI.getShiftAmountTy())); 26957e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getTruncStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), 26967e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset + IncrementSize, ExtraVT, isVolatile, 26977e857201f387d004571e6058e2ea709163500f38Duncan Sands MinAlign(Alignment, IncrementSize)); 26987e857201f387d004571e6058e2ea709163500f38Duncan Sands } else { 26997e857201f387d004571e6058e2ea709163500f38Duncan Sands // Big endian - avoid unaligned stores. 27007e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i24 X -> TRUNCSTORE:i16 (srl X, 8), TRUNCSTORE@+2:i8 X 27017e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the top RoundWidth bits. 27027e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getNode(ISD::SRL, Tmp3.getValueType(), Tmp3, 27037e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy())); 27047e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getTruncStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), SVOffset, 27057e857201f387d004571e6058e2ea709163500f38Duncan Sands RoundVT, isVolatile, Alignment); 27067e857201f387d004571e6058e2ea709163500f38Duncan Sands 27077e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the remaining ExtraWidth bits. 27087e857201f387d004571e6058e2ea709163500f38Duncan Sands IncrementSize = RoundWidth / 8; 27097e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 27107e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getIntPtrConstant(IncrementSize)); 27117e857201f387d004571e6058e2ea709163500f38Duncan Sands Lo = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 27127e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset + IncrementSize, ExtraVT, isVolatile, 27137e857201f387d004571e6058e2ea709163500f38Duncan Sands MinAlign(Alignment, IncrementSize)); 27147e857201f387d004571e6058e2ea709163500f38Duncan Sands } 2715c7029805ef35ce9805931067b841e6af11db382eChris Lattner 27167e857201f387d004571e6058e2ea709163500f38Duncan Sands // The order of the stores doesn't matter. 27177e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 27187e857201f387d004571e6058e2ea709163500f38Duncan Sands } else { 27197e857201f387d004571e6058e2ea709163500f38Duncan Sands if (Tmp1 != ST->getChain() || Tmp3 != ST->getValue() || 27207e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 != ST->getBasePtr()) 27217e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 27227e857201f387d004571e6058e2ea709163500f38Duncan Sands ST->getOffset()); 27237e857201f387d004571e6058e2ea709163500f38Duncan Sands 27247e857201f387d004571e6058e2ea709163500f38Duncan Sands switch (TLI.getTruncStoreAction(ST->getValue().getValueType(), StVT)) { 27257e857201f387d004571e6058e2ea709163500f38Duncan Sands default: assert(0 && "This action is not supported yet!"); 27267e857201f387d004571e6058e2ea709163500f38Duncan Sands case TargetLowering::Legal: 27277e857201f387d004571e6058e2ea709163500f38Duncan Sands // If this is an unaligned store and the target doesn't support it, 27287e857201f387d004571e6058e2ea709163500f38Duncan Sands // expand it. 27297e857201f387d004571e6058e2ea709163500f38Duncan Sands if (!TLI.allowsUnalignedMemoryAccesses()) { 27307e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned ABIAlignment = TLI.getTargetData()-> 273183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(ST->getMemoryVT().getTypeForMVT()); 27327e857201f387d004571e6058e2ea709163500f38Duncan Sands if (ST->getAlignment() < ABIAlignment) 2733ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG, 27347e857201f387d004571e6058e2ea709163500f38Duncan Sands TLI); 27357e857201f387d004571e6058e2ea709163500f38Duncan Sands } 27367e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 27377e857201f387d004571e6058e2ea709163500f38Duncan Sands case TargetLowering::Custom: 27387e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = TLI.LowerOperation(Result, DAG); 27397e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 27407e857201f387d004571e6058e2ea709163500f38Duncan Sands case Expand: 27417e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i16 i32 -> STORE i16 27427e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(isTypeLegal(StVT) && "Do not know how to expand this store!"); 27437e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp3 = DAG.getNode(ISD::TRUNCATE, StVT, Tmp3); 27447e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), SVOffset, 27457e857201f387d004571e6058e2ea709163500f38Duncan Sands isVolatile, Alignment); 27467e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 2747f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 27488b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 27493e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 27503e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2751f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 275295762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth case ISD::PCMARKER: 275395762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2754c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 275595762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth break; 2756140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case ISD::STACKSAVE: 2757140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2758c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 2759c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = Result.getValue(0); 2760c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Result.getValue(1); 2761456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2762140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner switch (TLI.getOperationAction(ISD::STACKSAVE, MVT::Other)) { 2763140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner default: assert(0 && "This action is not supported yet!"); 2764456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2765456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2766c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 2767ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 2768c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp3); 2769c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp3.getValue(1)); 2770140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2771456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2772140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case TargetLowering::Expand: 27734f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // Expand to CopyFromReg if the target set 27744f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // StackPointerRegisterToSaveRestore. 27754f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner if (unsigned SP = TLI.getStackPointerRegisterToSaveRestore()) { 2776c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = DAG.getCopyFromReg(Result.getOperand(0), SP, 27774f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Node->getValueType(0)); 2778c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Tmp1.getValue(1); 27794f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } else { 2780c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = DAG.getNode(ISD::UNDEF, Node->getValueType(0)); 2781c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Node->getOperand(0); 27824f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } 2783456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2784140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2785456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2786456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Since stacksave produce two values, make sure to remember that we 2787456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // legalized both of them. 2788475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2789475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 279099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 2791456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2792140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case ISD::STACKRESTORE: 2793140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2794140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 2795c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 2796140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner 2797140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner switch (TLI.getOperationAction(ISD::STACKRESTORE, MVT::Other)) { 2798140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner default: assert(0 && "This action is not supported yet!"); 2799456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2800456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2801456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2802ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2803140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2804140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case TargetLowering::Expand: 28054f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // Expand to CopyToReg if the target set 28064f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // StackPointerRegisterToSaveRestore. 28074f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner if (unsigned SP = TLI.getStackPointerRegisterToSaveRestore()) { 28084f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Result = DAG.getCopyToReg(Tmp1, SP, Tmp2); 28094f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } else { 28104f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Result = Tmp1; 28114f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } 2812140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2813140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2814140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2815140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner 281651b8d54922350b7e1c2cd5a5183ef2c5f5d1b1d5Andrew Lenharth case ISD::READCYCLECOUNTER: 281751b8d54922350b7e1c2cd5a5183ef2c5f5d1b1d5Andrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain 2818c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 2819f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng switch (TLI.getOperationAction(ISD::READCYCLECOUNTER, 2820f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng Node->getValueType(0))) { 2821f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng default: assert(0 && "This action is not supported yet!"); 28226a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng case TargetLowering::Legal: 28236a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp1 = Result.getValue(0); 28246a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp2 = Result.getValue(1); 28256a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng break; 2826f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng case TargetLowering::Custom: 2827f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng Result = TLI.LowerOperation(Result, DAG); 28286a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp1 = LegalizeOp(Result.getValue(0)); 28296a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp2 = LegalizeOp(Result.getValue(1)); 2830f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng break; 2831f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng } 283249c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth 283349c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth // Since rdcc produce two values, make sure to remember that we legalized 283449c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth // both of them. 2835475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2836475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 2837c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner return Result; 2838f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 28392ee743ff9be43c350075a2fa15d11a79bff36775Chris Lattner case ISD::SELECT: 284047e9223e06390897c3834f8c527001df392570ffChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 284147e9223e06390897c3834f8c527001df392570ffChris Lattner case Expand: assert(0 && "It's impossible to expand bools"); 284247e9223e06390897c3834f8c527001df392570ffChris Lattner case Legal: 284347e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the condition. 284447e9223e06390897c3834f8c527001df392570ffChris Lattner break; 28452e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman case Promote: { 28460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(!Node->getOperand(0).getValueType().isVector() && "not possible"); 284747e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); // Promote the condition. 2848b6c806045bbd4a650f90f613a96cee01a1584412Chris Lattner // Make sure the condition is either zero or one. 28492e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned BitWidth = Tmp1.getValueSizeInBits(); 2850ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman if (!DAG.MaskedValueIsZero(Tmp1, 28512e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman APInt::getHighBitsSet(BitWidth, BitWidth-1))) 2852b6c806045bbd4a650f90f613a96cee01a1584412Chris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, MVT::i1); 285347e9223e06390897c3834f8c527001df392570ffChris Lattner break; 285447e9223e06390897c3834f8c527001df392570ffChris Lattner } 28552e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman } 28563e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // TrueVal 28572ee743ff9be43c350075a2fa15d11a79bff36775Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // FalseVal 285855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner 2859c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2860456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2861b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman switch (TLI.getOperationAction(ISD::SELECT, Tmp2.getValueType())) { 286255ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner default: assert(0 && "This action is not supported yet!"); 2863456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2864456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: { 2865456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2866ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2867456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2868456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 28699373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case TargetLowering::Expand: 28709373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman if (Tmp1.getOpcode() == ISD::SETCC) { 28719373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getSelectCC(Tmp1.getOperand(0), Tmp1.getOperand(1), 28729373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2, Tmp3, 28739373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman cast<CondCodeSDNode>(Tmp1.getOperand(2))->get()); 28749373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } else { 28759373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getSelectCC(Tmp1, 28769373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman DAG.getConstant(0, Tmp1.getValueType()), 28779373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2, Tmp3, ISD::SETNE); 28789373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 287955ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 288055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Promote: { 288183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = 288255ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner TLI.getTypeToPromoteTo(ISD::SELECT, Tmp2.getValueType()); 288355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner unsigned ExtOp, TruncOp; 288483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Tmp2.getValueType().isVector()) { 288541f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng ExtOp = ISD::BIT_CONVERT; 288641f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng TruncOp = ISD::BIT_CONVERT; 288783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (Tmp2.getValueType().isInteger()) { 2888456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner ExtOp = ISD::ANY_EXTEND; 2889456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner TruncOp = ISD::TRUNCATE; 289055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } else { 2891456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner ExtOp = ISD::FP_EXTEND; 2892456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner TruncOp = ISD::FP_ROUND; 289355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 289455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner // Promote each of the values to the new type. 289555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Tmp2 = DAG.getNode(ExtOp, NVT, Tmp2); 289655ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Tmp3 = DAG.getNode(ExtOp, NVT, Tmp3); 289755ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner // Perform the larger operation, then round down. 289855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Result = DAG.getNode(ISD::SELECT, NVT, Tmp1, Tmp2,Tmp3); 28990bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TruncOp != ISD::FP_ROUND) 29000bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(TruncOp, Node->getValueType(0), Result); 29010bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner else 29020bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(TruncOp, Node->getValueType(0), Result, 29030bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(0)); 290455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 290555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 290655ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 29073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2908750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SELECT_CC: { 2909750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = Node->getOperand(0); // LHS 2910750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(1); // RHS 29119373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); // True 29129373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp4 = LegalizeOp(Node->getOperand(3)); // False 2913475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CC = Node->getOperand(4); 29149373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 291553e4e4478c69c2c2115db833b54385117c764d14Dale Johannesen LegalizeSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, CC); 2916750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 29177f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // If we didn't get both a LHS and RHS back from LegalizeSetCC, 2918750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the LHS is a legal SETCC itself. In this case, we need to compare 2919750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the result against zero to select between true and false values. 2920ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode() == 0) { 2921750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getConstant(0, Tmp1.getValueType()); 2922750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman CC = DAG.getCondCode(ISD::SETNE); 2923750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 2924750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4, CC); 2925750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2926750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Everything is legal, see if we should expand this op or something. 2927750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (TLI.getOperationAction(ISD::SELECT_CC, Tmp3.getValueType())) { 2928750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "This action is not supported yet!"); 2929750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case TargetLowering::Legal: break; 2930750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case TargetLowering::Custom: 2931750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = TLI.LowerOperation(Result, DAG); 2932ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 29339373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 29349373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 29359373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 2936750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 29373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SETCC: 2938750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = Node->getOperand(0); 2939750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(1); 2940750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = Node->getOperand(2); 29417f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCC(Node->getValueType(0), Tmp1, Tmp2, Tmp3); 2942750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2943750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If we had to Expand the SetCC operands into a SELECT node, then it may 2944750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // not always be possible to return a true LHS & RHS. In this case, just 2945750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // return the value we legalized, returned in the LHS 2946ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode() == 0) { 2947750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = Tmp1; 29483e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 29493e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 2950b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman 295173e142f2b6a3b5223de2d557d646f319ca8168cfChris Lattner switch (TLI.getOperationAction(ISD::SETCC, Tmp1.getValueType())) { 2952456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner default: assert(0 && "Cannot handle this action for SETCC yet!"); 2953456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2954456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 2955456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH. 2956456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 29572b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2958456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 29592b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp4 = TLI.LowerOperation(Result, DAG); 2960ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) Result = Tmp4; 2961456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 2962b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman break; 2963ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth case TargetLowering::Promote: { 2964ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // First step, figure out the appropriate operation to use. 2965ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Allow SETCC to not be supported for all legal data types 2966ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Mostly this targets FP 296783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewInTy = Node->getOperand(0).getValueType(); 296883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OldVT = NewInTy; OldVT = OldVT; 2969ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 2970ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Scan for the appropriate larger type to use. 2971ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth while (1) { 297283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); 2973ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 297483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isInteger() == OldVT.isInteger() && 2975ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth "Fell off of the edge of the integer world"); 297683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isFloatingPoint() == OldVT.isFloatingPoint() && 2977ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth "Fell off of the edge of the floating point world"); 2978ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 2979ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // If the target supports SETCC of this type, use it. 29801ccf26a6392034a11827aeaa0d58d025ecb2b85aChris Lattner if (TLI.isOperationLegal(ISD::SETCC, NewInTy)) 2981ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth break; 2982ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 298383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NewInTy.isInteger()) 2984ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth assert(0 && "Cannot promote Legal Integer SETCC yet"); 2985ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth else { 2986ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth Tmp1 = DAG.getNode(ISD::FP_EXTEND, NewInTy, Tmp1); 2987ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth Tmp2 = DAG.getNode(ISD::FP_EXTEND, NewInTy, Tmp2); 2988ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 2989c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp1); 2990c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp2); 29912b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2992433f8acefb78f1c8a2cf79c12b101ce7c4b20202Evan Cheng Result = LegalizeOp(Result); 29935e3efbc2ca459621400211f7370d7f121d4827d9Andrew Lenharth break; 2994ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 2995b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman case TargetLowering::Expand: 2996b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman // Expand a setcc node into a select_cc of the same condition, lhs, and 2997b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman // rhs that selects between const 1 (true) and const 0 (false). 299883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 2999b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman Result = DAG.getNode(ISD::SELECT_CC, VT, Tmp1, Tmp2, 3000b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman DAG.getConstant(1, VT), DAG.getConstant(0, VT), 30012b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp3); 3002b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman break; 3003b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman } 30043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 3005b43e9c196542acc80c9e4643809661065710848fNate Begeman case ISD::VSETCC: { 3006b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3007b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3008475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CC = Node->getOperand(2); 3009b43e9c196542acc80c9e4643809661065710848fNate Begeman 3010b43e9c196542acc80c9e4643809661065710848fNate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, CC); 3011b43e9c196542acc80c9e4643809661065710848fNate Begeman 3012b43e9c196542acc80c9e4643809661065710848fNate Begeman // Everything is legal, see if we should expand this op or something. 3013b43e9c196542acc80c9e4643809661065710848fNate Begeman switch (TLI.getOperationAction(ISD::VSETCC, Tmp1.getValueType())) { 3014b43e9c196542acc80c9e4643809661065710848fNate Begeman default: assert(0 && "This action is not supported yet!"); 3015b43e9c196542acc80c9e4643809661065710848fNate Begeman case TargetLowering::Legal: break; 3016b43e9c196542acc80c9e4643809661065710848fNate Begeman case TargetLowering::Custom: 3017b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp1 = TLI.LowerOperation(Result, DAG); 3018ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3019b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 3020b43e9c196542acc80c9e4643809661065710848fNate Begeman } 3021b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 3022b43e9c196542acc80c9e4643809661065710848fNate Begeman } 302352d08bd9d8a8dcc06148525c7fad6f2ebcad0a42Chris Lattner 30245b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SHL_PARTS: 30255b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SRA_PARTS: 30265b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SRL_PARTS: { 3027475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 302884f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner bool Changed = false; 302984f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 303084f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 303184f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner Changed |= Ops.back() != Node->getOperand(i); 303284f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner } 3033c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Changed) 3034f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 30352c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 303605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), 303705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Node->getValueType(0))) { 303805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng default: assert(0 && "This action is not supported yet!"); 3039456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3040456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3041456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3042ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 3043475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2, RetVal(0, 0); 304405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) { 3045456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = LegalizeOp(Tmp1.getValue(i)); 3046475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Tmp2); 304799a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif if (i == Op.getResNo()) 304812f2274ba8c6af21e8b6c71ef872afe43a64b6d7Evan Cheng RetVal = Tmp2; 304905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 3050ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(RetVal.getNode() && "Illegal result number"); 305105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng return RetVal; 305205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 305305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng break; 305405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 305505a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 30562c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Since these produce multiple values, make sure to remember that we 30572c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // legalized all of them. 30582c8086f4b9916b2d02842be5e375276023225fbaChris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 3059475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Result.getValue(i)); 306099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 306184f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner } 30622c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 30632c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Binary operators 30643e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ADD: 30653e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SUB: 30663e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::MUL: 3067c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MULHS: 3068c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MULHU: 30693e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::UDIV: 30703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SDIV: 30713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::AND: 30723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::OR: 30733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::XOR: 307403c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SHL: 307503c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SRL: 307603c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SRA: 307701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FADD: 307801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FSUB: 307901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FMUL: 308001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FDIV: 3081826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 30823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3083f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth switch (getTypeAction(Node->getOperand(1).getValueType())) { 3084f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Expand: assert(0 && "Not possible"); 3085f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Legal: 3086f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the RHS. 3087f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth break; 3088f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Promote: 3089f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the RHS. 3090f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth break; 3091f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth } 30925bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman 30935bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman if ((Node->getOpcode() == ISD::SHL || 30945bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Node->getOpcode() == ISD::SRL || 30955bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Node->getOpcode() == ISD::SRA) && 30965bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman !Node->getValueType(0).isVector()) { 30975bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman if (TLI.getShiftAmountTy().bitsLT(Tmp2.getValueType())) 30985bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Tmp2 = DAG.getNode(ISD::TRUNCATE, TLI.getShiftAmountTy(), Tmp2); 30995bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman else if (TLI.getShiftAmountTy().bitsGT(Tmp2.getValueType())) 31005bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Tmp2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Tmp2); 31015bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman } 31025bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman 3103c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3104aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang 3105e8f65f1e62ea1d4f2ca9fd0137ae2e0ce20e26e1Andrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3106bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner default: assert(0 && "BinOp legalize operation not supported"); 3107456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3108456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3109456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3110ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 31115bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Result = Tmp1; 31125bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman break; 311324dc346a16397bf740d8d961cd1ebec8d2f46957Nate Begeman } 31145bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman // Fall through if the custom lower can't deal with the operation 3115bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner case TargetLowering::Expand: { 311683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 31170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 3118525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // See if multiply or divide can be lowered using two-result operations. 3119525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman SDVTList VTs = DAG.getVTList(VT, VT); 3120525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MUL) { 3121525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We just need the low half of the multiply; try both the signed 3122525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // and unsigned forms. If the target supports both SMUL_LOHI and 3123525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // UMUL_LOHI, form a preference by checking which forms of plain 3124525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // MULH it supports. 3125525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasSMUL_LOHI = TLI.isOperationLegal(ISD::SMUL_LOHI, VT); 3126525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasUMUL_LOHI = TLI.isOperationLegal(ISD::UMUL_LOHI, VT); 3127525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, VT); 3128525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, VT); 3129525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned OpToUse = 0; 3130525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasSMUL_LOHI && !HasMULHS) { 3131525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::SMUL_LOHI; 3132525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasUMUL_LOHI && !HasMULHU) { 3133525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::UMUL_LOHI; 3134525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasSMUL_LOHI) { 3135525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::SMUL_LOHI; 3136525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasUMUL_LOHI) { 3137525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::UMUL_LOHI; 3138525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3139525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (OpToUse) { 3140ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(OpToUse, VTs, Tmp1, Tmp2).getNode(), 0); 3141525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3142525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3143525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3144525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MULHS && 3145525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SMUL_LOHI, VT)) { 314631d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 314731d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 1); 3148525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3149525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3150525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MULHU && 3151525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UMUL_LOHI, VT)) { 315231d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 315331d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 1); 3154525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3155525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3156525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::SDIV && 3157525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SDIVREM, VT)) { 315831d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 315931d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 0); 3160525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3161525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3162525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::UDIV && 3163525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UDIVREM, VT)) { 316431d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 316531d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 0); 3166525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3167525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 31680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 3169826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Check to see if we have a libcall for this operator. 3170826695281344e3a4c4d44d73dd155107aafd689bDan Gohman RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 3171826695281344e3a4c4d44d73dd155107aafd689bDan Gohman bool isSigned = false; 3172826695281344e3a4c4d44d73dd155107aafd689bDan Gohman switch (Node->getOpcode()) { 3173826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::UDIV: 3174826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::SDIV: 3175826695281344e3a4c4d44d73dd155107aafd689bDan Gohman if (VT == MVT::i32) { 3176826695281344e3a4c4d44d73dd155107aafd689bDan Gohman LC = Node->getOpcode() == ISD::UDIV 31770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ? RTLIB::UDIV_I32 : RTLIB::SDIV_I32; 3178826695281344e3a4c4d44d73dd155107aafd689bDan Gohman isSigned = Node->getOpcode() == ISD::SDIV; 3179826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3180826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 318131d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner case ISD::MUL: 318231d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner if (VT == MVT::i32) 318331d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner LC = RTLIB::MUL_I32; 318431d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner break; 3185826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 3186007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80, 3187007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::POW_PPCF128); 3188826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3189826695281344e3a4c4d44d73dd155107aafd689bDan Gohman default: break; 3190826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3191826695281344e3a4c4d44d73dd155107aafd689bDan Gohman if (LC != RTLIB::UNKNOWN_LIBCALL) { 3192475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3193460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, isSigned, Dummy); 319452cc1ea2a1a374b58801398460a6289723089d91Evan Cheng break; 319552cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } 31960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 319783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Node->getValueType(0).isVector() && 3198bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner "Cannot expand this binary operator!"); 3199bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner // Expand the operation into a bunch of nasty scalar code. 3200826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3201bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner break; 3202bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner } 3203cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case TargetLowering::Promote: { 3204cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng switch (Node->getOpcode()) { 3205cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng default: assert(0 && "Do not know how to promote this BinOp!"); 3206cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::AND: 3207cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::OR: 3208cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::XOR: { 320983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getValueType(0); 321083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 321183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(OVT.isVector() && "Cannot promote this BinOp!"); 3212cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng // Bit convert each of the values to the new type. 3213cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); 3214cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); 3215cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 3216cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng // Bit convert the result back the original type. 3217cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); 3218cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng break; 3219cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3220cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3221cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3222e8f65f1e62ea1d4f2ca9fd0137ae2e0ce20e26e1Andrew Lenharth } 32233e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 3224a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3225e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::SMUL_LOHI: 3226e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::UMUL_LOHI: 3227e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::SDIVREM: 3228e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::UDIVREM: 3229e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman // These nodes will only be produced by target-specific lowering, so 3230e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman // they shouldn't be here if they aren't legal. 3231a7c97a7f5b82778ca5abfc3791c6b7f96b82a5faDuncan Sands assert(TLI.isOperationLegal(Node->getOpcode(), Node->getValueType(0)) && 3232e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman "This must be legal!"); 3233525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 3234525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3235525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3236525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3237e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman break; 3238e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman 3239a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case ISD::FCOPYSIGN: // FCOPYSIGN does not require LHS/RHS to match type! 3240a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3241a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner switch (getTypeAction(Node->getOperand(1).getValueType())) { 3242a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Expand: assert(0 && "Not possible"); 3243a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Legal: 3244a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the RHS. 3245a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3246a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Promote: 3247a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the RHS. 3248a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3249a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner } 3250a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3251a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3252a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3253a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3254a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner default: assert(0 && "Operation not supported"); 3255a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case TargetLowering::Custom: 3256a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3257ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 32588f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner break; 3259a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case TargetLowering::Legal: break; 3260912095becac923ff614d7b07728eb345ada67765Evan Cheng case TargetLowering::Expand: { 3261636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng // If this target supports fabs/fneg natively and select is cheap, 3262636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng // do this efficiently. 3263636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng if (!TLI.isSelectExpensive() && 3264636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TLI.getOperationAction(ISD::FABS, Tmp1.getValueType()) == 3265636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TargetLowering::Legal && 3266912095becac923ff614d7b07728eb345ada67765Evan Cheng TLI.getOperationAction(ISD::FNEG, Tmp1.getValueType()) == 3267636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TargetLowering::Legal) { 32688f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Get the sign bit of the RHS. 326983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT IVT = 32708f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Tmp2.getValueType() == MVT::f32 ? MVT::i32 : MVT::i64; 3271475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit = DAG.getNode(ISD::BIT_CONVERT, IVT, Tmp2); 32725b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel SignBit = DAG.getSetCC(TLI.getSetCCResultType(SignBit), 32738f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner SignBit, DAG.getConstant(0, IVT), ISD::SETLT); 32748f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Get the absolute value of the result. 3275475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue AbsVal = DAG.getNode(ISD::FABS, Tmp1.getValueType(), Tmp1); 32768f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Select between the nabs and abs value based on the sign bit of 32778f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // the input. 32788f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Result = DAG.getNode(ISD::SELECT, AbsVal.getValueType(), SignBit, 32798f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner DAG.getNode(ISD::FNEG, AbsVal.getValueType(), 32808f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner AbsVal), 32818f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner AbsVal); 32828f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Result = LegalizeOp(Result); 32838f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner break; 32848f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner } 32858f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner 32868f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Otherwise, do bitwise ops! 328783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = 3288912095becac923ff614d7b07728eb345ada67765Evan Cheng Node->getValueType(0) == MVT::f32 ? MVT::i32 : MVT::i64; 3289912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = ExpandFCOPYSIGNToBitwiseOps(Node, NVT, DAG, TLI); 3290912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), Result); 3291912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = LegalizeOp(Result); 3292a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3293a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner } 3294912095becac923ff614d7b07728eb345ada67765Evan Cheng } 3295a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3296a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3297551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::ADDC: 3298551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::SUBC: 3299551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); 3300551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); 3301551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3302d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp3 = Result.getValue(0); 3303d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = Result.getValue(1); 3304d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta 3305d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3306d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta default: assert(0 && "This action is not supported yet!"); 3307d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Legal: 3308d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3309d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Custom: 3310d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp1 = TLI.LowerOperation(Tmp3, DAG); 3311d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta if (Tmp1.getNode() != NULL) { 33129b0f0b5e1505dcd4ec0da87ea9e29c59d98a8d27Sanjiv Gupta Tmp3 = LegalizeOp(Tmp1); 3313d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = LegalizeOp(Tmp1.getValue(1)); 3314d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3315d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3316d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3317551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Since this produces two values, make sure to remember that we legalized 3318551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // both of them. 3319d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 0), Tmp3); 3320d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 1), Tmp4); 3321d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta return Op.getResNo() ? Tmp4 : Tmp3; 3322edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 3323551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::ADDE: 3324551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::SUBE: 3325551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); 3326551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); 3327551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); 3328551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 3329d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp3 = Result.getValue(0); 3330d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = Result.getValue(1); 3331d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta 3332d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3333d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta default: assert(0 && "This action is not supported yet!"); 3334d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Legal: 3335d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3336d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Custom: 3337d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp1 = TLI.LowerOperation(Tmp3, DAG); 3338d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta if (Tmp1.getNode() != NULL) { 33399b0f0b5e1505dcd4ec0da87ea9e29c59d98a8d27Sanjiv Gupta Tmp3 = LegalizeOp(Tmp1); 3340d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = LegalizeOp(Tmp1.getValue(1)); 3341d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3342d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3343d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3344551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Since this produces two values, make sure to remember that we legalized 3345551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // both of them. 3346d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 0), Tmp3); 3347d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 1), Tmp4); 3348d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta return Op.getResNo() ? Tmp4 : Tmp3; 3349551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 3350419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case ISD::BUILD_PAIR: { 335183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PairTy = Node->getValueType(0); 3352419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman // TODO: handle the case where the Lo and Hi operands are not of legal type 3353419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Lo 3354419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Hi 3355419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman switch (TLI.getOperationAction(ISD::BUILD_PAIR, PairTy)) { 3356456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3357456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3358456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner assert(0 && "Cannot promote/custom this yet!"); 3359419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case TargetLowering::Legal: 3360419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1)) 3361419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Result = DAG.getNode(ISD::BUILD_PAIR, PairTy, Tmp1, Tmp2); 3362419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3363419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case TargetLowering::Expand: 3364419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, PairTy, Tmp1); 3365419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = DAG.getNode(ISD::ANY_EXTEND, PairTy, Tmp2); 3366419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = DAG.getNode(ISD::SHL, PairTy, Tmp2, 336783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(PairTy.getSizeInBits()/2, 3368419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman TLI.getShiftAmountTy())); 3369456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::OR, PairTy, Tmp1, Tmp2); 3370419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3371419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman } 3372419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3373419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman } 3374419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman 3375c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman case ISD::UREM: 3376c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman case ISD::SREM: 337701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FREM: 3378c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3379c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3380456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3381c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3382456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: assert(0 && "Cannot promote this yet!"); 3383456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3384456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3385456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 338657030e36e41ebd982a24632e7cea5b584b2d49fcAndrew Lenharth case TargetLowering::Legal: 3387c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3388456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3389456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3390ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3391456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 339257030e36e41ebd982a24632e7cea5b584b2d49fcAndrew Lenharth break; 3393525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman case TargetLowering::Expand: { 33946b5578f052c2405c0d622192ccacfd47563c99a8Evan Cheng unsigned DivOpc= (Node->getOpcode() == ISD::UREM) ? ISD::UDIV : ISD::SDIV; 339547857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer bool isSigned = DivOpc == ISD::SDIV; 339683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3397525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 3398525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // See if remainder can be lowered using two-result operations. 3399525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman SDVTList VTs = DAG.getVTList(VT, VT); 3400525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::SREM && 3401525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SDIVREM, VT)) { 3402ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 1); 3403525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3404525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3405525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::UREM && 3406525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UDIVREM, VT)) { 3407ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 1); 3408525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3409525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3410525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 341183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isInteger()) { 3412525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (TLI.getOperationAction(DivOpc, VT) == 341352cc1ea2a1a374b58801398460a6289723089d91Evan Cheng TargetLowering::Legal) { 341452cc1ea2a1a374b58801398460a6289723089d91Evan Cheng // X % Y -> X-X/Y*Y 34156b5578f052c2405c0d622192ccacfd47563c99a8Evan Cheng Result = DAG.getNode(DivOpc, VT, Tmp1, Tmp2); 341652cc1ea2a1a374b58801398460a6289723089d91Evan Cheng Result = DAG.getNode(ISD::MUL, VT, Result, Tmp2); 341752cc1ea2a1a374b58801398460a6289723089d91Evan Cheng Result = DAG.getNode(ISD::SUB, VT, Tmp1, Result); 341883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (VT.isVector()) { 341980176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 342052cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } else { 3421525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman assert(VT == MVT::i32 && 342252cc1ea2a1a374b58801398460a6289723089d91Evan Cheng "Cannot expand this binary operator!"); 342356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = Node->getOpcode() == ISD::UREM 342456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng ? RTLIB::UREM_I32 : RTLIB::SREM_I32; 3425475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3426460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, isSigned, Dummy); 342752cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } 34280d97426b7b3d57cc3ff651a400b758733f2058a8Dan Gohman } else { 342983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isFloatingPoint() && 34300d97426b7b3d57cc3ff651a400b758733f2058a8Dan Gohman "remainder op must have integer or floating-point type"); 343183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 343280176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 343380176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman } else { 343480176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman // Floating point mod -> fmod libcall. 3435007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::REM_F32, RTLIB::REM_F64, 3436007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::REM_F80, RTLIB::REM_PPCF128); 3437475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3438460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 343980176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman } 3440c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman } 3441c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman break; 3442c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman } 3443525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3444c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman break; 3445acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAARG: { 3446acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3447acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3448acc398c195a697795bff3245943d104eb19192b9Nate Begeman 344983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3450acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { 3451acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3452456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3453456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3454456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3455acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3456c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3457c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = Result.getValue(0); 3458456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Result.getValue(1); 3459456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3460456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3461456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = TLI.LowerOperation(Result, DAG); 3462ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode()) { 3463456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Tmp2); 3464456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = LegalizeOp(Tmp2.getValue(1)); 3465456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3466456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3467acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3468acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: { 346969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); 3470475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); 3471acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Increment the pointer, VAList, to the next vaarg 34725c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, 34735c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands DAG.getConstant(TLI.getTargetData()->getABITypeSize(VT.getTypeForMVT()), 34745c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands TLI.getPointerTy())); 3475acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Store the incremented VAList to the legalized pointer 347669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); 3477acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Load the actual argument out of the pointer VAList 3478466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.getLoad(VT, Tmp3, VAList, NULL, 0); 3479456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = LegalizeOp(Result.getValue(1)); 3480acc398c195a697795bff3245943d104eb19192b9Nate Begeman Result = LegalizeOp(Result); 3481acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3482acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3483acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3484acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Since VAARG produces two values, make sure to remember that we 3485acc398c195a697795bff3245943d104eb19192b9Nate Begeman // legalized both of them. 3486475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result); 3487475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp1); 348899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp1 : Result; 3489acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3490acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3491acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VACOPY: 3492acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3493acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the dest pointer. 3494acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the source pointer. 3495acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3496acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VACOPY, MVT::Other)) { 3497acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3498456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3499456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3500456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3501acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3502c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, 3503c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Node->getOperand(3), Node->getOperand(4)); 3504456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3505456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3506ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3507456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3508acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3509acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: 3510acc398c195a697795bff3245943d104eb19192b9Nate Begeman // This defaults to loading a pointer from the input and storing it to the 3511acc398c195a697795bff3245943d104eb19192b9Nate Begeman // output, returning the chain. 351269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *VD = cast<SrcValueSDNode>(Node->getOperand(3))->getValue(); 351369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *VS = cast<SrcValueSDNode>(Node->getOperand(4))->getValue(); 3514499c1bd358917ad64ed3dcc32492dd38e1a47706Dan Gohman Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, VS, 0); 3515499c1bd358917ad64ed3dcc32492dd38e1a47706Dan Gohman Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, VD, 0); 3516acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3517acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3518acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3519acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3520acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAEND: 3521acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3522acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3523acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3524acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VAEND, MVT::Other)) { 3525acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3526456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3527456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3528456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3529acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3530c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3531456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3532456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Tmp1, DAG); 3533ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3534456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3535acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3536acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: 3537acc398c195a697795bff3245943d104eb19192b9Nate Begeman Result = Tmp1; // Default to a no-op, return the chain 3538acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3539acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3540acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3541acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3542acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VASTART: 3543acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3544acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3545acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3546c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3547c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner 3548acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VASTART, MVT::Other)) { 3549acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3550456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3551456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3552456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3553ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3554acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3555acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3556acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3557acc398c195a697795bff3245943d104eb19192b9Nate Begeman 355835ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman case ISD::ROTL: 355935ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman case ISD::ROTR: 356035ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 356135ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3562c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3563c9dc11457809b6641de853af2261721a97ad1f26Scott Michel switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3564c9dc11457809b6641de853af2261721a97ad1f26Scott Michel default: 3565c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "ROTL/ROTR legalize operation not supported"); 3566c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3567c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Legal: 3568c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3569c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Custom: 3570c9dc11457809b6641de853af2261721a97ad1f26Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3571ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3572c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3573c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Promote: 3574c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "Do not know how to promote ROTL/ROTR"); 3575c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3576c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Expand: 3577c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "Do not know how to expand ROTL/ROTR"); 3578c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3579c9dc11457809b6641de853af2261721a97ad1f26Scott Michel } 358035ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman break; 358135ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman 3582d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: 3583d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Op 3584d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3585456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3586456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner assert(0 && "Cannot custom legalize this yet!"); 3587456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 3588c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3589456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3590456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: { 359183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Tmp1.getValueType(); 359283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 359383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned DiffBits = NVT.getSizeInBits() - OVT.getSizeInBits(); 3594456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3595456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 3596456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::BSWAP, NVT, Tmp1); 3597456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRL, NVT, Tmp1, 3598456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner DAG.getConstant(DiffBits, TLI.getShiftAmountTy())); 3599456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3600456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3601456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Expand: 3602456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = ExpandBSWAP(Tmp1); 3603456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3604d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman } 3605d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 3606d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman 3607691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTPOP: 3608691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTTZ: 3609691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTLZ: 3610691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Op 3611691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3612910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel case TargetLowering::Custom: 3613691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Legal: 3614c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3615910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 3616335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel TargetLowering::Custom) { 3617335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3618ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 3619335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel Result = Tmp1; 3620335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel } 3621910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel } 3622691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3623691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Promote: { 362483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Tmp1.getValueType(); 362583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 3626edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 3627edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner // Zero extend the argument. 3628691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 3629691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth // Perform the larger operation, then subtract if needed. 3630691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1); 3631456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch (Node->getOpcode()) { 3632691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTPOP: 3633691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Result = Tmp1; 3634691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3635691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTTZ: 3636691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth //if Tmp1 == sizeinbits(NVT) then Tmp1 = sizeinbits(Old VT) 36375b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, 363883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits(), NVT), 36397cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETEQ); 364000b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SELECT, NVT, Tmp2, 364183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(OVT.getSizeInBits(), NVT), Tmp1); 3642691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3643691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTLZ: 3644456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Tmp1 = Tmp1 - (sizeinbits(NVT) - sizeinbits(Old VT)) 364500b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SUB, NVT, Tmp1, 364683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 364783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands OVT.getSizeInBits(), NVT)); 3648691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3649691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3650691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3651691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3652691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Expand: 3653456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = ExpandBitCount(Node->getOpcode(), Tmp1); 3654691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3655691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3656691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 365700b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen 36582c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Unary operators 36592c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FABS: 36602c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FNEG: 3661da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSQRT: 3662da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSIN: 3663da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FCOS: 36647794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 36657794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 36667794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 36677794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 36687794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 3669509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FTRUNC: 3670509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FFLOOR: 3671509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FCEIL: 3672509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FRINT: 3673509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FNEARBYINT: 36742c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 36752c8086f4b9916b2d02842be5e375276023225fbaChris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3676456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3677456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 367859ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng isCustom = true; 367959ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng // FALLTHROUGH 36802c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case TargetLowering::Legal: 3681c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 368259ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng if (isCustom) { 368359ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 3684ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 368559ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng } 36862c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 36872c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case TargetLowering::Expand: 3688456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch (Node->getOpcode()) { 3689456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner default: assert(0 && "Unreachable!"); 3690456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case ISD::FNEG: 36912c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Expand Y = FNEG(X) -> Y = SUB -0.0, X 36922c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp2 = DAG.getConstantFP(-0.0, Node->getValueType(0)); 3693456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::FSUB, Node->getValueType(0), Tmp2, Tmp1); 3694f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3695f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner case ISD::FABS: { 36964af6e0d7836126630f579b0a34f054321187f00bChris Lattner // Expand Y = FABS(X) -> Y = (X >u 0.0) ? X : fneg(X). 369783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 36984af6e0d7836126630f579b0a34f054321187f00bChris Lattner Tmp2 = DAG.getConstantFP(0.0, VT); 36995b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, 37005922f561c65968ef1865cc8434d191041e450602Nate Begeman ISD::SETUGT); 37014af6e0d7836126630f579b0a34f054321187f00bChris Lattner Tmp3 = DAG.getNode(ISD::FNEG, VT, Tmp1); 37024af6e0d7836126630f579b0a34f054321187f00bChris Lattner Result = DAG.getNode(ISD::SELECT, VT, Tmp2, Tmp1, Tmp3); 3703f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3704f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 37059d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FSQRT: 37069d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FSIN: 37079d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FCOS: 37087794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 37097794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 37107794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 37117794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 37127794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 37132bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 37142bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 37152bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 37162bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 37179d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FNEARBYINT: { 371883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3719826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3720826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Expand unsupported unary vector operators by unrolling them. 372183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 3722826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3723826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3724826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3725826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 372656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 3727f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner switch(Node->getOpcode()) { 372856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSQRT: 3729007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64, 3730007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128); 373156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 373256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSIN: 3733007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64, 3734007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SIN_F80, RTLIB::SIN_PPCF128); 373556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 373656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FCOS: 3737007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64, 3738007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::COS_F80, RTLIB::COS_PPCF128); 373956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 37407794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 37417794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64, 37427794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG_F80, RTLIB::LOG_PPCF128); 37437794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37447794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 37457794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64, 37467794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128); 37477794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37487794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 37497794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64, 37507794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128); 37517794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37527794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 37537794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64, 37547794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP_F80, RTLIB::EXP_PPCF128); 37557794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37567794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 37577794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64, 37587794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128); 37597794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37602bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 37612bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, 37622bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128); 37632bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37642bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 37652bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, 37662bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128); 37672bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37682bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 37692bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::CEIL_F32, RTLIB::CEIL_F64, 37702bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128); 37712bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37722bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 37732bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::RINT_F32, RTLIB::RINT_F64, 37742bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::RINT_F80, RTLIB::RINT_PPCF128); 37752bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37762bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 37772bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, 37782bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::NEARBYINT_F80, RTLIB::NEARBYINT_PPCF128); 37792bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37809d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng break; 3781f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner default: assert(0 && "Unreachable!"); 3782f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 3783475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3784460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 3785f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3786f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 37872c8086f4b9916b2d02842be5e375276023225fbaChris Lattner } 37882c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 37892c8086f4b9916b2d02842be5e375276023225fbaChris Lattner } 37902c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 37916ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner case ISD::FPOWI: { 379283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3793826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3794826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Expand unsupported unary vector operators by unrolling them. 379583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 3796826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3797826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3798826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3799826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3800826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // We always lower FPOWI into a libcall. No target support for it yet. 3801007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64, 3802007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::POWI_F80, RTLIB::POWI_PPCF128); 3803475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3804460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 38056ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner break; 38066ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner } 380735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: 380867993f7b974cd17e4372a6b7b9f9cad5ed174df1Chris Lattner if (!isTypeLegal(Node->getOperand(0).getValueType())) { 38091401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 38101401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 381183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (Op.getOperand(0).getValueType().isVector()) { 38127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // The input has to be a vector type, we have to either scalarize it, pack 38137f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // it, or convert it based on whether the input vector type is legal. 3814ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = Node->getOperand(0).getNode(); 381599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = Node->getOperand(0).getResNo(); 381683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVal->getValueType(InIx).getVectorNumElements(); 381783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVal->getValueType(InIx).getVectorElementType(); 38187f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 38197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 38207f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // type. If so, convert to the vector type. 382183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 38227f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 382307a96765daedf180a7102d39fe56c499878312b7Dan Gohman // Turn this into a bit convert of the vector input. 38247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), 38257f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LegalizeOp(Node->getOperand(0))); 38267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 38277f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else if (NumElems == 1) { 38287f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Turn this into a bit convert of the scalar input. 38297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), 38307f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0))); 38317f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 38327f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else { 38337f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // FIXME: UNIMP! Store then reload 38347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(0 && "Cast from unsupported vector type not implemented yet!"); 38357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 383667993f7b974cd17e4372a6b7b9f9cad5ed174df1Chris Lattner } else { 383735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner switch (TLI.getOperationAction(ISD::BIT_CONVERT, 383835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Node->getOperand(0).getValueType())) { 383935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner default: assert(0 && "Unknown operation action!"); 384035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case TargetLowering::Expand: 38411401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 38421401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 384335481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 384435481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case TargetLowering::Legal: 384535481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3846c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 384735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 384835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 384935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 385035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 385177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 385277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 385377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (CvtCode) { 385477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang default: assert(0 && "Unknown cvt code!"); 385577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SF: 385677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_UF: 385777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 385877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FF: 385977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FS: 386077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FU: 386177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SS: 386277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SU: 386377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_US: 386477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_UU: { 386577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOp = Node->getOperand(1); 386677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOp = Node->getOperand(2); 386777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 386877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 386977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (getTypeAction(Node->getOperand(0).getValueType())) { 387077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 387177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Legal: 387277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Tmp1 = LegalizeOp(Node->getOperand(0)); 387377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.UpdateNodeOperands(Result, Tmp1, DTyOp, STyOp, 387477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp); 387577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 387677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TargetLowering::Custom) { 387777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Tmp1 = TLI.LowerOperation(Result, DAG); 387877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang if (Tmp1.getNode()) Result = Tmp1; 387977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 388077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 388177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Promote: 388277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = PromoteOp(Node->getOperand(0)); 388377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // For FP, make Op1 a i32 388477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 388577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(Result.getValueType(), Result, 388677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DTyOp, STyOp, RndOp, SatOp, CvtCode); 388777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 388877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 388977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 389077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 389177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } // end switch CvtCode 389277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 389377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 38942c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Conversion operators. The source and destination have different types. 3895fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::SINT_TO_FP: 3896fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::UINT_TO_FP: { 3897fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP; 38987f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = LegalizeINT_TO_FP(Result, isSigned, 38997f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Node->getValueType(0), Node->getOperand(0)); 3900fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3901fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3902fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::TRUNCATE: 3903fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3904fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Legal: 3905fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3906c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3907fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3908fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Expand: 3909fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 3910fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner 3911fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner // Since the result is legal, we should just be able to truncate the low 3912fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner // part of the source. 3913fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), Tmp1); 3914fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3915fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Promote: 3916fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = PromoteOp(Node->getOperand(0)); 3917fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, Op.getValueType(), Result); 3918fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3919fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3920fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3921d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 3922fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::FP_TO_SINT: 3923fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::FP_TO_UINT: 3924fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3925fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Legal: 3926f1fa74ee0d30dfdb854f7d3f5ee67437cc82e250Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3927f1fa74ee0d30dfdb854f7d3f5ee67437cc82e250Chris Lattner 39281618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))){ 39291618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner default: assert(0 && "Unknown operation action!"); 3930456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3931456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3932456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3933456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 3934c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3935456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3936456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3937ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3938456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3939456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3940456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3941456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = PromoteLegalFP_TO_INT(Tmp1, Node->getValueType(0), 3942456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Node->getOpcode() == ISD::FP_TO_SINT); 3943456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 39441618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner case TargetLowering::Expand: 3945d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman if (Node->getOpcode() == ISD::FP_TO_UINT) { 3946475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue True, False; 394783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getOperand(0).getValueType(); 394883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = Node->getValueType(0); 394973328d14acba0144f121b557ce0e1539c6a21a18Dale Johannesen const uint64_t zero[] = {0, 0}; 395083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands APFloat apf = APFloat(APInt(VT.getSizeInBits(), 2, zero)); 395183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands APInt x = APInt::getSignBit(NVT.getSizeInBits()); 3952c7773bf90ee4398ccdeb847db6330cf4507b832bDan Gohman (void)apf.convertFromAPInt(x, false, APFloat::rmNearestTiesToEven); 395373328d14acba0144f121b557ce0e1539c6a21a18Dale Johannesen Tmp2 = DAG.getConstantFP(apf, VT); 39545b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp3 = DAG.getSetCC(TLI.getSetCCResultType(Node->getOperand(0)), 3955d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Node->getOperand(0), Tmp2, ISD::SETLT); 3956d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman True = DAG.getNode(ISD::FP_TO_SINT, NVT, Node->getOperand(0)); 3957d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman False = DAG.getNode(ISD::FP_TO_SINT, NVT, 395801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner DAG.getNode(ISD::FSUB, VT, Node->getOperand(0), 3959d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Tmp2)); 3960d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman False = DAG.getNode(ISD::XOR, NVT, False, 3961c7773bf90ee4398ccdeb847db6330cf4507b832bDan Gohman DAG.getConstant(x, NVT)); 3962456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SELECT, NVT, Tmp3, True, False); 3963456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3964d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } else { 3965d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman assert(0 && "Do not know how to expand FP_TO_SINT yet!"); 3966d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } 3967d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman break; 39681618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner } 3969fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 39706af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng case Expand: { 397183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 397283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getOperand(0).getValueType(); 3973fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // Convert ppcf128 to i32 39746eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen if (OVT == MVT::ppcf128 && VT == MVT::i32) { 39750bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (Node->getOpcode() == ISD::FP_TO_SINT) { 39760bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, MVT::ppcf128, 39770bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(0), DAG.getValueType(MVT::f64)); 39780bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, MVT::f64, Result, 39790bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(1)); 39800bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_TO_SINT, VT, Result); 39810bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } else { 3982fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen const uint64_t TwoE31[] = {0x41e0000000000000LL, 0}; 3983fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen APFloat apf = APFloat(APInt(128, 2, TwoE31)); 3984fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Tmp2 = DAG.getConstantFP(apf, OVT); 3985fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // X>=2^31 ? (int)(X-2^31)+0x80000000 : (int)X 3986fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // FIXME: generated code sucks. 3987fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Result = DAG.getNode(ISD::SELECT_CC, VT, Node->getOperand(0), Tmp2, 3988fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::ADD, MVT::i32, 3989fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_TO_SINT, VT, 3990fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FSUB, OVT, 3991fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Node->getOperand(0), Tmp2)), 3992fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getConstant(0x80000000, MVT::i32)), 3993fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_TO_SINT, VT, 3994fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Node->getOperand(0)), 3995fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getCondCode(ISD::SETGE)); 3996fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen } 39976eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen break; 39986eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen } 3999a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman // Convert f32 / f64 to i32 / i64 / i128. 4000b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = (Node->getOpcode() == ISD::FP_TO_SINT) ? 4001b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getFPTOSINT(OVT, VT) : RTLIB::getFPTOUINT(OVT, VT); 4002b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpectd fp-to-int conversion!"); 4003475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 4004460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 40056af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng break; 40066af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng } 4007fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Promote: 4008c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4009c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, LegalizeOp(Tmp1)); 4010c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = LegalizeOp(Result); 4011fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 4012fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 4013fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 4014d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 4015f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case ISD::FP_EXTEND: { 401683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT DstVT = Op.getValueType(); 401783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Op.getOperand(0).getValueType(); 40180bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TLI.getConvertAction(SrcVT, DstVT) == TargetLowering::Expand) { 40190bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // The only other way we can lower this is to turn it into a STORE, 40200bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // LOAD pair, targetting a temporary location (a stack slot). 40210bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = EmitStackConvert(Node->getOperand(0), SrcVT, DstVT); 40220bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 4023f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4024f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4025f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 4026f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Legal: 4027f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 4028f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 4029f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4030f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Promote: 4031f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4032f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Result = DAG.getNode(ISD::FP_EXTEND, Op.getValueType(), Tmp1); 4033f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4034f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4035f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 40360bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 40375411a3937f4303f9c3fc50be92f985a4532d95e6Dale Johannesen case ISD::FP_ROUND: { 403883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT DstVT = Op.getValueType(); 403983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Op.getOperand(0).getValueType(); 40400bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TLI.getConvertAction(SrcVT, DstVT) == TargetLowering::Expand) { 40410bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (SrcVT == MVT::ppcf128) { 4042475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo; 4043713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen ExpandOp(Node->getOperand(0), Lo, Result); 40440bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Round it the rest of the way (e.g. to f32) if needed. 4045713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen if (DstVT!=MVT::f64) 4046713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen Result = DAG.getNode(ISD::FP_ROUND, DstVT, Result, Op.getOperand(1)); 40470bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 40485411a3937f4303f9c3fc50be92f985a4532d95e6Dale Johannesen } 40490bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // The only other way we can lower this is to turn it into a STORE, 40500bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // LOAD pair, targetting a temporary location (a stack slot). 40510bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = EmitStackConvert(Node->getOperand(0), DstVT, DstVT); 40520bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 4053849f214a4e3676e41168b0c5398165c4d4fb99f8Dale Johannesen } 4054f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4055f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 4056f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Legal: 4057f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 40580bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 4059f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4060f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Promote: 4061f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 40620bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, Op.getValueType(), Tmp1, 40630bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(1)); 4064f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4065f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4066f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 40670bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 406813c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 40693e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ZERO_EXTEND: 40703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SIGN_EXTEND: 40713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4072456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 40733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 40743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 407582747a54849d22c3a0b7c3b56399da9b9e020ee0Scott Michel Result = DAG.UpdateNodeOperands(Result, Tmp1); 40760123b7dcfa9be97588926407163deb8d603487ceScott Michel if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 40770123b7dcfa9be97588926407163deb8d603487ceScott Michel TargetLowering::Custom) { 407882747a54849d22c3a0b7c3b56399da9b9e020ee0Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 4079ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 40800123b7dcfa9be97588926407163deb8d603487ceScott Michel } 40813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 408203c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Promote: 408303c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (Node->getOpcode()) { 408413c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 4085c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4086c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Tmp1); 408713c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner break; 40881713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner case ISD::ZERO_EXTEND: 40891713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = PromoteOp(Node->getOperand(0)); 409013c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Result); 409123993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 409223993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 409303c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 409403c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::SIGN_EXTEND: 40951713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = PromoteOp(Node->getOperand(0)); 409613c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Result); 40971713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 409815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result, 409915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 41001713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner break; 410103c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 41023e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 41033e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 41040f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::FP_ROUND_INREG: 410523993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner case ISD::SIGN_EXTEND_INREG: { 41060f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 410783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = cast<VTSDNode>(Node->getOperand(1))->getVT(); 410845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner 410945b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // If this operation is not supported, convert it to a shl/shr or load/store 411045b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // pair. 411155ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), ExtraVT)) { 411255ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner default: assert(0 && "This action not supported for this op yet!"); 411355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Legal: 4114c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 411555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 411655ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Expand: 411745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // If this is an integer extend and shifts are supported, do that. 411823993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner if (Node->getOpcode() == ISD::SIGN_EXTEND_INREG) { 411945b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // NOTE: we could fall back on load/store here too for targets without 412045b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // SAR. However, it is doubtful that any exist. 412183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned BitsDiff = Node->getValueType(0).getSizeInBits() - 412283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands ExtraVT.getSizeInBits(); 4123475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftCst = DAG.getConstant(BitsDiff, TLI.getShiftAmountTy()); 412445b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result = DAG.getNode(ISD::SHL, Node->getValueType(0), 412545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Node->getOperand(0), ShiftCst); 412645b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result = DAG.getNode(ISD::SRA, Node->getValueType(0), 412745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result, ShiftCst); 412845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } else if (Node->getOpcode() == ISD::FP_ROUND_INREG) { 41292d84c4c7b314242346dea1a7f48563333476a4d5Jim Laskey // The only way we can lower this is to turn it into a TRUNCSTORE, 413045b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // EXTLOAD pair, targetting a temporary location (a stack slot). 413145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner 413245b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // NOTE: there is a choice here between constantly creating new stack 413345b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // slots and always reusing the same one. We currently always create 413445b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // new ones, as reuse may inhibit scheduling. 4135a66bb39e9779ce17b7d16e311f4b73fddb2ede2fChris Lattner Result = EmitStackConvert(Node->getOperand(0), ExtraVT, 4136a66bb39e9779ce17b7d16e311f4b73fddb2ede2fChris Lattner Node->getValueType(0)); 413745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } else { 413845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner assert(0 && "Unknown op"); 413945b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 414055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 414145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 41420f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner break; 41433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 414436397f50343639ce9a25996f2d790c656791ab92Duncan Sands case ISD::TRAMPOLINE: { 4145475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[6]; 414636397f50343639ce9a25996f2d790c656791ab92Duncan Sands for (unsigned i = 0; i != 6; ++i) 414736397f50343639ce9a25996f2d790c656791ab92Duncan Sands Ops[i] = LegalizeOp(Node->getOperand(i)); 414836397f50343639ce9a25996f2d790c656791ab92Duncan Sands Result = DAG.UpdateNodeOperands(Result, Ops, 6); 414936397f50343639ce9a25996f2d790c656791ab92Duncan Sands // The only option for this node is to custom lower it. 415036397f50343639ce9a25996f2d790c656791ab92Duncan Sands Result = TLI.LowerOperation(Result, DAG); 4151ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode() && "Should always custom lower!"); 4152f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands 4153f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // Since trampoline produces two values, make sure to remember that we 4154f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // legalized both of them. 4155f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands Tmp1 = LegalizeOp(Result.getValue(1)); 4156f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands Result = LegalizeOp(Result); 4157475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result); 4158475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp1); 415999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp1 : Result; 416036397f50343639ce9a25996f2d790c656791ab92Duncan Sands } 41619c78a399076f8356a53ee67dca9c78e594e34967Dan Gohman case ISD::FLT_ROUNDS_: { 416283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 4163917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 4164917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov default: assert(0 && "This action not supported for this op yet!"); 4165917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov case TargetLowering::Custom: 4166917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 4167ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 4168917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // Fall Thru 4169917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov case TargetLowering::Legal: 4170917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // If this operation is not supported, lower it to constant 1 4171917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov Result = DAG.getConstant(1, VT); 4172917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov break; 4173917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov } 41749ab9ee8209c313713a54db2d9451751d8cfb9e2aDan Gohman break; 4175917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov } 417641bab0beac2600701af99f63e23a6b65f71468acChris Lattner case ISD::TRAP: { 417783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 417866fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 417966fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov default: assert(0 && "This action not supported for this op yet!"); 418041bab0beac2600701af99f63e23a6b65f71468acChris Lattner case TargetLowering::Legal: 418141bab0beac2600701af99f63e23a6b65f71468acChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 418241bab0beac2600701af99f63e23a6b65f71468acChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 418341bab0beac2600701af99f63e23a6b65f71468acChris Lattner break; 418466fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov case TargetLowering::Custom: 418566fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 4186ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 418766fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // Fall Thru 418841bab0beac2600701af99f63e23a6b65f71468acChris Lattner case TargetLowering::Expand: 418966fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // If this operation is not supported, lower it to 'abort()' call 419041bab0beac2600701af99f63e23a6b65f71468acChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 419166fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov TargetLowering::ArgListTy Args; 4192475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::pair<SDValue,SDValue> CallResult = 419300fee65fd21f9615d1a604b8b7d42cd16a3f6b47Duncan Sands TLI.LowerCallTo(Tmp1, Type::VoidTy, 419486098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen false, false, false, false, CallingConv::C, false, 4195056292fd738924f3f7703725d8f630983794b5a5Bill Wendling DAG.getExternalSymbol("abort", TLI.getPointerTy()), 4196034f12ea0864a9cca0a74715d6fb06a8bf1dc775Chris Lattner Args, DAG); 419766fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov Result = CallResult.second; 419866fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov break; 419966fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov } 420041bab0beac2600701af99f63e23a6b65f71468acChris Lattner break; 420166fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov } 42028ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling 4203c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling case ISD::SADDO: { 4204c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling MVT VT = Node->getValueType(0); 4205c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 4206c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling default: assert(0 && "This action not supported for this op yet!"); 4207c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling case TargetLowering::Custom: 4208c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling Result = TLI.LowerOperation(Op, DAG); 4209c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling if (Result.getNode()) break; 4210c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling // FALLTHROUGH 4211c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling case TargetLowering::Legal: { 4212c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue LHS = LegalizeOp(Node->getOperand(0)); 4213c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue RHS = LegalizeOp(Node->getOperand(1)); 4214c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4215c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue Sum = DAG.getNode(ISD::ADD, LHS.getValueType(), LHS, RHS); 4216c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling MVT OType = Node->getValueType(1); 4217c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4218a6af91ae124d0713cfabcea8c5f508091dd7a556Bill Wendling SDValue Zero = DAG.getConstant(0, LHS.getValueType()); 4219c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4220740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // LHSSign -> LHS >= 0 4221740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // RHSSign -> RHS >= 0 4222740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // SumSign -> Sum >= 0 4223740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // 4224740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // Overflow -> (LHSSign == RHSSign) && (LHSSign != SumSign) 4225740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // 4226740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue LHSSign = DAG.getSetCC(OType, LHS, Zero, ISD::SETGE); 4227740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue RHSSign = DAG.getSetCC(OType, RHS, Zero, ISD::SETGE); 4228740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue SignsEq = DAG.getSetCC(OType, LHSSign, RHSSign, ISD::SETEQ); 4229740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling 4230740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue SumSign = DAG.getSetCC(OType, Sum, Zero, ISD::SETGE); 4231740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue SumSignNE = DAG.getSetCC(OType, LHSSign, SumSign, ISD::SETNE); 4232740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling 4233740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue Cmp = DAG.getNode(ISD::AND, OType, SignsEq, SumSignNE); 4234c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4235c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling MVT ValueVTs[] = { LHS.getValueType(), OType }; 4236c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue Ops[] = { Sum, Cmp }; 4237c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4238c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling Result = DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], 2), &Ops[0], 2); 4239c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDNode *RNode = Result.getNode(); 4240c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 0), SDValue(RNode, 0)); 4241c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(RNode, 1)); 4242c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling break; 4243c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling } 4244c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling } 4245c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4246c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling break; 4247c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling } 4248def27392c1b4792f695b4eb681cd024ade4025bfBill Wendling case ISD::UADDO: { 424941ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling MVT VT = Node->getValueType(0); 425041ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 425141ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling default: assert(0 && "This action not supported for this op yet!"); 425241ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling case TargetLowering::Custom: 425341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling Result = TLI.LowerOperation(Op, DAG); 425441ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling if (Result.getNode()) break; 425541ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling // FALLTHROUGH 425641ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling case TargetLowering::Legal: { 425741ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue LHS = LegalizeOp(Node->getOperand(0)); 425841ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue RHS = LegalizeOp(Node->getOperand(1)); 425941ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 426041ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue Sum = DAG.getNode(ISD::ADD, LHS.getValueType(), LHS, RHS); 426141ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling MVT OType = Node->getValueType(1); 4262c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue Cmp = DAG.getSetCC(OType, Sum, LHS, ISD::SETULT); 426341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 426441ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling MVT ValueVTs[] = { LHS.getValueType(), OType }; 426541ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue Ops[] = { Sum, Cmp }; 426641ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 426741ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling Result = DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], 2), &Ops[0], 2); 426841ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDNode *RNode = Result.getNode(); 426941ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 0), SDValue(RNode, 0)); 427041ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(RNode, 1)); 427141ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling break; 427241ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling } 427341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling } 427441ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 42758ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling break; 42768ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling } 427745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 4278456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 42794ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner assert(Result.getValueType() == Op.getValueType() && 42804ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner "Bad legalization!"); 42814ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner 4282456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Make sure that the generated code is itself legal. 4283456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (Result != Op) 4284456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Result); 42853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 428645982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // Note that LegalizeOp may be reentered even from single-use nodes, which 428745982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // means that we always must cache transformed nodes. 428845982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner AddLegalizedOperand(Op, Result); 42893e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner return Result; 42903e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 42913e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 42928b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// PromoteOp - Given an operation that produces a value in an invalid type, 42938b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// promote it to compute the value into a larger type. The produced value will 42948b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// have the correct bits for the low portion of the register, but no guarantee 42958b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// is made about the top bits: it may be zero, sign-extended, or garbage. 4296475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteOp(SDValue Op) { 429783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 429883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 429903c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(getTypeAction(VT) == Promote && 430003c8546ec57523970874917854a2fb77b1ff598eChris Lattner "Caller should expand or legalize operands that are not promotable!"); 43018e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(NVT.bitsGT(VT) && NVT.isInteger() == VT.isInteger() && 430203c8546ec57523970874917854a2fb77b1ff598eChris Lattner "Cannot promote to smaller type!"); 430303c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4304475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3; 4305475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 4306ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 430703c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4308475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = PromotedNodes.find(Op); 43096fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner if (I != PromotedNodes.end()) return I->second; 431045982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner 431103c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (Node->getOpcode()) { 4312d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner case ISD::CopyFromReg: 4313d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner assert(0 && "CopyFromReg must be legal!"); 431403c8546ec57523970874917854a2fb77b1ff598eChris Lattner default: 4315e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 431639833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 4317e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 431803c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(0 && "Do not know how to promote this operator!"); 431903c8546ec57523970874917854a2fb77b1ff598eChris Lattner abort(); 4320fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: 4321fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Result = DAG.getNode(ISD::UNDEF, NVT); 4322fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 432303c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::Constant: 4324ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner if (VT != MVT::i1) 4325ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND, NVT, Op); 4326ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner else 4327ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner Result = DAG.getNode(ISD::ZERO_EXTEND, NVT, Op); 432803c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isa<ConstantSDNode>(Result) && "Didn't constant fold zext?"); 432903c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 433003c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::ConstantFP: 433103c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = DAG.getNode(ISD::FP_EXTEND, NVT, Op); 433203c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isa<ConstantFPSDNode>(Result) && "Didn't constant fold fp_extend?"); 433303c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 4334ef5cd1d3cf7d0b20987a545fcd2d0af2bfe6c422Chris Lattner 433582fbfb6984c1feb7d44a077ac2dc031f4a950005Chris Lattner case ISD::SETCC: 43365b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel assert(isTypeLegal(TLI.getSetCCResultType(Node->getOperand(0))) 43375922f561c65968ef1865cc8434d191041e450602Nate Begeman && "SetCC type is not legal??"); 43385b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result = DAG.getNode(ISD::SETCC, 43395922f561c65968ef1865cc8434d191041e450602Nate Begeman TLI.getSetCCResultType(Node->getOperand(0)), 43405922f561c65968ef1865cc8434d191041e450602Nate Begeman Node->getOperand(0), Node->getOperand(1), 43415922f561c65968ef1865cc8434d191041e450602Nate Begeman Node->getOperand(2)); 434282fbfb6984c1feb7d44a077ac2dc031f4a950005Chris Lattner break; 4343fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner 434403c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::TRUNCATE: 434503c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 434603c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Legal: 434703c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = LegalizeOp(Node->getOperand(0)); 43488e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(Result.getValueType().bitsGE(NVT) && 434903c8546ec57523970874917854a2fb77b1ff598eChris Lattner "This truncation doesn't make sense!"); 43508e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands if (Result.getValueType().bitsGT(NVT)) // Truncate to NVT instead of VT 435103c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, NVT, Result); 435203c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 4353e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner case Promote: 4354e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner // The truncation is not required, because we don't guarantee anything 4355e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner // about high bits anyway. 4356e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner Result = PromoteOp(Node->getOperand(0)); 4357e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner break; 435803c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Expand: 435979e46acd35df36477029e9f534ab1a366a98df56Nate Begeman ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 436079e46acd35df36477029e9f534ab1a366a98df56Nate Begeman // Truncate the low part of the expanded value to the result type 4361e21c305ed85b2be4a27784ba52471f6b68fdd255Chris Lattner Result = DAG.getNode(ISD::TRUNCATE, NVT, Tmp1); 436203c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 436303c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 43648b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SIGN_EXTEND: 43658b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::ZERO_EXTEND: 436613c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 43678b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 43688b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: assert(0 && "BUG: Smaller reg should have been promoted!"); 43698b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 43708b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Input is legal? Just do extend all the way to the larger type. 4371456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Node->getOperand(0)); 43728b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43738b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 43748b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Promote the reg if it's smaller. 43758b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = PromoteOp(Node->getOperand(0)); 43768b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The high bits are not guaranteed to be anything. Insert an extend. 43778b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner if (Node->getOpcode() == ISD::SIGN_EXTEND) 4378595dc5408ad809b9a9a417db275c43242e54b8dcChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 437915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 438013c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner else if (Node->getOpcode() == ISD::ZERO_EXTEND) 438123993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 438223993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 43838b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43848b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 43858b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 438677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 438777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 438877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert ((CvtCode == ISD::CVT_SS || CvtCode == ISD::CVT_SU || 438977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode == ISD::CVT_US || CvtCode == ISD::CVT_UU || 439077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode == ISD::CVT_SF || CvtCode == ISD::CVT_UF) && 439177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang "can only promote integers"); 439277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(NVT, Node->getOperand(0), 439377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(1), Node->getOperand(2), 439477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(3), Node->getOperand(4), 439577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode); 439677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 439777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 439877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 439935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: 44001401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 44011401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 440235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Result = PromoteOp(Result); 440335481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 440435481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 44058b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_EXTEND: 44068b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner assert(0 && "Case not implemented. Dynamically dead with 2 FP types!"); 44078b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_ROUND: 44088b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 44098b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: assert(0 && "BUG: Cannot expand FP regs!"); 44108b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: assert(0 && "Unreachable with 2 FP types!"); 44118b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 44120bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (Node->getConstantOperandVal(1) == 0) { 44130bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Input is legal? Do an FP_ROUND_INREG. 44140bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Node->getOperand(0), 44150bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getValueType(VT)); 44160bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } else { 44170bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Just remove the truncate, it isn't affecting the value. 44180bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, NVT, Node->getOperand(0), 44190bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(1)); 44200bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 44218b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44228b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 44238b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44248b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SINT_TO_FP: 44258b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UINT_TO_FP: 44268b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 44278b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 442877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // No extra round required here. 4429456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Node->getOperand(0)); 44308b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44318b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 44328b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 44338b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = PromoteOp(Node->getOperand(0)); 44348b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner if (Node->getOpcode() == ISD::SINT_TO_FP) 44358b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 443615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result, 443715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 44388b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner else 443923993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 444023993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 444177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // No extra round required here. 444277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Result); 44438b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44448b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: 444577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Result = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, NVT, 444677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Node->getOperand(0)); 444777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // Round if we cannot tolerate excess precision. 444877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner if (NoExcessFPPrecision) 444915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 445015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 445177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner break; 44528b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 44538b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44548b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 44555e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner case ISD::SIGN_EXTEND_INREG: 44565e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Result = PromoteOp(Node->getOperand(0)); 44575e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 44585e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Node->getOperand(1)); 44595e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner break; 44608b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_TO_SINT: 44618b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_TO_UINT: 44628b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 44638b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 44640b1b9dcf22745b533562134c2f0472098fe085fdEvan Cheng case Expand: 4465456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Node->getOperand(0); 44668b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44678b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 44688b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input result is prerounded, so we don't have to do anything 44698b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // special. 44708b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 44718b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44728b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 4473d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // If we're promoting a UINT to a larger size, check to see if the new node 4474d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // will be legal. If it isn't, check to see if FP_TO_SINT is legal, since 4475d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // we can use that instead. This allows us to generate better code for 4476d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // FP_TO_UINT for small destination sizes on targets where FP_TO_UINT is not 4477d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // legal, such as PowerPC. 4478d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman if (Node->getOpcode() == ISD::FP_TO_UINT && 4479c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner !TLI.isOperationLegal(ISD::FP_TO_UINT, NVT) && 4480b7f6ef12f682c7068ca7513e088177a0d1046b35Nate Begeman (TLI.isOperationLegal(ISD::FP_TO_SINT, NVT) || 4481b7f6ef12f682c7068ca7513e088177a0d1046b35Nate Begeman TLI.getOperationAction(ISD::FP_TO_SINT, NVT)==TargetLowering::Custom)){ 4482d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Result = DAG.getNode(ISD::FP_TO_SINT, NVT, Tmp1); 4483d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } else { 4484d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4485d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } 44868b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44878b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 44882c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FABS: 44892c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FNEG: 44902c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 44912c8086f4b9916b2d02842be5e375276023225fbaChris Lattner assert(Tmp1.getValueType() == NVT); 44922c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 44932c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // NOTE: we do not have to do any extra rounding here for 44942c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // NoExcessFPPrecision, because we know the input will have the appropriate 44952c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // precision, and these operations don't modify precision at all. 44962c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 44972c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 44987794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 44997794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 45007794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 45017794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 45027794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 4503da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSQRT: 4504da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSIN: 4505da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FCOS: 45062bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 45072bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 45082bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 45092bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 45102bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 4511da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4512da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner assert(Tmp1.getValueType() == NVT); 4513da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4514456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (NoExcessFPPrecision) 451515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 451615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 4517da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner break; 4518da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner 45199d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOW: 45208b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner case ISD::FPOWI: { 45219d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng // Promote f32 pow(i) to f64 pow(i). Note that this could insert a libcall 45228b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner // directly as well, which may be better. 45238b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45249d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Tmp2 = Node->getOperand(1); 45259d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng if (Node->getOpcode() == ISD::FPOW) 45269d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Tmp2 = PromoteOp(Tmp2); 45278b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner assert(Tmp1.getValueType() == NVT); 45289d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 45298b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner if (NoExcessFPPrecision) 45308b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 45318b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner DAG.getValueType(VT)); 45328b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner break; 45338b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner } 45348b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner 4535e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_8: 4536e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_16: 4537e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_32: 4538e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 453928873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node); 4540ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp2 = PromoteOp(Node->getOperand(2)); 4541ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp3 = PromoteOp(Node->getOperand(3)); 454228873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 454328873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getBasePtr(), Tmp2, Tmp3, 4544fd4418fc9b4725c44210c169c4d6500be468ca70Dan Gohman AtomNode->getSrcValue(), 454528873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getAlignment()); 4546ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Remember that we legalized the chain. 4547ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 4548ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 4549ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 4550e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_8: 4551e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_8: 4552e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_8: 4553e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_8: 4554e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_8: 4555e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_8: 4556e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_8: 4557e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_8: 4558e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_8: 4559e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_8: 4560e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_8: 4561e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_16: 4562e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_16: 4563e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_16: 4564e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_16: 4565e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_16: 4566e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_16: 4567e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_16: 4568e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_16: 4569e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_16: 4570e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_16: 4571e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_16: 4572e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_32: 4573e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_32: 4574e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_32: 4575e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_32: 4576e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_32: 4577e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_32: 4578e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_32: 4579e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_32: 4580e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_32: 4581e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_32: 4582e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_32: 4583e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 4584e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 4585e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 4586e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 4587e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 4588e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 4589e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_64: 4590e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_64: 4591e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_64: 4592e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_64: 4593e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_64: { 459428873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node); 4595ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp2 = PromoteOp(Node->getOperand(2)); 459628873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 459728873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getBasePtr(), Tmp2, 4598fd4418fc9b4725c44210c169c4d6500be468ca70Dan Gohman AtomNode->getSrcValue(), 459928873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getAlignment()); 4600ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Remember that we legalized the chain. 4601ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 4602ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 4603ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 4604ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 460503c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::AND: 460603c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::OR: 460703c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::XOR: 46080f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::ADD: 46098b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SUB: 46100f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::MUL: 46110f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner // The input may have strange things in the top bits of the registers, but 461201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // these operations don't care. They may have weird bits going out, but 46130f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner // that too is okay if they are integer operations. 46140f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 46150f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 46160f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); 46170f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 461801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner break; 461901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FADD: 462001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FSUB: 462101b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FMUL: 462201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 462301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 462401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); 462501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 462601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner 462701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // Floating point operations will give excess precision that we may not be 462801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // able to tolerate. If we DO allow excess precision, just leave it, 462901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // otherwise excise it. 46308b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // FIXME: Why would we need to round FP ops more than integer ones? 46318b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Is Round(Add(Add(A,B),C)) != Round(Add(Round(Add(A,B)), C)) 463201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner if (NoExcessFPPrecision) 463315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 463415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 46350f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner break; 46360f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner 46378b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SDIV: 46388b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SREM: 46398b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // These operators require that their input be sign extended. 46408b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 46418b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 464283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NVT.isInteger()) { 464315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 464415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 464515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2, 464615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 46478b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 46488b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 46498b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 46508b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Perform FP_ROUND: this is probably overly pessimistic. 465183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NVT.isFloatingPoint() && NoExcessFPPrecision) 465215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 465315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 46548b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 465501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FDIV: 465601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FREM: 4657a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case ISD::FCOPYSIGN: 465801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // These operators require that their input be fp extended. 4659ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman switch (getTypeAction(Node->getOperand(0).getValueType())) { 46600bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Expand: assert(0 && "not implemented"); 46610bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Legal: Tmp1 = LegalizeOp(Node->getOperand(0)); break; 46620bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Promote: Tmp1 = PromoteOp(Node->getOperand(0)); break; 4663ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman } 4664ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 46650bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Expand: assert(0 && "not implemented"); 46660bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Legal: Tmp2 = LegalizeOp(Node->getOperand(1)); break; 46670bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); break; 4668ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman } 466901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 467001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner 467101b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // Perform FP_ROUND: this is probably overly pessimistic. 4672a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner if (NoExcessFPPrecision && Node->getOpcode() != ISD::FCOPYSIGN) 467301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 467401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner DAG.getValueType(VT)); 467501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner break; 46768b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 46778b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UDIV: 46788b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UREM: 46798b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // These operators require that their input be zero extended. 46808b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 46818b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 468283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NVT.isInteger() && "Operators don't apply to FP!"); 468323993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 468423993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp2 = DAG.getZeroExtendInReg(Tmp2, VT); 46858b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 46868b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46878b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 46888b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SHL: 46898b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4690456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SHL, NVT, Tmp1, Node->getOperand(1)); 46918b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46928b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SRA: 46938b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input value must be properly sign extended. 46948b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 469515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 469615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 4697456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRA, NVT, Tmp1, Node->getOperand(1)); 46988b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46998b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SRL: 47008b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input value must be properly zero extended. 47018b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 470223993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 4703456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRL, NVT, Tmp1, Node->getOperand(1)); 47048b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 47050aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman 47060aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman case ISD::VAARG: 4707456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Node->getOperand(0); // Get the chain. 4708456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = Node->getOperand(1); // Get the pointer. 47090aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman if (TLI.getOperationAction(ISD::VAARG, VT) == TargetLowering::Custom) { 47100aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman Tmp3 = DAG.getVAArg(VT, Tmp1, Tmp2, Node->getOperand(2)); 4711126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands Result = TLI.LowerOperation(Tmp3, DAG); 47120aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman } else { 471369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); 4714475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); 47150aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Increment the pointer, VAList, to the next vaarg 47160aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, 471783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits()/8, 47180aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman TLI.getPointerTy())); 47190aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Store the incremented VAList to the legalized pointer 472069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); 47210aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Load the actual argument out of the pointer VAList 4722466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.getExtLoad(ISD::EXTLOAD, NVT, Tmp3, VAList, NULL, 0, VT); 47230aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman } 47240aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Remember that we legalized the chain. 4725456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 47260aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman break; 47270aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman 4728466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case ISD::LOAD: { 4729466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 473062f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng ISD::LoadExtType ExtType = ISD::isNON_EXTLoad(Node) 473162f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng ? ISD::EXTLOAD : LD->getExtensionType(); 473262f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng Result = DAG.getExtLoad(ExtType, NVT, 473362f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng LD->getChain(), LD->getBasePtr(), 473455b5708b6bbffc79cf133c31faa51d144bfc5d4aChris Lattner LD->getSrcValue(), LD->getSrcValueOffset(), 4735b625f2f8960de32bc973092aaee8ac62863006feDan Gohman LD->getMemoryVT(), 4736d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->isVolatile(), 4737d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->getAlignment()); 47384c8f8f0481b26818d7810a6a585e7ecf52973e93Chris Lattner // Remember that we legalized the chain. 4739456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 47404c8f8f0481b26818d7810a6a585e7ecf52973e93Chris Lattner break; 4741466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 47428bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel case ISD::SELECT: { 474303c8546ec57523970874917854a2fb77b1ff598eChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Legalize the op0 474403c8546ec57523970874917854a2fb77b1ff598eChris Lattner Tmp3 = PromoteOp(Node->getOperand(2)); // Legalize the op1 47458bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel 474683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT2 = Tmp2.getValueType(); 47478bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel assert(VT2 == Tmp3.getValueType() 4748ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel && "PromoteOp SELECT: Operands 2 and 3 ValueTypes don't match"); 4749ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // Ensure that the resulting node is at least the same size as the operands' 4750ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // value types, because we cannot assume that TLI.getSetCCValueType() is 4751ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // constant. 4752ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel Result = DAG.getNode(ISD::SELECT, VT2, Node->getOperand(0), Tmp2, Tmp3); 475303c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 47548bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel } 47559373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case ISD::SELECT_CC: 47569373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2 = PromoteOp(Node->getOperand(2)); // True 47579373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp3 = PromoteOp(Node->getOperand(3)); // False 47589373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 4759456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Node->getOperand(1), Tmp2, Tmp3, Node->getOperand(4)); 47609373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 4761d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: 4762d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = Node->getOperand(0); 4763d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 4764d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = DAG.getNode(ISD::BSWAP, NVT, Tmp1); 4765d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Result = DAG.getNode(ISD::SRL, NVT, Tmp1, 476683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 476783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.getSizeInBits(), 4768d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman TLI.getShiftAmountTy())); 4769d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 4770fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTPOP: 4771fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTTZ: 4772fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTLZ: 4773456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Zero extend the argument 4774456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Node->getOperand(0)); 4775fecf095292991bdf9396fec474011446107f9813Andrew Lenharth // Perform the larger operation, then subtract if needed. 4776fecf095292991bdf9396fec474011446107f9813Andrew Lenharth Tmp1 = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4777456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch(Node->getOpcode()) { 4778fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTPOP: 4779fecf095292991bdf9396fec474011446107f9813Andrew Lenharth Result = Tmp1; 4780fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4781fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTTZ: 4782456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // if Tmp1 == sizeinbits(NVT) then Tmp1 = sizeinbits(Old VT) 47835b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, 478483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits(), NVT), 4785b55757ec5f6f0218342a8910e1bbd9f018adc7d7Dan Gohman ISD::SETEQ); 478600b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SELECT, NVT, Tmp2, 478783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits(), NVT), Tmp1); 4788fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4789fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTLZ: 4790fecf095292991bdf9396fec474011446107f9813Andrew Lenharth //Tmp1 = Tmp1 - (sizeinbits(NVT) - sizeinbits(Old VT)) 479100b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SUB, NVT, Tmp1, 479283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 479383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.getSizeInBits(), NVT)); 4794fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4795fecf095292991bdf9396fec474011446107f9813Andrew Lenharth } 4796fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 47977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 47987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = PromoteOp(ExpandEXTRACT_SUBVECTOR(Op)); 47996595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 48004aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner case ISD::EXTRACT_VECTOR_ELT: 48014aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner Result = PromoteOp(ExpandEXTRACT_VECTOR_ELT(Op)); 48024aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner break; 480303c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 480403c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4805ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode() && "Didn't set a result!"); 4806456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 4807456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Make sure the result is itself legal. 4808456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Result); 4809456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 4810456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Remember that we promoted this! 481103c8546ec57523970874917854a2fb77b1ff598eChris Lattner AddPromotedOperand(Op, Result); 481203c8546ec57523970874917854a2fb77b1ff598eChris Lattner return Result; 481303c8546ec57523970874917854a2fb77b1ff598eChris Lattner} 48143e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 48157f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// ExpandEXTRACT_VECTOR_ELT - Expand an EXTRACT_VECTOR_ELT operation into 48167f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// a legal EXTRACT_VECTOR_ELT operation, scalar code, or memory traffic, 48177f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// based on the vector type. The return type of this matches the element type 48187f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// of the vector, which may not be legal for the target. 4819475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDValue Op) { 48201597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // We know that operand #0 is the Vec vector. If the index is a constant 48211597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // or if the invec is a supported hardware type, we can use it. Otherwise, 48221597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // lower to a store then an indexed load. 4823475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Vec = Op.getOperand(0); 4824475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = Op.getOperand(1); 48251597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 482683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = Vec.getValueType(); 482783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = TVT.getVectorNumElements(); 48281597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 48297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman switch (TLI.getOperationAction(ISD::EXTRACT_VECTOR_ELT, TVT)) { 48307f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman default: assert(0 && "This action is not supported yet!"); 48317f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Custom: { 48327f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Vec = LegalizeOp(Vec); 48337f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 4834475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = TLI.LowerOperation(Op, DAG); 4835ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) 48367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Tmp3; 48377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 48387f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 48397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Legal: 48407f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (isTypeLegal(TVT)) { 48417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Vec = LegalizeOp(Vec); 48427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 4843844228a631f47bb39f71f617063831fb83c3843bChristopher Lamb return Op; 48447f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 48457f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 48460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 48470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "not vector type"); 48480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // fall thru to expand since vectors are by default are promote 48497f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Expand: 48507f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 48517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 48527f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 48537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (NumElems == 1) { 48541597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // This must be an access of the only element. Return it. 48557f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = ScalarizeVectorOp(Vec); 48567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else if (!TLI.isTypeLegal(TVT) && isa<ConstantSDNode>(Idx)) { 485755030dc460ff43f382abcc977b3e45bab7d87826Nate Begeman unsigned NumLoElts = 1 << Log2_32(NumElems-1); 48587f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); 4859475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 48601597221eace1c53ce5f84a7018397497d11a8393Chris Lattner SplitVectorOp(Vec, Lo, Hi); 4861f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (CIdx->getZExtValue() < NumLoElts) { 48621597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Vec = Lo; 48631597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } else { 48641597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Vec = Hi; 4865f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx = DAG.getConstant(CIdx->getZExtValue() - NumLoElts, 48667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Idx.getValueType()); 48671597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } 48687f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 48691597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // It's now an extract from the appropriate high or low part. Recurse. 48701597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 48717f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = ExpandEXTRACT_VECTOR_ELT(Op); 48721597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } else { 48737f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Store the value to a temporary stack slot, then LOAD the scalar 48747f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // element back out. 4875475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(Vec.getValueType()); 4876475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Vec, StackPtr, NULL, 0); 48777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 48787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Add the offset to the index. 487983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned EltSize = Op.getValueType().getSizeInBits()/8; 48807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Idx = DAG.getNode(ISD::MUL, Idx.getValueType(), Idx, 48817f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman DAG.getConstant(EltSize, Idx.getValueType())); 488290bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling 48838e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands if (Idx.getValueType().bitsGT(TLI.getPointerTy())) 4884f185e67844e6229e2b0fe9080a5f66fb01fb7f5aChris Lattner Idx = DAG.getNode(ISD::TRUNCATE, TLI.getPointerTy(), Idx); 488590bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling else 4886f185e67844e6229e2b0fe9080a5f66fb01fb7f5aChris Lattner Idx = DAG.getNode(ISD::ZERO_EXTEND, TLI.getPointerTy(), Idx); 488790bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling 48887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman StackPtr = DAG.getNode(ISD::ADD, Idx.getValueType(), Idx, StackPtr); 48897f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 48907f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.getLoad(Op.getValueType(), Ch, StackPtr, NULL, 0); 48911597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } 48927f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Op; 48931597221eace1c53ce5f84a7018397497d11a8393Chris Lattner} 48941597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 48957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// ExpandEXTRACT_SUBVECTOR - Expand a EXTRACT_SUBVECTOR operation. For now 48966595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman/// we assume the operation can be split if it is not already legal. 4897475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandEXTRACT_SUBVECTOR(SDValue Op) { 48986595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // We know that operand #0 is the Vec vector. For now we assume the index 48996595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // is a constant and that the extracted result is a supported hardware type. 4900475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Vec = Op.getOperand(0); 4901475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = LegalizeOp(Op.getOperand(1)); 49026595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 490383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = Vec.getValueType().getVectorNumElements(); 49046595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 490583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NumElems == Op.getValueType().getVectorNumElements()) { 49066595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // This must be an access of the desired vector length. Return it. 49077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Vec; 49086595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 49096595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 49106595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); 4911475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 49126595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman SplitVectorOp(Vec, Lo, Hi); 4913f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (CIdx->getZExtValue() < NumElems/2) { 49146595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Vec = Lo; 49156595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } else { 49166595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Vec = Hi; 4917f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx = DAG.getConstant(CIdx->getZExtValue() - NumElems/2, 4918f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx.getValueType()); 49196595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 49206595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 49216595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // It's now an extract from the appropriate high or low part. Recurse. 49226595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 49237f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return ExpandEXTRACT_SUBVECTOR(Op); 49244aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner} 49254aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner 4926750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// LegalizeSetCCOperands - Attempts to create a legal LHS and RHS for a SETCC 4927750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// with condition CC on the current target. This usually involves legalizing 4928750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// or promoting the arguments. In the case where LHS and RHS must be expanded, 4929750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// there may be no choice but to create a new SetCC node to represent the 4930750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// legalized value of setcc lhs, rhs. In this case, the value is returned in 4931475871a144eb604ddaf37503397ba0941442e5fbDan Gohman/// LHS, and the SDValue returned in RHS has a nil SDNode value. 4932475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::LegalizeSetCCOperands(SDValue &LHS, 4933475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &RHS, 4934475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &CC) { 4935475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Result; 4936750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 4937750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (getTypeAction(LHS.getValueType())) { 4938750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case Legal: 4939750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = LegalizeOp(LHS); // LHS 4940750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = LegalizeOp(RHS); // RHS 4941750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 4942750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case Promote: 4943750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = PromoteOp(LHS); // LHS 4944750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = PromoteOp(RHS); // RHS 4945750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 4946750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If this is an FP compare, the operands have already been extended. 494783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (LHS.getValueType().isInteger()) { 494883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHS.getValueType(); 494983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 4950750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 4951750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Otherwise, we have to insert explicit sign or zero extends. Note 4952750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // that we could insert sign extends for ALL conditions, but zero extend 4953750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // is cheaper on many machines (an AND instead of two shifts), so prefer 4954750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // it. 4955750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (cast<CondCodeSDNode>(CC)->get()) { 4956750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "Unknown integer comparison!"); 4957750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETEQ: 4958750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETNE: 4959750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGE: 4960750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGT: 4961750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULE: 4962750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULT: 4963750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // ALL of these operations will work if we either sign or zero extend 4964750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the operands (including the unsigned comparisons!). Zero extend is 4965750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // usually a simpler/cheaper operation, so prefer it. 4966750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 4967750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getZeroExtendInReg(Tmp2, VT); 4968750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 4969750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGE: 4970750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGT: 4971750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLT: 4972750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLE: 4973750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 4974750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman DAG.getValueType(VT)); 4975750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2, 4976750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman DAG.getValueType(VT)); 4977efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng Tmp1 = LegalizeOp(Tmp1); // Relegalize new nodes. 4978efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng Tmp2 = LegalizeOp(Tmp2); // Relegalize new nodes. 4979750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 4980750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 4981750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 4982750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 49832b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case Expand: { 498483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHS.getValueType(); 49852b49c500838666dd0186d021389d4dd70ffda240Evan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 49862b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // Expand into one or more soft-fp libcall(s). 49876518c6ed7ea609696304bbbe848342cacd001f12Evan Cheng RTLIB::Libcall LC1 = RTLIB::UNKNOWN_LIBCALL, LC2 = RTLIB::UNKNOWN_LIBCALL; 49882b49c500838666dd0186d021389d4dd70ffda240Evan Cheng switch (cast<CondCodeSDNode>(CC)->get()) { 49892b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETEQ: 49902b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOEQ: 499156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; 49922b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49932b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETNE: 49942b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUNE: 499556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UNE_F32 : RTLIB::UNE_F64; 49962b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49972b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETGE: 49982b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOGE: 499956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; 50002b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50012b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETLT: 50022b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOLT: 500356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 50042b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50052b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETLE: 50062b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOLE: 500756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; 50082b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50092b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETGT: 50102b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOGT: 501156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; 50122b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50132b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUO: 5014d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; 5015d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng break; 50162b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETO: 50175efdecc030f1a71cdb5b49d97c6c1c45e68ff731Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::O_F32 : RTLIB::O_F64; 50182b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50192b49c500838666dd0186d021389d4dd70ffda240Evan Cheng default: 502056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; 50212b49c500838666dd0186d021389d4dd70ffda240Evan Cheng switch (cast<CondCodeSDNode>(CC)->get()) { 50222b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETONE: 50232b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // SETONE = SETOLT | SETOGT 502456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 50252b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // Fallthrough 50262b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUGT: 502756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; 50282b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50292b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUGE: 503056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; 50312b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50322b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETULT: 503356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 50342b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50352b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETULE: 503656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; 50372b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 503856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SETUEQ: 503956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; 504056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 50412b49c500838666dd0186d021389d4dd70ffda240Evan Cheng default: assert(0 && "Unsupported FP setcc!"); 50422b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 50432b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 5044f9516208e57364ab1e7d8748af1f59a2ea5fb572Duncan Sands 5045475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 5046475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[2] = { LHS, RHS }; 5047ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp1 = ExpandLibCall(LC1, DAG.getMergeValues(Ops, 2).getNode(), 5048b47b25cfda5aee910e128c89d08c630722eb480bReid Spencer false /*sign irrelevant*/, Dummy); 50492b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp2 = DAG.getConstant(0, MVT::i32); 5050d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng CC = DAG.getCondCode(TLI.getCmpLibcallCC(LC1)); 505156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng if (LC2 != RTLIB::UNKNOWN_LIBCALL) { 50525b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, 50535922f561c65968ef1865cc8434d191041e450602Nate Begeman CC); 5054ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LHS = ExpandLibCall(LC2, DAG.getMergeValues(Ops, 2).getNode(), 5055b47b25cfda5aee910e128c89d08c630722eb480bReid Spencer false /*sign irrelevant*/, Dummy); 50565b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHS), LHS, Tmp2, 5057d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng DAG.getCondCode(TLI.getCmpLibcallCC(LC2))); 50582b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp2); 5059475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 50602b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 506121cacc4de88098a6f2ccfcde18ccec0aa6654f3eEvan Cheng LHS = LegalizeOp(Tmp1); 50622b49c500838666dd0186d021389d4dd70ffda240Evan Cheng RHS = Tmp2; 50632b49c500838666dd0186d021389d4dd70ffda240Evan Cheng return; 50642b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 50652b49c500838666dd0186d021389d4dd70ffda240Evan Cheng 5066475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSLo, LHSHi, RHSLo, RHSHi; 5067750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman ExpandOp(LHS, LHSLo, LHSHi); 5068638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen ExpandOp(RHS, RHSLo, RHSHi); 5069638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen ISD::CondCode CCCode = cast<CondCodeSDNode>(CC)->get(); 5070638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen 5071638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen if (VT==MVT::ppcf128) { 5072638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // FIXME: This generated code sucks. We want to generate 5073e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen // FCMPU crN, hi1, hi2 5074638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // BNE crN, L: 5075e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen // FCMPU crN, lo1, lo2 5076638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // The following can be improved, but not that much. 5077e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 5078e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen ISD::SETOEQ); 50795b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, CCCode); 5080638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp3 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); 5081e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 5082e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen ISD::SETUNE); 50835b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, CCCode); 5084638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp1 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); 5085638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp3); 5086475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 5087638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen break; 5088638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen } 5089638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen 5090638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen switch (CCCode) { 5091750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETEQ: 5092750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETNE: 5093750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (RHSLo == RHSHi) 5094750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (ConstantSDNode *RHSCST = dyn_cast<ConstantSDNode>(RHSLo)) 5095750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (RHSCST->isAllOnesValue()) { 5096750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Comparison to -1. 5097750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::AND, LHSLo.getValueType(), LHSLo, LHSHi); 5098750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = RHSLo; 5099750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5100750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5101750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5102750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::XOR, LHSLo.getValueType(), LHSLo, RHSLo); 5103750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getNode(ISD::XOR, LHSLo.getValueType(), LHSHi, RHSHi); 5104750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp2); 5105750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getConstant(0, Tmp1.getValueType()); 5106750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5107750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: 5108750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If this is a comparison of the sign bit, just look at the top part. 5109750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // X > -1, x < 0 5110750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (ConstantSDNode *CST = dyn_cast<ConstantSDNode>(RHS)) 5111750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if ((cast<CondCodeSDNode>(CC)->get() == ISD::SETLT && 5112002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman CST->isNullValue()) || // X < 0 5113750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman (cast<CondCodeSDNode>(CC)->get() == ISD::SETGT && 5114750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman CST->isAllOnesValue())) { // X > -1 5115750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = LHSHi; 5116750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = RHSHi; 5117750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5118750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5119750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5120750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // FIXME: This generated code sucks. 5121750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman ISD::CondCode LowCC; 51222e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng switch (CCCode) { 5123750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "Unknown integer setcc!"); 5124750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLT: 5125750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULT: LowCC = ISD::SETULT; break; 5126750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGT: 5127750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGT: LowCC = ISD::SETUGT; break; 5128750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLE: 5129750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULE: LowCC = ISD::SETULE; break; 5130750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGE: 5131750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGE: LowCC = ISD::SETUGE; break; 5132750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5133750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5134750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Tmp1 = lo(op1) < lo(op2) // Always unsigned comparison 5135750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Tmp2 = hi(op1) < hi(op2) // Signedness depends on operands 5136750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // dest = hi(op1) == hi(op2) ? Tmp1 : Tmp2; 5137750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5138750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // NOTE: on targets without efficient SELECT of bools, we can always use 5139750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // this identity: (B1 ? B2 : B3) --> (B1 & B2)|(!B1&B3) 51402e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, false, true, NULL); 51415b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, 51425922f561c65968ef1865cc8434d191041e450602Nate Begeman LowCC, false, DagCombineInfo); 5143ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Tmp1.getNode()) 51445b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, LowCC); 51455b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 51462e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode, false, DagCombineInfo); 5147ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Tmp2.getNode()) 51485b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHSHi), LHSHi, 51495922f561c65968ef1865cc8434d191041e450602Nate Begeman RHSHi,CC); 51502e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng 5151ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif ConstantSDNode *Tmp1C = dyn_cast<ConstantSDNode>(Tmp1.getNode()); 5152ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif ConstantSDNode *Tmp2C = dyn_cast<ConstantSDNode>(Tmp2.getNode()); 5153002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman if ((Tmp1C && Tmp1C->isNullValue()) || 5154002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman (Tmp2C && Tmp2C->isNullValue() && 51552e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng (CCCode == ISD::SETLE || CCCode == ISD::SETGE || 51562e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode == ISD::SETUGE || CCCode == ISD::SETULE)) || 5157002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman (Tmp2C && Tmp2C->getAPIntValue() == 1 && 51582e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng (CCCode == ISD::SETLT || CCCode == ISD::SETGT || 51592e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode == ISD::SETUGT || CCCode == ISD::SETULT))) { 51602e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // low part is known false, returns high part. 51612e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // For LE / GE, if high part is known false, ignore the low part. 51622e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // For LT / GT, if high part is known true, ignore the low part. 51632e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Tmp1 = Tmp2; 5164475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 51652e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng } else { 51665b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 51672e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng ISD::SETEQ, false, DagCombineInfo); 5168ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Result.getNode()) 51695b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result=DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 51705922f561c65968ef1865cc8434d191041e450602Nate Begeman ISD::SETEQ); 51712e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Result = LegalizeOp(DAG.getNode(ISD::SELECT, Tmp1.getValueType(), 51722e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Result, Tmp1, Tmp2)); 51732e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Tmp1 = Result; 5174475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 51752e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng } 5176750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5177750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 51782b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 5179750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman LHS = Tmp1; 5180750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman RHS = Tmp2; 5181750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman} 5182750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 51837f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// LegalizeSetCCCondCode - Legalize a SETCC with given LHS and RHS and 51847f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// condition code CC on the current target. This routine assumes LHS and rHS 51857f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// have already been legalized by LegalizeSetCCOperands. It expands SETCC with 51867f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// illegal condition code into AND / OR of multiple SETCC values. 51877f042681764c6f8eae22781d8b4cb4c218a86b76Evan Chengvoid SelectionDAGLegalize::LegalizeSetCCCondCode(MVT VT, 51887f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue &LHS, SDValue &RHS, 51897f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue &CC) { 51907f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng MVT OpVT = LHS.getValueType(); 51917f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng ISD::CondCode CCCode = cast<CondCodeSDNode>(CC)->get(); 51927f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng switch (TLI.getCondCodeAction(CCCode, OpVT)) { 51937f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng default: assert(0 && "Unknown condition code action!"); 51947f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng case TargetLowering::Legal: 51957f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // Nothing to do. 51967f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng break; 51977f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng case TargetLowering::Expand: { 51987f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng ISD::CondCode CC1 = ISD::SETCC_INVALID, CC2 = ISD::SETCC_INVALID; 51997f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng unsigned Opc = 0; 52007f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng switch (CCCode) { 52017f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng default: assert(0 && "Don't know how to expand this condition!"); abort(); 5202e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOEQ: CC1 = ISD::SETEQ; CC2 = ISD::SETO; Opc = ISD::AND; break; 5203e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOGT: CC1 = ISD::SETGT; CC2 = ISD::SETO; Opc = ISD::AND; break; 5204e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOGE: CC1 = ISD::SETGE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5205e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOLT: CC1 = ISD::SETLT; CC2 = ISD::SETO; Opc = ISD::AND; break; 5206e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOLE: CC1 = ISD::SETLE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5207e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETONE: CC1 = ISD::SETNE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5208e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUEQ: CC1 = ISD::SETEQ; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5209e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUGT: CC1 = ISD::SETGT; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5210e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUGE: CC1 = ISD::SETGE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5211e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETULT: CC1 = ISD::SETLT; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5212e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETULE: CC1 = ISD::SETLE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5213e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUNE: CC1 = ISD::SETNE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 52147f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // FIXME: Implement more expansions. 52157f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 52167f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng 52177f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue SetCC1 = DAG.getSetCC(VT, LHS, RHS, CC1); 52187f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue SetCC2 = DAG.getSetCC(VT, LHS, RHS, CC2); 52197f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LHS = DAG.getNode(Opc, VT, SetCC1, SetCC2); 52207f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng RHS = SDValue(); 52217f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng CC = SDValue(); 52227f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng break; 52237f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 52247f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 52257f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng} 52267f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng 52271401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// EmitStackConvert - Emit a store/load combination to the stack. This stores 52281401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// SrcOp to a stack slot of type SlotVT, truncating it if needed. It then does 52291401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// a load from the stack slot to DestVT, extending it if needed. 52301401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// The resultant code need not be legal. 5231475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp, 5232475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT SlotVT, 5233475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT) { 523435481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner // Create the stack frame object. 5235364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang unsigned SrcAlign = TLI.getTargetData()->getPrefTypeAlignment( 5236364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang SrcOp.getValueType().getTypeForMVT()); 5237475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FIPtr = DAG.CreateStackTemporary(SlotVT, SrcAlign); 5238364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 5239bbbbb9c3dd4160990f856854d16a3beaead1f354Dan Gohman FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr); 524069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman int SPFI = StackPtrFI->getIndex(); 5241364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 524283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SrcSize = SrcOp.getValueType().getSizeInBits(); 524383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SlotSize = SlotVT.getSizeInBits(); 524483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned DestSize = DestVT.getSizeInBits(); 5245364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang unsigned DestAlign = TLI.getTargetData()->getPrefTypeAlignment( 5246364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang DestVT.getTypeForMVT()); 52471401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner 52481401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner // Emit a store to the stack slot. Use a truncstore if the input value is 52491401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner // later than DestVT. 5250475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store; 5251364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 52521401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner if (SrcSize > SlotSize) 525369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, 5254a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, 5255a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman SlotVT, false, SrcAlign); 52561401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner else { 52571401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner assert(SrcSize == SlotSize && "Invalid store"); 525869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, 5259a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, 5260364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang false, SrcAlign); 52611401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner } 526235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 526335481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner // Result is a load from the stack slot. 52641401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner if (SlotSize == DestSize) 5265364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang return DAG.getLoad(DestVT, Store, FIPtr, NULL, 0, false, DestAlign); 52661401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner 52671401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner assert(SlotSize < DestSize && "Unknown extension!"); 5268364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang return DAG.getExtLoad(ISD::EXTLOAD, DestVT, Store, FIPtr, NULL, 0, SlotVT, 5269364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang false, DestAlign); 527035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner} 527135481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 5272475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) { 52734352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Create a vector sized/aligned stack slot, store the value to element #0, 52744352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // then load the whole vector back out. 5275475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(Node->getValueType(0)); 527669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 5277bbbbb9c3dd4160990f856854d16a3beaead1f354Dan Gohman FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(StackPtr); 527869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman int SPFI = StackPtrFI->getIndex(); 527969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 5280475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0), StackPtr, 5281a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 528269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, 5283a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 52844352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner} 52854352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 52864352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 5287ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner/// ExpandBUILD_VECTOR - Expand a BUILD_VECTOR node on targets that don't 528807a96765daedf180a7102d39fe56c499878312b7Dan Gohman/// support the operation, but do support the resultant vector type. 5289475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) { 5290ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5291ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // If the only non-undef value is the low element, turn this into a 529287100e0b83b808757bf44dabecd1d1048255d1adChris Lattner // SCALAR_TO_VECTOR node. If this is { X, X, X, X }, determine X. 5293033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng unsigned NumElems = Node->getNumOperands(); 5294ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner bool isOnlyLowElement = true; 5295475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SplatValue = Node->getOperand(0); 5296f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman // FIXME: it would be far nicer to change this into map<SDValue,uint64_t> 5298f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // and use a bitmask instead of a list of elements. 5299475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::vector<unsigned> > Values; 5300033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng Values[SplatValue].push_back(0); 53012eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner bool isConstant = true; 53022eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner if (!isa<ConstantFPSDNode>(SplatValue) && !isa<ConstantSDNode>(SplatValue) && 53032eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner SplatValue.getOpcode() != ISD::UNDEF) 53042eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner isConstant = false; 53052eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5306033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng for (unsigned i = 1; i < NumElems; ++i) { 5307475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue V = Node->getOperand(i); 530889a1b380a475cbe477e50ff4b94335596b37f21aChris Lattner Values[V].push_back(i); 5309033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (V.getOpcode() != ISD::UNDEF) 5310ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner isOnlyLowElement = false; 5311033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (SplatValue != V) 5312475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SplatValue = SDValue(0,0); 53132eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 53142eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If this isn't a constant element or an undef, we can't use a constant 53152eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // pool load. 53162eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner if (!isa<ConstantFPSDNode>(V) && !isa<ConstantSDNode>(V) && 53172eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner V.getOpcode() != ISD::UNDEF) 53182eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner isConstant = false; 5319ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5320ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5321ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (isOnlyLowElement) { 5322ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // If the low element is an undef too, then this whole things is an undef. 5323ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (Node->getOperand(0).getOpcode() == ISD::UNDEF) 5324ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner return DAG.getNode(ISD::UNDEF, Node->getValueType(0)); 5325ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Otherwise, turn this into a scalar_to_vector node. 5326ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner return DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), 5327ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Node->getOperand(0)); 5328ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5329ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 53302eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If all elements are constants, create a load from the constant pool. 5331ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (isConstant) { 533283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 5333ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner std::vector<Constant*> CV; 5334033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng for (unsigned i = 0, e = NumElems; i != e; ++i) { 5335ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (ConstantFPSDNode *V = 5336ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner dyn_cast<ConstantFPSDNode>(Node->getOperand(i))) { 53374fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman CV.push_back(const_cast<ConstantFP *>(V->getConstantFPValue())); 5338ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } else if (ConstantSDNode *V = 533902a260aa11a2e1b2c14335274d3c42ca3f3eabc0Chris Lattner dyn_cast<ConstantSDNode>(Node->getOperand(i))) { 53404fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman CV.push_back(const_cast<ConstantInt *>(V->getConstantIntValue())); 5341ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } else { 5342ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner assert(Node->getOperand(i).getOpcode() == ISD::UNDEF); 534302a260aa11a2e1b2c14335274d3c42ca3f3eabc0Chris Lattner const Type *OpNTy = 534483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Node->getOperand(0).getValueType().getTypeForMVT(); 5345ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner CV.push_back(UndefValue::get(OpNTy)); 5346ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5347ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 53489d6565a5b1fbc4286d6ee638d8f47a3171a9ed7eReid Spencer Constant *CP = ConstantVector::get(CV); 5349475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(CP, TLI.getPointerTy()); 535050284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 535169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, 535250284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 535350284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 5354ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 53552eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5356ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (SplatValue.getNode()) { // Splat of one value? 53572eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Build the shuffle constant vector: <0, 0, 0, 0> 535883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems); 5359475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getConstant(0, MaskVT.getVectorElementType()); 5360475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::vector<SDValue> ZeroVec(NumElems, Zero); 5361475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SplatMask = DAG.getNode(ISD::BUILD_VECTOR, MaskVT, 5362bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &ZeroVec[0], ZeroVec.size()); 5363033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 53642eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If the target supports VECTOR_SHUFFLE and this shuffle mask, use it. 53654352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (isShuffleLegal(Node->getValueType(0), SplatMask)) { 53662eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Get the splatted value into the low element of a vector register. 5367475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowValVec = 53682eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), SplatValue); 53692eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 53702eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Return shuffle(LowValVec, undef, <0,0,0,0>) 53712eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner return DAG.getNode(ISD::VECTOR_SHUFFLE, Node->getValueType(0), LowValVec, 53722eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner DAG.getNode(ISD::UNDEF, Node->getValueType(0)), 53732eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner SplatMask); 53742eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner } 53752eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner } 53762eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5377033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // If there are only two unique elements, we may be able to turn this into a 5378033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // vector shuffle. 5379033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (Values.size() == 2) { 5380f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Get the two values in deterministic order. 5381475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val1 = Node->getOperand(1); 5382475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val2; 5383475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::vector<unsigned> >::iterator MI = Values.begin(); 5384f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (MI->first != Val1) 5385f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = MI->first; 5386f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner else 5387f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = (++MI)->first; 5388f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5389f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // If Val1 is an undef, make sure end ends up as Val2, to ensure that our 5390f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // vector shuffle has the undef vector on the RHS. 5391f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (Val1.getOpcode() == ISD::UNDEF) 5392f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::swap(Val1, Val2); 5393f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5394033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // Build the shuffle constant vector: e.g. <0, 4, 0, 4> 539583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems); 539683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskEltVT = MaskVT.getVectorElementType(); 5397475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::vector<SDValue> MaskVec(NumElems); 5398f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5399f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Set elements of the shuffle mask for Val1. 5400f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::vector<unsigned> &Val1Elts = Values[Val1]; 5401f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner for (unsigned i = 0, e = Val1Elts.size(); i != e; ++i) 5402f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val1Elts[i]] = DAG.getConstant(0, MaskEltVT); 5403f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5404f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Set elements of the shuffle mask for Val2. 5405f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::vector<unsigned> &Val2Elts = Values[Val2]; 5406f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner for (unsigned i = 0, e = Val2Elts.size(); i != e; ++i) 5407f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (Val2.getOpcode() != ISD::UNDEF) 5408f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val2Elts[i]] = DAG.getConstant(NumElems, MaskEltVT); 5409f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner else 5410f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val2Elts[i]] = DAG.getNode(ISD::UNDEF, MaskEltVT); 5411f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5412475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShuffleMask = DAG.getNode(ISD::BUILD_VECTOR, MaskVT, 5413bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &MaskVec[0], MaskVec.size()); 5414033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 5415f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // If the target supports SCALAR_TO_VECTOR and this shuffle mask, use it. 54164352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (TLI.isOperationLegal(ISD::SCALAR_TO_VECTOR, Node->getValueType(0)) && 54174352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner isShuffleLegal(Node->getValueType(0), ShuffleMask)) { 5418f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val1 = DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), Val1); 5419f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), Val2); 5420475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Val1, Val2, ShuffleMask }; 5421033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 5422033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // Return shuffle(LoValVec, HiValVec, <0,1,0,1>) 5423f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner return DAG.getNode(ISD::VECTOR_SHUFFLE, Node->getValueType(0), Ops, 3); 5424033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng } 5425033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng } 5426ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5427ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Otherwise, we can't handle this case efficiently. Allocate a sufficiently 5428ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // aligned object on the stack, store each element into it, then load 5429ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // the result as a vector. 543083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 5431ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Create the stack frame object. 5432475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FIPtr = DAG.CreateStackTemporary(VT); 5433ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5434ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Emit a store of each element to the stack slot. 5435475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Stores; 543683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned TypeByteSize = Node->getOperand(0).getValueType().getSizeInBits()/8; 5437ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Store (in the right endianness) the elements to memory. 5438ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 5439ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Ignore undef elements. 5440ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (Node->getOperand(i).getOpcode() == ISD::UNDEF) continue; 5441ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5442841c882f5dae8c953ea99b5824108313549cfaf8Chris Lattner unsigned Offset = TypeByteSize*i; 5443ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5444475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = DAG.getConstant(Offset, FIPtr.getValueType()); 5445ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Idx = DAG.getNode(ISD::ADD, FIPtr.getValueType(), FIPtr, Idx); 5446ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5447786225adf09e606c795ef68a1f789c12f37869f2Evan Cheng Stores.push_back(DAG.getStore(DAG.getEntryNode(), Node->getOperand(i), Idx, 54488b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng NULL, 0)); 5449ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5450ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5451475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StoreChain; 5452ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (!Stores.empty()) // Not all undef elements? 5453bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner StoreChain = DAG.getNode(ISD::TokenFactor, MVT::Other, 5454bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &Stores[0], Stores.size()); 5455ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner else 5456ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner StoreChain = DAG.getEntryNode(); 5457ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5458ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Result is a load from the stack slot. 5459466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng return DAG.getLoad(VT, StoreChain, FIPtr, NULL, 0); 5460ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner} 5461ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 54625b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattnervoid SelectionDAGLegalize::ExpandShiftParts(unsigned NodeOp, 5463475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op, SDValue Amt, 5464475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi) { 54655b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner // Expand the subcomponents. 5466475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH; 54675b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner ExpandOp(Op, LHSL, LHSH); 54685b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 5469475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { LHSL, LHSH, Amt }; 547083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHSL.getValueType(); 5471f9f37fc52c444e34bad7846729ae5481a65e0a53Chris Lattner Lo = DAG.getNode(NodeOp, DAG.getNodeValueTypes(VT, VT), 2, Ops, 3); 54725b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner Hi = Lo.getValue(1); 54735b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner} 54745b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 54755b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 5476e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// ExpandShift - Try to find a clever way to expand this shift operation out to 5477e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// smaller elements. If we can't find a way that is more efficient than a 5478e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// libcall on this target, return false. Otherwise, return true with the 5479e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// low-parts expanded into Lo and Hi. 5480475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanbool SelectionDAGLegalize::ExpandShift(unsigned Opc, SDValue Op,SDValue Amt, 5481475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi) { 5482e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner assert((Opc == ISD::SHL || Opc == ISD::SRA || Opc == ISD::SRL) && 5483e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner "This is not a shift!"); 5484f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman 548583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(Op.getValueType()); 5486475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShAmt = LegalizeOp(Amt); 548783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShTy = ShAmt.getValueType(); 548883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned ShBits = ShTy.getSizeInBits(); 548983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned VTBits = Op.getValueType().getSizeInBits(); 549083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NVTBits = NVT.getSizeInBits(); 5491f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman 54927a3c85583d523edb90aa957a02385254957c6e37Chris Lattner // Handle the case when Amt is an immediate. 5493ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Amt.getNode())) { 5494f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Cst = CN->getZExtValue(); 5495f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman // Expand the incoming operand to be shifted, so that we have its parts 5496475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 5497f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman ExpandOp(Op, InL, InH); 5498f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman switch(Opc) { 5499f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SHL: 5500f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5501f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5502f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5503f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5504f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5505f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SHL, NVT, InL, DAG.getConstant(Cst-NVTBits,ShTy)); 5506ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5507ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = DAG.getConstant(0, NVT); 5508ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Hi = InL; 5509f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5510f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::SHL, NVT, InL, DAG.getConstant(Cst, ShTy)); 5511f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::OR, NVT, 5512f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(Cst, ShTy)), 5513f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(NVTBits-Cst, ShTy))); 5514f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5515f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5516f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SRL: 5517f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5518f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5519f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5520f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5521f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::SRL, NVT, InH, DAG.getConstant(Cst-NVTBits,ShTy)); 5522f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5523ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5524ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = InH; 5525ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Hi = DAG.getConstant(0, NVT); 5526f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5527f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::OR, NVT, 5528f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(Cst, ShTy)), 5529f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(NVTBits-Cst, ShTy))); 5530f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SRL, NVT, InH, DAG.getConstant(Cst, ShTy)); 5531f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5532f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5533f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SRA: 5534f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5535edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = Lo = DAG.getNode(ISD::SRA, NVT, InH, 5536f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(NVTBits-1, ShTy)); 5537f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5538edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Lo = DAG.getNode(ISD::SRA, NVT, InH, 5539f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(Cst-NVTBits, ShTy)); 5540edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = DAG.getNode(ISD::SRA, NVT, InH, 5541f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(NVTBits-1, ShTy)); 5542ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5543ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = InH; 5544edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = DAG.getNode(ISD::SRA, NVT, InH, 5545ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner DAG.getConstant(NVTBits-1, ShTy)); 5546f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5547f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::OR, NVT, 5548f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(Cst, ShTy)), 5549f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(NVTBits-Cst, ShTy))); 5550f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SRA, NVT, InH, DAG.getConstant(Cst, ShTy)); 5551f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5552f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5553f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5554f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 55550ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55560ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Okay, the shift amount isn't constant. However, if we can tell that it is 55570ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // >= 32 or < 32, we can still simplify it, without knowing the actual value. 555891dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman APInt Mask = APInt::getHighBitsSet(ShBits, ShBits - Log2_32(NVTBits)); 555991dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman APInt KnownZero, KnownOne; 5560ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman DAG.ComputeMaskedBits(Amt, Mask, KnownZero, KnownOne); 55610ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55629e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // If we know that if any of the high bits of the shift amount are one, then 55639e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // we can do this as a couple of simple shifts. 556491dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman if (KnownOne.intersects(Mask)) { 55650ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Mask out the high bit, which we know is set. 55660ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Amt = DAG.getNode(ISD::AND, Amt.getValueType(), Amt, 556791dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman DAG.getConstant(~Mask, Amt.getValueType())); 55680ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55690ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Expand the incoming operand to be shifted, so that we have its parts 5570475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 55710ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner ExpandOp(Op, InL, InH); 55720ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner switch(Opc) { 55730ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SHL: 55740ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getConstant(0, NVT); // Low part is zero. 55750ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SHL, NVT, InL, Amt); // High part from Lo part. 55760ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55770ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRL: 55780ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getConstant(0, NVT); // Hi part is zero. 55790ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SRL, NVT, InH, Amt); // Lo part from Hi part. 55800ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55810ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRA: 55820ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, InH, // Sign extend high part. 55830ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getConstant(NVTBits-1, Amt.getValueType())); 55840ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SRA, NVT, InH, Amt); // Lo part from Hi part. 55850ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55860ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 55870ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 55880ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55899e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // If we know that the high bits of the shift amount are all zero, then we can 55909e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // do this as a couple of simple shifts. 55919e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman if ((KnownZero & Mask) == Mask) { 55920ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Compute 32-amt. 5593475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Amt2 = DAG.getNode(ISD::SUB, Amt.getValueType(), 55940ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getConstant(NVTBits, Amt.getValueType()), 55950ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Amt); 55960ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55970ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Expand the incoming operand to be shifted, so that we have its parts 5598475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 55990ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner ExpandOp(Op, InL, InH); 56000ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner switch(Opc) { 56010ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SHL: 56020ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SHL, NVT, InL, Amt); 56030ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::OR, NVT, 56040ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt), 56050ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt2)); 56060ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56070ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRL: 56080ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRL, NVT, InH, Amt); 56090ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::OR, NVT, 56100ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt), 56110ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt2)); 56120ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56130ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRA: 56140ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, InH, Amt); 56150ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::OR, NVT, 56160ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt), 56170ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt2)); 56180ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56190ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 56200ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 56210ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 5622f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return false; 5623e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner} 562477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner 56259c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner 562677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// ExpandLibCall - Expand a node into a call to a libcall. If the result value 562777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// does not fit into a register, return the lo part and set the hi part to the 562877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// by-reg argument. If it does fit into a single register, return the result 562977e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// and leave the Hi part unset. 5630475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, 5631475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned, SDValue &Hi) { 56326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "Cannot overlap legalization of calls!"); 56336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // The input chain to this libcall is the entry node of the function. 56346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalizing the call will automatically add the previous call to the 56356831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // dependence. 5636475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InChain = DAG.getEntryNode(); 56376831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 563877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner TargetLowering::ArgListTy Args; 563947857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer TargetLowering::ArgListEntry Entry; 564077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 564183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ArgVT = Node->getOperand(i).getValueType(); 564283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *ArgTy = ArgVT.getTypeForMVT(); 564347857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer Entry.Node = Node->getOperand(i); Entry.Ty = ArgTy; 5644d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov Entry.isSExt = isSigned; 564500fee65fd21f9615d1a604b8b7d42cd16a3f6b47Duncan Sands Entry.isZExt = !isSigned; 564647857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer Args.push_back(Entry); 564777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner } 5648056292fd738924f3f7703725d8f630983794b5a5Bill Wendling SDValue Callee = DAG.getExternalSymbol(TLI.getLibcallName(LC), 56490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getPointerTy()); 5650edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 56510d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner // Splice the libcall in wherever FindInputOutputChains tells us to. 565283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *RetTy = Node->getValueType(0).getTypeForMVT(); 5653475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::pair<SDValue,SDValue> CallInfo = 565486098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen TLI.LowerCallTo(InChain, RetTy, isSigned, !isSigned, false, false, 565586098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen CallingConv::C, false, Callee, Args, DAG); 56560d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner 56576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalize the call sequence, starting with the chain. This will advance 56586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // the LastCALLSEQ_END to the legalized version of the CALLSEQ_END node that 56596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // was added by LowerCallTo (guaranteeing proper serialization of calls). 56606831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LegalizeOp(CallInfo.second); 5661475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 56620d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner switch (getTypeAction(CallInfo.first.getValueType())) { 566377e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner default: assert(0 && "Unknown thing"); 566477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner case Legal: 5665456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = CallInfo.first; 566699c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner break; 566777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner case Expand: 566899c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner ExpandOp(CallInfo.first, Result, Hi); 566999c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner break; 567077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner } 567122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Result; 567222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 567322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 56747f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman/// LegalizeINT_TO_FP - Legalize a [US]INT_TO_FP operation. 56757f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman/// 56767f8613e5b8398b688080e3c944ab8c11593e1ed0Dan GohmanSDValue SelectionDAGLegalize:: 56777f8613e5b8398b688080e3c944ab8c11593e1ed0Dan GohmanLegalizeINT_TO_FP(SDValue Result, bool isSigned, MVT DestTy, SDValue Op) { 56787f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman bool isCustom = false; 56797f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Tmp1; 56807f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman switch (getTypeAction(Op.getValueType())) { 56817f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Legal: 56827f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman switch (TLI.getOperationAction(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 56837f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Op.getValueType())) { 56847f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman default: assert(0 && "Unknown operation action!"); 56857f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Custom: 56867f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman isCustom = true; 56877f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman // FALLTHROUGH 56887f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Legal: 56897f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = LegalizeOp(Op); 5690ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) 56917f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 56927f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman else 56937f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 56947f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy, Tmp1); 56957f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (isCustom) { 56967f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = TLI.LowerOperation(Result, DAG); 5697ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 56987f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 56997f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57007f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Expand: 57017f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = ExpandLegalINT_TO_FP(isSigned, LegalizeOp(Op), DestTy); 57027f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57037f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Promote: 57047f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = PromoteLegalINT_TO_FP(LegalizeOp(Op), DestTy, isSigned); 57057f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57067f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57077f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57087f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Expand: 57097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = ExpandIntToFP(isSigned, DestTy, Op); 57107f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57117f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Promote: 57127f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = PromoteOp(Op); 57137f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (isSigned) { 57147f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp1.getValueType(), 57157f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1, DAG.getValueType(Op.getValueType())); 57167f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } else { 57177f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = DAG.getZeroExtendInReg(Tmp1, 57187f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Op.getValueType()); 57197f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 5720ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) 57217f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 57227f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman else 57237f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 57247f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy, Tmp1); 57257f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = LegalizeOp(Result); // The 'op' is not necessarily legal! 57267f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57277f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57287f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return Result; 57297f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman} 573022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 57314c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng/// ExpandIntToFP - Expand a [US]INT_TO_FP operation. 57324c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng/// 5733475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize:: 5734475871a144eb604ddaf37503397ba0941442e5fbDan GohmanExpandIntToFP(bool isSigned, MVT DestTy, SDValue Source) { 573583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SourceVT = Source.getValueType(); 5736034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman bool ExpandSource = getTypeAction(SourceVT) == Expand; 573722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 57387f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman // Expand unsupported int-to-fp vector casts by unrolling them. 57397f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (DestTy.isVector()) { 57407f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (!ExpandSource) 57417f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return LegalizeOp(UnrollVectorOp(Source)); 57427f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT DestEltTy = DestTy.getVectorElementType(); 57437f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (DestTy.getVectorNumElements() == 1) { 57447f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Scalar = ScalarizeVectorOp(Source); 57457f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Result = LegalizeINT_TO_FP(SDValue(), isSigned, 57467f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestEltTy, Scalar); 57477f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return DAG.getNode(ISD::BUILD_VECTOR, DestTy, Result); 57487f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57497f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Lo, Hi; 57507f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SplitVectorOp(Source, Lo, Hi); 57517f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT SplitDestTy = MVT::getVectorVT(DestEltTy, 57527f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy.getVectorNumElements() / 2); 57537f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue LoResult = LegalizeINT_TO_FP(SDValue(), isSigned, SplitDestTy, Lo); 57547f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue HiResult = LegalizeINT_TO_FP(SDValue(), isSigned, SplitDestTy, Hi); 5755efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng return LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, DestTy, LoResult, 5756efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng HiResult)); 57577f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57587f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 57599845eb5b033db5ba5213d0b8dba958c1e168ccd3Evan Cheng // Special case for i32 source to take advantage of UINTTOFP_I32_F32, etc. 57609845eb5b033db5ba5213d0b8dba958c1e168ccd3Evan Cheng if (!isSigned && SourceVT != MVT::i32) { 576134bc178e4da0105f3a50a00cc06ca1193c529bcbDan Gohman // The integer value loaded will be incorrectly if the 'sign bit' of the 576222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // incoming integer is set. To handle this, we dynamically test to see if 576322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // it is set, and, if so, add a fudge factor. 5764475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi; 5765034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman if (ExpandSource) { 5766475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo; 5767034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman ExpandOp(Source, Lo, Hi); 5768034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Source = DAG.getNode(ISD::BUILD_PAIR, SourceVT, Lo, Hi); 5769034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } else { 5770034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman // The comparison for the sign bit will use the entire operand. 5771034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Hi = Source; 5772034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } 577322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 577453997b07451a28582a8bb55716e13fc1bcd5c838Dale Johannesen // Check to see if the target has a custom way to lower this. If so, use 577553997b07451a28582a8bb55716e13fc1bcd5c838Dale Johannesen // it. (Note we've already expanded the operand in this case.) 57761c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen switch (TLI.getOperationAction(ISD::UINT_TO_FP, SourceVT)) { 57771c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen default: assert(0 && "This action not implemented for this operation!"); 57781c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Legal: 57791c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Expand: 57801c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen break; // This case is handled below. 57811c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Custom: { 57821c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::UINT_TO_FP, DestTy, 57831c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen Source), DAG); 57841c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen if (NV.getNode()) 57851c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen return LegalizeOp(NV); 57861c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen break; // The target decided this was legal after all 57871c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen } 57881c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen } 57891c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen 579022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If this is unsigned, and not supported, first perform the conversion to 579122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // signed, then adjust the result if the sign bit is set. 5792475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignedConv = ExpandIntToFP(true, DestTy, Source); 579322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5794475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignSet = DAG.getSetCC(TLI.getSetCCResultType(Hi), Hi, 579522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getConstant(0, Hi.getValueType()), 579622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner ISD::SETLT); 5797475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getIntPtrConstant(0), Four = DAG.getIntPtrConstant(4); 5798475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CstOffset = DAG.getNode(ISD::SELECT, Zero.getValueType(), 579922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner SignSet, Four, Zero); 580022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner uint64_t FF = 0x5f800000ULL; 580122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (TLI.isLittleEndian()) FF <<= 32; 580234bc178e4da0105f3a50a00cc06ca1193c529bcbDan Gohman static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF); 580322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5804475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy()); 580550284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 580622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); 580787a0f10dc7eff8cf5e83a754f75adf9cb3991435Dan Gohman Alignment = std::min(Alignment, 4u); 5808475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FudgeInReg; 580922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestTy == MVT::f32) 581069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, 581150284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 581250284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 58138e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands else if (DestTy.bitsGT(MVT::f32)) 58144c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // FIXME: Avoid the extend by construction the right constantpool? 5815118cd9dbbad3a47f37dc1b1529ef920e4d5e13f6Dale Johannesen FudgeInReg = DAG.getExtLoad(ISD::EXTLOAD, DestTy, DAG.getEntryNode(), 581669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman CPIdx, 58173069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getConstantPool(), 0, 581850284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman MVT::f32, false, Alignment); 58199e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen else 58209e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen assert(0 && "Unexpected conversion"); 58219e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen 582283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SCVT = SignedConv.getValueType(); 58234c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng if (SCVT != DestTy) { 58244c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // Destination type needs to be expanded as well. The FADD now we are 58254c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // constructing will be expanded into a libcall. 582683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (SCVT.getSizeInBits() != DestTy.getSizeInBits()) { 582783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(SCVT.getSizeInBits() * 2 == DestTy.getSizeInBits()); 5828d91446de7a89a22c8ea1cbfd40fe2528467a4ccbDan Gohman SignedConv = DAG.getNode(ISD::BUILD_PAIR, DestTy, 58294c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng SignedConv, SignedConv.getValue(1)); 58304c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng } 58314c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng SignedConv = DAG.getNode(ISD::BIT_CONVERT, DestTy, SignedConv); 58324c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng } 583322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::FADD, DestTy, SignedConv, FudgeInReg); 583422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 583522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 583622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Check to see if the target has a custom way to lower this. If so, use it. 5837d91446de7a89a22c8ea1cbfd40fe2528467a4ccbDan Gohman switch (TLI.getOperationAction(ISD::SINT_TO_FP, SourceVT)) { 583822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "This action not implemented for this operation!"); 583922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 584022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Expand: 584122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // This case is handled below. 584222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: { 5843475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::SINT_TO_FP, DestTy, 584422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Source), DAG); 5845ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (NV.getNode()) 584622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return LegalizeOp(NV); 584722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // The target decided this was legal after all 584822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 584922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 585022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 585122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Expand the source, then glue it back together for the call. We must expand 585222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // the source in case it is shared (this pass of legalize must traverse it). 5853034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman if (ExpandSource) { 5854475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SrcLo, SrcHi; 5855034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman ExpandOp(Source, SrcLo, SrcHi); 5856034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Source = DAG.getNode(ISD::BUILD_PAIR, SourceVT, SrcLo, SrcHi); 5857034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } 585822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5859b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = isSigned ? 5860b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getSINTTOFP(SourceVT, DestTy) : 5861b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getUINTTOFP(SourceVT, DestTy); 5862b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unknown int value type"); 5863b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands 58646831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Source = DAG.getNode(ISD::SINT_TO_FP, DestTy, Source); 5865475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiPart; 5866ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDValue Result = ExpandLibCall(LC, Source.getNode(), isSigned, HiPart); 5867ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getValueType() != DestTy && HiPart.getNode()) 5868a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Result = DAG.getNode(ISD::BUILD_PAIR, DestTy, Result, HiPart); 5869a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman return Result; 587022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 587122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 587222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandLegalINT_TO_FP - This function is responsible for legalizing a 587322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// INT_TO_FP operation of the specified operand when the target requests that 587422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we expand it. At this point, we know that the result and operand types are 587522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target. 5876475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned, 5877475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0, 5878475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT) { 587922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (Op0.getValueType() == MVT::i32) { 588022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // simple 32-bit [signed|unsigned] integer to float/double expansion 588122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 588223594d4537fb88a963c6d6993af5027eac9bfbacChris Lattner // Get the stack frame index of a 8 byte buffer. 5883475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackSlot = DAG.CreateStackTemporary(MVT::f64); 588423594d4537fb88a963c6d6993af5027eac9bfbacChris Lattner 588522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // word offset constant for Hi/Lo address computation 5886475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue WordOff = DAG.getConstant(sizeof(int), TLI.getPointerTy()); 588722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // set up Hi and Lo (into buffer) address based on endian 5888475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = StackSlot; 5889475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = DAG.getNode(ISD::ADD, TLI.getPointerTy(), StackSlot,WordOff); 5890408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner if (TLI.isLittleEndian()) 5891408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner std::swap(Hi, Lo); 5892408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner 589322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // if signed map to unsigned space 5894475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0Mapped; 589522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (isSigned) { 589622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // constant used to invert sign bit (signed to unsigned mapping) 5897475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit = DAG.getConstant(0x80000000u, MVT::i32); 589822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op0Mapped = DAG.getNode(ISD::XOR, MVT::i32, Op0, SignBit); 589922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } else { 590022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op0Mapped = Op0; 590122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 590222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // store the lo of the constructed double - based on integer input 5903475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store1 = DAG.getStore(DAG.getEntryNode(), 59048b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Op0Mapped, Lo, NULL, 0); 590522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // initial hi portion of constructed double 5906475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InitialHi = DAG.getConstant(0x43300000u, MVT::i32); 590722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // store the hi of the constructed double - biased exponent 5908475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store2=DAG.getStore(Store1, InitialHi, Hi, NULL, 0); 590922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // load the constructed double 5910475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Load = DAG.getLoad(MVT::f64, Store2, StackSlot, NULL, 0); 591122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FP constant to bias correct the final result 5912475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Bias = DAG.getConstantFP(isSigned ? 591322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner BitsToDouble(0x4330000080000000ULL) 591422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner : BitsToDouble(0x4330000000000000ULL), 591522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner MVT::f64); 591622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // subtract the bias 5917475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Sub = DAG.getNode(ISD::FSUB, MVT::f64, Load, Bias); 591822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // final result 5919475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 592022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // handle final rounding 592122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestVT == MVT::f64) { 592222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // do nothing 592322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Result = Sub; 59248e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands } else if (DestVT.bitsLT(MVT::f64)) { 59250bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, DestVT, Sub, 59260bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(0)); 59278e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands } else if (DestVT.bitsGT(MVT::f64)) { 5928118cd9dbbad3a47f37dc1b1529ef920e4d5e13f6Dale Johannesen Result = DAG.getNode(ISD::FP_EXTEND, DestVT, Sub); 592922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 593022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Result; 593122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 593222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner assert(!isSigned && "Legalize cannot Expand SINT_TO_FP for i64 yet"); 5933475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1 = DAG.getNode(ISD::SINT_TO_FP, DestVT, Op0); 593422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5935475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignSet = DAG.getSetCC(TLI.getSetCCResultType(Op0), Op0, 593622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getConstant(0, Op0.getValueType()), 593722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner ISD::SETLT); 5938475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getIntPtrConstant(0), Four = DAG.getIntPtrConstant(4); 5939475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CstOffset = DAG.getNode(ISD::SELECT, Zero.getValueType(), 594022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner SignSet, Four, Zero); 594122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 594222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the sign bit of the integer is set, the large number will be treated 594322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // as a negative number. To counteract this, the dynamic code adds an 594422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // offset depending on the data type. 594522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner uint64_t FF; 594683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands switch (Op0.getValueType().getSimpleVT()) { 594722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Unsupported integer type!"); 594822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i8 : FF = 0x43800000ULL; break; // 2^8 (as a float) 594922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i16: FF = 0x47800000ULL; break; // 2^16 (as a float) 595022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i32: FF = 0x4F800000ULL; break; // 2^32 (as a float) 595122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i64: FF = 0x5F800000ULL; break; // 2^64 (as a float) 595222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 595322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (TLI.isLittleEndian()) FF <<= 32; 595447857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF); 595522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5956475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy()); 595750284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 595822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); 595987a0f10dc7eff8cf5e83a754f75adf9cb3991435Dan Gohman Alignment = std::min(Alignment, 4u); 5960475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FudgeInReg; 596122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestVT == MVT::f32) 596269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, 596350284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 596450284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 596522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner else { 596669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = 596769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman LegalizeOp(DAG.getExtLoad(ISD::EXTLOAD, DestVT, 596869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman DAG.getEntryNode(), CPIdx, 59693069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getConstantPool(), 0, 597050284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman MVT::f32, false, Alignment)); 597122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 597222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 597322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::FADD, DestVT, Tmp1, FudgeInReg); 597422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 597522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 597622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// PromoteLegalINT_TO_FP - This function is responsible for legalizing a 597722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// *INT_TO_FP operation of the specified operand when the target requests that 597822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we promote it. At this point, we know that the result and operand types are 597922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target, and that there is a legal UINT_TO_FP or SINT_TO_FP 598022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// operation that takes a larger input. 5981475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteLegalINT_TO_FP(SDValue LegalOp, 5982475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT, 5983475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned) { 598422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // First step, figure out the appropriate *INT_TO_FP operation to use. 598583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewInTy = LegalOp.getValueType(); 598622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 598722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner unsigned OpToUse = 0; 598822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 598922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Scan for the appropriate larger type to use. 599022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner while (1) { 599183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); 599283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isInteger() && "Ran out of possibilities!"); 599322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 599422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports SINT_TO_FP of this type, use it. 599522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::SINT_TO_FP, NewInTy)) { 599622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 599722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 599822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewInTy)) 599922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 600022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 600122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 600222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::SINT_TO_FP; 600322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 600422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 600522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 600622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (isSigned) continue; 600722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 600822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports UINT_TO_FP of this type, use it. 600922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::UINT_TO_FP, NewInTy)) { 601022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 601122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 601222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewInTy)) 601322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 601422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 601522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 601622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::UINT_TO_FP; 601722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 601822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 601922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 602022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 602122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Otherwise, try a larger type. 602222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 602322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 602422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Okay, we found the operation and type to use. Zero extend our input to the 602522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // desired type then run the operation on it. 602622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(OpToUse, DestVT, 602722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(isSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, 602822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner NewInTy, LegalOp)); 602977e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner} 603077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner 603122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// PromoteLegalFP_TO_INT - This function is responsible for legalizing a 603222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// FP_TO_*INT operation of the specified operand when the target requests that 603322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we promote it. At this point, we know that the result and operand types are 603422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target, and that there is a legal FP_TO_UINT or FP_TO_SINT 603522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// operation that returns a larger result. 6036475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteLegalFP_TO_INT(SDValue LegalOp, 6037475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT, 6038475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned) { 603922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // First step, figure out the appropriate FP_TO*INT operation to use. 604083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewOutTy = DestVT; 60419c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner 604222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner unsigned OpToUse = 0; 6043e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner 604422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Scan for the appropriate larger type to use. 604522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner while (1) { 604683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewOutTy = (MVT::SimpleValueType)(NewOutTy.getSimpleVT()+1); 604783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewOutTy.isInteger() && "Ran out of possibilities!"); 604866de05b606cf31f1f23ed0c4eb1f097738cd1506Chris Lattner 604922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports FP_TO_SINT returning this type, use it. 605022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::FP_TO_SINT, NewOutTy)) { 605122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 605222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 605322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewOutTy)) 605422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 605522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 605622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 605722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::FP_TO_SINT; 605822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 605922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 606022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 6061e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner 606222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports FP_TO_UINT of this type, use it. 606322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::FP_TO_UINT, NewOutTy)) { 606422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 606522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 606622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewOutTy)) 606722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 606822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 606922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 607022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::FP_TO_UINT; 607122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 6072e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner } 607322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 60740d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner 607522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Otherwise, try a larger type. 6076a88a260dbd874a3bdd3e47f4f15ab0d7c7803044Chris Lattner } 6077a88a260dbd874a3bdd3e47f4f15ab0d7c7803044Chris Lattner 607827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner 607927a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Okay, we found the operation and type to use. 6080475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Operation = DAG.getNode(OpToUse, NewOutTy, LegalOp); 6081126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 608227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // If the operation produces an invalid type, it must be custom lowered. Use 608327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // the target lowering hooks to expand it. Just keep the low part of the 608427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // expanded operation, we know that we're truncating anyway. 608527a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner if (getTypeAction(NewOutTy) == Expand) { 6086ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Operation = SDValue(TLI.ReplaceNodeResults(Operation.getNode(), DAG), 0); 6087ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Operation.getNode() && "Didn't return anything"); 608827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner } 6089126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 609027a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Truncate the result of the extended FP_TO_*INT operation to the desired 609127a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // size. 609227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner return DAG.getNode(ISD::TRUNCATE, DestVT, Operation); 609322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 609413689e2009e71f7982d1313ed699e0e6a50157d0Chris Lattner 609522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandBSWAP - Open code the operations for BSWAP of the specified operation. 609622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// 6097475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBSWAP(SDValue Op) { 609883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 609983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SHVT = TLI.getShiftAmountTy(); 6100475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Tmp4, Tmp5, Tmp6, Tmp7, Tmp8; 610183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands switch (VT.getSimpleVT()) { 610222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Unhandled Expand type in BSWAP!"); abort(); 610322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i16: 610422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 610522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 610622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp1, Tmp2); 610722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i32: 610822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(24, SHVT)); 610922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 611022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 611122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(24, SHVT)); 611222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::AND, VT, Tmp3, DAG.getConstant(0xFF0000, VT)); 611322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::AND, VT, Tmp2, DAG.getConstant(0xFF00, VT)); 611422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); 611522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); 611622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); 611722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i64: 611822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(56, SHVT)); 611922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp7 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(40, SHVT)); 612022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(24, SHVT)); 612122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp5 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 612222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 612322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(24, SHVT)); 612422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(40, SHVT)); 612522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(56, SHVT)); 612622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp7 = DAG.getNode(ISD::AND, VT, Tmp7, DAG.getConstant(255ULL<<48, VT)); 612722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::AND, VT, Tmp6, DAG.getConstant(255ULL<<40, VT)); 612822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp5 = DAG.getNode(ISD::AND, VT, Tmp5, DAG.getConstant(255ULL<<32, VT)); 612922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::AND, VT, Tmp4, DAG.getConstant(255ULL<<24, VT)); 613022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::AND, VT, Tmp3, DAG.getConstant(255ULL<<16, VT)); 613122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::AND, VT, Tmp2, DAG.getConstant(255ULL<<8 , VT)); 613222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp7); 613322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::OR, VT, Tmp6, Tmp5); 613422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); 613522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); 613622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp6); 613722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); 613822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp8, Tmp4); 61390d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner } 614077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner} 6141edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 614222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandBitCount - Expand the specified bitcount instruction into operations. 614322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// 6144475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBitCount(unsigned Opc, SDValue Op) { 614522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (Opc) { 614622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Cannot expand this yet!"); 614722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTPOP: { 614822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner static const uint64_t mask[6] = { 614922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x5555555555555555ULL, 0x3333333333333333ULL, 615022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x0F0F0F0F0F0F0F0FULL, 0x00FF00FF00FF00FFULL, 615122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x0000FFFF0000FFFFULL, 0x00000000FFFFFFFFULL 615222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner }; 615383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 615483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShVT = TLI.getShiftAmountTy(); 615583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned len = VT.getSizeInBits(); 615622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner for (unsigned i = 0; (1U << i) <= (len / 2); ++i) { 615722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner //x = (x & mask[i][len/8]) + (x >> (1 << i) & mask[i][len/8]) 6158475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = DAG.getConstant(mask[i], VT); 6159475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getConstant(1ULL << i, ShVT); 616022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::ADD, VT, DAG.getNode(ISD::AND, VT, Op, Tmp2), 616122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::AND, VT, 616222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::SRL, VT, Op, Tmp3),Tmp2)); 616322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 616422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Op; 616522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 616622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTLZ: { 616722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // for now, we do this: 616822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >> 1); 616922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >> 2); 617022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // ... 617122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >>16); 617222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >>32); // for 64-bit input 617322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // return popcount(~x); 617422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // 617522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // but see also: http://www.hackersdelight.org/HDcode/nlz.cc 617683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 617783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShVT = TLI.getShiftAmountTy(); 617883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned len = VT.getSizeInBits(); 617922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner for (unsigned i = 0; (1U << i) <= (len / 2); ++i) { 6180475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getConstant(1ULL << i, ShVT); 618122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::OR, VT, Op, DAG.getNode(ISD::SRL, VT, Op, Tmp3)); 618222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 618322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::XOR, VT, Op, DAG.getConstant(~0ULL, VT)); 618422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::CTPOP, VT, Op); 618522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 618622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTTZ: { 618722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // for now, we use: { return popcount(~x & (x - 1)); } 618822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // unless the target has ctlz but not ctpop, in which case we use: 618922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // { return 32 - nlz(~x & (x-1)); } 619022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // see also http://www.hackersdelight.org/HDcode/ntz.cc 619183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 6192475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = DAG.getConstant(~0ULL, VT); 6193475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getNode(ISD::AND, VT, 619422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::XOR, VT, Op, Tmp2), 619522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::SUB, VT, Op, DAG.getConstant(1, VT))); 619622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If ISD::CTLZ is legal and CTPOP isn't, then do that instead. 619722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isOperationLegal(ISD::CTPOP, VT) && 619822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner TLI.isOperationLegal(ISD::CTLZ, VT)) 619922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::SUB, VT, 620083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits(), VT), 620122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::CTLZ, VT, Tmp3)); 620222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::CTPOP, VT, Tmp3); 620322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 620422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 620522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 6206e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 6207475871a144eb604ddaf37503397ba0941442e5fbDan Gohman/// ExpandOp - Expand the specified SDValue into its two component pieces 62083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// Lo&Hi. Note that the Op MUST be an expanded type. As a result of this, the 6209929d3eb171cd95a7fb353ef71a460d2061be4e6cDan Gohman/// LegalizedNodes map is filled in for any results that are not expanded, the 62103e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// ExpandedNodes map is filled in for any results that are expanded, and the 62113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// Lo/Hi values are returned. 6212475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::ExpandOp(SDValue Op, SDValue &Lo, SDValue &Hi){ 621383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 621483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 6215ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 62163e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(getTypeAction(VT) == Expand && "Not an expanded type!"); 62178e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(((NVT.isInteger() && NVT.bitsLT(VT)) || VT.isFloatingPoint() || 621883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.isVector()) && "Cannot expand to FP value or to larger int value!"); 62193e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 62206fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner // See if we already expanded it. 6221475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, std::pair<SDValue, SDValue> >::iterator I 62226fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner = ExpandedNodes.find(Op); 62236fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner if (I != ExpandedNodes.end()) { 62246fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner Lo = I->second.first; 62256fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner Hi = I->second.second; 62266fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner return; 62273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 62283e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 62293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getOpcode()) { 6230348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner case ISD::CopyFromReg: 6231348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner assert(0 && "CopyFromReg must be legal!"); 62326eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen case ISD::FP_ROUND_INREG: 62336eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen if (VT == MVT::ppcf128 && 62346eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen TLI.getOperationAction(ISD::FP_ROUND_INREG, VT) == 62356eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen TargetLowering::Custom) { 6236475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SrcLo, SrcHi, Src; 6237fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen ExpandOp(Op.getOperand(0), SrcLo, SrcHi); 6238fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Src = DAG.getNode(ISD::BUILD_PAIR, VT, SrcLo, SrcHi); 6239475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = TLI.LowerOperation( 6240fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_ROUND_INREG, VT, Src, Op.getOperand(1)), DAG); 6241ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getOpcode() == ISD::BUILD_PAIR); 6242ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Lo = Result.getNode()->getOperand(0); 6243ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = Result.getNode()->getOperand(1); 62446eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen break; 62456eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen } 62466eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen // fall through 6247348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner default: 6248e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 624939833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 6250e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 62513e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(0 && "Do not know how to expand this operator!"); 62523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner abort(); 62531953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman case ISD::EXTRACT_ELEMENT: 62541953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman ExpandOp(Node->getOperand(0), Lo, Hi); 6255f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) 62561953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman return ExpandOp(Hi, Lo, Hi); 625718714aeaed2a74bfc85dc5abe24a9193882406c5Dan Gohman return ExpandOp(Lo, Lo, Hi); 625825f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen case ISD::EXTRACT_VECTOR_ELT: 625925f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen // ExpandEXTRACT_VECTOR_ELT tolerates invalid result types. 626025f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen Lo = ExpandEXTRACT_VECTOR_ELT(Op); 626125f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen return ExpandOp(Lo, Lo, Hi); 6262fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: 6263fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Lo = DAG.getNode(ISD::UNDEF, NVT); 6264fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Hi = DAG.getNode(ISD::UNDEF, NVT); 6265fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 62663e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::Constant: { 626783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NVTBits = NVT.getSizeInBits(); 6268050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman const APInt &Cst = cast<ConstantSDNode>(Node)->getAPIntValue(); 6269050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman Lo = DAG.getConstant(APInt(Cst).trunc(NVTBits), NVT); 6270050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman Hi = DAG.getConstant(Cst.lshr(NVTBits).trunc(NVTBits), NVT); 62713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 62723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 6273004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng case ISD::ConstantFP: { 6274004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node); 6275a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen if (CFP->getValueType(0) == MVT::ppcf128) { 62767111b02c734c992b8c97d9918118768026dad79eDale Johannesen APInt api = CFP->getValueAPF().bitcastToAPInt(); 6277a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &api.getRawData()[1])), 6278a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen MVT::f64); 6279a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen Hi = DAG.getConstantFP(APFloat(APInt(64, 1, &api.getRawData()[0])), 6280a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen MVT::f64); 6281a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen break; 6282a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen } 6283279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng Lo = ExpandConstantFP(CFP, false, DAG, TLI); 62849f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (getTypeAction(Lo.getValueType()) == Expand) 62859f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng ExpandOp(Lo, Lo, Hi); 6286004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng break; 6287004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 6288d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner case ISD::BUILD_PAIR: 62898137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Return the operands. 62908137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = Node->getOperand(0); 62918137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = Node->getOperand(1); 6292d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner break; 629327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner 629427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner case ISD::MERGE_VALUES: 6295c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner if (Node->getNumValues() == 1) { 6296c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner ExpandOp(Op.getOperand(0), Lo, Hi); 6297c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner break; 6298c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner } 629927a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // FIXME: For now only expand i64,chain = MERGE_VALUES (x, y) 630099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif assert(Op.getResNo() == 0 && Node->getNumValues() == 2 && 630127a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner Op.getValue(1).getValueType() == MVT::Other && 630227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner "unhandled MERGE_VALUES"); 630327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner ExpandOp(Op.getOperand(0), Lo, Hi); 630427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Remember that we legalized the chain. 630527a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Op.getOperand(1))); 630627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner break; 630758f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner 630858f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner case ISD::SIGN_EXTEND_INREG: 630958f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 63104bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // sext_inreg the low part if needed. 63114bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner Lo = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Lo, Node->getOperand(1)); 63124bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner 63134bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // The high part gets the sign extension from the lo-part. This handles 63144bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // things like sextinreg V:i64 from i8. 631558f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, Lo, 631683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits()-1, 631758f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner TLI.getShiftAmountTy())); 631858f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner break; 6319d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner 6320d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: { 6321d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman ExpandOp(Node->getOperand(0), Lo, Hi); 6322475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TempLo = DAG.getNode(ISD::BSWAP, NVT, Hi); 6323d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Hi = DAG.getNode(ISD::BSWAP, NVT, Lo); 6324d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Lo = TempLo; 6325d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 6326d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman } 6327d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman 6328edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner case ISD::CTPOP: 6329edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 63309b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner Lo = DAG.getNode(ISD::ADD, NVT, // ctpop(HL) -> ctpop(H)+ctpop(L) 63319b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner DAG.getNode(ISD::CTPOP, NVT, Lo), 63329b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner DAG.getNode(ISD::CTPOP, NVT, Hi)); 6333edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner Hi = DAG.getConstant(0, NVT); 6334edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner break; 6335edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 633639a8f336305a492fc6d2625f39f08968185616d2Chris Lattner case ISD::CTLZ: { 633739a8f336305a492fc6d2625f39f08968185616d2Chris Lattner // ctlz (HL) -> ctlz(H) != 32 ? ctlz(H) : (ctlz(L)+32) 63383becf2026bec881a60cbbe0031d8c51f4d6d4e28Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 6339475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BitsC = DAG.getConstant(NVT.getSizeInBits(), NVT); 6340475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HLZ = DAG.getNode(ISD::CTLZ, NVT, Hi); 6341475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TopNotZero = DAG.getSetCC(TLI.getSetCCResultType(HLZ), HLZ, BitsC, 63427cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETNE); 6343475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowPart = DAG.getNode(ISD::CTLZ, NVT, Lo); 634439a8f336305a492fc6d2625f39f08968185616d2Chris Lattner LowPart = DAG.getNode(ISD::ADD, NVT, LowPart, BitsC); 634539a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 634639a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, TopNotZero, HLZ, LowPart); 634739a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Hi = DAG.getConstant(0, NVT); 634839a8f336305a492fc6d2625f39f08968185616d2Chris Lattner break; 634939a8f336305a492fc6d2625f39f08968185616d2Chris Lattner } 635039a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 635139a8f336305a492fc6d2625f39f08968185616d2Chris Lattner case ISD::CTTZ: { 635239a8f336305a492fc6d2625f39f08968185616d2Chris Lattner // cttz (HL) -> cttz(L) != 32 ? cttz(L) : (cttz(H)+32) 63533becf2026bec881a60cbbe0031d8c51f4d6d4e28Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 6354475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BitsC = DAG.getConstant(NVT.getSizeInBits(), NVT); 6355475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LTZ = DAG.getNode(ISD::CTTZ, NVT, Lo); 6356475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BotNotZero = DAG.getSetCC(TLI.getSetCCResultType(LTZ), LTZ, BitsC, 63577cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETNE); 6358475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiPart = DAG.getNode(ISD::CTTZ, NVT, Hi); 635939a8f336305a492fc6d2625f39f08968185616d2Chris Lattner HiPart = DAG.getNode(ISD::ADD, NVT, HiPart, BitsC); 636039a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 636139a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, BotNotZero, LTZ, HiPart); 636239a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Hi = DAG.getConstant(0, NVT); 636339a8f336305a492fc6d2625f39f08968185616d2Chris Lattner break; 636439a8f336305a492fc6d2625f39f08968185616d2Chris Lattner } 6365edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 6366acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAARG: { 6367475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = Node->getOperand(0); // Legalize the chain. 6368475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = Node->getOperand(1); // Legalize the pointer. 6369acc398c195a697795bff3245943d104eb19192b9Nate Begeman Lo = DAG.getVAArg(NVT, Ch, Ptr, Node->getOperand(2)); 6370acc398c195a697795bff3245943d104eb19192b9Nate Begeman Hi = DAG.getVAArg(NVT, Lo.getValue(1), Ptr, Node->getOperand(2)); 6371acc398c195a697795bff3245943d104eb19192b9Nate Begeman 6372acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Remember that we legalized the chain. 63738137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = LegalizeOp(Hi); 6374acc398c195a697795bff3245943d104eb19192b9Nate Begeman AddLegalizedOperand(Op.getValue(1), Hi.getValue(1)); 63750753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 6376acc398c195a697795bff3245943d104eb19192b9Nate Begeman std::swap(Lo, Hi); 6377acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 6378acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 6379acc398c195a697795bff3245943d104eb19192b9Nate Begeman 63803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::LOAD: { 6381466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 6382475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LD->getChain(); // Legalize the chain. 6383475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); // Legalize the pointer. 6384466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng ISD::LoadExtType ExtType = LD->getExtensionType(); 63857f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman const Value *SV = LD->getSrcValue(); 6386d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman int SVOffset = LD->getSrcValueOffset(); 6387d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman unsigned Alignment = LD->getAlignment(); 6388d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman bool isVolatile = LD->isVolatile(); 6389466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6390466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::NON_EXTLOAD) { 63917f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(NVT, Ch, Ptr, SV, SVOffset, 6392d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman isVolatile, Alignment); 6393004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 6394004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // f32->i32 or f64->i64 one to one expansion. 6395004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // Remember that we legalized the chain. 6396475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1))); 63979f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng // Recursively expand the new load. 63989f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (getTypeAction(NVT) == Expand) 63999f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng ExpandOp(Lo, Lo, Hi); 6400004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng break; 6401004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 6402466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6403466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Increment the pointer to the other half. 640483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned IncrementSize = Lo.getValueType().getSizeInBits()/8; 6405466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 64060bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 64077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SVOffset += IncrementSize; 6408dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 64097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Hi = DAG.getLoad(NVT, Ch, Ptr, SV, SVOffset, 6410d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman isVolatile, Alignment); 6411466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6412466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Build a factor node to remember that this load is independent of the 6413466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // other one. 6414475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 6415466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi.getValue(1)); 6416466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6417466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Remember that we legalized the chain. 6418466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng AddLegalizedOperand(Op.getValue(1), LegalizeOp(TF)); 64190753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 6420466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng std::swap(Lo, Hi); 6421466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else { 642283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = LD->getMemoryVT(); 6423548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng 6424b6210fc92b643a5440d8373b5f36b6e579b5feb8Dale Johannesen if ((VT == MVT::f64 && EVT == MVT::f32) || 6425b6210fc92b643a5440d8373b5f36b6e579b5feb8Dale Johannesen (VT == MVT::ppcf128 && (EVT==MVT::f64 || EVT==MVT::f32))) { 6426548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng // f64 = EXTLOAD f32 should expand to LOAD, FP_EXTEND 64277f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Load = DAG.getLoad(EVT, Ch, Ptr, SV, 6428d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 6429548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng // Remember that we legalized the chain. 6430475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Load.getValue(1))); 6431548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng ExpandOp(DAG.getNode(ISD::FP_EXTEND, VT, Load), Lo, Hi); 6432548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng break; 6433548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng } 6434466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6435466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (EVT == NVT) 64367f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(NVT, Ch, Ptr, SV, 6437d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 6438466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng else 64397f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getExtLoad(ExtType, NVT, Ch, Ptr, SV, 6440d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, EVT, isVolatile, 6441d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman Alignment); 6442466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6443466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Remember that we legalized the chain. 6444475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1))); 6445466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6446466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::SEXTLOAD) { 6447466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is obtained by SRA'ing all but one of the bits of the 6448466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // lo part. 644983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned LoSize = Lo.getValueType().getSizeInBits(); 6450466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getNode(ISD::SRA, NVT, Lo, 6451466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng DAG.getConstant(LoSize-1, TLI.getShiftAmountTy())); 6452466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else if (ExtType == ISD::ZEXTLOAD) { 6453466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is just a zero. 6454466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getConstant(0, NVT); 6455466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else /* if (ExtType == ISD::EXTLOAD) */ { 6456466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is undefined. 6457466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getNode(ISD::UNDEF, NVT); 6458466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 6459466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 64603e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 64613e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 64623e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::AND: 64633e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::OR: 64643e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::XOR: { // Simple logical operators -> two trivial pieces. 6465475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 64663e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(0), LL, LH); 64673e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(1), RL, RH); 64683e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Lo = DAG.getNode(Node->getOpcode(), NVT, LL, RL); 64693e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Hi = DAG.getNode(Node->getOpcode(), NVT, LH, RH); 64703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 64713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 64723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SELECT: { 6473475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 64743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(1), LL, LH); 64753e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(2), RL, RH); 647619103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 647719103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng NVT = TLI.getTypeToExpandTo(NVT); 6478456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, Node->getOperand(0), LL, RL); 647919103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (VT != MVT::f32) 648019103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Hi = DAG.getNode(ISD::SELECT, NVT, Node->getOperand(0), LH, RH); 64813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 64823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 64839373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case ISD::SELECT_CC: { 6484475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TL, TH, FL, FH; 64859373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman ExpandOp(Node->getOperand(2), TL, TH); 64869373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman ExpandOp(Node->getOperand(3), FL, FH); 648719103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 648819103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng NVT = TLI.getTypeToExpandTo(NVT); 64899373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Lo = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 64909373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Node->getOperand(1), TL, FL, Node->getOperand(4)); 649119103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (VT != MVT::f32) 649219103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Hi = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 649319103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Node->getOperand(1), TH, FH, Node->getOperand(4)); 64949373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 64959373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 64968137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::ANY_EXTEND: 649713c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner // The low part is any extension of the input (which degenerates to a copy). 64988137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::ANY_EXTEND, NVT, Node->getOperand(0)); 649913c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner // The high part is undefined. 650013c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Hi = DAG.getNode(ISD::UNDEF, NVT); 650113c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner break; 65023e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SIGN_EXTEND: { 65033e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The low part is just a sign extension of the input (which degenerates to 65043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // a copy). 65058137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::SIGN_EXTEND, NVT, Node->getOperand(0)); 6506edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 65073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The high part is obtained by SRA'ing all but one of the bits of the lo 65083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // part. 650983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned LoSize = Lo.getValueType().getSizeInBits(); 65108137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, Lo, 65118137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner DAG.getConstant(LoSize-1, TLI.getShiftAmountTy())); 65123e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 65133e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 65148137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::ZERO_EXTEND: 65153e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The low part is just a zero extension of the input (which degenerates to 65163e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // a copy). 65178137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::ZERO_EXTEND, NVT, Node->getOperand(0)); 6518edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 65193e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The high part is just a zero. 65203e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Hi = DAG.getConstant(0, NVT); 65213e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 652235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 65234c948eb373779718e5be36d7674382b52114bf65Chris Lattner case ISD::TRUNCATE: { 65244c948eb373779718e5be36d7674382b52114bf65Chris Lattner // The input value must be larger than this value. Expand *it*. 6525475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue NewLo; 65264c948eb373779718e5be36d7674382b52114bf65Chris Lattner ExpandOp(Node->getOperand(0), NewLo, Hi); 65274c948eb373779718e5be36d7674382b52114bf65Chris Lattner 65284c948eb373779718e5be36d7674382b52114bf65Chris Lattner // The low part is now either the right size, or it is closer. If not the 65294c948eb373779718e5be36d7674382b52114bf65Chris Lattner // right size, make an illegal truncate so we recursively expand it. 65304c948eb373779718e5be36d7674382b52114bf65Chris Lattner if (NewLo.getValueType() != Node->getValueType(0)) 65314c948eb373779718e5be36d7674382b52114bf65Chris Lattner NewLo = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), NewLo); 65324c948eb373779718e5be36d7674382b52114bf65Chris Lattner ExpandOp(NewLo, Lo, Hi); 65334c948eb373779718e5be36d7674382b52114bf65Chris Lattner break; 65344c948eb373779718e5be36d7674382b52114bf65Chris Lattner } 65354c948eb373779718e5be36d7674382b52114bf65Chris Lattner 653635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: { 6537475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp; 6538f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner if (TLI.getOperationAction(ISD::BIT_CONVERT, VT) == TargetLowering::Custom){ 6539f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner // If the target wants to, allow it to lower this itself. 6540f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 6541f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 6542f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Legal: Tmp = LegalizeOp(Node->getOperand(0)); break; 6543f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Promote: Tmp = PromoteOp (Node->getOperand(0)); break; 6544f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner } 6545f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner Tmp = TLI.LowerOperation(DAG.getNode(ISD::BIT_CONVERT, VT, Tmp), DAG); 6546f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner } 6547f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner 65481a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng // f32 / f64 must be expanded to i32 / i64. 654913acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 655013acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 655119103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 655219103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng ExpandOp(Lo, Lo, Hi); 65537b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng break; 65547b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng } 65557b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 65567b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // If source operand will be expanded to the same type as VT, i.e. 65577b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // i64 <- f64, i32 <- f32, expand the source operand instead. 655883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT0 = Node->getOperand(0).getValueType(); 65597b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng if (getTypeAction(VT0) == Expand && TLI.getTypeToTransformTo(VT0) == VT) { 65607b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng ExpandOp(Node->getOperand(0), Lo, Hi); 65611a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 65621a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng } 65631a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng 6564f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner // Turn this into a load/store pair by default. 6565ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp.getNode() == 0) 65661401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Tmp = EmitStackConvert(Node->getOperand(0), VT, VT); 6567f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner 656835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner ExpandOp(Tmp, Lo, Hi); 656935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 657035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 6571f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 657227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner case ISD::READCYCLECOUNTER: { 6573308575be66ec3870d27b19df044fda18448feb41Chris Lattner assert(TLI.getOperationAction(ISD::READCYCLECOUNTER, VT) == 6574308575be66ec3870d27b19df044fda18448feb41Chris Lattner TargetLowering::Custom && 6575308575be66ec3870d27b19df044fda18448feb41Chris Lattner "Must custom expand ReadCycleCounter"); 6576475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = TLI.LowerOperation(Op, DAG); 6577ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp.getNode() && "Node must be custom expanded!"); 657827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner ExpandOp(Tmp.getValue(0), Lo, Hi); 6579475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized the chain. 658027a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner LegalizeOp(Tmp.getValue(1))); 6581f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth break; 658227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner } 6583f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 65841b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 65851b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // This operation does not need a loop. 65861b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Tmp = TLI.LowerOperation(Op, DAG); 65871b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen assert(Tmp.getNode() && "Node must be custom expanded!"); 65881b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen ExpandOp(Tmp.getValue(0), Lo, Hi); 65891b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized the chain. 65901b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen LegalizeOp(Tmp.getValue(1))); 65911b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen break; 65921b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen } 65931b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen 659448c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 659548c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 659648c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 659748c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 659848c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 659948c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 66001b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen case ISD::ATOMIC_SWAP_64: { 66011b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // These operations require a loop to be generated. We can't do that yet, 66021b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // so substitute a target-dependent pseudo and expand that later. 660348c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen SDValue In2Lo, In2Hi, In2; 660448c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen ExpandOp(Op.getOperand(2), In2Lo, In2Hi); 660548c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen In2 = DAG.getNode(ISD::BUILD_PAIR, VT, In2Lo, In2Hi); 66061b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen AtomicSDNode* Anode = cast<AtomicSDNode>(Node); 66071b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Replace = 66081b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen DAG.getAtomic(Op.getOpcode(), Op.getOperand(0), Op.getOperand(1), In2, 66091b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen Anode->getSrcValue(), Anode->getAlignment()); 66101b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Result = TLI.LowerOperation(Replace, DAG); 661148c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen ExpandOp(Result.getValue(0), Lo, Hi); 661248c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen // Remember that we legalized the chain. 661348c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen AddLegalizedOperand(SDValue(Node,1), LegalizeOp(Result.getValue(1))); 6614d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth break; 6615d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth } 6616d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth 66174e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner // These operators cannot be expanded directly, emit them as calls to 66184e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner // library functions. 661956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FP_TO_SINT: { 662080a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner if (TLI.getOperationAction(ISD::FP_TO_SINT, VT) == TargetLowering::Custom) { 6621475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op; 6622f20d183c2268553c738fefb014959ea924dd0555Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 6623f20d183c2268553c738fefb014959ea924dd0555Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 66248137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Legal: Op = LegalizeOp(Node->getOperand(0)); break; 66258137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Promote: Op = PromoteOp (Node->getOperand(0)); break; 6626f20d183c2268553c738fefb014959ea924dd0555Chris Lattner } 6627d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6628f20d183c2268553c738fefb014959ea924dd0555Chris Lattner Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_SINT, VT, Op), DAG); 6629f20d183c2268553c738fefb014959ea924dd0555Chris Lattner 663080a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner // Now that the custom expander is done, expand the result, which is still 663180a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner // VT. 6632ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 663307dffd6af673c73352150583150b242a93694f00Chris Lattner ExpandOp(Op, Lo, Hi); 663407dffd6af673c73352150583150b242a93694f00Chris Lattner break; 663507dffd6af673c73352150583150b242a93694f00Chris Lattner } 663680a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner } 6637d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6638b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPTOSINT(Node->getOperand(0).getValueType(), 6639b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6640b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected uint-to-fp conversion!"); 6641b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Hi); 66424e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner break; 664356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng } 6644d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 664556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FP_TO_UINT: { 664680a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner if (TLI.getOperationAction(ISD::FP_TO_UINT, VT) == TargetLowering::Custom) { 6647475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op; 66488137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 66498137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 66508137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Legal: Op = LegalizeOp(Node->getOperand(0)); break; 66518137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Promote: Op = PromoteOp (Node->getOperand(0)); break; 66528137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 66538137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner 66548137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_UINT, VT, Op), DAG); 66558137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner 66568137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Now that the custom expander is done, expand the result. 6657ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 665807dffd6af673c73352150583150b242a93694f00Chris Lattner ExpandOp(Op, Lo, Hi); 665907dffd6af673c73352150583150b242a93694f00Chris Lattner break; 666007dffd6af673c73352150583150b242a93694f00Chris Lattner } 666180a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner } 6662d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6663b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPTOUINT(Node->getOperand(0).getValueType(), 6664b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6665b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected fp-to-uint conversion!"); 6666b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Hi); 66674e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner break; 666856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng } 66694e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner 667005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SHL: { 667150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6672475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 667350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SHL, VT) == TargetLowering::Custom) { 6674475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SHL, VT, Node->getOperand(0), ShiftAmt); 667550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6676ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 667750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 667850ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 667950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 668050ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 668150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 668250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 668350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 668479980b07dab50da1a8f572f9504674bfa853d484Chris Lattner // If ADDC/ADDE are supported and if the shift amount is a constant 1, emit 668579980b07dab50da1a8f572f9504674bfa853d484Chris Lattner // this X << 1 as X+X. 668679980b07dab50da1a8f572f9504674bfa853d484Chris Lattner if (ConstantSDNode *ShAmt = dyn_cast<ConstantSDNode>(ShiftAmt)) { 6687002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman if (ShAmt->getAPIntValue() == 1 && TLI.isOperationLegal(ISD::ADDC, NVT) && 668879980b07dab50da1a8f572f9504674bfa853d484Chris Lattner TLI.isOperationLegal(ISD::ADDE, NVT)) { 6689475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2], HiOps[3]; 669079980b07dab50da1a8f572f9504674bfa853d484Chris Lattner ExpandOp(Node->getOperand(0), LoOps[0], HiOps[0]); 669179980b07dab50da1a8f572f9504674bfa853d484Chris Lattner SDVTList VTList = DAG.getVTList(LoOps[0].getValueType(), MVT::Flag); 669279980b07dab50da1a8f572f9504674bfa853d484Chris Lattner LoOps[1] = LoOps[0]; 669379980b07dab50da1a8f572f9504674bfa853d484Chris Lattner Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 669479980b07dab50da1a8f572f9504674bfa853d484Chris Lattner 669579980b07dab50da1a8f572f9504674bfa853d484Chris Lattner HiOps[1] = HiOps[0]; 669679980b07dab50da1a8f572f9504674bfa853d484Chris Lattner HiOps[2] = Lo.getValue(1); 669779980b07dab50da1a8f572f9504674bfa853d484Chris Lattner Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 669879980b07dab50da1a8f572f9504674bfa853d484Chris Lattner break; 669979980b07dab50da1a8f572f9504674bfa853d484Chris Lattner } 670079980b07dab50da1a8f572f9504674bfa853d484Chris Lattner } 670179980b07dab50da1a8f572f9504674bfa853d484Chris Lattner 6702e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6703348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SHL, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6704e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 67054759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 67064759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SHL_PARTS, use it. 670705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 670805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SHL_PARTS, NVT); 670905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 671005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6711348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SHL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 67124759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 67134759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 67144759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6715e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6716460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SHL_I64, Node, false/*left shift=unsigned*/, Hi); 6717e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 671805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 6719e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 672005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SRA: { 672150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6722475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 672350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SRA, VT) == TargetLowering::Custom) { 6724475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SRA, VT, Node->getOperand(0), ShiftAmt); 672550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6726ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 672750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 672850ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 672950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 673050ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 673150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 673250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 673350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 6734e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6735348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SRA, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6736e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 67374759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 67384759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SRA_PARTS, use it. 673905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 674005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SRA_PARTS, NVT); 674105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 674205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6743348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SRA_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 67444759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 67454759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 67464759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6747e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6748460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SRA_I64, Node, true/*ashr is signed*/, Hi); 6749e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 675005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 675105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 675205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SRL: { 675350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6754475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 675550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SRL, VT) == TargetLowering::Custom) { 6756475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SRL, VT, Node->getOperand(0), ShiftAmt); 675750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6758ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 675950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 676050ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 676150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 676250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 676350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 676450ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 676550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 6766e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6767348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SRL, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6768e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 67694759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 67704759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SRL_PARTS, use it. 677105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 677205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SRL_PARTS, NVT); 677305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 677405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6775348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SRL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 67764759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 67774759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 67784759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6779e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6780460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SRL_I64, Node, false/*lshr is unsigned*/, Hi); 6781e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 678205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 6783e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 6784edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman case ISD::ADD: 67858137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::SUB: { 67868137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // If the target wants to custom expand this, let them. 67878137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner if (TLI.getOperationAction(Node->getOpcode(), VT) == 67888137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner TargetLowering::Custom) { 6789475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = TLI.LowerOperation(Op, DAG); 6790ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) { 679169bfb15ecd71881ec8d01be94af99b6d90d2fe01Duncan Sands ExpandOp(Result, Lo, Hi); 67928137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner break; 67938137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 67948137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 67958137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Expand the subcomponents. 6796475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 67978137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 67988137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 679979980b07dab50da1a8f572f9504674bfa853d484Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6800475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2], HiOps[3]; 6801bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner LoOps[0] = LHSL; 6802bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner LoOps[1] = RHSL; 6803bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner HiOps[0] = LHSH; 6804bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner HiOps[1] = RHSH; 68052163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth 68065c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth //cascaded check to see if any smaller size has a a carry flag. 68075c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth unsigned OpV = Node->getOpcode() == ISD::ADD ? ISD::ADDC : ISD::SUBC; 68085c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth bool hasCarry = false; 68092163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth for (unsigned BitSize = NVT.getSizeInBits(); BitSize != 0; BitSize /= 2) { 68102163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth MVT AVT = MVT::getIntegerVT(BitSize); 68112163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth if (TLI.isOperationLegal(OpV, AVT)) { 68122163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth hasCarry = true; 68132163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth break; 68142163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth } 68152163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth } 68162163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth 68175c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth if(hasCarry) { 681840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth if (Node->getOpcode() == ISD::ADD) { 681940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 682040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth HiOps[2] = Lo.getValue(1); 682140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 682240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } else { 682340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::SUBC, VTList, LoOps, 2); 682440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth HiOps[2] = Lo.getValue(1); 682540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUBE, VTList, HiOps, 3); 682640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } 682740d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth break; 6828551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman } else { 682940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth if (Node->getOpcode() == ISD::ADD) { 683040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::ADD, VTList, LoOps, 2); 683140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADD, VTList, HiOps, 2); 68325c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth SDValue Cmp1 = DAG.getSetCC(TLI.getSetCCResultType(Lo), 68335c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth Lo, LoOps[0], ISD::SETULT); 683440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Carry1 = DAG.getNode(ISD::SELECT, NVT, Cmp1, 683540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 683640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(0, NVT)); 68375c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth SDValue Cmp2 = DAG.getSetCC(TLI.getSetCCResultType(Lo), 68385c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth Lo, LoOps[1], ISD::SETULT); 683940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Carry2 = DAG.getNode(ISD::SELECT, NVT, Cmp2, 684040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 684140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Carry1); 684240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADD, NVT, Hi, Carry2); 684340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } else { 684440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::SUB, VTList, LoOps, 2); 684540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUB, VTList, HiOps, 2); 684640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Cmp = DAG.getSetCC(NVT, LoOps[0], LoOps[1], ISD::SETULT); 684740d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Borrow = DAG.getNode(ISD::SELECT, NVT, Cmp, 684840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 684940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(0, NVT)); 685040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUB, NVT, Hi, Borrow); 685140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } 685240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth break; 6853551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman } 68548137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 6855b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6856b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::ADDC: 6857b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::SUBC: { 6858b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Expand the subcomponents. 6859475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 6860b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 6861b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 6862b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6863475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2] = { LHSL, RHSL }; 6864475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiOps[3] = { LHSH, RHSH }; 6865b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6866b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner if (Node->getOpcode() == ISD::ADDC) { 6867b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 6868b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6869b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 6870b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } else { 6871b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(ISD::SUBC, VTList, LoOps, 2); 6872b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6873b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(ISD::SUBE, VTList, HiOps, 3); 6874b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6875b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Remember that we legalized the flag. 6876b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Hi.getValue(1))); 6877b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner break; 6878b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6879b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::ADDE: 6880b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::SUBE: { 6881b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Expand the subcomponents. 6882475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 6883b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 6884b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 6885b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6886475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[3] = { LHSL, RHSL, Node->getOperand(2) }; 6887475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiOps[3] = { LHSH, RHSH }; 6888b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6889b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(Node->getOpcode(), VTList, LoOps, 3); 6890b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6891b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(Node->getOpcode(), VTList, HiOps, 3); 6892b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6893b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Remember that we legalized the flag. 6894b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Hi.getValue(1))); 6895b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner break; 6896b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6897c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MUL: { 68987d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner // If the target wants to custom expand this, let them. 68997d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner if (TLI.getOperationAction(ISD::MUL, VT) == TargetLowering::Custom) { 6900475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue New = TLI.LowerOperation(Op, DAG); 6901ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (New.getNode()) { 69028829dc88a8637fe588e299d96de394afc3ecc528Chris Lattner ExpandOp(New, Lo, Hi); 69037d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner break; 69047d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner } 69057d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner } 69067d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner 69073f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, NVT); 69083f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, NVT); 6909525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasSMUL_LOHI = TLI.isOperationLegal(ISD::SMUL_LOHI, NVT); 6910525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasUMUL_LOHI = TLI.isOperationLegal(ISD::UMUL_LOHI, NVT); 6911525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHU || HasMULHS || HasUMUL_LOHI || HasSMUL_LOHI) { 6912475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 6913c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman ExpandOp(Node->getOperand(0), LL, LH); 6914c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman ExpandOp(Node->getOperand(1), RL, RH); 69152e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned OuterBitSize = Op.getValueSizeInBits(); 69162e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned InnerBitSize = RH.getValueSizeInBits(); 6917525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned LHSSB = DAG.ComputeNumSignBits(Op.getOperand(0)); 6918525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned RHSSB = DAG.ComputeNumSignBits(Op.getOperand(1)); 691976c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman APInt HighMask = APInt::getHighBitsSet(OuterBitSize, InnerBitSize); 692076c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman if (DAG.MaskedValueIsZero(Node->getOperand(0), HighMask) && 692176c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman DAG.MaskedValueIsZero(Node->getOperand(1), HighMask)) { 6922525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // The inputs are both zero-extended. 6923525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasUMUL_LOHI) { 6924525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a umul_lohi. 6925525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::UMUL_LOHI, DAG.getVTList(NVT, NVT), LL, RL); 6926ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = SDValue(Lo.getNode(), 1); 6927525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6928525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6929525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHU) { 6930525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a mulhu+mul. 6931525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 6932525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); 6933525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6934525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6935525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 69362e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman if (LHSSB > InnerBitSize && RHSSB > InnerBitSize) { 6937525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // The input values are both sign-extended. 6938525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasSMUL_LOHI) { 6939525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a smul_lohi. 6940525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::SMUL_LOHI, DAG.getVTList(NVT, NVT), LL, RL); 6941ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = SDValue(Lo.getNode(), 1); 6942525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6943525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6944525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHS) { 6945525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a mulhs+mul. 6946525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 6947525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = DAG.getNode(ISD::MULHS, NVT, LL, RL); 6948525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6949525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6950525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6951525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasUMUL_LOHI) { 6952525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // Lo,Hi = umul LHS, RHS. 6953475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UMulLOHI = DAG.getNode(ISD::UMUL_LOHI, 6954525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman DAG.getVTList(NVT, NVT), LL, RL); 6955525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = UMulLOHI; 6956525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = UMulLOHI.getValue(1); 695756eb86806d5d178d42108f17d11098b3e640b996Nate Begeman RH = DAG.getNode(ISD::MUL, NVT, LL, RH); 695856eb86806d5d178d42108f17d11098b3e640b996Nate Begeman LH = DAG.getNode(ISD::MUL, NVT, LH, RL); 695956eb86806d5d178d42108f17d11098b3e640b996Nate Begeman Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); 696056eb86806d5d178d42108f17d11098b3e640b996Nate Begeman Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); 6961a89654b1a17478a272af33221e325b7feb9aec1bChris Lattner break; 696256eb86806d5d178d42108f17d11098b3e640b996Nate Begeman } 69638eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen if (HasMULHU) { 69648eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 69658eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); 69668eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen RH = DAG.getNode(ISD::MUL, NVT, LL, RH); 69678eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen LH = DAG.getNode(ISD::MUL, NVT, LH, RL); 69688eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); 69698eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); 69708eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen break; 69718eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen } 6972c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman } 69733f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng 6974525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // If nothing else, we can make a libcall. 6975460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::MUL_I64, Node, false/*sign irrelevant*/, Hi); 6976c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman break; 6977c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman } 697856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SDIV: 6979460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SDIV_I64, Node, true, Hi); 698056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 698156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::UDIV: 6982460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::UDIV_I64, Node, true, Hi); 698356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 698456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SREM: 6985460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SREM_I64, Node, true, Hi); 698656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 698756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::UREM: 6988460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::UREM_I64, Node, true, Hi); 698956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 69905c9ce1893a4bee65bc05c7c48f11734f55405692Evan Cheng 69911a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FADD: 6992460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::ADD_F32, 6993460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_F64, 6994460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_F80, 6995460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_PPCF128), 699656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 69971a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 69981a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FSUB: 6999460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::SUB_F32, 7000460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_F64, 7001460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_F80, 7002460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_PPCF128), 700356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70041a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 70051a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FMUL: 7006460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::MUL_F32, 7007460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_F64, 7008460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_F80, 7009460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_PPCF128), 701056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70111a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 70121a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FDIV: 7013460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::DIV_F32, 7014460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_F64, 7015460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_F80, 7016460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_PPCF128), 701756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70181a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 7019b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands case ISD::FP_EXTEND: { 7020ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (VT == MVT::ppcf128) { 7021ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen assert(Node->getOperand(0).getValueType()==MVT::f32 || 7022ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0).getValueType()==MVT::f64); 7023ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen const uint64_t zero = 0; 7024ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (Node->getOperand(0).getValueType()==MVT::f32) 7025ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = DAG.getNode(ISD::FP_EXTEND, MVT::f64, Node->getOperand(0)); 7026ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen else 7027ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = Node->getOperand(0); 7028ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7029ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen break; 7030ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 7031b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPEXT(Node->getOperand(0).getValueType(), VT); 7032b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND!"); 7033b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, true, Hi); 70341a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 7035b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands } 7036b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands case ISD::FP_ROUND: { 7037b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPROUND(Node->getOperand(0).getValueType(), 7038b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 7039b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_ROUND!"); 7040b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, true, Hi); 70411a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 7042b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands } 70434b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FSQRT: 70444b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FSIN: 70454b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FCOS: 70467794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 70477794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 70487794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 70497794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 70507794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 70512bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 70522bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 70532bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 70542bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 70552bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 70569d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOW: 70579d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOWI: { 705856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 705998ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng switch(Node->getOpcode()) { 706056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSQRT: 7061007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64, 7062007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128); 706356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 706456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSIN: 7065007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64, 7066007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SIN_F80, RTLIB::SIN_PPCF128); 706756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 706856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FCOS: 7069007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64, 7070007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::COS_F80, RTLIB::COS_PPCF128); 707156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 70727794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 70737794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64, 70747794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG_F80, RTLIB::LOG_PPCF128); 70757794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70767794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 70777794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64, 70787794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128); 70797794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70807794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 70817794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64, 70827794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128); 70837794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70847794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 70857794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64, 70867794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP_F80, RTLIB::EXP_PPCF128); 70877794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70887794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 70897794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64, 70907794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128); 70917794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70922bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 70932bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, 70942bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128); 70952bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 70962bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 70972bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, 70982bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128); 70992bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71002bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 71012bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::CEIL_F32, RTLIB::CEIL_F64, 71022bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128); 71032bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71042bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 71052bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::RINT_F32, RTLIB::RINT_F64, 71062bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::RINT_F80, RTLIB::RINT_PPCF128); 71072bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71082bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 71092bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, 71102bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::NEARBYINT_F80, RTLIB::NEARBYINT_PPCF128); 71112bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71124b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FPOW: 71134b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80, 71144b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng RTLIB::POW_PPCF128); 71154b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng break; 71164b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FPOWI: 71174b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64, RTLIB::POWI_F80, 71184b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng RTLIB::POWI_PPCF128); 71194b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng break; 712098ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng default: assert(0 && "Unreachable!"); 712198ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 7122460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(LC, Node, false, Hi); 712398ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng break; 712498ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 7125966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng case ISD::FABS: { 7126f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen if (VT == MVT::ppcf128) { 7127475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp; 7128f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen ExpandOp(Node->getOperand(0), Lo, Tmp); 7129f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Hi = DAG.getNode(ISD::FABS, NVT, Tmp); 7130f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen // lo = hi==fabs(hi) ? lo : -lo; 7131f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo = DAG.getNode(ISD::SELECT_CC, NVT, Hi, Tmp, 7132f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo, DAG.getNode(ISD::FNEG, NVT, Lo), 7133f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen DAG.getCondCode(ISD::SETEQ)); 7134f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen break; 7135f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen } 7136475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = (VT == MVT::f64) 7137966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) 7138966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); 7139966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Mask = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask); 7140966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 7141966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::AND, NVT, Lo, Mask); 7142966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng if (getTypeAction(NVT) == Expand) 7143966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ExpandOp(Lo, Lo, Hi); 7144966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng break; 7145966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng } 7146966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng case ISD::FNEG: { 7147f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen if (VT == MVT::ppcf128) { 7148f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen ExpandOp(Node->getOperand(0), Lo, Hi); 7149f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo = DAG.getNode(ISD::FNEG, MVT::f64, Lo); 7150f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Hi = DAG.getNode(ISD::FNEG, MVT::f64, Hi); 7151f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen break; 7152f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen } 7153475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = (VT == MVT::f64) 7154966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ? DAG.getConstantFP(BitsToDouble(1ULL << 63), VT) 7155966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng : DAG.getConstantFP(BitsToFloat(1U << 31), VT); 7156966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Mask = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask); 7157966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 7158966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::XOR, NVT, Lo, Mask); 7159966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng if (getTypeAction(NVT) == Expand) 7160966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ExpandOp(Lo, Lo, Hi); 7161966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng break; 7162966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng } 7163912095becac923ff614d7b07728eb345ada67765Evan Cheng case ISD::FCOPYSIGN: { 7164912095becac923ff614d7b07728eb345ada67765Evan Cheng Lo = ExpandFCOPYSIGNToBitwiseOps(Node, NVT, DAG, TLI); 7165912095becac923ff614d7b07728eb345ada67765Evan Cheng if (getTypeAction(NVT) == Expand) 7166912095becac923ff614d7b07728eb345ada67765Evan Cheng ExpandOp(Lo, Lo, Hi); 7167912095becac923ff614d7b07728eb345ada67765Evan Cheng break; 7168912095becac923ff614d7b07728eb345ada67765Evan Cheng } 71697df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng case ISD::SINT_TO_FP: 71707df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng case ISD::UINT_TO_FP: { 71717df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP; 717283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Node->getOperand(0).getValueType(); 7173cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen 7174cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen // Promote the operand if needed. Do this before checking for 7175cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen // ppcf128 so conversions of i16 and i8 work. 7176cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen if (getTypeAction(SrcVT) == Promote) { 7177475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = PromoteOp(Node->getOperand(0)); 7178cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen Tmp = isSigned 7179cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen ? DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp.getValueType(), Tmp, 7180cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen DAG.getValueType(SrcVT)) 7181cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen : DAG.getZeroExtendInReg(Tmp, SrcVT); 7182ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Node = DAG.UpdateNodeOperands(Op, Tmp).getNode(); 7183cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen SrcVT = Node->getOperand(0).getValueType(); 7184cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen } 7185cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen 7186a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman if (VT == MVT::ppcf128 && SrcVT == MVT::i32) { 7187f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t zero = 0; 7188ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (isSigned) { 7189ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = LegalizeOp(DAG.getNode(ISD::SINT_TO_FP, MVT::f64, 7190ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0))); 7191ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7192ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } else { 7193f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t TwoE32[] = { 0x41f0000000000000LL, 0 }; 7194ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = LegalizeOp(DAG.getNode(ISD::SINT_TO_FP, MVT::f64, 7195ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0))); 7196ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7197ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); 71986e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // X>=0 ? {(f64)x, 0} : {(f64)x, 0} + 2^32 7199ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen ExpandOp(DAG.getNode(ISD::SELECT_CC, MVT::ppcf128, Node->getOperand(0), 7200ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getConstant(0, MVT::i32), 7201ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getNode(ISD::FADD, MVT::ppcf128, Hi, 7202ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getConstantFP( 7203ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen APFloat(APInt(128, 2, TwoE32)), 7204ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen MVT::ppcf128)), 7205ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi, 7206ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getCondCode(ISD::SETLT)), 7207ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo, Hi); 7208ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 7209ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen break; 7210ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 72116e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen if (VT == MVT::ppcf128 && SrcVT == MVT::i64 && !isSigned) { 72126e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // si64->ppcf128 done by libcall, below 7213f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t TwoE64[] = { 0x43f0000000000000LL, 0 }; 72146e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen ExpandOp(DAG.getNode(ISD::SINT_TO_FP, MVT::ppcf128, Node->getOperand(0)), 72156e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Lo, Hi); 72166e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); 72176e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // x>=0 ? (ppcf128)(i64)x : (ppcf128)(i64)x + 2^64 72186e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen ExpandOp(DAG.getNode(ISD::SELECT_CC, MVT::ppcf128, Node->getOperand(0), 72196e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getConstant(0, MVT::i64), 72206e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getNode(ISD::FADD, MVT::ppcf128, Hi, 72216e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getConstantFP( 72226e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen APFloat(APInt(128, 2, TwoE64)), 72236e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen MVT::ppcf128)), 72246e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Hi, 72256e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getCondCode(ISD::SETLT)), 72266e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Lo, Hi); 72276e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen break; 72286e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen } 72297df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng 7230a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Lo = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, VT, 7231a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Node->getOperand(0)); 7232110cf48752dcf86c6d95698c08805f1dd534ac83Evan Cheng if (getTypeAction(Lo.getValueType()) == Expand) 72336ad2f930da0ebadb0e000397cea8384c650877bbEvan Cheng // float to i32 etc. can be 'expanded' to a single node. 7234110cf48752dcf86c6d95698c08805f1dd534ac83Evan Cheng ExpandOp(Lo, Lo, Hi); 72357df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng break; 72367df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng } 723798ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 72383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 723983397363348662e9352455ea1e6e88e7026300a4Chris Lattner // Make sure the resultant values have been legalized themselves, unless this 724083397363348662e9352455ea1e6e88e7026300a4Chris Lattner // is a type that requires multi-step expansion. 724183397363348662e9352455ea1e6e88e7026300a4Chris Lattner if (getTypeAction(NVT) != Expand && NVT != MVT::isVoid) { 724283397363348662e9352455ea1e6e88e7026300a4Chris Lattner Lo = LegalizeOp(Lo); 7243ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) 724413acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng // Don't legalize the high part if it is expanded to a single node. 724513acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Hi = LegalizeOp(Hi); 724683397363348662e9352455ea1e6e88e7026300a4Chris Lattner } 724705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 724805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng // Remember in a map if the values will be reused later. 72496b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman bool isNew = 72506b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman ExpandedNodes.insert(std::make_pair(Op, std::make_pair(Lo, Hi))).second; 725105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng assert(isNew && "Value already expanded?!?"); 725224ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 72533e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 72543e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 72557f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// SplitVectorOp - Given an operand of vector type, break it down into 72567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// two smaller values, still of vector type. 7257475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::SplitVectorOp(SDValue Op, SDValue &Lo, 7258475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Hi) { 725983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().isVector() && "Cannot split non-vector type!"); 7260ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 726183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElements = Op.getValueType().getVectorNumElements(); 7262c7029805ef35ce9805931067b841e6af11db382eChris Lattner assert(NumElements > 1 && "Cannot split a single element vector!"); 72635db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 726483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewEltVT = Op.getValueType().getVectorElementType(); 72655db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 72665db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman unsigned NewNumElts_Lo = 1 << Log2_32(NumElements-1); 72675db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman unsigned NewNumElts_Hi = NumElements - NewNumElts_Lo; 72685db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 726983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT_Lo = MVT::getVectorVT(NewEltVT, NewNumElts_Lo); 727083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT_Hi = MVT::getVectorVT(NewEltVT, NewNumElts_Hi); 72715db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 7272c7029805ef35ce9805931067b841e6af11db382eChris Lattner // See if we already split it. 7273475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::pair<SDValue, SDValue> >::iterator I 7274c7029805ef35ce9805931067b841e6af11db382eChris Lattner = SplitNodes.find(Op); 7275c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (I != SplitNodes.end()) { 7276c7029805ef35ce9805931067b841e6af11db382eChris Lattner Lo = I->second.first; 7277c7029805ef35ce9805931067b841e6af11db382eChris Lattner Hi = I->second.second; 7278c7029805ef35ce9805931067b841e6af11db382eChris Lattner return; 7279c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7280c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7281c7029805ef35ce9805931067b841e6af11db382eChris Lattner switch (Node->getOpcode()) { 7282e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey default: 7283e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 728439833585556a69de12053ca1e104fe7edfd86cbdDan Gohman Node->dump(&DAG); 7285e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 7286e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey assert(0 && "Unhandled operation in SplitVectorOp!"); 7287daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner case ISD::UNDEF: 7288daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner Lo = DAG.getNode(ISD::UNDEF, NewVT_Lo); 7289daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner Hi = DAG.getNode(ISD::UNDEF, NewVT_Hi); 7290daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner break; 72917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_PAIR: 72927f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Lo = Node->getOperand(0); 72937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Hi = Node->getOperand(1); 72947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 72959fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman case ISD::INSERT_VECTOR_ELT: { 72966867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman if (ConstantSDNode *Idx = dyn_cast<ConstantSDNode>(Node->getOperand(2))) { 72976867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman SplitVectorOp(Node->getOperand(0), Lo, Hi); 7298f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Index = Idx->getZExtValue(); 7299475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScalarOp = Node->getOperand(1); 73006867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman if (Index < NewNumElts_Lo) 73016867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Lo = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT_Lo, Lo, ScalarOp, 73026867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman DAG.getIntPtrConstant(Index)); 73036867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman else 73046867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Hi = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT_Hi, Hi, ScalarOp, 73056867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman DAG.getIntPtrConstant(Index - NewNumElts_Lo)); 73066867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman break; 73076867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman } 7308475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = PerformInsertVectorEltInMemory(Node->getOperand(0), 73096867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Node->getOperand(1), 73106867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Node->getOperand(2)); 73116867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman SplitVectorOp(Tmp, Lo, Hi); 73129fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman break; 73139fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman } 73146c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner case ISD::VECTOR_SHUFFLE: { 73156c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // Build the low part. 7316475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = Node->getOperand(2); 7317475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 731883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 73196c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner 73206c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // Insert all of the elements from the input that are needed. We use 73216c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // buildvector of extractelement here because the input vectors will have 73226c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // to be legalized, so this makes the code simpler. 73236c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner for (unsigned i = 0; i != NewNumElts_Lo; ++i) { 7324475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue IdxNode = Mask.getOperand(i); 73255922f561c65968ef1865cc8434d191041e450602Nate Begeman if (IdxNode.getOpcode() == ISD::UNDEF) { 73265922f561c65968ef1865cc8434d191041e450602Nate Begeman Ops.push_back(DAG.getNode(ISD::UNDEF, NewEltVT)); 73275922f561c65968ef1865cc8434d191041e450602Nate Begeman continue; 73285922f561c65968ef1865cc8434d191041e450602Nate Begeman } 7329f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(IdxNode)->getZExtValue(); 7330475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InVec = Node->getOperand(0); 73316c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner if (Idx >= NumElements) { 73326c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner InVec = Node->getOperand(1); 73336c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Idx -= NumElements; 73346c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 73356c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewEltVT, InVec, 73366c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner DAG.getConstant(Idx, PtrVT))); 73376c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 73386c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Lo = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Lo, &Ops[0], Ops.size()); 73396c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.clear(); 73406c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner 73416c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner for (unsigned i = NewNumElts_Lo; i != NumElements; ++i) { 7342475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue IdxNode = Mask.getOperand(i); 73435922f561c65968ef1865cc8434d191041e450602Nate Begeman if (IdxNode.getOpcode() == ISD::UNDEF) { 73445922f561c65968ef1865cc8434d191041e450602Nate Begeman Ops.push_back(DAG.getNode(ISD::UNDEF, NewEltVT)); 73455922f561c65968ef1865cc8434d191041e450602Nate Begeman continue; 73465922f561c65968ef1865cc8434d191041e450602Nate Begeman } 7347f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(IdxNode)->getZExtValue(); 7348475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InVec = Node->getOperand(0); 73496c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner if (Idx >= NumElements) { 73506c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner InVec = Node->getOperand(1); 73516c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Idx -= NumElements; 73526c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 73536c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewEltVT, InVec, 73546c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner DAG.getConstant(Idx, PtrVT))); 73556c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 735692879f3a9e6625d4a17a3d93e6250a59b0497660Mon P Wang Hi = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Hi, &Ops[0], Ops.size()); 73576c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner break; 73586c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 73597f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_VECTOR: { 7360475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> LoOps(Node->op_begin(), 73615db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Node->op_begin()+NewNumElts_Lo); 73625db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Lo, &LoOps[0], LoOps.size()); 7363c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7364475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> HiOps(Node->op_begin()+NewNumElts_Lo, 73657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Node->op_end()); 73665db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Hi, &HiOps[0], HiOps.size()); 7367c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7368c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 73697f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::CONCAT_VECTORS: { 73705db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman // FIXME: Handle non-power-of-two vectors? 73717f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman unsigned NewNumSubvectors = Node->getNumOperands() / 2; 73727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (NewNumSubvectors == 1) { 73737f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Lo = Node->getOperand(0); 73747f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Hi = Node->getOperand(1); 73757f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else { 7376aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SmallVector<SDValue, 8> LoOps(Node->op_begin(), 7377aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Node->op_begin()+NewNumSubvectors); 73785db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::CONCAT_VECTORS, NewVT_Lo, &LoOps[0], LoOps.size()); 73796595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 7380aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SmallVector<SDValue, 8> HiOps(Node->op_begin()+NewNumSubvectors, 73817f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Node->op_end()); 73825db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::CONCAT_VECTORS, NewVT_Hi, &HiOps[0], HiOps.size()); 73837f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 73846595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 73856595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 7386aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang case ISD::EXTRACT_SUBVECTOR: { 7387aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SDValue Vec = Op.getOperand(0); 7388aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SDValue Idx = Op.getOperand(1); 7389aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang MVT IdxVT = Idx.getValueType(); 7390aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang 7391aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Lo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Lo, Vec, Idx); 7392aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang ConstantSDNode *CIdx = dyn_cast<ConstantSDNode>(Idx); 7393aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang if (CIdx) { 7394aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Hi, Vec, 7395aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang DAG.getConstant(CIdx->getZExtValue() + NewNumElts_Lo, 7396aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang IdxVT)); 7397aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } else { 7398aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Idx = DAG.getNode(ISD::ADD, IdxVT, Idx, 7399aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang DAG.getConstant(NewNumElts_Lo, IdxVT)); 7400aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Hi, Vec, Idx); 7401aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } 7402aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang break; 7403aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } 7404c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman case ISD::SELECT: { 7405475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Cond = Node->getOperand(0); 7406c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman 7407475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7408c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Node->getOperand(1), LL, LH); 7409c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Node->getOperand(2), RL, RH); 7410c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman 741183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Cond.getValueType().isVector()) { 7412c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman // Handle a vector merge. 7413475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CL, CH; 7414c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Cond, CL, CH); 74155db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, CL, LL, RL); 74165db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, CH, LH, RH); 7417c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } else { 7418c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman // Handle a simple select with vector operands. 74195db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, Cond, LL, RL); 74205db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, Cond, LH, RH); 7421c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } 7422c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman break; 7423c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } 742480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner case ISD::SELECT_CC: { 7425475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondLHS = Node->getOperand(0); 7426475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondRHS = Node->getOperand(1); 7427475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondCode = Node->getOperand(4); 742880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner 7429475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 743080c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner SplitVectorOp(Node->getOperand(2), LL, LH); 743180c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner SplitVectorOp(Node->getOperand(3), RL, RH); 743280c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner 743380c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner // Handle a simple select with vector operands. 743480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Lo = DAG.getNode(ISD::SELECT_CC, NewVT_Lo, CondLHS, CondRHS, 743580c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner LL, RL, CondCode); 743680c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Hi = DAG.getNode(ISD::SELECT_CC, NewVT_Hi, CondLHS, CondRHS, 743780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner LH, RH, CondCode); 743880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner break; 743980c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner } 7440b43e9c196542acc80c9e4643809661065710848fNate Begeman case ISD::VSETCC: { 7441475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7442b43e9c196542acc80c9e4643809661065710848fNate Begeman SplitVectorOp(Node->getOperand(0), LL, LH); 7443b43e9c196542acc80c9e4643809661065710848fNate Begeman SplitVectorOp(Node->getOperand(1), RL, RH); 7444b43e9c196542acc80c9e4643809661065710848fNate Begeman Lo = DAG.getNode(ISD::VSETCC, NewVT_Lo, LL, RL, Node->getOperand(2)); 7445b43e9c196542acc80c9e4643809661065710848fNate Begeman Hi = DAG.getNode(ISD::VSETCC, NewVT_Hi, LH, RH, Node->getOperand(2)); 7446b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 7447b43e9c196542acc80c9e4643809661065710848fNate Begeman } 74487f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::ADD: 74497f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SUB: 74507f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::MUL: 74517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FADD: 74527f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSUB: 74537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FMUL: 74547f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SDIV: 74557f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UDIV: 74567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FDIV: 7457826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 74587f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::AND: 74597f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::OR: 7460089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::XOR: 7461089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::UREM: 7462089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::SREM: 7463089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::FREM: { 7464475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7465c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitVectorOp(Node->getOperand(0), LL, LH); 7466c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitVectorOp(Node->getOperand(1), RL, RH); 7467c7029805ef35ce9805931067b841e6af11db382eChris Lattner 74685db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, LL, RL); 74695db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, LH, RH); 7470c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7471c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 74727f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_ROUND: 7473826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOWI: { 7474475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue L, H; 7475826695281344e3a4c4d44d73dd155107aafd689bDan Gohman SplitVectorOp(Node->getOperand(0), L, H); 7476826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 74775db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, L, Node->getOperand(1)); 74785db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, H, Node->getOperand(1)); 7479826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 7480826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 7481826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTTZ: 7482826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTLZ: 7483826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTPOP: 7484826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FNEG: 7485826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FABS: 7486826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FSQRT: 7487826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FSIN: 7488b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FCOS: 74897794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 74907794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 74917794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 74927794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 74937794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 7494b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FP_TO_SINT: 7495b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FP_TO_UINT: 7496b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::SINT_TO_FP: 74977f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::UINT_TO_FP: 74987f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::TRUNCATE: 74997f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ANY_EXTEND: 75007f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SIGN_EXTEND: 75017f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ZERO_EXTEND: 75027f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_EXTEND: { 7503475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue L, H; 7504826695281344e3a4c4d44d73dd155107aafd689bDan Gohman SplitVectorOp(Node->getOperand(0), L, H); 7505826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 75065db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, L); 75075db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, H); 7508826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 7509826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 751077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 751177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 751277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue L, H; 751377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SplitVectorOp(Node->getOperand(0), L, H); 751477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOpL = DAG.getValueType(NewVT_Lo); 751577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOpH = DAG.getValueType(NewVT_Hi); 751677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOpL = DAG.getValueType(L.getValueType()); 751777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOpH = DAG.getValueType(H.getValueType()); 751877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 751977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 752077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 752177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 752277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Lo = DAG.getConvertRndSat(NewVT_Lo, L, DTyOpL, STyOpL, 752377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 752477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Hi = DAG.getConvertRndSat(NewVT_Hi, H, DTyOpH, STyOpH, 752577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 752677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 752777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 75287f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::LOAD: { 75297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LoadSDNode *LD = cast<LoadSDNode>(Node); 7530475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LD->getChain(); 7531475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); 75327f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman ISD::LoadExtType ExtType = LD->getExtensionType(); 75337f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman const Value *SV = LD->getSrcValue(); 75347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman int SVOffset = LD->getSrcValueOffset(); 75357f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemoryVT = LD->getMemoryVT(); 75367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman unsigned Alignment = LD->getAlignment(); 75377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman bool isVolatile = LD->isVolatile(); 75387f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 75397f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman assert(LD->isUnindexed() && "Indexed vector loads are not supported yet!"); 75407f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Offset = DAG.getNode(ISD::UNDEF, Ptr.getValueType()); 75417f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 75427f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewEltVT = MemoryVT.getVectorElementType(); 75437f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewVT_Lo = MVT::getVectorVT(MemNewEltVT, NewNumElts_Lo); 75447f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewVT_Hi = MVT::getVectorVT(MemNewEltVT, NewNumElts_Hi); 75457f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 75467f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(ISD::UNINDEXED, ExtType, 75477f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT_Lo, Ch, Ptr, Offset, 75487f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SV, SVOffset, MemNewVT_Lo, isVolatile, Alignment); 75497f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman unsigned IncrementSize = NewNumElts_Lo * MemNewEltVT.getSizeInBits()/8; 7550c7029805ef35ce9805931067b841e6af11db382eChris Lattner Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 75510bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 75527f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SVOffset += IncrementSize; 7553dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 75547f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Hi = DAG.getLoad(ISD::UNINDEXED, ExtType, 75557f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT_Hi, Ch, Ptr, Offset, 75567f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SV, SVOffset, MemNewVT_Hi, isVolatile, Alignment); 7557c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7558c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Build a factor node to remember that this load is independent of the 7559c7029805ef35ce9805931067b841e6af11db382eChris Lattner // other one. 7560475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 7561c7029805ef35ce9805931067b841e6af11db382eChris Lattner Hi.getValue(1)); 7562c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7563c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember that we legalized the chain. 7564c7029805ef35ce9805931067b841e6af11db382eChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(TF)); 7565c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7566c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 75677f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BIT_CONVERT: { 75687692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner // We know the result is a vector. The input may be either a vector or a 75697692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner // scalar value. 7570475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InOp = Node->getOperand(0); 757183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!InOp.getValueType().isVector() || 757283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands InOp.getValueType().getVectorNumElements() == 1) { 757310a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // The input is a scalar or single-element vector. 757410a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // Lower to a store/load so that it can be split. 757510a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // FIXME: this could be improved probably. 75762920d2b7b601d9dfcec783cb91316f35b6811be1Mon P Wang unsigned LdAlign = TLI.getTargetData()->getPrefTypeAlignment( 75772920d2b7b601d9dfcec783cb91316f35b6811be1Mon P Wang Op.getValueType().getTypeForMVT()); 7578475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = DAG.CreateStackTemporary(InOp.getValueType(), LdAlign); 7579ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif int FI = cast<FrameIndexSDNode>(Ptr.getNode())->getIndex(); 75807692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner 7581475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue St = DAG.getStore(DAG.getEntryNode(), 758269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman InOp, Ptr, 7583a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(FI), 0); 758469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman InOp = DAG.getLoad(Op.getValueType(), St, Ptr, 7585a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(FI), 0); 75867692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner } 758710a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // Split the vector and convert each of the pieces now. 758810a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman SplitVectorOp(InOp, Lo, Hi); 75895db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::BIT_CONVERT, NewVT_Lo, Lo); 75905db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::BIT_CONVERT, NewVT_Hi, Hi); 759110a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman break; 75927692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner } 7593c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7594c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7595c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember in a map if the values will be reused later. 759640030bfa75ae6d72702bc60e964ae2fce8c0f3edChris Lattner bool isNew = 7597c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitNodes.insert(std::make_pair(Op, std::make_pair(Lo, Hi))).second; 759810a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman assert(isNew && "Value already split?!?"); 759924ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 7600c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 7601c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7602c7029805ef35ce9805931067b841e6af11db382eChris Lattner 760389b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// ScalarizeVectorOp - Given an operand of single-element vector type 760489b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// (e.g. v1f32), convert it into the equivalent operation that returns a 760589b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// scalar (e.g. f32) value. 7606475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ScalarizeVectorOp(SDValue Op) { 760783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().isVector() && "Bad ScalarizeVectorOp invocation!"); 7608ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 760983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT = Op.getValueType().getVectorElementType(); 761083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().getVectorNumElements() == 1); 7611c7029805ef35ce9805931067b841e6af11db382eChris Lattner 76127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // See if we already scalarized it. 7613475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, SDValue>::iterator I = ScalarizedNodes.find(Op); 76147f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (I != ScalarizedNodes.end()) return I->second; 7615c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7616475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 7617c7029805ef35ce9805931067b841e6af11db382eChris Lattner switch (Node->getOpcode()) { 76182332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: 7619e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 762039833585556a69de12053ca1e104fe7edfd86cbdDan Gohman Node->dump(&DAG); cerr << "\n"; 7621e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 76227f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(0 && "Unknown vector operation in ScalarizeVectorOp!"); 76237f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::ADD: 76247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FADD: 76257f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SUB: 76267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSUB: 76277f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::MUL: 76287f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FMUL: 76297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SDIV: 76307f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UDIV: 76317f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FDIV: 76327f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SREM: 76337f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UREM: 76347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FREM: 7635826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 76367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::AND: 76377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::OR: 76387f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::XOR: 76397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(Node->getOpcode(), 7640c7029805ef35ce9805931067b841e6af11db382eChris Lattner NewVT, 76417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0)), 76427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(1))); 7643c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 76447f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FNEG: 76457f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FABS: 76467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSQRT: 76477f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSIN: 76487f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FCOS: 76497794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 76507794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 76517794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 76527794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 76537794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 76547f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_TO_SINT: 76557f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_TO_UINT: 76567f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SINT_TO_FP: 76577f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::UINT_TO_FP: 76587f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SIGN_EXTEND: 76597f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ZERO_EXTEND: 76607f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ANY_EXTEND: 76617f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::TRUNCATE: 76627f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_EXTEND: 76637f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(Node->getOpcode(), 76647f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman NewVT, 76657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0))); 76667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 766777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 766877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue Op0 = ScalarizeVectorOp(Node->getOperand(0)); 766977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(NewVT, Op0, 767077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DAG.getValueType(NewVT), 767177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DAG.getValueType(Op0.getValueType()), 767277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(3), 767377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(4), 767477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang cast<CvtRndSatSDNode>(Node)->getCvtCode()); 767577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 767677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 76779e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman case ISD::FPOWI: 76787f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_ROUND: 76799e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman Result = DAG.getNode(Node->getOpcode(), 76809e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman NewVT, 76819e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman ScalarizeVectorOp(Node->getOperand(0)), 76829e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman Node->getOperand(1)); 76839e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman break; 76847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::LOAD: { 76857f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LoadSDNode *LD = cast<LoadSDNode>(Node); 7686475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LegalizeOp(LD->getChain()); // Legalize the chain. 7687475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LegalizeOp(LD->getBasePtr()); // Legalize the pointer. 76887f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman ISD::LoadExtType ExtType = LD->getExtensionType(); 76897f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman const Value *SV = LD->getSrcValue(); 76907f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman int SVOffset = LD->getSrcValueOffset(); 76917f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemoryVT = LD->getMemoryVT(); 76927f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman unsigned Alignment = LD->getAlignment(); 76937f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman bool isVolatile = LD->isVolatile(); 76947f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 76957f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman assert(LD->isUnindexed() && "Indexed vector loads are not supported yet!"); 76967f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Offset = DAG.getNode(ISD::UNDEF, Ptr.getValueType()); 76977f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 76987f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getLoad(ISD::UNINDEXED, ExtType, 76997f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT, Ch, Ptr, Offset, SV, SVOffset, 77007f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MemoryVT.getVectorElementType(), 77017f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman isVolatile, Alignment); 77027f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 7703c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember that we legalized the chain. 7704c7029805ef35ce9805931067b841e6af11db382eChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 7705c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7706c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 77077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_VECTOR: 77087f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = Node->getOperand(0); 77097f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 77107f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::INSERT_VECTOR_ELT: 77117f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Returning the inserted scalar element. 77127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = Node->getOperand(1); 7713c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 77147f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::CONCAT_VECTORS: 77156595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman assert(Node->getOperand(0).getValueType() == NewVT && 77166595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman "Concat of non-legal vectors not yet supported!"); 77176595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Result = Node->getOperand(0); 77186595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 77197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::VECTOR_SHUFFLE: { 77207f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if the scalar is the LHS or RHS and return it. 7721475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue EltNum = Node->getOperand(2).getOperand(0); 7722f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(EltNum)->getZExtValue()) 77237f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ScalarizeVectorOp(Node->getOperand(1)); 77247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman else 77257f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ScalarizeVectorOp(Node->getOperand(0)); 77262332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 77277f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 77287f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 7729e0b436ac41a00bc210163964d3cf393c8b487c9eMon P Wang Result = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewVT, Node->getOperand(0), 7730aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Node->getOperand(1)); 77316595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 7732446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng case ISD::BIT_CONVERT: { 7733475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0 = Op.getOperand(0); 773483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Op0.getValueType().getVectorNumElements() == 1) 7735446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng Op0 = ScalarizeVectorOp(Op0); 7736446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, Op0); 7737db3c626eb9e85e9192dbee59ff0c4d143c37c94dEvan Cheng break; 7738446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng } 77397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SELECT: 7740b22e35a3c3bec07f5559c1476b3143e0d6d64269Chris Lattner Result = DAG.getNode(ISD::SELECT, NewVT, Op.getOperand(0), 77417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Op.getOperand(1)), 77427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Op.getOperand(2))); 7743b22e35a3c3bec07f5559c1476b3143e0d6d64269Chris Lattner break; 774480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner case ISD::SELECT_CC: 774580c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Result = DAG.getNode(ISD::SELECT_CC, NewVT, Node->getOperand(0), 774680c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Node->getOperand(1), 774780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner ScalarizeVectorOp(Op.getOperand(2)), 774880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner ScalarizeVectorOp(Op.getOperand(3)), 774980c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Node->getOperand(4)); 775080c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner break; 77510d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman case ISD::VSETCC: { 7752475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0 = ScalarizeVectorOp(Op.getOperand(0)); 7753475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1 = ScalarizeVectorOp(Op.getOperand(1)); 77540d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Result = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Op0), Op0, Op1, 77550d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Op.getOperand(2)); 77560d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Result = DAG.getNode(ISD::SELECT, NewVT, Result, 77570d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman DAG.getConstant(-1ULL, NewVT), 77580d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman DAG.getConstant(0ULL, NewVT)); 77590d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman break; 77600d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman } 7761c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7762c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7763c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (TLI.isTypeLegal(NewVT)) 7764c7029805ef35ce9805931067b841e6af11db382eChris Lattner Result = LegalizeOp(Result); 77657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman bool isNew = ScalarizedNodes.insert(std::make_pair(Op, Result)).second; 77667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(isNew && "Value already scalarized?"); 776724ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 7768c7029805ef35ce9805931067b841e6af11db382eChris Lattner return Result; 7769c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 7770c7029805ef35ce9805931067b841e6af11db382eChris Lattner 77713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 77720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::WidenVectorOp(SDValue Op, MVT WidenVT) { 77730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = WidenNodes.find(Op); 77740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) return I->second; 77750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VT = Op.getValueType(); 77770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(VT.isVector() && "Cannot widen non-vector type!"); 77780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Result; 77800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDNode *Node = Op.getNode(); 77810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT = VT.getVectorElementType(); 77820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumElts = VT.getVectorNumElements(); 77840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NewNumElts = WidenVT.getVectorNumElements(); 77850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts > NumElts && "Cannot widen to smaller type!"); 77860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts < 17); 77870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // When widen is called, it is assumed that it is more efficient to use a 77890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // wide type. The default action is to widen to operation to a wider legal 77900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector type and then do the operation if it is legal by calling LegalizeOp 77910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // again. If there is no vector equivalent, we will unroll the operation, do 77920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // it, and rebuild the vector. If most of the operations are vectorizible to 77930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the legal type, the resulting code will be more efficient. If this is not 77940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the case, the resulting code will preform badly as we end up generating 77950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // code to pack/unpack the results. It is the function that calls widen 7796f007a8b931e229eb325319c97363be8507311e2eMon P Wang // that is responsible for seeing this doesn't happen. 77970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (Node->getOpcode()) { 77980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: 77990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang#ifndef NDEBUG 78000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Node->dump(&DAG); 78010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang#endif 78020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 78030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CopyFromReg: 780549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang assert(0 && "CopyFromReg doesn't need widening!"); 78060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::Constant: 78070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ConstantFP: 78080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // To build a vector of these elements, clients should call BuildVector 78090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // and with each element instead of creating a node with a vector type 78100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 78110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::VAARG: 78120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Variable Arguments with vector types doesn't make any sense to me 78130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 78140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 781549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::UNDEF: 781649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = DAG.getNode(ISD::UNDEF, WidenVT); 781749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang break; 78180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BUILD_VECTOR: { 78190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Build a vector with undefined for the new nodes 78200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector NewOps(Node->op_begin(), Node->op_end()); 78210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = NumElts; i < NewNumElts; ++i) { 78220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getNode(ISD::UNDEF,EVT)); 78230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::BUILD_VECTOR, WidenVT, &NewOps[0], NewOps.size()); 78250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::INSERT_VECTOR_ELT: { 78280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 78290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::INSERT_VECTOR_ELT, WidenVT, Tmp1, 78300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Node->getOperand(1), Node->getOperand(2)); 78310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::VECTOR_SHUFFLE: { 78340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 78350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), WidenVT); 78360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // VECTOR_SHUFFLE 3rd operand must be a constant build vector that is 78370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // used as permutation array. We build the vector here instead of widening 78380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // because we don't want to legalize and have it turned to something else. 78390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue PermOp = Node->getOperand(2); 78400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector NewOps; 78410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT PVT = PermOp.getValueType().getVectorElementType(); 78420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = 0; i < NumElts; ++i) { 78430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (PermOp.getOperand(i).getOpcode() == ISD::UNDEF) { 78440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(PermOp.getOperand(i)); 78450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } else { 78460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 78470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang cast<ConstantSDNode>(PermOp.getOperand(i))->getZExtValue(); 78480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (Idx < NumElts) { 78490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(PermOp.getOperand(i)); 78500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 78520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getConstant(Idx + NewNumElts - NumElts, 78530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang PermOp.getOperand(i).getValueType())); 78540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = NumElts; i < NewNumElts; ++i) { 78580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getNode(ISD::UNDEF,PVT)); 78590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp3 = DAG.getNode(ISD::BUILD_VECTOR, 78620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT::getVectorVT(PVT, NewOps.size()), 78630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &NewOps[0], NewOps.size()); 78640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::VECTOR_SHUFFLE, WidenVT, Tmp1, Tmp2, Tmp3); 78660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::LOAD: { 78690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // If the load widen returns true, we can use a single load for the 78700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector. Otherwise, it is returning a token factor for multiple 78710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // loads. 78720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue TFOp; 78730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LoadWidenVectorOp(Result, TFOp, Op, WidenVT)) 78740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang AddLegalizedOperand(Op.getValue(1), LegalizeOp(TFOp.getValue(1))); 78750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else 78760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang AddLegalizedOperand(Op.getValue(1), LegalizeOp(TFOp.getValue(0))); 78770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BIT_CONVERT: { 78810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = Node->getOperand(0); 78820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Converts between two different types so we need to determine 78830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the correct widen type for the input operand. 78840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TVT = Tmp1.getValueType(); 78850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "can not widen non vector type"); 78860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TEVT = TVT.getVectorElementType(); 78870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(WidenVT.getSizeInBits() % EVT.getSizeInBits() == 0 && 78880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang "can not widen bit bit convert that are not multiple of element type"); 78890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TWidenVT = MVT::getVectorVT(TEVT, 78900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenVT.getSizeInBits()/EVT.getSizeInBits()); 78910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TWidenVT); 78920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType().getSizeInBits() == WidenVT.getSizeInBits()); 78930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 78940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 78960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 78970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 78980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 78990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 79000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 79020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 79030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 79050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 79060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 79070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SINT_TO_FP: 79130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UINT_TO_FP: 79140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_TO_SINT: 79150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_TO_UINT: { 79160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = Node->getOperand(0); 79170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Converts between two different types so we need to determine 79180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the correct widen type for the input operand. 79190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TVT = Tmp1.getValueType(); 79200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "can not widen non vector type"); 79210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TEVT = TVT.getVectorElementType(); 79220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TWidenVT = MVT::getVectorVT(TEVT, NewNumElts); 79230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TWidenVT); 79240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType().getVectorNumElements() == NewNumElts); 79250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 79260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 79280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 79290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 79300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 79310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 79320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 79340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 79350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 79370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 79380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 79390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_EXTEND: 79450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Case not implemented. Dynamically dead with 2 FP types!"); 79460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::TRUNCATE: 79470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SIGN_EXTEND: 79480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ZERO_EXTEND: 79490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ANY_EXTEND: 79500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_ROUND: 79510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SIGN_EXTEND_INREG: 79520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FABS: 79530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FNEG: 79540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSQRT: 79550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSIN: 795649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::FCOS: 795749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTPOP: 795849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTTZ: 795949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTLZ: { 79600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Unary op widening 79610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1; 79620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 79630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 79640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 79660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 79670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 79680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 79690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 79700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 79710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 79730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 79740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 79760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 79770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 79780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 798277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 798377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 798477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 798577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 798677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TargetLowering::LegalizeAction action = 798777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 798877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 798977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SrcOp = Node->getOperand(0); 799077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 799177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // Converts between two different types so we need to determine 799277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // the correct widen type for the input operand. 799377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SVT = SrcOp.getValueType(); 799477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert(SVT.isVector() && "can not widen non vector type"); 799577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SEVT = SVT.getVectorElementType(); 799677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SWidenVT = MVT::getVectorVT(SEVT, NewNumElts); 799777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 799877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SrcOp = WidenVectorOp(SrcOp, SWidenVT); 799977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert(SrcOp.getValueType() == WidenVT); 800077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOp = DAG.getValueType(WidenVT); 800177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOp = DAG.getValueType(SrcOp.getValueType()); 800277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 800377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 800477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(WidenVT, SrcOp, DTyOp, STyOp, 800577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 800677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (action) { 800777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang default: assert(0 && "action not supported"); 800877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case TargetLowering::Legal: 800977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 801077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case TargetLowering::Promote: 801177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // We defer the promotion to when we legalize the op 801277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 801377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case TargetLowering::Expand: 801477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // Expand the operation into a bunch of nasty scalar code. 801577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 801677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 801777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 801877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 801977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 80200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FPOW: 80210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FPOWI: 80220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ADD: 80230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SUB: 80240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MUL: 80250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MULHS: 80260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MULHU: 80270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::AND: 80280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::OR: 80290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::XOR: 80300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FADD: 80310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSUB: 80320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FMUL: 80330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SDIV: 80340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SREM: 80350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FDIV: 80360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FREM: 80370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FCOPYSIGN: 80380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UDIV: 80390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UREM: 80400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BSWAP: { 80410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Binary op widening 80420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 80430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 80440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), WidenVT); 80470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT); 80480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Tmp2); 80490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 80500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 80510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 80520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 80540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 80550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 80570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code by first 80580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Widening to the right type and then unroll the beast. 80590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 80600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SHL: 80660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SRA: 80670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SRL: { 80680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Binary op with one non vector operand 80690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 80700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 80710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 80740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Node->getOperand(1)); 80750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 80760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 80770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 80780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 80800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 80810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 80830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 80840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 80850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::EXTRACT_VECTOR_ELT: { 80900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 80920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), EVT, Tmp1, Node->getOperand(1)); 80930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CONCAT_VECTORS: { 80960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We concurrently support only widen on a multiple of the incoming vector. 80970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We could widen on a multiple of the incoming operand if necessary. 80980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumConcat = NewNumElts / NumElts; 80990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts % NumElts == 0 && "Can widen only a multiple of vector"); 81000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::vector<SDValue> UnOps(NumElts, DAG.getNode(ISD::UNDEF, 81010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VT.getVectorElementType())); 81020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue UndefVal = DAG.getNode(ISD::BUILD_VECTOR, VT, 81030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &UnOps[0], UnOps.size()); 81040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SmallVector<SDValue, 8> MOps; 81050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MOps.push_back(Op); 81060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = 1; i != NumConcat; ++i) { 81070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MOps.push_back(UndefVal); 81080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, WidenVT, 81100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &MOps[0], MOps.size())); 81110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::EXTRACT_SUBVECTOR: { 811449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue Tmp1 = Node->getOperand(0); 811549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue Idx = Node->getOperand(1); 811649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang ConstantSDNode *CIdx = dyn_cast<ConstantSDNode>(Idx); 811749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (CIdx && CIdx->getZExtValue() == 0) { 811849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // Since we are access the start of the vector, the incoming 811949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // vector type might be the proper. 812049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MVT Tmp1VT = Tmp1.getValueType(); 812149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (Tmp1VT == WidenVT) 812249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang return Tmp1; 812349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang else { 812449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang unsigned Tmp1VTNumElts = Tmp1VT.getVectorNumElements(); 812549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (Tmp1VTNumElts < NewNumElts) 812649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = WidenVectorOp(Tmp1, WidenVT); 812749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang else 812849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = DAG.getNode(ISD::EXTRACT_SUBVECTOR, WidenVT, Tmp1, Idx); 812949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 813049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } else if (NewNumElts % NumElts == 0) { 813149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // Widen the extracted subvector. 813249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang unsigned NumConcat = NewNumElts / NumElts; 813349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue UndefVal = DAG.getNode(ISD::UNDEF, VT); 813449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SmallVector<SDValue, 8> MOps; 813549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MOps.push_back(Op); 813649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang for (unsigned i = 1; i != NumConcat; ++i) { 813749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MOps.push_back(UndefVal); 813849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 813949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, WidenVT, 814049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang &MOps[0], MOps.size())); 814149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } else { 814249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang assert(0 && "can not widen extract subvector"); 814349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // This could be implemented using insert and build vector but I would 814449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // like to see when this happens. 814549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 81460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SELECT: { 81500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 81510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 81520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Determine new condition widen type and widen 81540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond1 = Node->getOperand(0); 81550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondVT = Cond1.getValueType(); 81560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT.isVector() && "can not widen non vector type"); 81570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondEVT = CondVT.getVectorElementType(); 81580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondWidenVT = MVT::getVectorVT(CondEVT, NewNumElts); 81590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond1 = WidenVectorOp(Cond1, CondWidenVT); 81600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Cond1.getValueType() == CondWidenVT && "Condition not widen"); 81610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(1), WidenVT); 81630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(2), WidenVT); 81640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT); 81650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Cond1, Tmp1, Tmp2); 81660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 81670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 81680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 81690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 81710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 81720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 81740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code by first 81750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Widening to the right type and then unroll the beast. 81760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 81770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SELECT_CC: { 81830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 81840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 81850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Determine new condition widen type and widen 81870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond1 = Node->getOperand(0); 81880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond2 = Node->getOperand(1); 81890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondVT = Cond1.getValueType(); 81900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT.isVector() && "can not widen non vector type"); 81910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT == Cond2.getValueType() && "mismatch lhs/rhs"); 81920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondEVT = CondVT.getVectorElementType(); 81930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondWidenVT = MVT::getVectorVT(CondEVT, NewNumElts); 81940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond1 = WidenVectorOp(Cond1, CondWidenVT); 81950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond2 = WidenVectorOp(Cond2, CondWidenVT); 81960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Cond1.getValueType() == CondWidenVT && 81970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond2.getValueType() == CondWidenVT && "condition not widen"); 81980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(2), WidenVT); 82000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(3), WidenVT); 82010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT && 82020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang "operands not widen"); 82030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Cond1, Cond2, Tmp1, 82040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp2, Node->getOperand(4)); 82050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 82060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 82070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 82080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 82100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 82110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 82130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code by first 82140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Widening to the right type and then unroll the beast. 82150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 82160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82192eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang } 82202eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang case ISD::VSETCC: { 82212eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang // Determine widen for the operand 82222eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang SDValue Tmp1 = Node->getOperand(0); 82232eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpVT = Tmp1.getValueType(); 82242eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang assert(TmpVT.isVector() && "can not widen non vector type"); 82252eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpEVT = TmpVT.getVectorElementType(); 82262eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpWidenVT = MVT::getVectorVT(TmpEVT, NewNumElts); 82272eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TmpWidenVT); 82282eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), TmpWidenVT); 82292eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Tmp2, 82302eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Node->getOperand(2)); 82310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_8: 82340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_16: 82350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_32: 82360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_64: 82370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_8: 82380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_8: 82390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_8: 82400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_8: 82410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_8: 82420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_8: 82430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_8: 82440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_8: 82450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_8: 82460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_8: 82470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_8: 82480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_16: 82490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_16: 82500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_16: 82510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_16: 82520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_16: 82530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_16: 82540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_16: 82550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_16: 82560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_16: 82570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_16: 82580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_16: 82590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_32: 82600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_32: 82610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_32: 82620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_32: 82630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_32: 82640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_32: 82650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_32: 82660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_32: 82670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_32: 82680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_32: 82690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_32: 82700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_64: 82710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_64: 82720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_64: 82730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_64: 82740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_64: 82750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_64: 82760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_64: 82770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_64: 82780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_64: 82790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_64: 82800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_64: { 82810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // For now, we assume that using vectors for these operations don't make 82820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // much sense so we just split it. We return an empty result 82830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue X, Y; 82840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SplitVectorOp(Op, X, Y); 82850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return Result; 82860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } // end switch (Node->getOpcode()) 82900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Result.getNode() && "Didn't set a result!"); 82920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (Result != Op) 82930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(Result); 82940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 8295f007a8b931e229eb325319c97363be8507311e2eMon P Wang AddWidenedOperand(Op, Result); 82960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return Result; 82970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 82980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Utility function to find a legal vector type and its associated element 83000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// type from a preferred width and whose vector type must be the same size 83010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// as the VVT. 83020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// TLI: Target lowering used to determine legal types 83030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Width: Preferred width of element type 83040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// VVT: Vector value type whose size we must match. 83050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Returns VecEVT and EVT - the vector type and its associated element type 83060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangstatic void FindWidenVecType(TargetLowering &TLI, unsigned Width, MVT VVT, 83070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT& EVT, MVT& VecEVT) { 83080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We start with the preferred width, make it a power of 2 and see if 83090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we can find a vector type of that width. If not, we reduce it by 83100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // another power of 2. If we have widen the type, a vector of bytes should 83110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // always be legal. 83120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TLI.isTypeLegal(VVT)); 83130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EWidth = Width + 1; 83140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang do { 83150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(EWidth > 0); 83160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EWidth = (1 << Log2_32(EWidth-1)); 83170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVT = MVT::getIntegerVT(EWidth); 83180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumEVT = VVT.getSizeInBits()/EWidth; 83190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecEVT = MVT::getVectorVT(EVT, NumEVT); 83200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } while (!TLI.isTypeLegal(VecEVT) || 83210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VVT.getSizeInBits() != VecEVT.getSizeInBits()); 83220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 83230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::genWidenVectorLoads(SDValueVector& LdChain, 83250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 83260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, 83270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV, 83280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, 83290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment, 83300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, 83310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned LdWidth, 83320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT ResType) { 83330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We assume that we have good rules to handle loading power of two loads so 83340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we break down the operations to power of 2 loads. The strategy is to 83350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // load the largest power of 2 that we can easily transform to a legal vector 83360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // and then insert into that vector, and the cast the result into the legal 83370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector that we want. This avoids unnecessary stack converts. 83380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: If the Ldwidth is legal, alignment is the same as the LdWidth, and 83390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the load is nonvolatile, we an use a wider load for the value. 83400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Find a vector length we can load a large chunk 83410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT, VecEVT; 83420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EVTWidth; 83430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, LdWidth, ResType, EVT, VecEVT); 83440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 83450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue LdOp = DAG.getLoad(EVT, Chain, BasePtr, SV, SVOffset, 83470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 83480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue VecOp = DAG.getNode(ISD::SCALAR_TO_VECTOR, VecEVT, LdOp); 83490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdChain.push_back(LdOp.getValue(1)); 83500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we can load the element with one instruction 83520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdWidth == EVTWidth) { 83530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::BIT_CONVERT, ResType, VecOp); 83540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // The vector element order is endianness dependent. 83570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 1; 83580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdWidth -= EVTWidth; 83590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Offset = 0; 83600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang while (LdWidth > 0) { 83620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Increment = EVTWidth / 8; 83630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Offset += Increment; 83640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang BasePtr = DAG.getNode(ISD::ADD, BasePtr.getValueType(), BasePtr, 83650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Increment)); 83660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdWidth < EVTWidth) { 83680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Our current type we are using is too large, use a smaller size by 83690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // using a smaller power of 2 83700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned oEVTWidth = EVTWidth; 83710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, LdWidth, ResType, EVT, VecEVT); 83720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 83730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Readjust position and vector position based on new load type 837449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Idx = Idx * (oEVTWidth/EVTWidth); 83750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, VecOp); 83760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue LdOp = DAG.getLoad(EVT, Chain, BasePtr, SV, 83790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset+Offset, isVolatile, 83800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MinAlign(Alignment, Offset)); 83810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdChain.push_back(LdOp.getValue(1)); 83820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::INSERT_VECTOR_ELT, VecEVT, VecOp, LdOp, 83830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Idx++)); 83840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdWidth -= EVTWidth; 83860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::BIT_CONVERT, ResType, VecOp); 83890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 83900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangbool SelectionDAGLegalize::LoadWidenVectorOp(SDValue& Result, 83920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue& TFOp, 83930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Op, 83940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT NVT) { 83950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: Add support for ConcatVec and the ability to load many vector 83960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // types (e.g., v4i8). This will not work when a vector register 83970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // to memory mapping is strange (e.g., vector elements are not 83980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // stored in some sequential order). 83990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It must be true that the widen vector type is bigger than where 84010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we need to load from. 84020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LoadSDNode *LD = cast<LoadSDNode>(Op.getNode()); 84030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT LdVT = LD->getMemoryVT(); 84040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(LdVT.isVector() && NVT.isVector()); 84050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(LdVT.getVectorElementType() == NVT.getVectorElementType()); 84060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Load information 84080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain = LD->getChain(); 84090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr = LD->getBasePtr(); 84100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset = LD->getSrcValueOffset(); 84110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment = LD->getAlignment(); 84120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile = LD->isVolatile(); 84130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV = LD->getSrcValue(); 84140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned int LdWidth = LdVT.getSizeInBits(); 84150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Load value as a large register 84170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector LdChain; 84180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = genWidenVectorLoads(LdChain, Chain, BasePtr, SV, SVOffset, 84190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Alignment, isVolatile, LdWidth, NVT); 84200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdChain.size() == 1) { 84220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TFOp = LdChain[0]; 84230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return true; 84240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 84260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TFOp=DAG.getNode(ISD::TokenFactor, MVT::Other, &LdChain[0], LdChain.size()); 84270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return false; 84280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 84300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangvoid SelectionDAGLegalize::genWidenVectorStores(SDValueVector& StChain, 84330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 84340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, 84350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV, 84360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, 84370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment, 84380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, 843949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue ValOp, 84400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned StWidth) { 84410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Breaks the stores into a series of power of 2 width stores. For any 84420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // width, we convert the vector to the vector of element size that we 84430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // want to store. This avoids requiring a stack convert. 84440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Find a width of the element type we can store with 84460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = ValOp.getValueType(); 84470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT, VecEVT; 84480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EVTWidth; 84490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, StWidth, VVT, EVT, VecEVT); 84500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 84510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, ValOp); 84530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp, 8454e0b436ac41a00bc210163964d3cf393c8b487c9eMon P Wang DAG.getIntPtrConstant(0)); 84550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue StOp = DAG.getStore(Chain, EOp, BasePtr, SV, SVOffset, 84560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 84570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StChain.push_back(StOp); 84580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we are done 84600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StWidth == EVTWidth) { 84610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return; 84620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 1; 84650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StWidth -= EVTWidth; 84660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Offset = 0; 84670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang while (StWidth > 0) { 84690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Increment = EVTWidth / 8; 84700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Offset += Increment; 84710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang BasePtr = DAG.getNode(ISD::ADD, BasePtr.getValueType(), BasePtr, 84720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Increment)); 84730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StWidth < EVTWidth) { 84750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Our current type we are using is too large, use a smaller size by 84760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // using a smaller power of 2 84770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned oEVTWidth = EVTWidth; 84780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, StWidth, VVT, EVT, VecEVT); 84790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 84800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Readjust position and vector position based on new load type 848149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Idx = Idx * (oEVTWidth/EVTWidth); 84820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, VecOp); 84830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp, 848649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang DAG.getIntPtrConstant(Idx++)); 84870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StChain.push_back(DAG.getStore(Chain, EOp, BasePtr, SV, 84880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset + Offset, isVolatile, 84890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MinAlign(Alignment, Offset))); 84900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StWidth -= EVTWidth; 84910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 84930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::StoreWidenVectorOp(StoreSDNode *ST, 84960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 84970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr) { 84980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: It might be cleaner if we can use SplitVector and have more legal 84990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector types that can be stored into memory (e.g., v4xi8 can 85000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // be stored as a word). This will not work when a vector register 85010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // to memory mapping is strange (e.g., vector elements are not 85020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // stored in some sequential order). 85030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT StVT = ST->getMemoryVT(); 85050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue ValOp = ST->getValue(); 85060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we have widen this node with another value 85080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = WidenNodes.find(ValOp); 85090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) 85100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ValOp = I->second; 85110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = ValOp.getValueType(); 85130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It must be true that we the widen vector type is bigger than where 85150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we need to store. 85160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.isVector() && VVT.isVector()); 85170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.getSizeInBits() < VVT.getSizeInBits()); 85180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.getVectorElementType() == VVT.getVectorElementType()); 85190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Store value 85210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector StChain; 85220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang genWidenVectorStores(StChain, Chain, BasePtr, ST->getSrcValue(), 85230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ST->getSrcValueOffset(), ST->getAlignment(), 85240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ST->isVolatile(), ValOp, StVT.getSizeInBits()); 85250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StChain.size() == 1) 85260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return StChain[0]; 85270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else 85280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::TokenFactor, MVT::Other,&StChain[0],StChain.size()); 85290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 85300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 85323e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// SelectionDAG::Legalize - This is the entry point for the file. 85333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// 85349c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattnervoid SelectionDAG::Legalize() { 85353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// run - This is the main entry point to this class. 85363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// 8537456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner SelectionDAGLegalize(*this).LegalizeDAG(); 85383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 85393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 8540