LegalizeDAG.cpp revision 74c376529101acbe141a256d0bf23a44eb454c84
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); 300e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang 301e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang // Returns the legalized (truncated or extended) shift amount. 302e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang SDValue LegalizeShiftAmount(SDValue ShiftAmt); 3033e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner}; 3043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3053e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3064352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// isVectorShuffleLegal - Return true if a vector shuffle is legal with the 3074352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// specified mask and type. Targets can specify exactly which masks they 3084352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// support and the code generator is tasked with not creating illegal masks. 3094352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// 3104352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// Note that this will also return true for shuffles that are promoted to a 3114352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// different type. 312475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDNode *SelectionDAGLegalize::isShuffleLegal(MVT VT, SDValue Mask) const { 3134352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner switch (TLI.getOperationAction(ISD::VECTOR_SHUFFLE, VT)) { 3144352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner default: return 0; 3154352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Legal: 3164352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Custom: 3174352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 3184352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Promote: { 3194352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // If this is promoted to a different type, convert the shuffle mask and 3204352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // ask if it is legal in the promoted type! 32183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(ISD::VECTOR_SHUFFLE, VT); 322d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands MVT EltVT = NVT.getVectorElementType(); 3234352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 3244352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // If we changed # elements, change the shuffle mask. 3254352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner unsigned NumEltsGrowth = 32683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NVT.getVectorNumElements() / VT.getVectorNumElements(); 3274352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner assert(NumEltsGrowth && "Cannot promote to vector type with fewer elts!"); 3284352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (NumEltsGrowth > 1) { 3294352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Renumber the elements. 330475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 3314352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner for (unsigned i = 0, e = Mask.getNumOperands(); i != e; ++i) { 332475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InOp = Mask.getOperand(i); 3334352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner for (unsigned j = 0; j != NumEltsGrowth; ++j) { 3344352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (InOp.getOpcode() == ISD::UNDEF) 335d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); 3364352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner else { 337f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned InEltNo = cast<ConstantSDNode>(InOp)->getZExtValue(); 338d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands Ops.push_back(DAG.getConstant(InEltNo*NumEltsGrowth+j, EltVT)); 3394352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3404352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3414352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 342bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner Mask = DAG.getNode(ISD::BUILD_VECTOR, NVT, &Ops[0], Ops.size()); 3434352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3444352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner VT = NVT; 3454352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 3464352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3474352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 348ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return TLI.isShuffleMaskLegal(Mask, VT) ? Mask.getNode() : 0; 3494352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner} 3504352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 3519c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris LattnerSelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag) 3529c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner : TLI(dag.getTargetLoweringInfo()), DAG(dag), 3539c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner ValueTypeActions(TLI.getValueTypeActions()) { 3546a648614e88586e85a36ceb5c1d3b84e4f55b458Nate Begeman assert(MVT::LAST_VALUETYPE <= 32 && 3553e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner "Too many value types for ValueTypeActions to hold!"); 3563e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3573e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3583e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnervoid SelectionDAGLegalize::LegalizeDAG() { 3596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 3606831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = false; 3616831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 362ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // The legalize process is inherently a bottom-up recursive process (users 363ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // legalize their uses before themselves). Given infinite stack space, we 364ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // could just start legalizing on the root and traverse the whole graph. In 365ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // practice however, this causes us to run out of stack space on large basic 36632fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // blocks. To avoid this problem, compute an ordering of the nodes where each 36732fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // node is only legalized after all of its operands are legalized. 368f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman DAG.AssignTopologicalOrder(); 369f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman for (SelectionDAG::allnodes_iterator I = DAG.allnodes_begin(), 370f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman E = prior(DAG.allnodes_end()); I != next(E); ++I) 371f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman HandleOp(SDValue(I, 0)); 37232fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner 37332fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // Finally, it's possible the root changed. Get the new root. 374475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue OldRoot = DAG.getRoot(); 37532fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner assert(LegalizedNodes.count(OldRoot) && "Root didn't get legalized?"); 37632fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner DAG.setRoot(LegalizedNodes[OldRoot]); 3773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3783e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandedNodes.clear(); 3793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner LegalizedNodes.clear(); 38071c42a0190300a8903aaea80467b88f15f327ea9Chris Lattner PromotedNodes.clear(); 381c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitNodes.clear(); 3827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizedNodes.clear(); 3830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenNodes.clear(); 3843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // Remove dead nodes now. 386190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner DAG.RemoveDeadNodes(); 3873e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3883e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3896831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 3906831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// FindCallEndFromCallStart - Given a chained node that is part of a call 3916831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// sequence, find the CALLSEQ_END node that terminates the call sequence. 3926831a815999dde4cf801e2076e66b4943964daf2Chris Lattnerstatic SDNode *FindCallEndFromCallStart(SDNode *Node) { 3936831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getOpcode() == ISD::CALLSEQ_END) 3946831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Node; 3956831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->use_empty()) 3966831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; // No CallSeqEnd 3976831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 3986831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // The chain is usually at the end. 399475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TheChain(Node, Node->getNumValues()-1); 4006831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) { 4016831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Sometimes it's at the beginning. 402475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TheChain = SDValue(Node, 0); 4036831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) { 4046831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, hunt for it. 4056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 1, e = Node->getNumValues(); i != e; ++i) 4066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getValueType(i) == MVT::Other) { 407475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TheChain = SDValue(Node, i); 4086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4096831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4106831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4116831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, we walked into a node without a chain. 4126831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) 4136831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; 4146831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4156831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4166831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4176831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (SDNode::use_iterator UI = Node->use_begin(), 4186831a815999dde4cf801e2076e66b4943964daf2Chris Lattner E = Node->use_end(); UI != E; ++UI) { 4196831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4206831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Make sure to only follow users of our token chain. 4218968450305c28444edc3c272d8752a8db0c2f34aDan Gohman SDNode *User = *UI; 4226831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) 4236831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (User->getOperand(i) == TheChain) 4246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (SDNode *Result = FindCallEndFromCallStart(User)) 4256831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Result; 4266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4276831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; 4286831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4296831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4306831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// FindCallStartFromCallEnd - Given a chained node that is part of a call 4316831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// sequence, find the CALLSEQ_START node that initiates the call sequence. 4326831a815999dde4cf801e2076e66b4943964daf2Chris Lattnerstatic SDNode *FindCallStartFromCallEnd(SDNode *Node) { 4336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(Node && "Didn't find callseq_start for a call??"); 4346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getOpcode() == ISD::CALLSEQ_START) return Node; 4356831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4366831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(Node->getOperand(0).getValueType() == MVT::Other && 4376831a815999dde4cf801e2076e66b4943964daf2Chris Lattner "Node doesn't have a token chain argument!"); 438ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return FindCallStartFromCallEnd(Node->getOperand(0).getNode()); 4396831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4406831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4416831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// LegalizeAllNodesNotLeadingTo - Recursively walk the uses of N, looking to 4426831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// see if any uses can reach Dest. If no dest operands can get to dest, 4436831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// legalize them, legalize ourself, and return false, otherwise, return true. 444c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// 445c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// Keep track of the nodes we fine that actually do lead to Dest in 446c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// NodesLeadingTo. This avoids retraversing them exponential number of times. 447c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// 448c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattnerbool SelectionDAGLegalize::LegalizeAllNodesNotLeadingTo(SDNode *N, SDNode *Dest, 44900755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner SmallPtrSet<SDNode*, 32> &NodesLeadingTo) { 4506831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (N == Dest) return true; // N certainly leads to Dest :) 4516831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 452c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner // If we've already processed this node and it does lead to Dest, there is no 453c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner // need to reprocess it. 454c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner if (NodesLeadingTo.count(N)) return true; 455c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner 4566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // If the first result of this node has been already legalized, then it cannot 4576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // reach N. 4586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner switch (getTypeAction(N->getValueType(0))) { 4596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Legal: 460475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (LegalizedNodes.count(SDValue(N, 0))) return false; 4616831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4626831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Promote: 463475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (PromotedNodes.count(SDValue(N, 0))) return false; 4646831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4656831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Expand: 466475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (ExpandedNodes.count(SDValue(N, 0))) return false; 4676831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4686831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4696831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4706831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Okay, this node has not already been legalized. Check and legalize all 4716831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // operands. If none lead to Dest, then we can legalize this node. 4726831a815999dde4cf801e2076e66b4943964daf2Chris Lattner bool OperandsLeadToDest = false; 4736831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) 4746831a815999dde4cf801e2076e66b4943964daf2Chris Lattner OperandsLeadToDest |= // If an operand leads to Dest, so do we. 475ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LegalizeAllNodesNotLeadingTo(N->getOperand(i).getNode(), Dest, NodesLeadingTo); 4766831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 477c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner if (OperandsLeadToDest) { 478c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner NodesLeadingTo.insert(N); 479c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner return true; 480c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner } 4816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4826831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Okay, this node looks safe, legalize it and return false. 483475871a144eb604ddaf37503397ba0941442e5fbDan Gohman HandleOp(SDValue(N, 0)); 4846831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return false; 4856831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4866831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang/// HandleOp - Legalize, Promote, Widen, or Expand the specified operand as 488c7029805ef35ce9805931067b841e6af11db382eChris Lattner/// appropriate for its type. 489475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::HandleOp(SDValue Op) { 49083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 4917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman switch (getTypeAction(VT)) { 492c7029805ef35ce9805931067b841e6af11db382eChris Lattner default: assert(0 && "Bad type action!"); 4937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case Legal: (void)LegalizeOp(Op); break; 4940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Promote: 4950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!VT.isVector()) { 4960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang (void)PromoteOp(Op); 4970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 4980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 4990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 5000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // See if we can widen otherwise use Expand to either scalarize or split 5010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT WidenVT = TLI.getWidenVectorType(VT); 5020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (WidenVT != MVT::Other) { 5030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang (void) WidenVectorOp(Op, WidenVT); 5040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 5050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 5060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // else fall thru to expand since we can't widen the vector 5070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 508c7029805ef35ce9805931067b841e6af11db382eChris Lattner case Expand: 50983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!VT.isVector()) { 5107f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // If this is an illegal scalar, expand it into its two component 5117f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // pieces. 512475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue X, Y; 51309ec1b058331aadb29a348091611d23892b5c492Chris Lattner if (Op.getOpcode() == ISD::TargetConstant) 51409ec1b058331aadb29a348091611d23892b5c492Chris Lattner break; // Allow illegal target nodes. 515c7029805ef35ce9805931067b841e6af11db382eChris Lattner ExpandOp(Op, X, Y); 51683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (VT.getVectorNumElements() == 1) { 5177f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // If this is an illegal single element vector, convert it to a 5187f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // scalar operation. 5197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman (void)ScalarizeVectorOp(Op); 520c7029805ef35ce9805931067b841e6af11db382eChris Lattner } else { 5210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // This is an illegal multiple element vector. 5227f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Split it in half and legalize both parts. 523475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue X, Y; 5247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SplitVectorOp(Op, X, Y); 525c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 526c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 527c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 528c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 5296831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 5309f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng/// ExpandConstantFP - Expands the ConstantFP node to an integer constant or 5319f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng/// a load from the constant pool. 532475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanstatic SDValue ExpandConstantFP(ConstantFPSDNode *CFP, bool UseCP, 533279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng SelectionDAG &DAG, TargetLowering &TLI) { 534004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng bool Extend = false; 535004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 536004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // If a FP immediate is precise when represented as a float and if the 537004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // target can do an extending load from float to double, we put it into 538004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // the constant pool as a float, even if it's is statically typed as a 539aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // double. This shrinks FP constants and canonicalizes them for targets where 540aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // an FP extending load is the same cost as a normal load (such as on the x87 541aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // fp stack or PPC FP unit). 54283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = CFP->getValueType(0); 5434fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman ConstantFP *LLVMC = const_cast<ConstantFP*>(CFP->getConstantFPValue()); 5449f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (!UseCP) { 5459e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen if (VT!=MVT::f64 && VT!=MVT::f32) 5469e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen assert(0 && "Invalid type expansion"); 5477111b02c734c992b8c97d9918118768026dad79eDale Johannesen return DAG.getConstant(LLVMC->getValueAPF().bitcastToAPInt(), 548ef12057737229452c17983faa20857dba441ef05Evan Cheng (VT == MVT::f64) ? MVT::i64 : MVT::i32); 549279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng } 550279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng 55183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OrigVT = VT; 55283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SVT = VT; 553ef12057737229452c17983faa20857dba441ef05Evan Cheng while (SVT != MVT::f32) { 55483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SVT = (MVT::SimpleValueType)(SVT.getSimpleVT() - 1); 555ef12057737229452c17983faa20857dba441ef05Evan Cheng if (CFP->isValueValidForType(SVT, CFP->getValueAPF()) && 556ef12057737229452c17983faa20857dba441ef05Evan Cheng // Only do this if the target has a native EXTLOAD instruction from 557ef12057737229452c17983faa20857dba441ef05Evan Cheng // smaller type. 5580329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng TLI.isLoadExtLegal(ISD::EXTLOAD, SVT) && 559aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner TLI.ShouldShrinkFPConstant(OrigVT)) { 56083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *SType = SVT.getTypeForMVT(); 561ef12057737229452c17983faa20857dba441ef05Evan Cheng LLVMC = cast<ConstantFP>(ConstantExpr::getFPTrunc(LLVMC, SType)); 562ef12057737229452c17983faa20857dba441ef05Evan Cheng VT = SVT; 563ef12057737229452c17983faa20857dba441ef05Evan Cheng Extend = true; 564ef12057737229452c17983faa20857dba441ef05Evan Cheng } 565004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 566004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 567475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(LLVMC, TLI.getPointerTy()); 56850284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 569ef12057737229452c17983faa20857dba441ef05Evan Cheng if (Extend) 570ef12057737229452c17983faa20857dba441ef05Evan Cheng return DAG.getExtLoad(ISD::EXTLOAD, OrigVT, DAG.getEntryNode(), 5713069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman CPIdx, PseudoSourceValue::getConstantPool(), 57250284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman 0, VT, false, Alignment); 573ef12057737229452c17983faa20857dba441ef05Evan Cheng return DAG.getLoad(OrigVT, DAG.getEntryNode(), CPIdx, 57450284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, false, Alignment); 575004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng} 576004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 5776831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 578912095becac923ff614d7b07728eb345ada67765Evan Cheng/// ExpandFCOPYSIGNToBitwiseOps - Expands fcopysign to a series of bitwise 579912095becac923ff614d7b07728eb345ada67765Evan Cheng/// operations. 580912095becac923ff614d7b07728eb345ada67765Evan Chengstatic 581475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandFCOPYSIGNToBitwiseOps(SDNode *Node, MVT NVT, 582475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SelectionDAG &DAG, TargetLowering &TLI) { 58383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 58483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Node->getOperand(1).getValueType(); 5857f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert((SrcVT == MVT::f32 || SrcVT == MVT::f64) && 5867f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman "fcopysign expansion only supported for f32 and f64"); 58783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcNVT = (SrcVT == MVT::f64) ? MVT::i64 : MVT::i32; 588068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 589912095becac923ff614d7b07728eb345ada67765Evan Cheng // First get the sign bit of second operand. 590475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask1 = (SrcVT == MVT::f64) 591912095becac923ff614d7b07728eb345ada67765Evan Cheng ? DAG.getConstantFP(BitsToDouble(1ULL << 63), SrcVT) 592912095becac923ff614d7b07728eb345ada67765Evan Cheng : DAG.getConstantFP(BitsToFloat(1U << 31), SrcVT); 593068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Mask1 = DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Mask1); 594475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit= DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Node->getOperand(1)); 595068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng SignBit = DAG.getNode(ISD::AND, SrcNVT, SignBit, Mask1); 596912095becac923ff614d7b07728eb345ada67765Evan Cheng // Shift right or sign-extend it if the two operands have different types. 59783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int SizeDiff = SrcNVT.getSizeInBits() - NVT.getSizeInBits(); 598912095becac923ff614d7b07728eb345ada67765Evan Cheng if (SizeDiff > 0) { 599912095becac923ff614d7b07728eb345ada67765Evan Cheng SignBit = DAG.getNode(ISD::SRL, SrcNVT, SignBit, 600912095becac923ff614d7b07728eb345ada67765Evan Cheng DAG.getConstant(SizeDiff, TLI.getShiftAmountTy())); 601912095becac923ff614d7b07728eb345ada67765Evan Cheng SignBit = DAG.getNode(ISD::TRUNCATE, NVT, SignBit); 602c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner } else if (SizeDiff < 0) { 603c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner SignBit = DAG.getNode(ISD::ZERO_EXTEND, NVT, SignBit); 604c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner SignBit = DAG.getNode(ISD::SHL, NVT, SignBit, 605c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner DAG.getConstant(-SizeDiff, TLI.getShiftAmountTy())); 606c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner } 607068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 608068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng // Clear the sign bit of first operand. 609475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask2 = (VT == MVT::f64) 610068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) 611068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); 612068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Mask2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask2); 613475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 614068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Result = DAG.getNode(ISD::AND, NVT, Result, Mask2); 615068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 616068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng // Or the value with the sign bit. 617912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = DAG.getNode(ISD::OR, NVT, Result, SignBit); 618912095becac923ff614d7b07728eb345ada67765Evan Cheng return Result; 619912095becac923ff614d7b07728eb345ada67765Evan Cheng} 620912095becac923ff614d7b07728eb345ada67765Evan Cheng 621f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio/// ExpandUnalignedStore - Expands an unaligned store to 2 half-size stores. 622f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venanciostatic 623475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG, 624475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TargetLowering &TLI) { 625475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = ST->getChain(); 626475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = ST->getBasePtr(); 627475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val = ST->getValue(); 62883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Val.getValueType(); 629907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen int Alignment = ST->getAlignment(); 630907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen int SVOffset = ST->getSrcValueOffset(); 63183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (ST->getMemoryVT().isFloatingPoint() || 63283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands ST->getMemoryVT().isVector()) { 633907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // Expand to a bitconvert of the value to the integer type of the 634907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // same size, then a (misaligned) int store. 63583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT intVT; 63683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.is128BitVector() || VT == MVT::ppcf128 || VT == MVT::f128) 6378155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen intVT = MVT::i128; 63883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (VT.is64BitVector() || VT==MVT::f64) 639907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i64; 640907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else if (VT==MVT::f32) 641907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i32; 642907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else 643cd9f1747ab72f9863924fbdf43493d9fa6256719Dale Johannesen assert(0 && "Unaligned store of unsupported type"); 644907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 645475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, intVT, Val); 646907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen return DAG.getStore(Chain, Result, Ptr, ST->getSrcValue(), 647907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen SVOffset, ST->isVolatile(), Alignment); 648907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen } 64983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(ST->getMemoryVT().isInteger() && 65083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands !ST->getMemoryVT().isVector() && 651907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen "Unaligned store of unknown type."); 652f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Get the half-size VT 65383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewStoredVT = 65483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands (MVT::SimpleValueType)(ST->getMemoryVT().getSimpleVT() - 1); 65583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int NumBits = NewStoredVT.getSizeInBits(); 656f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio int IncrementSize = NumBits / 8; 657f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 658f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Divide the stored value in two parts. 659475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmount = DAG.getConstant(NumBits, TLI.getShiftAmountTy()); 660475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = Val; 661475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = DAG.getNode(ISD::SRL, VT, Val, ShiftAmount); 662f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 663f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Store the two parts 664475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store1, Store2; 665f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Store1 = DAG.getTruncStore(Chain, TLI.isLittleEndian()?Lo:Hi, Ptr, 666f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->getSrcValue(), SVOffset, NewStoredVT, 667f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->isVolatile(), Alignment); 668f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 669f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 670dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 671f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Store2 = DAG.getTruncStore(Chain, TLI.isLittleEndian()?Hi:Lo, Ptr, 672f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->getSrcValue(), SVOffset + IncrementSize, 673f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio NewStoredVT, ST->isVolatile(), Alignment); 674f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 675f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio return DAG.getNode(ISD::TokenFactor, MVT::Other, Store1, Store2); 676f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio} 677f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 678f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio/// ExpandUnalignedLoad - Expands an unaligned load to 2 half-size loads. 679f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venanciostatic 680475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG, 681475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TargetLowering &TLI) { 682f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio int SVOffset = LD->getSrcValueOffset(); 683475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = LD->getChain(); 684475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); 68583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LD->getValueType(0); 68683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT LoadedVT = LD->getMemoryVT(); 68783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isFloatingPoint() || VT.isVector()) { 688907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // Expand to a (misaligned) integer load of the same size, 6898155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // then bitconvert to floating point or vector. 69083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT intVT; 69183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (LoadedVT.is128BitVector() || 6923c8b59c546b5d56b2cae74da55e26eb994ed36bfDale Johannesen LoadedVT == MVT::ppcf128 || LoadedVT == MVT::f128) 6938155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen intVT = MVT::i128; 69483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (LoadedVT.is64BitVector() || LoadedVT == MVT::f64) 695907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i64; 696e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner else if (LoadedVT == MVT::f32) 697907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i32; 698907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else 6998155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen assert(0 && "Unaligned load of unsupported type"); 700907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 701475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue newLoad = DAG.getLoad(intVT, Chain, Ptr, LD->getSrcValue(), 702907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen SVOffset, LD->isVolatile(), 703907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen LD->getAlignment()); 704475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, LoadedVT, newLoad); 70583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isFloatingPoint() && LoadedVT != VT) 706907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Result = DAG.getNode(ISD::FP_EXTEND, VT, Result); 707907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 708475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Result, Chain }; 7094bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands return DAG.getMergeValues(Ops, 2); 710907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen } 71183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(LoadedVT.isInteger() && !LoadedVT.isVector() && 712e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner "Unaligned load of unsupported type."); 713e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner 7148155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // Compute the new VT that is half the size of the old one. This is an 7158155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // integer MVT. 71683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumBits = LoadedVT.getSizeInBits(); 71783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewLoadedVT; 71883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewLoadedVT = MVT::getIntegerVT(NumBits/2); 719e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner NumBits >>= 1; 720e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner 721e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner unsigned Alignment = LD->getAlignment(); 722e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner unsigned IncrementSize = NumBits / 8; 723f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ISD::LoadExtType HiExtType = LD->getExtensionType(); 724f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 725f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If the original load is NON_EXTLOAD, the hi part load must be ZEXTLOAD. 726f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (HiExtType == ISD::NON_EXTLOAD) 727f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio HiExtType = ISD::ZEXTLOAD; 728f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 729f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Load the value in two parts 730475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 731f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (TLI.isLittleEndian()) { 732f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Lo = DAG.getExtLoad(ISD::ZEXTLOAD, VT, Chain, Ptr, LD->getSrcValue(), 733f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset, NewLoadedVT, LD->isVolatile(), Alignment); 734f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 735f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 736f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi = DAG.getExtLoad(HiExtType, VT, Chain, Ptr, LD->getSrcValue(), 737f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset + IncrementSize, NewLoadedVT, LD->isVolatile(), 738dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands MinAlign(Alignment, IncrementSize)); 739f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } else { 740f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi = DAG.getExtLoad(HiExtType, VT, Chain, Ptr, LD->getSrcValue(), SVOffset, 741f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio NewLoadedVT,LD->isVolatile(), Alignment); 742f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 743f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 744f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Lo = DAG.getExtLoad(ISD::ZEXTLOAD, VT, Chain, Ptr, LD->getSrcValue(), 745f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset + IncrementSize, NewLoadedVT, LD->isVolatile(), 746dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands MinAlign(Alignment, IncrementSize)); 747f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 748f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 749f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // aggregate the two parts 750475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmount = DAG.getConstant(NumBits, TLI.getShiftAmountTy()); 751475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::SHL, VT, Hi, ShiftAmount); 752f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Result = DAG.getNode(ISD::OR, VT, Result, Lo); 753f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 754475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 755f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi.getValue(1)); 756f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 757475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Result, TF }; 7584bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands return DAG.getMergeValues(Ops, 2); 759f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio} 760912095becac923ff614d7b07728eb345ada67765Evan Cheng 761826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// UnrollVectorOp - We know that the given vector has a legal type, however 762826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// the operation it performs is not legal and is an operation that we have 763826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// no way of lowering. "Unroll" the vector, splitting out the scalars and 764826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// operating on each element individually. 765475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::UnrollVectorOp(SDValue Op) { 76683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 767826695281344e3a4c4d44d73dd155107aafd689bDan Gohman assert(isTypeLegal(VT) && 768826695281344e3a4c4d44d73dd155107aafd689bDan Gohman "Caller should expand or promote operands that are not legal!"); 769ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Op.getNode()->getNumValues() == 1 && 770826695281344e3a4c4d44d73dd155107aafd689bDan Gohman "Can't unroll a vector with multiple results!"); 77183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NE = VT.getVectorNumElements(); 77283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 773826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 774475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Scalars; 775475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 4> Operands(Op.getNumOperands()); 776826695281344e3a4c4d44d73dd155107aafd689bDan Gohman for (unsigned i = 0; i != NE; ++i) { 777826695281344e3a4c4d44d73dd155107aafd689bDan Gohman for (unsigned j = 0; j != Op.getNumOperands(); ++j) { 778475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Operand = Op.getOperand(j); 77983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OperandVT = Operand.getValueType(); 78083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (OperandVT.isVector()) { 781826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // A vector operand; extract a single element. 78283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OperandEltVT = OperandVT.getVectorElementType(); 783826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operands[j] = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, 784826695281344e3a4c4d44d73dd155107aafd689bDan Gohman OperandEltVT, 785826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operand, 786826695281344e3a4c4d44d73dd155107aafd689bDan Gohman DAG.getConstant(i, MVT::i32)); 787826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } else { 788826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // A scalar operand; just use it as is. 789826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operands[j] = Operand; 790826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 791826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 792e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang 793e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang switch (Op.getOpcode()) { 794e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang default: 795e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang Scalars.push_back(DAG.getNode(Op.getOpcode(), EltVT, 796e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang &Operands[0], Operands.size())); 797e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang break; 798e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang case ISD::SHL: 799e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang case ISD::SRA: 800e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang case ISD::SRL: 801e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang Scalars.push_back(DAG.getNode(Op.getOpcode(), EltVT, Operands[0], 802e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang LegalizeShiftAmount(Operands[1]))); 803e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang break; 804e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang } 805826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 806826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 807826695281344e3a4c4d44d73dd155107aafd689bDan Gohman return DAG.getNode(ISD::BUILD_VECTOR, VT, &Scalars[0], Scalars.size()); 808826695281344e3a4c4d44d73dd155107aafd689bDan Gohman} 809826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 810007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands/// GetFPLibCall - Return the right libcall for the given floating point type. 81183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sandsstatic RTLIB::Libcall GetFPLibCall(MVT VT, 812007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F32, 813007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F64, 814007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F80, 815007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_PPCF128) { 816007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands return 817007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f32 ? Call_F32 : 818007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f64 ? Call_F64 : 819007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f80 ? Call_F80 : 820007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::ppcf128 ? Call_PPCF128 : 821007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::UNKNOWN_LIBCALL; 822007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands} 823007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands 8246867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// PerformInsertVectorEltInMemory - Some target cannot handle a variable 8256867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// insertion index for the INSERT_VECTOR_ELT instruction. In this case, it 8266867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// is necessary to spill the vector being inserted into to memory, perform 8276867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// the insert there, and then read the result back. 828475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize:: 829475871a144eb604ddaf37503397ba0941442e5fbDan GohmanPerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, SDValue Idx) { 830475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1 = Vec; 831475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = Val; 832475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = Idx; 8336867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8346867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // If the target doesn't support this, we have to spill the input vector 8356867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // to a temporary stack slot, update the element, then reload it. This is 8366867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // badness. We could also load the value into a vector register (either 8376867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // with a "move to register" or "extload into register" instruction, then 8386867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // permute it into place, if the idx is a constant and if the idx is 8396867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // supported by the target. 84083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Tmp1.getValueType(); 84183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 84283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT IdxVT = Tmp3.getValueType(); 84383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 844475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(VT); 8456867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 846ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex(); 8476867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8486867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Store the vector. 849475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, 8500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang PseudoSourceValue::getFixedStack(SPFI), 0); 8516867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8526867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Truncate or zero extend offset to target pointer type. 8538e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands unsigned CastOpc = IdxVT.bitsGT(PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND; 8546867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Tmp3 = DAG.getNode(CastOpc, PtrVT, Tmp3); 8556867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Add the offset to the index. 85683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned EltSize = EltVT.getSizeInBits()/8; 8576867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Tmp3 = DAG.getNode(ISD::MUL, IdxVT, Tmp3,DAG.getConstant(EltSize, IdxVT)); 858475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr2 = DAG.getNode(ISD::ADD, IdxVT, Tmp3, StackPtr); 8596867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Store the scalar value. 8606867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Ch = DAG.getTruncStore(Ch, Tmp2, StackPtr2, 861a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, EltVT); 8626867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Load the updated vector. 863a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman return DAG.getLoad(VT, Ch, StackPtr, 864a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 8656867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman} 8666867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 867e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P WangSDValue SelectionDAGLegalize::LegalizeShiftAmount(SDValue ShiftAmt) { 868e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang if (TLI.getShiftAmountTy().bitsLT(ShiftAmt.getValueType())) 869e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang return DAG.getNode(ISD::TRUNCATE, TLI.getShiftAmountTy(), ShiftAmt); 870e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang 871e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang if (TLI.getShiftAmountTy().bitsGT(ShiftAmt.getValueType())) 872e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang return DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), ShiftAmt); 873e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang 874e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang return ShiftAmt; 875e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang} 876e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang 877e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang 878a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// LegalizeOp - We know that the specified value has a legal type, and 879a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// that its operands are legal. Now ensure that the operation itself 880a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// is legal, recursively ensuring that the operands' operations remain 881a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// legal. 882475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { 88309ec1b058331aadb29a348091611d23892b5c492Chris Lattner if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes. 88409ec1b058331aadb29a348091611d23892b5c492Chris Lattner return Op; 88509ec1b058331aadb29a348091611d23892b5c492Chris Lattner 886c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner assert(isTypeLegal(Op.getValueType()) && 887e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner "Caller should expand or promote operands that are not legal!"); 888ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 889e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner 8903e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // If this operation defines any values that cannot be represented in a 891e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner // register on this target, make sure to expand or promote them. 89245982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner if (Node->getNumValues() > 1) { 89345982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 894c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (getTypeAction(Node->getValueType(i)) != Legal) { 895c7029805ef35ce9805931067b841e6af11db382eChris Lattner HandleOp(Op.getValue(i)); 8963e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(LegalizedNodes.count(Op) && 897c7029805ef35ce9805931067b841e6af11db382eChris Lattner "Handling didn't add legal operands!"); 89803c8546ec57523970874917854a2fb77b1ff598eChris Lattner return LegalizedNodes[Op]; 8993e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 9003e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 9013e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 90245982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // Note that LegalizeOp may be reentered even from single-use nodes, which 90345982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // means that we always must cache transformed nodes. 904475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = LegalizedNodes.find(Op); 905e1bd822ddb0099406d9f280535461033dfeeb190Chris Lattner if (I != LegalizedNodes.end()) return I->second; 9063e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 907475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Tmp4; 908475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = Op; 909456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner bool isCustom = false; 910456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 9113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getOpcode()) { 912948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::FrameIndex: 913948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::EntryToken: 914948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::Register: 915948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::BasicBlock: 916948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetFrameIndex: 91737efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::TargetJumpTable: 918948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetConstant: 9193181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner case ISD::TargetConstantFP: 920948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetConstantPool: 921948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetGlobalAddress: 922b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio case ISD::TargetGlobalTLSAddress: 923056292fd738924f3f7703725d8f630983794b5a5Bill Wendling case ISD::TargetExternalSymbol: 924948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::VALUETYPE: 925948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::SRCVALUE: 92669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case ISD::MEMOPERAND: 927948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::CONDCODE: 928276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands case ISD::ARG_FLAGS: 929948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner // Primitives must all be legal. 930a7c97a7f5b82778ca5abfc3791c6b7f96b82a5faDuncan Sands assert(TLI.isOperationLegal(Node->getOpcode(), Node->getValueType(0)) && 931948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner "This must be legal!"); 932948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner break; 9333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner default: 934d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner if (Node->getOpcode() >= ISD::BUILTIN_OP_END) { 935d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // If this is a target node, legalize it by legalizing the operands then 936d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // passing it through. 937475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 938c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 939d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 940c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner 941f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result.getValue(0), &Ops[0], Ops.size()); 942d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner 943d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 944d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner AddLegalizedOperand(Op.getValue(i), Result.getValue(i)); 94599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 946d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner } 947d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // Otherwise this is an unhandled builtin node. splat. 948e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 94939833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 950e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 9513e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(0 && "Do not know how to legalize this operator!"); 9523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner abort(); 9530d3b67809ccab229a03db8c1bede852fb89eb081Lauro Ramos Venancio case ISD::GLOBAL_OFFSET_TABLE: 9543e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::GlobalAddress: 955b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio case ISD::GlobalTLSAddress: 956056292fd738924f3f7703725d8f630983794b5a5Bill Wendling case ISD::ExternalSymbol: 95737efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::ConstantPool: 95837efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::JumpTable: // Nothing to do. 9590c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 9600c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner default: assert(0 && "This action is not supported yet!"); 961948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case TargetLowering::Custom: 962948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner Tmp1 = TLI.LowerOperation(Op, DAG); 963ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 964948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner // FALLTHROUGH if the target doesn't want to lower this op after all. 9650c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner case TargetLowering::Legal: 9660c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner break; 9670c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner } 9683e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 969bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman case ISD::FRAMEADDR: 970bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman case ISD::RETURNADDR: 971bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // The only option for these nodes is to custom lower them. If the target 972bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // does not custom lower them, then return zero. 973bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Tmp1 = TLI.LowerOperation(Op, DAG); 974ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) 975bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Result = Tmp1; 976bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman else 977bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Result = DAG.getConstant(0, TLI.getPointerTy()); 978bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman break; 979055c5449a4046a5e1a5210d2f91aee4e3901cccfAnton Korobeynikov case ISD::FRAME_TO_ARGS_OFFSET: { 98083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 981066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 982066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov default: assert(0 && "This action is not supported yet!"); 983066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov case TargetLowering::Custom: 984066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 985ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 986066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov // Fall Thru 987066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov case TargetLowering::Legal: 988066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov Result = DAG.getConstant(0, VT); 989066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov break; 990066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov } 991055c5449a4046a5e1a5210d2f91aee4e3901cccfAnton Korobeynikov } 992066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov break; 9932bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case ISD::EXCEPTIONADDR: { 9942bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); 99583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 9962bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 9972bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey default: assert(0 && "This action is not supported yet!"); 9982bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case TargetLowering::Expand: { 9998782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey unsigned Reg = TLI.getExceptionAddressRegister(); 1000b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Result = DAG.getCopyFromReg(Tmp1, Reg, VT); 10012bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 10022bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey break; 10032bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case TargetLowering::Custom: 10042bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey Result = TLI.LowerOperation(Op, DAG); 1005ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10062bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey // Fall Thru 1007eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner case TargetLowering::Legal: { 1008475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { DAG.getConstant(0, VT), Tmp1 }; 10094bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands Result = DAG.getMergeValues(Ops, 2); 10108782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey break; 10118782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 10128782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 1013eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner } 1014ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 1015b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1016ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 1017b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands "Cannot return more than two values!"); 1018b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1019b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // Since we produced two values, make sure to remember that we 1020b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // legalized both of them. 1021b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp1 = LegalizeOp(Result); 1022b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); 1023b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(0), Tmp1); 1024b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(1), Tmp2); 102599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 10268782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case ISD::EHSELECTION: { 10278782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); 10288782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Tmp2 = LegalizeOp(Node->getOperand(1)); 102983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 10308782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 10318782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey default: assert(0 && "This action is not supported yet!"); 10328782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case TargetLowering::Expand: { 10338782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey unsigned Reg = TLI.getExceptionSelectorRegister(); 1034b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Result = DAG.getCopyFromReg(Tmp2, Reg, VT); 10358782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 10368782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey break; 10378782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case TargetLowering::Custom: 10388782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Result = TLI.LowerOperation(Op, DAG); 1039ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10408782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey // Fall Thru 1041eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner case TargetLowering::Legal: { 1042475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { DAG.getConstant(0, VT), Tmp2 }; 10434bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands Result = DAG.getMergeValues(Ops, 2); 10442bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey break; 10452bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 10462bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 1047eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner } 1048ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 1049b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1050ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 1051b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands "Cannot return more than two values!"); 1052b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1053b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // Since we produced two values, make sure to remember that we 1054b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // legalized both of them. 1055b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp1 = LegalizeOp(Result); 1056b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); 1057b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(0), Tmp1); 1058b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(1), Tmp2); 105999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 10606d4b711e7f2e27d94d3c49dc9e7575dbe0f242e0Nick Lewycky case ISD::EH_RETURN: { 106183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 10622365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // The only "good" option for this node is to custom lower it. 10632365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 10642365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov default: assert(0 && "This action is not supported at all!"); 10652365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov case TargetLowering::Custom: 10662365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 1067ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10682365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // Fall Thru 10692365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov case TargetLowering::Legal: 10702365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // Target does not know, how to lower this, lower to noop 10712365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov Result = LegalizeOp(Node->getOperand(0)); 10722365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov break; 10732365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov } 10746d4b711e7f2e27d94d3c49dc9e7575dbe0f242e0Nick Lewycky } 10752365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov break; 107608951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner case ISD::AssertSext: 107708951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner case ISD::AssertZext: 107808951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1079c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 108008951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner break; 1081308575be66ec3870d27b19df044fda18448feb41Chris Lattner case ISD::MERGE_VALUES: 1082c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner // Legalize eliminates MERGE_VALUES nodes. 108399a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif Result = Node->getOperand(Op.getResNo()); 1084456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 108569a52155d2eff066b49dbac385113002fd9dba14Chris Lattner case ISD::CopyFromReg: 108669a52155d2eff066b49dbac385113002fd9dba14Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 10877310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner Result = Op.getValue(0); 1088f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner if (Node->getNumValues() == 2) { 1089c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 10907310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } else { 1091f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner assert(Node->getNumValues() == 3 && "Invalid copyfromreg!"); 1092c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Node->getNumOperands() == 3) { 1093f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(2)); 1094c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1),Tmp2); 1095c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else { 1096c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 1097c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } 10987310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner AddLegalizedOperand(Op.getValue(2), Result.getValue(2)); 10997310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 110013c184de29c09294ed63b01ac43e1b46c049278eChris Lattner // Since CopyFromReg produces two values, make sure to remember that we 110113c184de29c09294ed63b01ac43e1b46c049278eChris Lattner // legalized both of them. 110213c184de29c09294ed63b01ac43e1b46c049278eChris Lattner AddLegalizedOperand(Op.getValue(0), Result); 110313c184de29c09294ed63b01ac43e1b46c049278eChris Lattner AddLegalizedOperand(Op.getValue(1), Result.getValue(1)); 110499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1105fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: { 110683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 1107fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman switch (TLI.getOperationAction(ISD::UNDEF, VT)) { 1108ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman default: assert(0 && "This action is not supported yet!"); 1109ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman case TargetLowering::Expand: 111083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isInteger()) 1111fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Result = DAG.getConstant(0, VT); 111283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (VT.isFloatingPoint()) 111383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Result = DAG.getConstantFP(APFloat(APInt(VT.getSizeInBits(), 0)), 1114f41db2136fe50e1a92aabfcb3ba1ec1f70f5f0d5Dale Johannesen VT); 1115fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman else 1116fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman assert(0 && "Unknown value type!"); 1117fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1118ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman case TargetLowering::Legal: 1119fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1120fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman } 1121fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1122fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman } 1123d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner 112448b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_W_CHAIN: 112548b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_WO_CHAIN: 112648b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_VOID: { 1127475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 1128d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 1129d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 1130f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 113110d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner 113210d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner // Allow the target to custom lower its intrinsics if it wants to. 113348b61a729df6576c8833a83893d4086bddff69a5Chris Lattner if (TLI.getOperationAction(Node->getOpcode(), MVT::Other) == 113410d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner TargetLowering::Custom) { 113510d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1136ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) Result = Tmp3; 113713fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner } 113813fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 1139ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 114013fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 114113fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // Must have return value and chain result. 1142ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 114313fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner "Cannot return more than two values!"); 114413fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 114513fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // Since loads produce two values, make sure to remember that we 114613fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // legalized both of them. 1147475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1148475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 114999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1150d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner } 115136ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 11527f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman case ISD::DBG_STOPPOINT: 11537f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman assert(Node->getNumOperands() == 1 && "Invalid DBG_STOPPOINT node!"); 115436ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the input chain. 115536ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 11567f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman switch (TLI.getOperationAction(ISD::DBG_STOPPOINT, MVT::Other)) { 115736ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner case TargetLowering::Promote: 115836ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner default: assert(0 && "This action is not supported yet!"); 1159f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey case TargetLowering::Expand: { 116044c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey MachineModuleInfo *MMI = DAG.getMachineModuleInfo(); 1161abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey bool useDEBUG_LOC = TLI.isOperationLegal(ISD::DEBUG_LOC, MVT::Other); 11624406604047423576e36657c7ede266ca42e79642Dan Gohman bool useLABEL = TLI.isOperationLegal(ISD::DBG_LABEL, MVT::Other); 1163abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 11647f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman const DbgStopPointSDNode *DSP = cast<DbgStopPointSDNode>(Node); 116544c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey if (MMI && (useDEBUG_LOC || useLABEL)) { 11667f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman const CompileUnitDesc *CompileUnit = DSP->getCompileUnit(); 11677f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned SrcFile = MMI->RecordSource(CompileUnit); 1168abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 11697f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned Line = DSP->getLine(); 11707f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned Col = DSP->getColumn(); 1171abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 1172abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey if (useDEBUG_LOC) { 1173475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Tmp1, DAG.getConstant(Line, MVT::i32), 117471e8685633e7938ee752004cceedccbd0d850527Evan Cheng DAG.getConstant(Col, MVT::i32), 117571e8685633e7938ee752004cceedccbd0d850527Evan Cheng DAG.getConstant(SrcFile, MVT::i32) }; 117671e8685633e7938ee752004cceedccbd0d850527Evan Cheng Result = DAG.getNode(ISD::DEBUG_LOC, MVT::Other, Ops, 4); 1177abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } else { 1178a647c92ec2b3c91e1e6de25cc5c7860912c7626bEvan Cheng unsigned ID = MMI->RecordSourceLine(Line, Col, SrcFile); 11794406604047423576e36657c7ede266ca42e79642Dan Gohman Result = DAG.getLabel(ISD::DBG_LABEL, Tmp1, ID); 1180abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } 1181e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey } else { 1182e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey Result = Tmp1; // chain 1183e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey } 118436ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 1185e773673d8e0094bbff2f9ab2f2da9ecb5c4d0909Chris Lattner } 118671e8685633e7938ee752004cceedccbd0d850527Evan Cheng case TargetLowering::Legal: { 118771e8685633e7938ee752004cceedccbd0d850527Evan Cheng LegalizeAction Action = getTypeAction(Node->getOperand(1).getValueType()); 118871e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal && Tmp1 == Node->getOperand(0)) 118971e8685633e7938ee752004cceedccbd0d850527Evan Cheng break; 119071e8685633e7938ee752004cceedccbd0d850527Evan Cheng 1191475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 119271e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Tmp1); 119371e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal) { 119471e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(1)); // line # must be legal. 119571e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(2)); // col # must be legal. 119671e8685633e7938ee752004cceedccbd0d850527Evan Cheng } else { 119771e8685633e7938ee752004cceedccbd0d850527Evan Cheng // Otherwise promote them. 119871e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(PromoteOp(Node->getOperand(1))); 119971e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(PromoteOp(Node->getOperand(2))); 120036ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner } 120171e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(3)); // filename must be legal. 120271e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(4)); // working dir # must be legal. 120371e8685633e7938ee752004cceedccbd0d850527Evan Cheng Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 120436ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 120536ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner } 120671e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 120736ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 1208a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 1209a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng case ISD::DECLARE: 1210a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng assert(Node->getNumOperands() == 3 && "Invalid DECLARE node!"); 1211a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng switch (TLI.getOperationAction(ISD::DECLARE, MVT::Other)) { 1212a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng default: assert(0 && "This action is not supported yet!"); 1213a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng case TargetLowering::Legal: 1214a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1215a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the address. 1216a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the variable. 1217a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1218a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng break; 1219e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner case TargetLowering::Expand: 1220e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner Result = LegalizeOp(Node->getOperand(0)); 1221e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner break; 1222a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng } 1223a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng break; 1224f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey 1225f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey case ISD::DEBUG_LOC: 1226abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey assert(Node->getNumOperands() == 4 && "Invalid DEBUG_LOC node!"); 1227f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey switch (TLI.getOperationAction(ISD::DEBUG_LOC, MVT::Other)) { 1228f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey default: assert(0 && "This action is not supported yet!"); 122971e8685633e7938ee752004cceedccbd0d850527Evan Cheng case TargetLowering::Legal: { 123071e8685633e7938ee752004cceedccbd0d850527Evan Cheng LegalizeAction Action = getTypeAction(Node->getOperand(1).getValueType()); 1231abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 123271e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal && Tmp1 == Node->getOperand(0)) 123371e8685633e7938ee752004cceedccbd0d850527Evan Cheng break; 123471e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal) { 123571e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp2 = Node->getOperand(1); 123671e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp3 = Node->getOperand(2); 123771e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp4 = Node->getOperand(3); 123871e8685633e7938ee752004cceedccbd0d850527Evan Cheng } else { 123971e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the line #. 124071e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the col #. 124171e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize the source file id. 124271e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 1243c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4); 1244abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey break; 1245abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } 124671e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 1247abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey break; 1248abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 12494406604047423576e36657c7ede266ca42e79642Dan Gohman case ISD::DBG_LABEL: 12504406604047423576e36657c7ede266ca42e79642Dan Gohman case ISD::EH_LABEL: 12514406604047423576e36657c7ede266ca42e79642Dan Gohman assert(Node->getNumOperands() == 1 && "Invalid LABEL node!"); 12524406604047423576e36657c7ede266ca42e79642Dan Gohman switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { 1253abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey default: assert(0 && "This action is not supported yet!"); 1254abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey case TargetLowering::Legal: 1255abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 12564406604047423576e36657c7ede266ca42e79642Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 1257f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey break; 1258a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner case TargetLowering::Expand: 1259a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner Result = LegalizeOp(Node->getOperand(0)); 1260a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner break; 1261f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey } 1262551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman break; 126336ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 126427b7db549e4c5bff4579d209304de5628513edebEvan Cheng case ISD::PREFETCH: 126527b7db549e4c5bff4579d209304de5628513edebEvan Cheng assert(Node->getNumOperands() == 4 && "Invalid Prefetch node!"); 126627b7db549e4c5bff4579d209304de5628513edebEvan Cheng switch (TLI.getOperationAction(ISD::PREFETCH, MVT::Other)) { 126727b7db549e4c5bff4579d209304de5628513edebEvan Cheng default: assert(0 && "This action is not supported yet!"); 126827b7db549e4c5bff4579d209304de5628513edebEvan Cheng case TargetLowering::Legal: 126927b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 127027b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the address. 127127b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the rw specifier. 127227b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize locality specifier. 127327b7db549e4c5bff4579d209304de5628513edebEvan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4); 127427b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 127527b7db549e4c5bff4579d209304de5628513edebEvan Cheng case TargetLowering::Expand: 127627b7db549e4c5bff4579d209304de5628513edebEvan Cheng // It's a noop. 127727b7db549e4c5bff4579d209304de5628513edebEvan Cheng Result = LegalizeOp(Node->getOperand(0)); 127827b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 127927b7db549e4c5bff4579d209304de5628513edebEvan Cheng } 128027b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 128127b7db549e4c5bff4579d209304de5628513edebEvan Cheng 128222c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth case ISD::MEMBARRIER: { 128322c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth assert(Node->getNumOperands() == 6 && "Invalid MemBarrier node!"); 1284d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth switch (TLI.getOperationAction(ISD::MEMBARRIER, MVT::Other)) { 1285d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth default: assert(0 && "This action is not supported yet!"); 1286d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth case TargetLowering::Legal: { 1287475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[6]; 1288d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Ops[0] = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1289e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands for (int x = 1; x < 6; ++x) { 1290e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands Ops[x] = Node->getOperand(x); 1291e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands if (!isTypeLegal(Ops[x].getValueType())) 1292e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands Ops[x] = PromoteOp(Ops[x]); 1293e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands } 1294d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Result = DAG.UpdateNodeOperands(Result, &Ops[0], 6); 1295d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth break; 1296d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth } 1297d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth case TargetLowering::Expand: 1298d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth //There is no libgcc call for this op 1299d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Result = Node->getOperand(0); // Noop 1300d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth break; 1301d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth } 130222c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth break; 130322c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth } 130422c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth 1305e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_8: 1306e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_16: 1307e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_32: 1308e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 130963307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang unsigned int num_operands = 4; 131063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!"); 1311475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[4]; 131263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang for (unsigned int x = 0; x < num_operands; ++x) 131363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Ops[x] = LegalizeOp(Node->getOperand(x)); 131463307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = DAG.UpdateNodeOperands(Result, &Ops[0], num_operands); 131563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang 131663307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 131763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang default: assert(0 && "This action is not supported yet!"); 131863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang case TargetLowering::Custom: 131963307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = TLI.LowerOperation(Result, DAG); 132063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang break; 132163307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang case TargetLowering::Legal: 132263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang break; 132363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang } 1324475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1325475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 132699a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1327126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands } 1328e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_8: 1329e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_8: 1330e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_8: 1331e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_8: 1332e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_8: 1333e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_8: 1334e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_8: 1335e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_8: 1336e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_8: 1337e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_8: 1338e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_8: 1339e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_16: 1340e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_16: 1341e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_16: 1342e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_16: 1343e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_16: 1344e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_16: 1345e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_16: 1346e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_16: 1347e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_16: 1348e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_16: 1349e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_16: 1350e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_32: 1351e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_32: 1352e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_32: 1353e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_32: 1354e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_32: 1355e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_32: 1356e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_32: 1357e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_32: 1358e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_32: 1359e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_32: 1360e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_32: 1361e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 1362e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 1363e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 1364e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 1365e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 1366e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 1367e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_64: 1368e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_64: 1369e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_64: 1370e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_64: 1371e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_64: { 137263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang unsigned int num_operands = 3; 137363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!"); 1374475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[3]; 137563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang for (unsigned int x = 0; x < num_operands; ++x) 137626ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth Ops[x] = LegalizeOp(Node->getOperand(x)); 137763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = DAG.UpdateNodeOperands(Result, &Ops[0], num_operands); 1378126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 137926ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 1380ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth default: assert(0 && "This action is not supported yet!"); 138126ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth case TargetLowering::Custom: 138226ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth Result = TLI.LowerOperation(Result, DAG); 138326ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth break; 138426ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth case TargetLowering::Legal: 1385ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 1386ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 1387475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1388475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 138999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1390126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands } 1391c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel case ISD::Constant: { 1392c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel ConstantSDNode *CN = cast<ConstantSDNode>(Node); 1393c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel unsigned opAction = 1394c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel TLI.getOperationAction(ISD::Constant, CN->getValueType(0)); 1395c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel 13963e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // We know we don't need to expand constants here, constants only have one 13973e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // value and we check that it is fine above. 13983e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1399c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel if (opAction == TargetLowering::Custom) { 1400c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 1401ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) 1402c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel Result = Tmp1; 1403c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel } 14043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 1405c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel } 14063e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ConstantFP: { 14073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // Spill FP immediates to the constant pool if the target cannot directly 14083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // codegen them. Targets often have some immediate values that can be 14093e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // efficiently generated into an FP register without a load. We explicitly 14103e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // leave these constants as ConstantFP nodes for the target to deal with. 14113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node); 14123e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 14133181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner switch (TLI.getOperationAction(ISD::ConstantFP, CFP->getValueType(0))) { 14143181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner default: assert(0 && "This action is not supported yet!"); 1415e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman case TargetLowering::Legal: 1416e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 14173181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner case TargetLowering::Custom: 14183181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1419ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 14203181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner Result = Tmp3; 14213181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner break; 14223181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner } 14233181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner // FALLTHROUGH 1424e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman case TargetLowering::Expand: { 1425e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman // Check to see if this FP immediate is already legal. 1426e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman bool isLegal = false; 1427e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman for (TargetLowering::legal_fpimm_iterator I = TLI.legal_fpimm_begin(), 1428e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman E = TLI.legal_fpimm_end(); I != E; ++I) { 1429e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman if (CFP->isExactlyValue(*I)) { 1430e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman isLegal = true; 1431e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 1432e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 1433e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 1434e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman // If this is a legal constant, turn it into a TargetConstantFP node. 1435e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman if (isLegal) 1436e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 1437279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng Result = ExpandConstantFP(CFP, true, DAG, TLI); 14383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1439e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 14403e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 14413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1442040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner case ISD::TokenFactor: 1443040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner if (Node->getNumOperands() == 2) { 1444c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1445c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1446c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 1447c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else if (Node->getNumOperands() == 3) { 1448c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1449c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1450c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); 1451c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1452040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner } else { 1453475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 1454040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner // Legalize the operands. 1455c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 1456c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 1457f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 1458a385e9b20fa7d37d3842ce15afd412f617d83a27Chris Lattner } 1459a385e9b20fa7d37d3842ce15afd412f617d83a27Chris Lattner break; 1460fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner 1461fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner case ISD::FORMAL_ARGUMENTS: 1462f4ec817299a4187044a6162c2f520772b3ad69a0Chris Lattner case ISD::CALL: 1463fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner // The only option for this is to custom lower it. 1464b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp3 = TLI.LowerOperation(Result.getValue(0), DAG); 1465ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp3.getNode() && "Target didn't custom lower this node!"); 14660ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // A call within a calling sequence must be legalized to something 14670ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // other than the normal CALLSEQ_END. Violating this gets Legalize 14680ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // into an infinite loop. 14690ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen assert ((!IsLegalizingCall || 14700ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen Node->getOpcode() != ISD::CALL || 1471ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp3.getNode()->getOpcode() != ISD::CALLSEQ_END) && 14720ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen "Nested CALLSEQ_START..CALLSEQ_END not supported."); 14730f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 14740f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // The number of incoming and outgoing values should match; unless the final 14750f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // outgoing value is a flag. 1476ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert((Tmp3.getNode()->getNumValues() == Result.getNode()->getNumValues() || 1477ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif (Tmp3.getNode()->getNumValues() == Result.getNode()->getNumValues() + 1 && 1478ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp3.getNode()->getValueType(Tmp3.getNode()->getNumValues() - 1) == 14790f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling MVT::Flag)) && 1480b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner "Lowering call/formal_arguments produced unexpected # results!"); 1481e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner 1482f4ec817299a4187044a6162c2f520772b3ad69a0Chris Lattner // Since CALL/FORMAL_ARGUMENTS nodes produce multiple values, make sure to 1483e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner // remember that we legalized all of them, so it doesn't get relegalized. 1484ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif for (unsigned i = 0, e = Tmp3.getNode()->getNumValues(); i != e; ++i) { 1485ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()->getValueType(i) == MVT::Flag) 14860f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling continue; 1487b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = LegalizeOp(Tmp3.getValue(i)); 148899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif if (Op.getResNo() == i) 1489e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner Tmp2 = Tmp1; 1490475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Tmp1); 1491e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner } 1492e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner return Tmp2; 1493557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb case ISD::EXTRACT_SUBREG: { 1494557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp1 = LegalizeOp(Node->getOperand(0)); 1495557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb ConstantSDNode *idx = dyn_cast<ConstantSDNode>(Node->getOperand(1)); 1496557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb assert(idx && "Operand must be a constant"); 1497f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Tmp2 = DAG.getTargetConstant(idx->getAPIntValue(), idx->getValueType(0)); 1498557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 1499557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb } 1500557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb break; 1501557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb case ISD::INSERT_SUBREG: { 1502557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp1 = LegalizeOp(Node->getOperand(0)); 1503557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp2 = LegalizeOp(Node->getOperand(1)); 1504557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb ConstantSDNode *idx = dyn_cast<ConstantSDNode>(Node->getOperand(2)); 1505557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb assert(idx && "Operand must be a constant"); 1506f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Tmp3 = DAG.getTargetConstant(idx->getAPIntValue(), idx->getValueType(0)); 1507557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1508557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb } 1509557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb break; 1510b2827b0901162169bb2692b77a839c9767849134Chris Lattner case ISD::BUILD_VECTOR: 1511b2827b0901162169bb2692b77a839c9767849134Chris Lattner switch (TLI.getOperationAction(ISD::BUILD_VECTOR, Node->getValueType(0))) { 15122332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: assert(0 && "This action is not supported yet!"); 15132332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Custom: 15142332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1515ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 15162332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Result = Tmp3; 15172332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15182332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15192332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner // FALLTHROUGH 1520ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case TargetLowering::Expand: 1521ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandBUILD_VECTOR(Result.getNode()); 1522b2827b0901162169bb2692b77a839c9767849134Chris Lattner break; 15232332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15242332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15252332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case ISD::INSERT_VECTOR_ELT: 15262332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // InVec 15272332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // InEltNo 15280325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15290325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // The type of the value to insert may not be legal, even though the vector 15300325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // type is legal. Legalize/Promote accordingly. We do not handle Expand 15310325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // here. 15320325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 15330325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman default: assert(0 && "Cannot expand insert element operand"); 15340325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman case Legal: Tmp2 = LegalizeOp(Node->getOperand(1)); break; 15350325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); break; 15360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Expand: 15370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // FIXME: An alternative would be to check to see if the target is not 15380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // going to custom lower this operation, we could bitcast to half elt 15390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // width and perform two inserts at that width, if that is legal. 15400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp2 = Node->getOperand(1); 15410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 15420325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman } 15432332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 15442332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner 15452332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner switch (TLI.getOperationAction(ISD::INSERT_VECTOR_ELT, 15462332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Node->getValueType(0))) { 15472332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: assert(0 && "This action is not supported yet!"); 15482332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Legal: 15492332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15502332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Custom: 15512281a991414f681c482157265461b29a923ef620Nate Begeman Tmp4 = TLI.LowerOperation(Result, DAG); 1552ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) { 15532281a991414f681c482157265461b29a923ef620Nate Begeman Result = Tmp4; 15542332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15552332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15562332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner // FALLTHROUGH 15570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 15580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Fall thru for vector case 15592332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Expand: { 15608d5a894501b7546dee94df03118b90126c420820Chris Lattner // If the insert index is a constant, codegen this as a scalar_to_vector, 15618d5a894501b7546dee94df03118b90126c420820Chris Lattner // then a shuffle that inserts it into the right position in the vector. 15628d5a894501b7546dee94df03118b90126c420820Chris Lattner if (ConstantSDNode *InsertPos = dyn_cast<ConstantSDNode>(Tmp3)) { 15630325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // SCALAR_TO_VECTOR requires that the type of the value being inserted 15640325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // match the element type of the vector being created. 15650325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman if (Tmp2.getValueType() == 156683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Op.getValueType().getVectorElementType()) { 1567475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScVec = DAG.getNode(ISD::SCALAR_TO_VECTOR, 15680325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Tmp1.getValueType(), Tmp2); 15690325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 157083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElts = Tmp1.getValueType().getVectorNumElements(); 157183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShufMaskVT = 157283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT::getIntVectorWithNumElements(NumElts); 157383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShufMaskEltVT = ShufMaskVT.getVectorElementType(); 15740325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15750325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // We generate a shuffle of InVec and ScVec, so the shuffle mask 15760325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // should be 0,1,2,3,4,5... with the appropriate element replaced with 15770325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // elt 0 of the RHS. 1578475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> ShufOps; 15790325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman for (unsigned i = 0; i != NumElts; ++i) { 1580f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (i != InsertPos->getZExtValue()) 15810325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman ShufOps.push_back(DAG.getConstant(i, ShufMaskEltVT)); 15820325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman else 15830325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman ShufOps.push_back(DAG.getConstant(NumElts, ShufMaskEltVT)); 15840325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman } 1585475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShufMask = DAG.getNode(ISD::BUILD_VECTOR, ShufMaskVT, 15860325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman &ShufOps[0], ShufOps.size()); 15870325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15880325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Result = DAG.getNode(ISD::VECTOR_SHUFFLE, Tmp1.getValueType(), 15890325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Tmp1, ScVec, ShufMask); 15900325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Result = LegalizeOp(Result); 15910325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman break; 15928d5a894501b7546dee94df03118b90126c420820Chris Lattner } 15938d5a894501b7546dee94df03118b90126c420820Chris Lattner } 15946867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Result = PerformInsertVectorEltInMemory(Tmp1, Tmp2, Tmp3); 15952332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15962332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15972332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15982332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 1599ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case ISD::SCALAR_TO_VECTOR: 16004352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (!TLI.isTypeLegal(Node->getOperand(0).getValueType())) { 16014352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = LegalizeOp(ExpandSCALAR_TO_VECTOR(Node)); 16024352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16034352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 16044352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 1605ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // InVal 1606ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 1607ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner switch (TLI.getOperationAction(ISD::SCALAR_TO_VECTOR, 1608ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Node->getValueType(0))) { 1609ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner default: assert(0 && "This action is not supported yet!"); 1610ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case TargetLowering::Legal: 1611ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 16124d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner case TargetLowering::Custom: 16134d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1614ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 16154d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner Result = Tmp3; 16164d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner break; 16174d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner } 16184d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner // FALLTHROUGH 16194352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Expand: 16204352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = LegalizeOp(ExpandSCALAR_TO_VECTOR(Node)); 1621ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 1622ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 1623ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 162487100e0b83b808757bf44dabecd1d1048255d1adChris Lattner case ISD::VECTOR_SHUFFLE: 162587100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the input vectors, 162687100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // but not the shuffle mask. 162787100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 162887100e0b83b808757bf44dabecd1d1048255d1adChris Lattner 162987100e0b83b808757bf44dabecd1d1048255d1adChris Lattner // Allow targets to custom lower the SHUFFLEs they support. 16304352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner switch (TLI.getOperationAction(ISD::VECTOR_SHUFFLE,Result.getValueType())) { 16314352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner default: assert(0 && "Unknown operation action!"); 16324352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Legal: 16334352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner assert(isShuffleLegal(Result.getValueType(), Node->getOperand(2)) && 16344352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner "vector shuffle should not be created if not legal!"); 16354352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16364352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Custom: 163718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Tmp3 = TLI.LowerOperation(Result, DAG); 1638ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 163918dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Result = Tmp3; 164018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng break; 164118dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 164218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng // FALLTHROUGH 164318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng case TargetLowering::Expand: { 164483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 164583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 164683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 1647475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = Node->getOperand(2); 164818dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng unsigned NumElems = Mask.getNumOperands(); 1649475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue,8> Ops; 165018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng for (unsigned i = 0; i != NumElems; ++i) { 1651475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Arg = Mask.getOperand(i); 165218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng if (Arg.getOpcode() == ISD::UNDEF) { 165318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); 165418dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } else { 165518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng assert(isa<ConstantSDNode>(Arg) && "Invalid VECTOR_SHUFFLE mask!"); 1656f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(Arg)->getZExtValue(); 165718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng if (Idx < NumElems) 165818dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, Tmp1, 165918dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng DAG.getConstant(Idx, PtrVT))); 166018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng else 166118dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, Tmp2, 166218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng DAG.getConstant(Idx - NumElems, PtrVT))); 166318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 166418dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 1665bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner Result = DAG.getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size()); 16664352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 166718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 16684352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Promote: { 16694352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Change base type to a different vector type. 167083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getValueType(0); 167183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 16724352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 16734352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Cast the two input vectors. 16744352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); 16754352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); 16764352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 16774352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Convert the shuffle mask to the right # elements. 1678475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp3 = SDValue(isShuffleLegal(OVT, Node->getOperand(2)), 0); 1679ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp3.getNode() && "Shuffle not legal?"); 16804352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = DAG.getNode(ISD::VECTOR_SHUFFLE, NVT, Tmp1, Tmp2, Tmp3); 16814352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); 16824352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16834352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 168487100e0b83b808757bf44dabecd1d1048255d1adChris Lattner } 168587100e0b83b808757bf44dabecd1d1048255d1adChris Lattner break; 1686384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner 1687384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner case ISD::EXTRACT_VECTOR_ELT: 16887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp1 = Node->getOperand(0); 1689384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1690384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 16917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ExpandEXTRACT_VECTOR_ELT(Result); 1692384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner break; 1693384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner 16947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 16957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp1 = Node->getOperand(0); 16967f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Node->getOperand(1)); 16977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 16987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ExpandEXTRACT_SUBVECTOR(Result); 16996595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 17006595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 17010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CONCAT_VECTORS: { 17020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Use extract/insert/build vector for now. We might try to be 17030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // more clever later. 17040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT PtrVT = TLI.getPointerTy(); 17050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SmallVector<SDValue, 8> Ops; 17060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumOperands = Node->getNumOperands(); 17070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i=0; i < NumOperands; ++i) { 17080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue SubOp = Node->getOperand(i); 17090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = SubOp.getNode()->getValueType(0); 17100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EltVT = VVT.getVectorElementType(); 17110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumSubElem = VVT.getVectorNumElements(); 17120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned j=0; j < NumSubElem; ++j) { 17130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, SubOp, 17140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getConstant(j, PtrVT))); 17150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 17160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 17170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return LegalizeOp(DAG.getNode(ISD::BUILD_VECTOR, Node->getValueType(0), 17180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &Ops[0], Ops.size())); 17190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 17200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 17216831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case ISD::CALLSEQ_START: { 17226831a815999dde4cf801e2076e66b4943964daf2Chris Lattner SDNode *CallEnd = FindCallEndFromCallStart(Node); 17236831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Recursively Legalize all of the inputs of the call end that do not lead 17256831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // to this call start. This ensures that any libcalls that need be inserted 17266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // are inserted *before* the CALLSEQ_START. 172700755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner {SmallPtrSet<SDNode*, 32> NodesLeadingTo; 17286831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = CallEnd->getNumOperands(); i != e; ++i) 1729ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LegalizeAllNodesNotLeadingTo(CallEnd->getOperand(i).getNode(), Node, 1730c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner NodesLeadingTo); 1731c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner } 17326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Now that we legalized all of the inputs (which may have inserted 17346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // libcalls) create the new CALLSEQ_START node. 17356831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 17366831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17376831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Merge in the last call, to ensure that this call start after the last 17386831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // call ended. 1739c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner if (LastCALLSEQ_END.getOpcode() != ISD::EntryToken) { 1740b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 1741b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = LegalizeOp(Tmp1); 1742b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner } 17436831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17446831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Do not try to legalize the target-specific arguments (#1+). 17456831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Tmp1 != Node->getOperand(0)) { 1746475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 17476831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Ops[0] = Tmp1; 1748f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 17496831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 17506831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17516831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Remember that the CALLSEQ_START is legalized. 17524b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner AddLegalizedOperand(Op.getValue(0), Result); 17534b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner if (Node->getNumValues() == 2) // If this has a flag result, remember it. 17544b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner AddLegalizedOperand(Op.getValue(1), Result.getValue(1)); 17554b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner 17566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Now that the callseq_start and all of the non-call nodes above this call 17576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // sequence have been legalized, legalize the call itself. During this 17586831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // process, no libcalls can/will be inserted, guaranteeing that no calls 17596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // can overlap. 17606831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "Inconsistent sequentialization of calls!"); 17616831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Note that we are selecting this call! 1762475871a144eb604ddaf37503397ba0941442e5fbDan Gohman LastCALLSEQ_END = SDValue(CallEnd, 0); 17636831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = true; 17646831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17656831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalize the call, starting from the CALLSEQ_END. 17666831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LegalizeOp(LastCALLSEQ_END); 17676831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "CALLSEQ_END should have cleared this!"); 17686831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Result; 17696831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 177016cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner case ISD::CALLSEQ_END: 17716831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // If the CALLSEQ_START node hasn't been legalized first, legalize it. This 17726831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // will cause this node to be legalized as well as handling libcalls right. 1773ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (LastCALLSEQ_END.getNode() != Node) { 1774475871a144eb604ddaf37503397ba0941442e5fbDan Gohman LegalizeOp(SDValue(FindCallStartFromCallEnd(Node), 0)); 1775475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = LegalizedNodes.find(Op); 17766831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(I != LegalizedNodes.end() && 17776831a815999dde4cf801e2076e66b4943964daf2Chris Lattner "Legalizing the call start should have legalized this node!"); 17786831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return I->second; 17796831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 17806831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, the call start has been legalized and everything is going 17826831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // according to plan. Just legalize ourselves normally here. 17833e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 178470814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner // Do not try to legalize the target-specific arguments (#1+), except for 178570814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner // an optional flag input. 178670814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Node->getOperand(Node->getNumOperands()-1).getValueType() != MVT::Flag){ 178770814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Tmp1 != Node->getOperand(0)) { 1788475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 178970814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops[0] = Tmp1; 1790f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 179170814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } 179270814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } else { 179370814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Tmp2 = LegalizeOp(Node->getOperand(Node->getNumOperands()-1)); 179470814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Tmp1 != Node->getOperand(0) || 179570814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Tmp2 != Node->getOperand(Node->getNumOperands()-1)) { 1796475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 179770814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops[0] = Tmp1; 179870814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops.back() = Tmp2; 1799f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 180070814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } 18016a5428934ba6159c1acc541944332e51a6cfa59aChris Lattner } 18024b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner assert(IsLegalizingCall && "Call sequence imbalance between start/end?"); 18036831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // This finishes up call legalization. 18046831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = false; 18054b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner 18064b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner // If the CALLSEQ_END node has a flag, remember that we legalized it. 1807475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 18084b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner if (Node->getNumValues() == 2) 1809475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 181099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1811a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng case ISD::DYNAMIC_STACKALLOC: { 181283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 1813fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1814fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the size. 1815fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the alignment. 1816c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1817fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner 1818c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = Result.getValue(0); 18195f652295c27826f26547cf5eb4096a59d86b56b8Chris Lattner Tmp2 = Result.getValue(1); 182061bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 1821a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng default: assert(0 && "This action is not supported yet!"); 1822903d278a9b7398d8905c90832e587e0556c52789Chris Lattner case TargetLowering::Expand: { 1823903d278a9b7398d8905c90832e587e0556c52789Chris Lattner unsigned SPReg = TLI.getStackPointerRegisterToSaveRestore(); 1824903d278a9b7398d8905c90832e587e0556c52789Chris Lattner assert(SPReg && "Target cannot require DYNAMIC_STACKALLOC expansion and" 1825903d278a9b7398d8905c90832e587e0556c52789Chris Lattner " not tell us which reg is the stack pointer!"); 1826475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = Tmp1.getOperand(0); 18270f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 18280f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // Chain the dynamic stack allocation so that it doesn't modify the stack 18290f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // pointer when other instructions are using the stack. 1830e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(0, true)); 18310f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1832475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Size = Tmp2.getOperand(1); 1833475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SP = DAG.getCopyFromReg(Chain, SPReg, VT); 183461bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng Chain = SP.getValue(1); 1835f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Align = cast<ConstantSDNode>(Tmp3)->getZExtValue(); 183661bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng unsigned StackAlign = 183761bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng TLI.getTargetMachine().getFrameInfo()->getStackAlignment(); 183861bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng if (Align > StackAlign) 18393e20bba5eb5df2fdd3e6655c8470084cf05032d4Evan Cheng SP = DAG.getNode(ISD::AND, VT, SP, 18403e20bba5eb5df2fdd3e6655c8470084cf05032d4Evan Cheng DAG.getConstant(-(uint64_t)Align, VT)); 184161bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng Tmp1 = DAG.getNode(ISD::SUB, VT, SP, Size); // Value 18420f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Chain = DAG.getCopyToReg(Chain, SPReg, Tmp1); // Output chain 18430f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1844e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner Tmp2 = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(0, true), 1845e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner DAG.getIntPtrConstant(0, true), SDValue()); 18460f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1847c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp1); 1848c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp2); 1849903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1850903d278a9b7398d8905c90832e587e0556c52789Chris Lattner } 1851903d278a9b7398d8905c90832e587e0556c52789Chris Lattner case TargetLowering::Custom: 18525f652295c27826f26547cf5eb4096a59d86b56b8Chris Lattner Tmp3 = TLI.LowerOperation(Tmp1, DAG); 1853ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 1854c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp3); 1855c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp3.getValue(1)); 1856a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 1857903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1858a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng case TargetLowering::Legal: 1859903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1860a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 1861903d278a9b7398d8905c90832e587e0556c52789Chris Lattner // Since this op produce two values, make sure to remember that we 1862903d278a9b7398d8905c90832e587e0556c52789Chris Lattner // legalized both of them. 1863475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 1864475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 186599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 1866a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 186725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner case ISD::INLINEASM: { 1868475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 186925a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner bool Changed = false; 187025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // Legalize all of the operands of the inline asm, in case they are nodes 187125a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // that need to be expanded or something. Note we skip the asm string and 187225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // all of the TargetConstant flags. 1873475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = LegalizeOp(Ops[0]); 187425a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed = Op != Ops[0]; 187525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops[0] = Op; 187625a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner 187725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner bool HasInFlag = Ops.back().getValueType() == MVT::Flag; 187825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner for (unsigned i = 2, e = Ops.size()-HasInFlag; i < e; ) { 1879f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned NumVals = cast<ConstantSDNode>(Ops[i])->getZExtValue() >> 3; 188025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner for (++i; NumVals; ++i, --NumVals) { 1881475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = LegalizeOp(Ops[i]); 188225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (Op != Ops[i]) { 188325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed = true; 188425a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops[i] = Op; 188525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 188625a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 188725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 188825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner 188925a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (HasInFlag) { 189025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Op = LegalizeOp(Ops.back()); 189125a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed |= Op != Ops.back(); 189225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops.back() = Op; 189325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 1894ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner 189525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (Changed) 1896f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 1897ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner 1898ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner // INLINE asm returns a chain and flag, make sure to add both to the map. 1899475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1900475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 190199a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 190225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 1903c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner case ISD::BR: 1904c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a branch. 19066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19076831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 19086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 19096831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 1910c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 1911c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner break; 191237efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::BRIND: 191337efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 191437efe6764568a3829fee26aba532283131d1a104Nate Begeman // Ensure that libcalls are emitted before a branch. 191537efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 191637efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = LegalizeOp(Tmp1); 191737efe6764568a3829fee26aba532283131d1a104Nate Begeman LastCALLSEQ_END = DAG.getEntryNode(); 191837efe6764568a3829fee26aba532283131d1a104Nate Begeman 191937efe6764568a3829fee26aba532283131d1a104Nate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 192037efe6764568a3829fee26aba532283131d1a104Nate Begeman default: assert(0 && "Indirect target must be legal type (pointer)!"); 192137efe6764568a3829fee26aba532283131d1a104Nate Begeman case Legal: 192237efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. 192337efe6764568a3829fee26aba532283131d1a104Nate Begeman break; 192437efe6764568a3829fee26aba532283131d1a104Nate Begeman } 192537efe6764568a3829fee26aba532283131d1a104Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 192637efe6764568a3829fee26aba532283131d1a104Nate Begeman break; 19273d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case ISD::BR_JT: 19283d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19293d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // Ensure that libcalls are emitted before a branch. 19303d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19313d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = LegalizeOp(Tmp1); 19323d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng LastCALLSEQ_END = DAG.getEntryNode(); 19333d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 19343d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the jumptable node. 19353d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 19363d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 19373d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng switch (TLI.getOperationAction(ISD::BR_JT, MVT::Other)) { 19383d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng default: assert(0 && "This action is not supported yet!"); 19393d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Legal: break; 19403d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Custom: 19413d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 1942ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 19433d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng break; 19443d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Expand: { 1945475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = Result.getOperand(0); 1946475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Table = Result.getOperand(1); 1947475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Index = Result.getOperand(2); 19483d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 194983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PTy = TLI.getPointerTy(); 1950acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey MachineFunction &MF = DAG.getMachineFunction(); 1951acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey unsigned EntrySize = MF.getJumpTableInfo()->getEntrySize(); 19523d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Index= DAG.getNode(ISD::MUL, PTy, Index, DAG.getConstant(EntrySize, PTy)); 1953475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Addr = DAG.getNode(ISD::ADD, PTy, Index, Table); 1954acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 1955475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LD; 1956acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey switch (EntrySize) { 1957acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey default: assert(0 && "Size of jump table not supported yet."); break; 195869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr, 19593069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getJumpTable(), 0); break; 196069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, 19613069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getJumpTable(), 0); break; 1962acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey } 1963acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 1964cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = LD; 1965acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey if (TLI.getTargetMachine().getRelocationModel() == Reloc::PIC_) { 19663d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // For PIC, the sequence is: 19673d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // BRIND(load(Jumptable + index) + RelocBase) 1968cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng // RelocBase can be JumpTable, GOT or some sort of global base. 1969cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng if (PTy != MVT::i32) 1970cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = DAG.getNode(ISD::SIGN_EXTEND, PTy, Addr); 1971cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = DAG.getNode(ISD::ADD, PTy, Addr, 1972cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng TLI.getPICJumpTableRelocBase(Table, DAG)); 19733d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 1974cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Result = DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), Addr); 19753d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 19763d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 19773d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng break; 1978c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner case ISD::BRCOND: 1979c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19806831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a return. 19816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19826831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 19836831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 19846831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 198547e9223e06390897c3834f8c527001df392570ffChris Lattner switch (getTypeAction(Node->getOperand(1).getValueType())) { 198647e9223e06390897c3834f8c527001df392570ffChris Lattner case Expand: assert(0 && "It's impossible to expand bools"); 198747e9223e06390897c3834f8c527001df392570ffChris Lattner case Legal: 198847e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. 198947e9223e06390897c3834f8c527001df392570ffChris Lattner break; 19902e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman case Promote: { 199147e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the condition. 1992f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner 1993f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner // The top bits of the promoted condition are not necessarily zero, ensure 1994f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner // that the value is properly zero extended. 19952e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned BitWidth = Tmp2.getValueSizeInBits(); 1996ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman if (!DAG.MaskedValueIsZero(Tmp2, 19972e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman APInt::getHighBitsSet(BitWidth, BitWidth-1))) 1998f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner Tmp2 = DAG.getZeroExtendInReg(Tmp2, MVT::i1); 199947e9223e06390897c3834f8c527001df392570ffChris Lattner break; 200047e9223e06390897c3834f8c527001df392570ffChris Lattner } 20012e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman } 2002456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2003456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Basic block destination (Op#2) is always legal. 2004c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 20057cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 20067cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman switch (TLI.getOperationAction(ISD::BRCOND, MVT::Other)) { 20077cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman default: assert(0 && "This action is not supported yet!"); 2008456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2009456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2010456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2011ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2012456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 20137cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman case TargetLowering::Expand: 20147cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // Expand brcond's setcc into its constituent parts and create a BR_CC 20157cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // Node. 20167cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman if (Tmp2.getOpcode() == ISD::SETCC) { 20177cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Result = DAG.getNode(ISD::BR_CC, MVT::Other, Tmp1, Tmp2.getOperand(2), 20187cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Tmp2.getOperand(0), Tmp2.getOperand(1), 20197cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Node->getOperand(2)); 20207cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } else { 20217cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Result = DAG.getNode(ISD::BR_CC, MVT::Other, Tmp1, 20227cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman DAG.getCondCode(ISD::SETNE), Tmp2, 20237cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman DAG.getConstant(0, Tmp2.getValueType()), 20247cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Node->getOperand(2)); 20257cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 20267cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman break; 20277cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 20287cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman break; 20297cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman case ISD::BR_CC: 20307cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 20316831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a branch. 20326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 20336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 2034750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(2); // LHS 2035750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = Node->getOperand(3); // RHS 2036750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp4 = Node->getOperand(1); // CC 2037181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner 203853e4e4478c69c2c2115db833b54385117c764d14Dale Johannesen LegalizeSetCC(TLI.getSetCCResultType(Tmp2), Tmp2, Tmp3, Tmp4); 2039722cb360690e5d7742b01a9f497fdb65bf8079d5Evan Cheng LastCALLSEQ_END = DAG.getEntryNode(); 2040722cb360690e5d7742b01a9f497fdb65bf8079d5Evan Cheng 20417f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // If we didn't get both a LHS and RHS back from LegalizeSetCC, 2042750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the LHS is a legal SETCC itself. In this case, we need to compare 2043750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the result against zero to select between true and false values. 2044ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode() == 0) { 2045750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = DAG.getConstant(0, Tmp2.getValueType()); 2046750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp4 = DAG.getCondCode(ISD::SETNE); 2047750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 2048750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2049750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp4, Tmp2, Tmp3, 2050750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Node->getOperand(4)); 2051456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2052181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner switch (TLI.getOperationAction(ISD::BR_CC, Tmp3.getValueType())) { 2053181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner default: assert(0 && "Unexpected action for BR_CC!"); 2054456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2055456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2056456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp4 = TLI.LowerOperation(Result, DAG); 2057ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) Result = Tmp4; 2058181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner break; 20597cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 2060c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner break; 2061f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng case ISD::LOAD: { 2062466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 2063466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = LegalizeOp(LD->getChain()); // Legalize the chain. 2064466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp2 = LegalizeOp(LD->getBasePtr()); // Legalize the base pointer. 20652d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 2066466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng ISD::LoadExtType ExtType = LD->getExtensionType(); 2067466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::NON_EXTLOAD) { 206883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 2069466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, LD->getOffset()); 2070466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = Result.getValue(0); 2071466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp4 = Result.getValue(1); 2072456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2073466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 2074466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng default: assert(0 && "This action is not supported yet!"); 2075f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio case TargetLowering::Legal: 2076f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If this is an unaligned load and the target doesn't support it, 2077f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // expand it. 2078f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (!TLI.allowsUnalignedMemoryAccesses()) { 2079f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio unsigned ABIAlignment = TLI.getTargetData()-> 208083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(LD->getMemoryVT().getTypeForMVT()); 2081f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (LD->getAlignment() < ABIAlignment){ 2082ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG, 2083f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio TLI); 2084f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Tmp3 = Result.getOperand(0); 2085f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Tmp4 = Result.getOperand(1); 2086907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Tmp3 = LegalizeOp(Tmp3); 2087907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Tmp4 = LegalizeOp(Tmp4); 2088f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2089f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2090f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio break; 2091466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case TargetLowering::Custom: 2092466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = TLI.LowerOperation(Tmp3, DAG); 2093ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 2094466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = LegalizeOp(Tmp1); 2095466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp4 = LegalizeOp(Tmp1.getValue(1)); 2096466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 2097466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2098466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case TargetLowering::Promote: { 2099466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Only promote a load of vector type to another. 210083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isVector() && "Cannot promote this load!"); 2101466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Change base type to a different vector type. 210283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), VT); 2103466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 2104466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = DAG.getLoad(NVT, Tmp1, Tmp2, LD->getSrcValue(), 2105d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->getSrcValueOffset(), 2106d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->isVolatile(), LD->getAlignment()); 2107466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = LegalizeOp(DAG.getNode(ISD::BIT_CONVERT, VT, Tmp1)); 210841f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng Tmp4 = LegalizeOp(Tmp1.getValue(1)); 2109466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2110f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 2111466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 2112466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Since loads produce two values, make sure to remember that we 2113466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // legalized both of them. 2114475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp3); 2115475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp4); 211699a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp4 : Tmp3; 2117466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else { 211883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = LD->getMemoryVT(); 211983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SrcWidth = SrcVT.getSizeInBits(); 2120f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands int SVOffset = LD->getSrcValueOffset(); 2121f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned Alignment = LD->getAlignment(); 2122f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands bool isVolatile = LD->isVolatile(); 2123f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 212483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (SrcWidth != SrcVT.getStoreSizeInBits() && 2125f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Some targets pretend to have an i1 loading operation, and actually 2126f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // load an i8. This trick is correct for ZEXTLOAD because the top 7 2127f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // bits are guaranteed to be zero; it helps the optimizers understand 2128f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // that these bits are zero. It is also useful for EXTLOAD, since it 2129f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // tells the optimizers that those bits are undefined. It would be 2130f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // nice to have an effective generic way of getting these benefits... 2131f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Until such a way is found, don't insist on promoting i1 here. 2132f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands (SrcVT != MVT::i1 || 21330329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng TLI.getLoadExtAction(ExtType, MVT::i1) == TargetLowering::Promote)) { 2134f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Promote to a byte-sized load if not loading an integral number of 2135f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // bytes. For example, promote EXTLOAD:i20 -> EXTLOAD:i24. 213683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NewWidth = SrcVT.getStoreSizeInBits(); 213783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = MVT::getIntegerVT(NewWidth); 2138475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch; 2139f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2140f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // The extra bits are guaranteed to be zero, since we stored them that 2141f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // way. A zext load from NVT thus automatically gives zext from SrcVT. 2142f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2143f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ISD::LoadExtType NewExtType = 2144f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtType == ISD::ZEXTLOAD ? ISD::ZEXTLOAD : ISD::EXTLOAD; 2145f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2146f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getExtLoad(NewExtType, Node->getValueType(0), 2147f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1, Tmp2, LD->getSrcValue(), SVOffset, 2148f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands NVT, isVolatile, Alignment); 2149f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2150f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = Result.getValue(1); // The chain. 2151f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2152f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (ExtType == ISD::SEXTLOAD) 2153f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Having the top bits zero doesn't help when sign extending. 2154f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 2155f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result, DAG.getValueType(SrcVT)); 2156f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands else if (ExtType == ISD::ZEXTLOAD || NVT == Result.getValueType()) 2157f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // All the top bits are guaranteed to be zero - inform the optimizers. 2158f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::AssertZext, Result.getValueType(), Result, 2159f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getValueType(SrcVT)); 2160f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2161f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); 2162f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Ch); 2163f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else if (SrcWidth & (SrcWidth - 1)) { 2164f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // If not loading a power-of-2 number of bits, expand as two loads. 216583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(SrcVT.isExtended() && !SrcVT.isVector() && 2166f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands "Unsupported extload!"); 2167f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned RoundWidth = 1 << Log2_32(SrcWidth); 2168f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(RoundWidth < SrcWidth); 2169f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned ExtraWidth = SrcWidth - RoundWidth; 2170f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(ExtraWidth < RoundWidth); 2171f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(!(RoundWidth % 8) && !(ExtraWidth % 8) && 2172f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands "Load size not an integral number of bytes!"); 217383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT RoundVT = MVT::getIntegerVT(RoundWidth); 217483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = MVT::getIntegerVT(ExtraWidth); 2175475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi, Ch; 2176f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned IncrementSize; 2177f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2178f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (TLI.isLittleEndian()) { 2179f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // EXTLOAD:i24 -> ZEXTLOAD:i16 | (shl EXTLOAD@+2:i8, 16) 2180f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the bottom RoundWidth bits. 2181f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Lo = DAG.getExtLoad(ISD::ZEXTLOAD, Node->getValueType(0), Tmp1, Tmp2, 2182f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset, RoundVT, isVolatile, 2183f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Alignment); 2184f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2185f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the remaining ExtraWidth bits. 2186f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands IncrementSize = RoundWidth / 8; 2187f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 2188f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getIntPtrConstant(IncrementSize)); 2189f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getExtLoad(ExtType, Node->getValueType(0), Tmp1, Tmp2, 2190f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset + IncrementSize, 2191f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtraVT, isVolatile, 2192f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands MinAlign(Alignment, IncrementSize)); 2193f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2194f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Build a factor node to remember that this load is independent of the 2195f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // other one. 2196f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 2197f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi.getValue(1)); 2198f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2199f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Move the top bits to the right place. 2200f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getNode(ISD::SHL, Hi.getValueType(), Hi, 2201f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getConstant(RoundWidth, TLI.getShiftAmountTy())); 2202f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2203f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Join the hi and lo parts. 2204f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::OR, Node->getValueType(0), Lo, Hi); 2205f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } else { 2206f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Big endian - avoid unaligned loads. 2207f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // EXTLOAD:i24 -> (shl EXTLOAD:i16, 8) | ZEXTLOAD@+2:i8 2208f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the top RoundWidth bits. 2209f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getExtLoad(ExtType, Node->getValueType(0), Tmp1, Tmp2, 2210f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset, RoundVT, isVolatile, 2211f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Alignment); 2212f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2213f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the remaining ExtraWidth bits. 2214f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands IncrementSize = RoundWidth / 8; 2215f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 2216f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getIntPtrConstant(IncrementSize)); 2217f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Lo = DAG.getExtLoad(ISD::ZEXTLOAD, Node->getValueType(0), Tmp1, Tmp2, 2218f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset + IncrementSize, 2219f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtraVT, isVolatile, 2220f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands MinAlign(Alignment, IncrementSize)); 2221f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2222f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Build a factor node to remember that this load is independent of the 2223f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // other one. 2224f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 2225f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi.getValue(1)); 2226f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2227f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Move the top bits to the right place. 2228f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getNode(ISD::SHL, Hi.getValueType(), Hi, 2229f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy())); 2230f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2231f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Join the hi and lo parts. 2232f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::OR, Node->getValueType(0), Lo, Hi); 2233f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2234f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2235f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); 2236f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Ch); 2237f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else { 22380329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng switch (TLI.getLoadExtAction(ExtType, SrcVT)) { 2239f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands default: assert(0 && "This action is not supported yet!"); 2240f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Custom: 2241f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands isCustom = true; 2242f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // FALLTHROUGH 2243f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Legal: 2244f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, LD->getOffset()); 2245f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = Result.getValue(0); 2246f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = Result.getValue(1); 2247f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2248f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (isCustom) { 2249f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp3 = TLI.LowerOperation(Result, DAG); 2250ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 2251f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Tmp3); 2252f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Tmp3.getValue(1)); 2253f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2254f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else { 2255f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // If this is an unaligned load and the target doesn't support it, 2256f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // expand it. 2257f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (!TLI.allowsUnalignedMemoryAccesses()) { 2258f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned ABIAlignment = TLI.getTargetData()-> 225983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(LD->getMemoryVT().getTypeForMVT()); 2260f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (LD->getAlignment() < ABIAlignment){ 2261ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG, 2262f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands TLI); 2263f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = Result.getOperand(0); 2264f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = Result.getOperand(1); 2265f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Tmp1); 2266f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Tmp2); 2267f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2268f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2269f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2270f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands break; 2271f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Expand: 2272f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // f64 = EXTLOAD f32 should expand to LOAD, FP_EXTEND 2273f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (SrcVT == MVT::f32 && Node->getValueType(0) == MVT::f64) { 2274475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Load = DAG.getLoad(SrcVT, Tmp1, Tmp2, LD->getSrcValue(), 2275f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValueOffset(), 2276f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->isVolatile(), LD->getAlignment()); 2277f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::FP_EXTEND, Node->getValueType(0), Load); 2278f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); // Relegalize new nodes. 2279f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Load.getValue(1)); 2280f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands break; 2281f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2282f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(ExtType != ISD::EXTLOAD &&"EXTLOAD should always be supported!"); 2283f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Turn the unsupported load into an EXTLOAD followed by an explicit 2284f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // zero/sign extend inreg. 2285f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getExtLoad(ISD::EXTLOAD, Node->getValueType(0), 2286f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1, Tmp2, LD->getSrcValue(), 2287f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValueOffset(), SrcVT, 2288f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->isVolatile(), LD->getAlignment()); 2289475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ValRes; 2290f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (ExtType == ISD::SEXTLOAD) 2291f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ValRes = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 2292f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result, DAG.getValueType(SrcVT)); 2293f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands else 2294f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ValRes = DAG.getZeroExtendInReg(Result, SrcVT); 2295f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(ValRes); // Relegalize new nodes. 2296f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); // Relegalize new nodes. 2297466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2298466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 22999d416f713e8b9e4f0c0c2b3f6f57ce2dd8993209Andrew Lenharth } 2300f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2301466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Since loads produce two values, make sure to remember that we legalized 2302466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // both of them. 2303475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2304475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 230599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 230601ff7216dd7829d4094754086baf28aa2d7149acChris Lattner } 230701ff7216dd7829d4094754086baf28aa2d7149acChris Lattner } 23085dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case ISD::EXTRACT_ELEMENT: { 230983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OpTy = Node->getOperand(0).getValueType(); 23105dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman switch (getTypeAction(OpTy)) { 2311c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner default: assert(0 && "EXTRACT_ELEMENT action for type unimplemented!"); 23125dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case Legal: 2313f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) { 23145dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // 1 -> Hi 23155dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::SRL, OpTy, Node->getOperand(0), 231683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(OpTy.getSizeInBits()/2, 23175dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman TLI.getShiftAmountTy())); 23185dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), Result); 23195dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } else { 23205dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // 0 -> Lo 23215dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), 23225dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Node->getOperand(0)); 23235dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23245dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman break; 23255dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case Expand: 23265dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // Get both the low and high parts. 23275dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 2328f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) 23295dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = Tmp2; // 1 -> Hi 23305dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman else 23315dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = Tmp1; // 0 -> Lo 23325dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman break; 23335dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23343e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 23355dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 23373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::CopyToReg: 23383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2339edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 2340c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner assert(isTypeLegal(Node->getOperand(2).getValueType()) && 2341d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner "Register type must be legal!"); 23427310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // Legalize the incoming value (must be a legal type). 2343d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(2)); 2344f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner if (Node->getNumValues() == 1) { 2345c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1), Tmp2); 23467310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } else { 2347f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner assert(Node->getNumValues() == 2 && "Unknown CopyToReg"); 2348c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Node->getNumOperands() == 4) { 2349f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(3)); 2350c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1), Tmp2, 2351c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3); 2352c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else { 2353c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1),Tmp2); 23547310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 23557310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner 23567310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // Since this produces two values, make sure to remember that we legalized 23577310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // both of them. 2358475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 2359475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 2360c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner return Result; 23617310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 23623e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 23633e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 23643e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::RET: 23653e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 23666831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 23676831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a return. 23686831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 23696831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 23706831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 2371f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner 23723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getNumOperands()) { 23738e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng case 3: // ret val 237498f8aeb45fc1e54437cbb8f2a7445c609deab832Evan Cheng Tmp2 = Node->getOperand(1); 23758e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Tmp3 = Node->getOperand(2); // Signness 2376f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner switch (getTypeAction(Tmp2.getValueType())) { 23773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 23788e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, LegalizeOp(Tmp2), Tmp3); 23793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2380f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner case Expand: 238183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!Tmp2.getValueType().isVector()) { 2382475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2383f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner ExpandOp(Tmp2, Lo, Hi); 2384edf2e8da256496c19390cfd46da80746373e9989Chris Lattner 2385edf2e8da256496c19390cfd46da80746373e9989Chris Lattner // Big endian systems want the hi reg first. 23860753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 2387edf2e8da256496c19390cfd46da80746373e9989Chris Lattner std::swap(Lo, Hi); 2388edf2e8da256496c19390cfd46da80746373e9989Chris Lattner 2389ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) 239013acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi,Tmp3); 239113acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng else 239213acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3); 2393f921a518912df706a8edf1f867f52e8afc6e2b55Chris Lattner Result = LegalizeOp(Result); 2394f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else { 2395ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = Tmp2.getNode(); 239699a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = Tmp2.getResNo(); 239783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVal->getValueType(InIx).getVectorNumElements(); 239883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVal->getValueType(InIx).getVectorElementType(); 2399f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner 24007f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 2401ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // type. If so, convert to the vector type. 240283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 24037f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 2404ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // Turn this into a return of the vector type. 24057f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Tmp2); 24068e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2407f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else if (NumElems == 1) { 2408f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // Turn this into a return of the scalar type. 24097f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = ScalarizeVectorOp(Tmp2); 24107f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Tmp2); 24118e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2412b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner 2413b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // FIXME: Returns of gcc generic vectors smaller than a legal type 2414b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // should be returned in integer registers! 2415b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner 2416f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // The scalarized value type may not be legal, e.g. it might require 2417f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // promotion or expansion. Relegalize the return. 2418f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner Result = LegalizeOp(Result); 2419f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else { 2420b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // FIXME: Returns of gcc generic vectors larger than a legal vector 2421b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // type should be returned by reference! 2422475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2423f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner SplitVectorOp(Tmp2, Lo, Hi); 2424fea997aac5773e936754de5436029c2a4fa1e930Chris Lattner Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi,Tmp3); 2425f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner Result = LegalizeOp(Result); 2426f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } 2427f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } 2428edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman break; 24293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Promote: 24308b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 24318e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2432c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = LegalizeOp(Result); 24338b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 24343e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case 1: // ret void 2437c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 24383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner default: { // ret <values> 2440475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> NewValues; 24413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner NewValues.push_back(Tmp1); 24428e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng for (unsigned i = 1, e = Node->getNumOperands(); i < e; i += 2) 24433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (getTypeAction(Node->getOperand(i).getValueType())) { 24443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 24454e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner NewValues.push_back(LegalizeOp(Node->getOperand(i))); 24468e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 24473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24483e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Expand: { 2449475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 245083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(!Node->getOperand(i).getValueType().isExtended() && 2451b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner "FIXME: TODO: implement returning non-legal vector types!"); 24523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(i), Lo, Hi); 24533e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner NewValues.push_back(Lo); 24548e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 2455ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) { 245613acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng NewValues.push_back(Hi); 245713acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 245813acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng } 2459edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman break; 24603e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24613e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Promote: 24628b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner assert(0 && "Can't promote multiple return value yet!"); 24633e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 2464c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner 2465c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (NewValues.size() == Node->getNumOperands()) 2466f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &NewValues[0],NewValues.size()); 2467c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner else 2468f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.getNode(ISD::RET, MVT::Other, 2469f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner &NewValues[0], NewValues.size()); 24703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 247317c428e23dbeac1f985d725905ce6be1c725491fEvan Cheng 24746862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner if (Result.getOpcode() == ISD::RET) { 24756862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner switch (TLI.getOperationAction(Result.getOpcode(), MVT::Other)) { 24766862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner default: assert(0 && "This action is not supported yet!"); 24776862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner case TargetLowering::Legal: break; 24786862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner case TargetLowering::Custom: 24796862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2480ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 24816862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner break; 24826862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner } 248317c428e23dbeac1f985d725905ce6be1c725491fEvan Cheng } 24843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2485f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng case ISD::STORE: { 24868b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng StoreSDNode *ST = cast<StoreSDNode>(Node); 24878b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp1 = LegalizeOp(ST->getChain()); // Legalize the chain. 24888b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp2 = LegalizeOp(ST->getBasePtr()); // Legalize the pointer. 2489d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman int SVOffset = ST->getSrcValueOffset(); 2490d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman unsigned Alignment = ST->getAlignment(); 2491d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman bool isVolatile = ST->isVolatile(); 24928b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 24938b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng if (!ST->isTruncatingStore()) { 2494d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // Turn 'store float 1.0, Ptr' -> 'store int 0x12345678, Ptr' 2495d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // FIXME: We shouldn't do this for TargetConstantFP's. 2496d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // FIXME: move this to the DAG Combiner! Note that we can't regress due 2497d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // to phase ordering between legalized code and the dag combiner. This 2498d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // probably means that we need to integrate dag combiner and legalizer 2499d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // together. 25009e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen // We generally can't do this one for long doubles. 25012b4c279a8e203fa8b13adf7ba3a5d4c8bef70df3Chris Lattner if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(ST->getValue())) { 25023cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner if (CFP->getValueType(0) == MVT::f32 && 25033cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner getTypeAction(MVT::i32) == Legal) { 25046cf9b8adf43b0a460fb4ba8ddbff2787f5aa9d5eDan Gohman Tmp3 = DAG.getConstant(CFP->getValueAPF(). 25057111b02c734c992b8c97d9918118768026dad79eDale Johannesen bitcastToAPInt().zextOrTrunc(32), 25063f6eb7419de437436265831fce92f62498556e08Dale Johannesen MVT::i32); 25079e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 25089e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen SVOffset, isVolatile, Alignment); 25099e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen break; 25109e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen } else if (CFP->getValueType(0) == MVT::f64) { 25113cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // If this target supports 64-bit registers, do a single 64-bit store. 25123cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner if (getTypeAction(MVT::i64) == Legal) { 25137111b02c734c992b8c97d9918118768026dad79eDale Johannesen Tmp3 = DAG.getConstant(CFP->getValueAPF().bitcastToAPInt(). 25146cf9b8adf43b0a460fb4ba8ddbff2787f5aa9d5eDan Gohman zextOrTrunc(64), MVT::i64); 25153cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 25163cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner SVOffset, isVolatile, Alignment); 25173cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner break; 2518d4b9c17fb705c2f58ceef4f37d789ddb56783584Duncan Sands } else if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) { 25193cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // Otherwise, if the target supports 32-bit registers, use 2 32-bit 25203cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // stores. If the target supports neither 32- nor 64-bits, this 25213cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // xform is certainly not worth it. 25227111b02c734c992b8c97d9918118768026dad79eDale Johannesen const APInt &IntVal =CFP->getValueAPF().bitcastToAPInt(); 2523475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = DAG.getConstant(APInt(IntVal).trunc(32), MVT::i32); 2524475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = DAG.getConstant(IntVal.lshr(32).trunc(32), MVT::i32); 25250753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) std::swap(Lo, Hi); 25263cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner 25273cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(), 25283cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner SVOffset, isVolatile, Alignment); 25293cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 25300bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(4)); 25313cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Hi = DAG.getStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), SVOffset+4, 2532dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands isVolatile, MinAlign(Alignment, 4U)); 25333cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner 25343cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 25353cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner break; 25363cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner } 2537d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner } 2538d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner } 2539d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner 2540b625f2f8960de32bc973092aaee8ac62863006feDan Gohman switch (getTypeAction(ST->getMemoryVT())) { 25418b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case Legal: { 25428b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp3 = LegalizeOp(ST->getValue()); 25432efce0a589e2a688a1a06b5dc2ed0db32ae79924Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 25448b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng ST->getOffset()); 25458b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 254683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Tmp3.getValueType(); 25478b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng switch (TLI.getOperationAction(ISD::STORE, VT)) { 25488b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng default: assert(0 && "This action is not supported yet!"); 2549f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio case TargetLowering::Legal: 2550f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If this is an unaligned store and the target doesn't support it, 2551f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // expand it. 2552f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (!TLI.allowsUnalignedMemoryAccesses()) { 2553f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio unsigned ABIAlignment = TLI.getTargetData()-> 255483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(ST->getMemoryVT().getTypeForMVT()); 2555f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (ST->getAlignment() < ABIAlignment) 2556ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG, 2557f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio TLI); 2558f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2559f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio break; 25608b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case TargetLowering::Custom: 25618b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 2562ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 25638b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25648b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case TargetLowering::Promote: 256583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isVector() && "Unknown legal promote case!"); 25668b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp3 = DAG.getNode(ISD::BIT_CONVERT, 25678b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3); 25688b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, 2569d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman ST->getSrcValue(), SVOffset, isVolatile, 2570d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman Alignment); 25718b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25728b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 25732efce0a589e2a688a1a06b5dc2ed0db32ae79924Chris Lattner break; 2574f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 25758b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case Promote: 25760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!ST->getMemoryVT().isVector()) { 25770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Truncate the value and store the result. 25780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp3 = PromoteOp(ST->getValue()); 25790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 25800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset, ST->getMemoryVT(), 25810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 25820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 25830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 25840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Fall thru to expand for vector 25850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Expand: { 25868b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng unsigned IncrementSize = 0; 2587475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2588c7029805ef35ce9805931067b841e6af11db382eChris Lattner 25898b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // If this is a vector type, then we have to calculate the increment as 25908b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // the product of the element size in bytes, and the number of elements 25918b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // in the high half of the vector. 259283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (ST->getValue().getValueType().isVector()) { 2593ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = ST->getValue().getNode(); 259499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = ST->getValue().getResNo(); 259583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT InVT = InVal->getValueType(InIx); 259683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVT.getVectorNumElements(); 259783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVT.getVectorElementType(); 25988b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 25997f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 2600ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // type. If so, convert to the vector type. 260183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 26027f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 2603ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // Turn this into a normal store of the vector type. 260421be3849aef47e6d8c26f31b11def57d59167863Dan Gohman Tmp3 = LegalizeOp(ST->getValue()); 26058b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2606d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26078b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = LegalizeOp(Result); 26088b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 26098b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else if (NumElems == 1) { 26108b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // Turn this into a normal store of the scalar type. 261121be3849aef47e6d8c26f31b11def57d59167863Dan Gohman Tmp3 = ScalarizeVectorOp(ST->getValue()); 26128b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2613d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26148b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // The scalarized value type may not be legal, e.g. it might require 26158b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // promotion or expansion. Relegalize the scalar store. 26168b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = LegalizeOp(Result); 26178b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 26188b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else { 26190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we have widen this node with another value 26200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = 26210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenNodes.find(ST->getValue()); 26220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) { 26230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = StoreWidenVectorOp(ST, Tmp1, Tmp2); 26240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 26250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 26270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SplitVectorOp(ST->getValue(), Lo, Hi); 26280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang IncrementSize = Lo.getNode()->getValueType(0).getVectorNumElements() * 26290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVT.getSizeInBits()/8; 26300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26318b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 2632c7029805ef35ce9805931067b841e6af11db382eChris Lattner } else { 263321be3849aef47e6d8c26f31b11def57d59167863Dan Gohman ExpandOp(ST->getValue(), Lo, Hi); 2634ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif IncrementSize = Hi.getNode() ? Hi.getValueType().getSizeInBits()/8 : 0; 26358b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 26364b052dc63d31e764b85d62c056bffe576d501ed4Richard Pennington if (Hi.getNode() && TLI.isBigEndian()) 26378b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng std::swap(Lo, Hi); 2638c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 2639c7029805ef35ce9805931067b841e6af11db382eChris Lattner 26408b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(), 2641d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26427b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 2643ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode() == NULL) { 26447b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // Must be int <-> float one-to-one expansion. 26457b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng Result = Lo; 26467b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng break; 26477b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng } 26487b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 26498b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 26500bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 26518b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng assert(isTypeLegal(Tmp2.getValueType()) && 26528b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng "Pointers must be legal!"); 2653d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset += IncrementSize; 2654dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 26558b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Hi = DAG.getStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), 2656d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26578b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 26588b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 26590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } // case Expand 26608b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 26618b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else { 2662ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner switch (getTypeAction(ST->getValue().getValueType())) { 2663ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Legal: 2664ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner Tmp3 = LegalizeOp(ST->getValue()); 2665ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner break; 2666ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Promote: 26670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!ST->getValue().getValueType().isVector()) { 26680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We can promote the value, the truncstore will still take care of it. 26690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp3 = PromoteOp(ST->getValue()); 26700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 26710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Vector case falls through to expand 2673ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Expand: 2674ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner // Just store the low part. This may become a non-trunc store, so make 2675ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner // sure to use getTruncStore, not UpdateNodeOperands below. 2676ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner ExpandOp(ST->getValue(), Tmp3, Tmp4); 2677ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner return DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2678ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner SVOffset, MVT::i8, isVolatile, Alignment); 2679ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner } 26807e857201f387d004571e6058e2ea709163500f38Duncan Sands 268183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT StVT = ST->getMemoryVT(); 268283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned StWidth = StVT.getSizeInBits(); 26837e857201f387d004571e6058e2ea709163500f38Duncan Sands 268483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (StWidth != StVT.getStoreSizeInBits()) { 26857e857201f387d004571e6058e2ea709163500f38Duncan Sands // Promote to a byte-sized store with upper bits zero if not 26867e857201f387d004571e6058e2ea709163500f38Duncan Sands // storing an integral number of bytes. For example, promote 26877e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i1 X -> TRUNCSTORE:i8 (and X, 1) 268883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = MVT::getIntegerVT(StVT.getStoreSizeInBits()); 26897e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp3 = DAG.getZeroExtendInReg(Tmp3, StVT); 26908b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 26917e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset, NVT, isVolatile, Alignment); 26927e857201f387d004571e6058e2ea709163500f38Duncan Sands } else if (StWidth & (StWidth - 1)) { 26937e857201f387d004571e6058e2ea709163500f38Duncan Sands // If not storing a power-of-2 number of bits, expand as two stores. 269483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(StVT.isExtended() && !StVT.isVector() && 26957e857201f387d004571e6058e2ea709163500f38Duncan Sands "Unsupported truncstore!"); 26967e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned RoundWidth = 1 << Log2_32(StWidth); 26977e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(RoundWidth < StWidth); 26987e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned ExtraWidth = StWidth - RoundWidth; 26997e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(ExtraWidth < RoundWidth); 27007e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(!(RoundWidth % 8) && !(ExtraWidth % 8) && 27017e857201f387d004571e6058e2ea709163500f38Duncan Sands "Store size not an integral number of bytes!"); 270283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT RoundVT = MVT::getIntegerVT(RoundWidth); 270383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = MVT::getIntegerVT(ExtraWidth); 2704475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 27057e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned IncrementSize; 27067e857201f387d004571e6058e2ea709163500f38Duncan Sands 27077e857201f387d004571e6058e2ea709163500f38Duncan Sands if (TLI.isLittleEndian()) { 27087e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i24 X -> TRUNCSTORE:i16 X, TRUNCSTORE@+2:i8 (srl X, 16) 27097e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the bottom RoundWidth bits. 27107e857201f387d004571e6058e2ea709163500f38Duncan Sands Lo = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 27117e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset, RoundVT, 27127e857201f387d004571e6058e2ea709163500f38Duncan Sands isVolatile, Alignment); 27137e857201f387d004571e6058e2ea709163500f38Duncan Sands 27147e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the remaining ExtraWidth bits. 27157e857201f387d004571e6058e2ea709163500f38Duncan Sands IncrementSize = RoundWidth / 8; 27167e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 27177e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getIntPtrConstant(IncrementSize)); 27187e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getNode(ISD::SRL, Tmp3.getValueType(), Tmp3, 27197e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getConstant(RoundWidth, TLI.getShiftAmountTy())); 27207e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getTruncStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), 27217e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset + IncrementSize, ExtraVT, isVolatile, 27227e857201f387d004571e6058e2ea709163500f38Duncan Sands MinAlign(Alignment, IncrementSize)); 27237e857201f387d004571e6058e2ea709163500f38Duncan Sands } else { 27247e857201f387d004571e6058e2ea709163500f38Duncan Sands // Big endian - avoid unaligned stores. 27257e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i24 X -> TRUNCSTORE:i16 (srl X, 8), TRUNCSTORE@+2:i8 X 27267e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the top RoundWidth bits. 27277e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getNode(ISD::SRL, Tmp3.getValueType(), Tmp3, 27287e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy())); 27297e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getTruncStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), SVOffset, 27307e857201f387d004571e6058e2ea709163500f38Duncan Sands RoundVT, isVolatile, Alignment); 27317e857201f387d004571e6058e2ea709163500f38Duncan Sands 27327e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the remaining ExtraWidth bits. 27337e857201f387d004571e6058e2ea709163500f38Duncan Sands IncrementSize = RoundWidth / 8; 27347e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 27357e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getIntPtrConstant(IncrementSize)); 27367e857201f387d004571e6058e2ea709163500f38Duncan Sands Lo = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 27377e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset + IncrementSize, ExtraVT, isVolatile, 27387e857201f387d004571e6058e2ea709163500f38Duncan Sands MinAlign(Alignment, IncrementSize)); 27397e857201f387d004571e6058e2ea709163500f38Duncan Sands } 2740c7029805ef35ce9805931067b841e6af11db382eChris Lattner 27417e857201f387d004571e6058e2ea709163500f38Duncan Sands // The order of the stores doesn't matter. 27427e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 27437e857201f387d004571e6058e2ea709163500f38Duncan Sands } else { 27447e857201f387d004571e6058e2ea709163500f38Duncan Sands if (Tmp1 != ST->getChain() || Tmp3 != ST->getValue() || 27457e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 != ST->getBasePtr()) 27467e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 27477e857201f387d004571e6058e2ea709163500f38Duncan Sands ST->getOffset()); 27487e857201f387d004571e6058e2ea709163500f38Duncan Sands 27497e857201f387d004571e6058e2ea709163500f38Duncan Sands switch (TLI.getTruncStoreAction(ST->getValue().getValueType(), StVT)) { 27507e857201f387d004571e6058e2ea709163500f38Duncan Sands default: assert(0 && "This action is not supported yet!"); 27517e857201f387d004571e6058e2ea709163500f38Duncan Sands case TargetLowering::Legal: 27527e857201f387d004571e6058e2ea709163500f38Duncan Sands // If this is an unaligned store and the target doesn't support it, 27537e857201f387d004571e6058e2ea709163500f38Duncan Sands // expand it. 27547e857201f387d004571e6058e2ea709163500f38Duncan Sands if (!TLI.allowsUnalignedMemoryAccesses()) { 27557e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned ABIAlignment = TLI.getTargetData()-> 275683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(ST->getMemoryVT().getTypeForMVT()); 27577e857201f387d004571e6058e2ea709163500f38Duncan Sands if (ST->getAlignment() < ABIAlignment) 2758ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG, 27597e857201f387d004571e6058e2ea709163500f38Duncan Sands TLI); 27607e857201f387d004571e6058e2ea709163500f38Duncan Sands } 27617e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 27627e857201f387d004571e6058e2ea709163500f38Duncan Sands case TargetLowering::Custom: 27637e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = TLI.LowerOperation(Result, DAG); 27647e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 27657e857201f387d004571e6058e2ea709163500f38Duncan Sands case Expand: 27667e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i16 i32 -> STORE i16 27677e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(isTypeLegal(StVT) && "Do not know how to expand this store!"); 27687e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp3 = DAG.getNode(ISD::TRUNCATE, StVT, Tmp3); 27697e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), SVOffset, 27707e857201f387d004571e6058e2ea709163500f38Duncan Sands isVolatile, Alignment); 27717e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 2772f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 27738b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 27743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 27753e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2776f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 277795762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth case ISD::PCMARKER: 277895762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2779c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 278095762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth break; 2781140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case ISD::STACKSAVE: 2782140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2783c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 2784c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = Result.getValue(0); 2785c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Result.getValue(1); 2786456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2787140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner switch (TLI.getOperationAction(ISD::STACKSAVE, MVT::Other)) { 2788140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner default: assert(0 && "This action is not supported yet!"); 2789456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2790456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2791c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 2792ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 2793c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp3); 2794c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp3.getValue(1)); 2795140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2796456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2797140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case TargetLowering::Expand: 27984f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // Expand to CopyFromReg if the target set 27994f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // StackPointerRegisterToSaveRestore. 28004f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner if (unsigned SP = TLI.getStackPointerRegisterToSaveRestore()) { 2801c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = DAG.getCopyFromReg(Result.getOperand(0), SP, 28024f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Node->getValueType(0)); 2803c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Tmp1.getValue(1); 28044f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } else { 2805c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = DAG.getNode(ISD::UNDEF, Node->getValueType(0)); 2806c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Node->getOperand(0); 28074f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } 2808456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2809140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2810456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2811456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Since stacksave produce two values, make sure to remember that we 2812456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // legalized both of them. 2813475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2814475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 281599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 2816456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2817140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case ISD::STACKRESTORE: 2818140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2819140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 2820c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 2821140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner 2822140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner switch (TLI.getOperationAction(ISD::STACKRESTORE, MVT::Other)) { 2823140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner default: assert(0 && "This action is not supported yet!"); 2824456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2825456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2826456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2827ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2828140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2829140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case TargetLowering::Expand: 28304f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // Expand to CopyToReg if the target set 28314f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // StackPointerRegisterToSaveRestore. 28324f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner if (unsigned SP = TLI.getStackPointerRegisterToSaveRestore()) { 28334f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Result = DAG.getCopyToReg(Tmp1, SP, Tmp2); 28344f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } else { 28354f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Result = Tmp1; 28364f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } 2837140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2838140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2839140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2840140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner 284151b8d54922350b7e1c2cd5a5183ef2c5f5d1b1d5Andrew Lenharth case ISD::READCYCLECOUNTER: 284251b8d54922350b7e1c2cd5a5183ef2c5f5d1b1d5Andrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain 2843c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 2844f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng switch (TLI.getOperationAction(ISD::READCYCLECOUNTER, 2845f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng Node->getValueType(0))) { 2846f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng default: assert(0 && "This action is not supported yet!"); 28476a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng case TargetLowering::Legal: 28486a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp1 = Result.getValue(0); 28496a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp2 = Result.getValue(1); 28506a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng break; 2851f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng case TargetLowering::Custom: 2852f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng Result = TLI.LowerOperation(Result, DAG); 28536a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp1 = LegalizeOp(Result.getValue(0)); 28546a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp2 = LegalizeOp(Result.getValue(1)); 2855f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng break; 2856f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng } 285749c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth 285849c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth // Since rdcc produce two values, make sure to remember that we legalized 285949c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth // both of them. 2860475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2861475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 2862c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner return Result; 2863f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 28642ee743ff9be43c350075a2fa15d11a79bff36775Chris Lattner case ISD::SELECT: 286547e9223e06390897c3834f8c527001df392570ffChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 286647e9223e06390897c3834f8c527001df392570ffChris Lattner case Expand: assert(0 && "It's impossible to expand bools"); 286747e9223e06390897c3834f8c527001df392570ffChris Lattner case Legal: 286847e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the condition. 286947e9223e06390897c3834f8c527001df392570ffChris Lattner break; 28702e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman case Promote: { 28710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(!Node->getOperand(0).getValueType().isVector() && "not possible"); 287247e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); // Promote the condition. 2873b6c806045bbd4a650f90f613a96cee01a1584412Chris Lattner // Make sure the condition is either zero or one. 28742e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned BitWidth = Tmp1.getValueSizeInBits(); 2875ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman if (!DAG.MaskedValueIsZero(Tmp1, 28762e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman APInt::getHighBitsSet(BitWidth, BitWidth-1))) 2877b6c806045bbd4a650f90f613a96cee01a1584412Chris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, MVT::i1); 287847e9223e06390897c3834f8c527001df392570ffChris Lattner break; 287947e9223e06390897c3834f8c527001df392570ffChris Lattner } 28802e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman } 28813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // TrueVal 28822ee743ff9be43c350075a2fa15d11a79bff36775Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // FalseVal 288355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner 2884c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2885456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2886b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman switch (TLI.getOperationAction(ISD::SELECT, Tmp2.getValueType())) { 288755ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner default: assert(0 && "This action is not supported yet!"); 2888456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2889456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: { 2890456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2891ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2892456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2893456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 28949373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case TargetLowering::Expand: 28959373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman if (Tmp1.getOpcode() == ISD::SETCC) { 28969373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getSelectCC(Tmp1.getOperand(0), Tmp1.getOperand(1), 28979373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2, Tmp3, 28989373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman cast<CondCodeSDNode>(Tmp1.getOperand(2))->get()); 28999373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } else { 29009373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getSelectCC(Tmp1, 29019373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman DAG.getConstant(0, Tmp1.getValueType()), 29029373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2, Tmp3, ISD::SETNE); 29039373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 290455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 290555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Promote: { 290683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = 290755ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner TLI.getTypeToPromoteTo(ISD::SELECT, Tmp2.getValueType()); 290855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner unsigned ExtOp, TruncOp; 290983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Tmp2.getValueType().isVector()) { 291041f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng ExtOp = ISD::BIT_CONVERT; 291141f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng TruncOp = ISD::BIT_CONVERT; 291283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (Tmp2.getValueType().isInteger()) { 2913456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner ExtOp = ISD::ANY_EXTEND; 2914456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner TruncOp = ISD::TRUNCATE; 291555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } else { 2916456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner ExtOp = ISD::FP_EXTEND; 2917456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner TruncOp = ISD::FP_ROUND; 291855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 291955ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner // Promote each of the values to the new type. 292055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Tmp2 = DAG.getNode(ExtOp, NVT, Tmp2); 292155ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Tmp3 = DAG.getNode(ExtOp, NVT, Tmp3); 292255ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner // Perform the larger operation, then round down. 292355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Result = DAG.getNode(ISD::SELECT, NVT, Tmp1, Tmp2,Tmp3); 29240bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TruncOp != ISD::FP_ROUND) 29250bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(TruncOp, Node->getValueType(0), Result); 29260bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner else 29270bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(TruncOp, Node->getValueType(0), Result, 29280bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(0)); 292955ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 293055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 293155ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 29323e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2933750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SELECT_CC: { 2934750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = Node->getOperand(0); // LHS 2935750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(1); // RHS 29369373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); // True 29379373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp4 = LegalizeOp(Node->getOperand(3)); // False 2938475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CC = Node->getOperand(4); 29399373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 294053e4e4478c69c2c2115db833b54385117c764d14Dale Johannesen LegalizeSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, CC); 2941750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 29427f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // If we didn't get both a LHS and RHS back from LegalizeSetCC, 2943750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the LHS is a legal SETCC itself. In this case, we need to compare 2944750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the result against zero to select between true and false values. 2945ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode() == 0) { 2946750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getConstant(0, Tmp1.getValueType()); 2947750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman CC = DAG.getCondCode(ISD::SETNE); 2948750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 2949750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4, CC); 2950750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2951750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Everything is legal, see if we should expand this op or something. 2952750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (TLI.getOperationAction(ISD::SELECT_CC, Tmp3.getValueType())) { 2953750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "This action is not supported yet!"); 2954750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case TargetLowering::Legal: break; 2955750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case TargetLowering::Custom: 2956750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = TLI.LowerOperation(Result, DAG); 2957ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 29589373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 29599373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 29609373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 2961750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 29623e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SETCC: 2963750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = Node->getOperand(0); 2964750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(1); 2965750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = Node->getOperand(2); 29667f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCC(Node->getValueType(0), Tmp1, Tmp2, Tmp3); 2967750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2968750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If we had to Expand the SetCC operands into a SELECT node, then it may 2969750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // not always be possible to return a true LHS & RHS. In this case, just 2970750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // return the value we legalized, returned in the LHS 2971ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode() == 0) { 2972750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = Tmp1; 29733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 29743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 2975b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman 297673e142f2b6a3b5223de2d557d646f319ca8168cfChris Lattner switch (TLI.getOperationAction(ISD::SETCC, Tmp1.getValueType())) { 2977456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner default: assert(0 && "Cannot handle this action for SETCC yet!"); 2978456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2979456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 2980456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH. 2981456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 29822b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2983456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 29842b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp4 = TLI.LowerOperation(Result, DAG); 2985ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) Result = Tmp4; 2986456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 2987b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman break; 2988ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth case TargetLowering::Promote: { 2989ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // First step, figure out the appropriate operation to use. 2990ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Allow SETCC to not be supported for all legal data types 2991ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Mostly this targets FP 299283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewInTy = Node->getOperand(0).getValueType(); 299383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OldVT = NewInTy; OldVT = OldVT; 2994ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 2995ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Scan for the appropriate larger type to use. 2996ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth while (1) { 299783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); 2998ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 299983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isInteger() == OldVT.isInteger() && 3000ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth "Fell off of the edge of the integer world"); 300183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isFloatingPoint() == OldVT.isFloatingPoint() && 3002ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth "Fell off of the edge of the floating point world"); 3003ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 3004ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // If the target supports SETCC of this type, use it. 30051ccf26a6392034a11827aeaa0d58d025ecb2b85aChris Lattner if (TLI.isOperationLegal(ISD::SETCC, NewInTy)) 3006ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth break; 3007ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 300883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NewInTy.isInteger()) 3009ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth assert(0 && "Cannot promote Legal Integer SETCC yet"); 3010ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth else { 3011ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth Tmp1 = DAG.getNode(ISD::FP_EXTEND, NewInTy, Tmp1); 3012ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth Tmp2 = DAG.getNode(ISD::FP_EXTEND, NewInTy, Tmp2); 3013ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 3014c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp1); 3015c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp2); 30162b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 3017433f8acefb78f1c8a2cf79c12b101ce7c4b20202Evan Cheng Result = LegalizeOp(Result); 30185e3efbc2ca459621400211f7370d7f121d4827d9Andrew Lenharth break; 3019ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 3020b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman case TargetLowering::Expand: 3021b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman // Expand a setcc node into a select_cc of the same condition, lhs, and 3022b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman // rhs that selects between const 1 (true) and const 0 (false). 302383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3024b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman Result = DAG.getNode(ISD::SELECT_CC, VT, Tmp1, Tmp2, 3025b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman DAG.getConstant(1, VT), DAG.getConstant(0, VT), 30262b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp3); 3027b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman break; 3028b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman } 30293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 3030b43e9c196542acc80c9e4643809661065710848fNate Begeman case ISD::VSETCC: { 3031b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3032b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3033475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CC = Node->getOperand(2); 3034b43e9c196542acc80c9e4643809661065710848fNate Begeman 3035b43e9c196542acc80c9e4643809661065710848fNate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, CC); 3036b43e9c196542acc80c9e4643809661065710848fNate Begeman 3037b43e9c196542acc80c9e4643809661065710848fNate Begeman // Everything is legal, see if we should expand this op or something. 3038b43e9c196542acc80c9e4643809661065710848fNate Begeman switch (TLI.getOperationAction(ISD::VSETCC, Tmp1.getValueType())) { 3039b43e9c196542acc80c9e4643809661065710848fNate Begeman default: assert(0 && "This action is not supported yet!"); 3040b43e9c196542acc80c9e4643809661065710848fNate Begeman case TargetLowering::Legal: break; 3041b43e9c196542acc80c9e4643809661065710848fNate Begeman case TargetLowering::Custom: 3042b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp1 = TLI.LowerOperation(Result, DAG); 3043ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3044b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 3045b43e9c196542acc80c9e4643809661065710848fNate Begeman } 3046b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 3047b43e9c196542acc80c9e4643809661065710848fNate Begeman } 304852d08bd9d8a8dcc06148525c7fad6f2ebcad0a42Chris Lattner 30495b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SHL_PARTS: 30505b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SRA_PARTS: 30515b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SRL_PARTS: { 3052475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 305384f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner bool Changed = false; 305484f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 305584f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 305684f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner Changed |= Ops.back() != Node->getOperand(i); 305784f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner } 3058c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Changed) 3059f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 30602c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 306105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), 306205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Node->getValueType(0))) { 306305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng default: assert(0 && "This action is not supported yet!"); 3064456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3065456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3066456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3067ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 3068475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2, RetVal(0, 0); 306905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) { 3070456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = LegalizeOp(Tmp1.getValue(i)); 3071475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Tmp2); 307299a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif if (i == Op.getResNo()) 307312f2274ba8c6af21e8b6c71ef872afe43a64b6d7Evan Cheng RetVal = Tmp2; 307405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 3075ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(RetVal.getNode() && "Illegal result number"); 307605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng return RetVal; 307705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 307805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng break; 307905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 308005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 30812c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Since these produce multiple values, make sure to remember that we 30822c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // legalized all of them. 30832c8086f4b9916b2d02842be5e375276023225fbaChris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 3084475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Result.getValue(i)); 308599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 308684f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner } 30872c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 30882c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Binary operators 30893e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ADD: 30903e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SUB: 30913e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::MUL: 3092c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MULHS: 3093c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MULHU: 30943e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::UDIV: 30953e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SDIV: 30963e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::AND: 30973e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::OR: 30983e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::XOR: 309903c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SHL: 310003c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SRL: 310103c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SRA: 310201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FADD: 310301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FSUB: 310401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FMUL: 310501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FDIV: 3106826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 31073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3108f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth switch (getTypeAction(Node->getOperand(1).getValueType())) { 3109f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Expand: assert(0 && "Not possible"); 3110f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Legal: 3111f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the RHS. 3112f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth break; 3113f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Promote: 3114f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the RHS. 3115f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth break; 3116f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth } 31175bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman 31185bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman if ((Node->getOpcode() == ISD::SHL || 31195bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Node->getOpcode() == ISD::SRL || 31205bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Node->getOpcode() == ISD::SRA) && 31215bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman !Node->getValueType(0).isVector()) { 3122e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang Tmp2 = LegalizeShiftAmount(Tmp2); 3123e9f1015d1f184a51aaadfd03be0846bd5e7d08a2Mon P Wang } 31245bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman 3125c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3126aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang 3127e8f65f1e62ea1d4f2ca9fd0137ae2e0ce20e26e1Andrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3128bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner default: assert(0 && "BinOp legalize operation not supported"); 3129456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3130456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3131456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3132ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 31335bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Result = Tmp1; 31345bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman break; 313524dc346a16397bf740d8d961cd1ebec8d2f46957Nate Begeman } 31365bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman // Fall through if the custom lower can't deal with the operation 3137bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner case TargetLowering::Expand: { 313883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 31390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 3140525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // See if multiply or divide can be lowered using two-result operations. 3141525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman SDVTList VTs = DAG.getVTList(VT, VT); 3142525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MUL) { 3143525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We just need the low half of the multiply; try both the signed 3144525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // and unsigned forms. If the target supports both SMUL_LOHI and 3145525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // UMUL_LOHI, form a preference by checking which forms of plain 3146525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // MULH it supports. 3147525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasSMUL_LOHI = TLI.isOperationLegal(ISD::SMUL_LOHI, VT); 3148525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasUMUL_LOHI = TLI.isOperationLegal(ISD::UMUL_LOHI, VT); 3149525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, VT); 3150525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, VT); 3151525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned OpToUse = 0; 3152525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasSMUL_LOHI && !HasMULHS) { 3153525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::SMUL_LOHI; 3154525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasUMUL_LOHI && !HasMULHU) { 3155525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::UMUL_LOHI; 3156525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasSMUL_LOHI) { 3157525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::SMUL_LOHI; 3158525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasUMUL_LOHI) { 3159525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::UMUL_LOHI; 3160525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3161525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (OpToUse) { 3162ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(OpToUse, VTs, Tmp1, Tmp2).getNode(), 0); 3163525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3164525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3165525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3166525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MULHS && 3167525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SMUL_LOHI, VT)) { 316831d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 316931d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 1); 3170525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3171525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3172525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MULHU && 3173525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UMUL_LOHI, VT)) { 317431d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 317531d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 1); 3176525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3177525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3178525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::SDIV && 3179525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SDIVREM, VT)) { 318031d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 318131d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 0); 3182525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3183525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3184525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::UDIV && 3185525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UDIVREM, VT)) { 318631d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 318731d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 0); 3188525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3189525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 31900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 3191826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Check to see if we have a libcall for this operator. 3192826695281344e3a4c4d44d73dd155107aafd689bDan Gohman RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 3193826695281344e3a4c4d44d73dd155107aafd689bDan Gohman bool isSigned = false; 3194826695281344e3a4c4d44d73dd155107aafd689bDan Gohman switch (Node->getOpcode()) { 3195826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::UDIV: 3196826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::SDIV: 3197826695281344e3a4c4d44d73dd155107aafd689bDan Gohman if (VT == MVT::i32) { 3198826695281344e3a4c4d44d73dd155107aafd689bDan Gohman LC = Node->getOpcode() == ISD::UDIV 31990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ? RTLIB::UDIV_I32 : RTLIB::SDIV_I32; 3200826695281344e3a4c4d44d73dd155107aafd689bDan Gohman isSigned = Node->getOpcode() == ISD::SDIV; 3201826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3202826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 320331d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner case ISD::MUL: 320431d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner if (VT == MVT::i32) 320531d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner LC = RTLIB::MUL_I32; 320631d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner break; 3207826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 3208007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80, 3209007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::POW_PPCF128); 3210826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3211826695281344e3a4c4d44d73dd155107aafd689bDan Gohman default: break; 3212826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3213826695281344e3a4c4d44d73dd155107aafd689bDan Gohman if (LC != RTLIB::UNKNOWN_LIBCALL) { 3214475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3215460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, isSigned, Dummy); 321652cc1ea2a1a374b58801398460a6289723089d91Evan Cheng break; 321752cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } 32180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 321983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Node->getValueType(0).isVector() && 3220bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner "Cannot expand this binary operator!"); 3221bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner // Expand the operation into a bunch of nasty scalar code. 3222826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3223bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner break; 3224bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner } 3225cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case TargetLowering::Promote: { 3226cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng switch (Node->getOpcode()) { 3227cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng default: assert(0 && "Do not know how to promote this BinOp!"); 3228cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::AND: 3229cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::OR: 3230cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::XOR: { 323183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getValueType(0); 323283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 323383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(OVT.isVector() && "Cannot promote this BinOp!"); 3234cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng // Bit convert each of the values to the new type. 3235cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); 3236cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); 3237cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 3238cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng // Bit convert the result back the original type. 3239cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); 3240cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng break; 3241cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3242cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3243cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3244e8f65f1e62ea1d4f2ca9fd0137ae2e0ce20e26e1Andrew Lenharth } 32453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 3246a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3247e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::SMUL_LOHI: 3248e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::UMUL_LOHI: 3249e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::SDIVREM: 3250e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::UDIVREM: 3251e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman // These nodes will only be produced by target-specific lowering, so 3252e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman // they shouldn't be here if they aren't legal. 3253a7c97a7f5b82778ca5abfc3791c6b7f96b82a5faDuncan Sands assert(TLI.isOperationLegal(Node->getOpcode(), Node->getValueType(0)) && 3254e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman "This must be legal!"); 3255525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 3256525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3257525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3258525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3259e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman break; 3260e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman 3261a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case ISD::FCOPYSIGN: // FCOPYSIGN does not require LHS/RHS to match type! 3262a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3263a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner switch (getTypeAction(Node->getOperand(1).getValueType())) { 3264a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Expand: assert(0 && "Not possible"); 3265a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Legal: 3266a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the RHS. 3267a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3268a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Promote: 3269a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the RHS. 3270a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3271a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner } 3272a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3273a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3274a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3275a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3276a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner default: assert(0 && "Operation not supported"); 3277a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case TargetLowering::Custom: 3278a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3279ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 32808f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner break; 3281a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case TargetLowering::Legal: break; 3282912095becac923ff614d7b07728eb345ada67765Evan Cheng case TargetLowering::Expand: { 3283636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng // If this target supports fabs/fneg natively and select is cheap, 3284636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng // do this efficiently. 3285636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng if (!TLI.isSelectExpensive() && 3286636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TLI.getOperationAction(ISD::FABS, Tmp1.getValueType()) == 3287636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TargetLowering::Legal && 3288912095becac923ff614d7b07728eb345ada67765Evan Cheng TLI.getOperationAction(ISD::FNEG, Tmp1.getValueType()) == 3289636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TargetLowering::Legal) { 32908f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Get the sign bit of the RHS. 329183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT IVT = 32928f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Tmp2.getValueType() == MVT::f32 ? MVT::i32 : MVT::i64; 3293475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit = DAG.getNode(ISD::BIT_CONVERT, IVT, Tmp2); 32945b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel SignBit = DAG.getSetCC(TLI.getSetCCResultType(SignBit), 32958f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner SignBit, DAG.getConstant(0, IVT), ISD::SETLT); 32968f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Get the absolute value of the result. 3297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue AbsVal = DAG.getNode(ISD::FABS, Tmp1.getValueType(), Tmp1); 32988f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Select between the nabs and abs value based on the sign bit of 32998f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // the input. 33008f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Result = DAG.getNode(ISD::SELECT, AbsVal.getValueType(), SignBit, 33018f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner DAG.getNode(ISD::FNEG, AbsVal.getValueType(), 33028f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner AbsVal), 33038f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner AbsVal); 33048f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Result = LegalizeOp(Result); 33058f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner break; 33068f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner } 33078f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner 33088f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Otherwise, do bitwise ops! 330983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = 3310912095becac923ff614d7b07728eb345ada67765Evan Cheng Node->getValueType(0) == MVT::f32 ? MVT::i32 : MVT::i64; 3311912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = ExpandFCOPYSIGNToBitwiseOps(Node, NVT, DAG, TLI); 3312912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), Result); 3313912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = LegalizeOp(Result); 3314a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3315a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner } 3316912095becac923ff614d7b07728eb345ada67765Evan Cheng } 3317a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3318a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3319551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::ADDC: 3320551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::SUBC: 3321551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); 3322551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); 3323551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3324d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp3 = Result.getValue(0); 3325d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = Result.getValue(1); 3326d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta 3327d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3328d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta default: assert(0 && "This action is not supported yet!"); 3329d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Legal: 3330d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3331d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Custom: 3332d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp1 = TLI.LowerOperation(Tmp3, DAG); 3333d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta if (Tmp1.getNode() != NULL) { 33349b0f0b5e1505dcd4ec0da87ea9e29c59d98a8d27Sanjiv Gupta Tmp3 = LegalizeOp(Tmp1); 3335d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = LegalizeOp(Tmp1.getValue(1)); 3336d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3337d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3338d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3339551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Since this produces two values, make sure to remember that we legalized 3340551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // both of them. 3341d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 0), Tmp3); 3342d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 1), Tmp4); 3343d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta return Op.getResNo() ? Tmp4 : Tmp3; 3344edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 3345551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::ADDE: 3346551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::SUBE: 3347551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); 3348551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); 3349551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); 3350551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 3351d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp3 = Result.getValue(0); 3352d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = Result.getValue(1); 3353d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta 3354d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3355d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta default: assert(0 && "This action is not supported yet!"); 3356d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Legal: 3357d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3358d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta case TargetLowering::Custom: 3359d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp1 = TLI.LowerOperation(Tmp3, DAG); 3360d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta if (Tmp1.getNode() != NULL) { 33619b0f0b5e1505dcd4ec0da87ea9e29c59d98a8d27Sanjiv Gupta Tmp3 = LegalizeOp(Tmp1); 3362d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta Tmp4 = LegalizeOp(Tmp1.getValue(1)); 3363d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3364d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta break; 3365d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta } 3366551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Since this produces two values, make sure to remember that we legalized 3367551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // both of them. 3368d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 0), Tmp3); 3369d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta AddLegalizedOperand(SDValue(Node, 1), Tmp4); 3370d3f01aa5a1c0242ea0a6294f13e1d078ce2b0938Sanjiv Gupta return Op.getResNo() ? Tmp4 : Tmp3; 3371551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 3372419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case ISD::BUILD_PAIR: { 337383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PairTy = Node->getValueType(0); 3374419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman // TODO: handle the case where the Lo and Hi operands are not of legal type 3375419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Lo 3376419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Hi 3377419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman switch (TLI.getOperationAction(ISD::BUILD_PAIR, PairTy)) { 3378456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3379456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3380456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner assert(0 && "Cannot promote/custom this yet!"); 3381419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case TargetLowering::Legal: 3382419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1)) 3383419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Result = DAG.getNode(ISD::BUILD_PAIR, PairTy, Tmp1, Tmp2); 3384419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3385419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case TargetLowering::Expand: 3386419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, PairTy, Tmp1); 3387419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = DAG.getNode(ISD::ANY_EXTEND, PairTy, Tmp2); 3388419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = DAG.getNode(ISD::SHL, PairTy, Tmp2, 338983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(PairTy.getSizeInBits()/2, 3390419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman TLI.getShiftAmountTy())); 3391456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::OR, PairTy, Tmp1, Tmp2); 3392419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3393419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman } 3394419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3395419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman } 3396419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman 3397c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman case ISD::UREM: 3398c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman case ISD::SREM: 339901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FREM: 3400c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3401c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3402456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3403c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3404456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: assert(0 && "Cannot promote this yet!"); 3405456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3406456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3407456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 340857030e36e41ebd982a24632e7cea5b584b2d49fcAndrew Lenharth case TargetLowering::Legal: 3409c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3410456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3411456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3412ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3413456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 341457030e36e41ebd982a24632e7cea5b584b2d49fcAndrew Lenharth break; 3415525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman case TargetLowering::Expand: { 34166b5578f052c2405c0d622192ccacfd47563c99a8Evan Cheng unsigned DivOpc= (Node->getOpcode() == ISD::UREM) ? ISD::UDIV : ISD::SDIV; 341747857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer bool isSigned = DivOpc == ISD::SDIV; 341883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3419525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 3420525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // See if remainder can be lowered using two-result operations. 3421525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman SDVTList VTs = DAG.getVTList(VT, VT); 3422525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::SREM && 3423525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SDIVREM, VT)) { 3424ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 1); 3425525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3426525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3427525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::UREM && 3428525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UDIVREM, VT)) { 3429ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 1); 3430525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3431525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3432525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 343383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isInteger()) { 3434525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (TLI.getOperationAction(DivOpc, VT) == 343552cc1ea2a1a374b58801398460a6289723089d91Evan Cheng TargetLowering::Legal) { 343652cc1ea2a1a374b58801398460a6289723089d91Evan Cheng // X % Y -> X-X/Y*Y 34376b5578f052c2405c0d622192ccacfd47563c99a8Evan Cheng Result = DAG.getNode(DivOpc, VT, Tmp1, Tmp2); 343852cc1ea2a1a374b58801398460a6289723089d91Evan Cheng Result = DAG.getNode(ISD::MUL, VT, Result, Tmp2); 343952cc1ea2a1a374b58801398460a6289723089d91Evan Cheng Result = DAG.getNode(ISD::SUB, VT, Tmp1, Result); 344083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (VT.isVector()) { 344180176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 344252cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } else { 3443525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman assert(VT == MVT::i32 && 344452cc1ea2a1a374b58801398460a6289723089d91Evan Cheng "Cannot expand this binary operator!"); 344556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = Node->getOpcode() == ISD::UREM 344656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng ? RTLIB::UREM_I32 : RTLIB::SREM_I32; 3447475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3448460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, isSigned, Dummy); 344952cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } 34500d97426b7b3d57cc3ff651a400b758733f2058a8Dan Gohman } else { 345183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isFloatingPoint() && 34520d97426b7b3d57cc3ff651a400b758733f2058a8Dan Gohman "remainder op must have integer or floating-point type"); 345383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 345480176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 345580176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman } else { 345680176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman // Floating point mod -> fmod libcall. 3457007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::REM_F32, RTLIB::REM_F64, 3458007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::REM_F80, RTLIB::REM_PPCF128); 3459475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3460460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 346180176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman } 3462c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman } 3463c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman break; 3464c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman } 3465525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3466c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman break; 3467acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAARG: { 3468acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3469acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3470acc398c195a697795bff3245943d104eb19192b9Nate Begeman 347183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3472acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { 3473acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3474456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3475456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3476456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3477acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3478c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3479c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = Result.getValue(0); 3480456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Result.getValue(1); 3481456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3482456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3483456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = TLI.LowerOperation(Result, DAG); 3484ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode()) { 3485456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Tmp2); 3486456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = LegalizeOp(Tmp2.getValue(1)); 3487456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3488456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3489acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3490acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: { 349169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); 3492475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); 3493acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Increment the pointer, VAList, to the next vaarg 34945c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, 34955c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands DAG.getConstant(TLI.getTargetData()->getABITypeSize(VT.getTypeForMVT()), 34965c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands TLI.getPointerTy())); 3497acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Store the incremented VAList to the legalized pointer 349869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); 3499acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Load the actual argument out of the pointer VAList 3500466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.getLoad(VT, Tmp3, VAList, NULL, 0); 3501456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = LegalizeOp(Result.getValue(1)); 3502acc398c195a697795bff3245943d104eb19192b9Nate Begeman Result = LegalizeOp(Result); 3503acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3504acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3505acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3506acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Since VAARG produces two values, make sure to remember that we 3507acc398c195a697795bff3245943d104eb19192b9Nate Begeman // legalized both of them. 3508475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result); 3509475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp1); 351099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp1 : Result; 3511acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3512acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3513acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VACOPY: 3514acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3515acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the dest pointer. 3516acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the source pointer. 3517acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3518acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VACOPY, MVT::Other)) { 3519acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3520456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3521456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3522456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3523acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3524c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, 3525c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Node->getOperand(3), Node->getOperand(4)); 3526456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3527456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3528ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3529456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3530acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3531acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: 3532acc398c195a697795bff3245943d104eb19192b9Nate Begeman // This defaults to loading a pointer from the input and storing it to the 3533acc398c195a697795bff3245943d104eb19192b9Nate Begeman // output, returning the chain. 353469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *VD = cast<SrcValueSDNode>(Node->getOperand(3))->getValue(); 353569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *VS = cast<SrcValueSDNode>(Node->getOperand(4))->getValue(); 3536499c1bd358917ad64ed3dcc32492dd38e1a47706Dan Gohman Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, VS, 0); 3537499c1bd358917ad64ed3dcc32492dd38e1a47706Dan Gohman Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, VD, 0); 3538acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3539acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3540acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3541acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3542acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAEND: 3543acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3544acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3545acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3546acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VAEND, MVT::Other)) { 3547acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3548456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3549456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3550456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3551acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3552c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3553456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3554456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Tmp1, DAG); 3555ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3556456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3557acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3558acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: 3559acc398c195a697795bff3245943d104eb19192b9Nate Begeman Result = Tmp1; // Default to a no-op, return the chain 3560acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3561acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3562acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3563acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3564acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VASTART: 3565acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3566acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3567acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3568c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3569c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner 3570acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VASTART, MVT::Other)) { 3571acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3572456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3573456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3574456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3575ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3576acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3577acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3578acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3579acc398c195a697795bff3245943d104eb19192b9Nate Begeman 358035ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman case ISD::ROTL: 358135ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman case ISD::ROTR: 358235ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 358335ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3584c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3585c9dc11457809b6641de853af2261721a97ad1f26Scott Michel switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3586c9dc11457809b6641de853af2261721a97ad1f26Scott Michel default: 3587c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "ROTL/ROTR legalize operation not supported"); 3588c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3589c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Legal: 3590c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3591c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Custom: 3592c9dc11457809b6641de853af2261721a97ad1f26Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3593ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3594c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3595c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Promote: 3596c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "Do not know how to promote ROTL/ROTR"); 3597c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3598c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Expand: 3599c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "Do not know how to expand ROTL/ROTR"); 3600c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3601c9dc11457809b6641de853af2261721a97ad1f26Scott Michel } 360235ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman break; 360335ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman 3604d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: 3605d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Op 3606d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3607456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3608456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner assert(0 && "Cannot custom legalize this yet!"); 3609456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 3610c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3611456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3612456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: { 361383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Tmp1.getValueType(); 361483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 361583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned DiffBits = NVT.getSizeInBits() - OVT.getSizeInBits(); 3616456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3617456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 3618456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::BSWAP, NVT, Tmp1); 3619456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRL, NVT, Tmp1, 3620456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner DAG.getConstant(DiffBits, TLI.getShiftAmountTy())); 3621456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3622456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3623456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Expand: 3624456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = ExpandBSWAP(Tmp1); 3625456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3626d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman } 3627d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 3628d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman 3629691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTPOP: 3630691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTTZ: 3631691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTLZ: 3632691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Op 3633691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3634910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel case TargetLowering::Custom: 3635691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Legal: 3636c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3637910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 3638335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel TargetLowering::Custom) { 3639335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3640ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 3641335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel Result = Tmp1; 3642335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel } 3643910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel } 3644691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3645691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Promote: { 364683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Tmp1.getValueType(); 364783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 3648edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 3649edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner // Zero extend the argument. 3650691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 3651691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth // Perform the larger operation, then subtract if needed. 3652691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1); 3653456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch (Node->getOpcode()) { 3654691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTPOP: 3655691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Result = Tmp1; 3656691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3657691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTTZ: 3658691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth //if Tmp1 == sizeinbits(NVT) then Tmp1 = sizeinbits(Old VT) 36595b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, 366083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits(), NVT), 36617cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETEQ); 366200b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SELECT, NVT, Tmp2, 366383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(OVT.getSizeInBits(), NVT), Tmp1); 3664691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3665691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTLZ: 3666456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Tmp1 = Tmp1 - (sizeinbits(NVT) - sizeinbits(Old VT)) 366700b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SUB, NVT, Tmp1, 366883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 366983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands OVT.getSizeInBits(), NVT)); 3670691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3671691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3672691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3673691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3674691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Expand: 3675456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = ExpandBitCount(Node->getOpcode(), Tmp1); 3676691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3677691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3678691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 367900b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen 36802c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Unary operators 36812c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FABS: 36822c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FNEG: 3683da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSQRT: 3684da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSIN: 3685da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FCOS: 36867794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 36877794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 36887794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 36897794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 36907794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 3691509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FTRUNC: 3692509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FFLOOR: 3693509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FCEIL: 3694509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FRINT: 3695509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FNEARBYINT: 36962c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 36972c8086f4b9916b2d02842be5e375276023225fbaChris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3698456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3699456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 370059ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng isCustom = true; 370159ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng // FALLTHROUGH 37022c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case TargetLowering::Legal: 3703c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 370459ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng if (isCustom) { 370559ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 3706ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 370759ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng } 37082c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 37092c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case TargetLowering::Expand: 3710456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch (Node->getOpcode()) { 3711456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner default: assert(0 && "Unreachable!"); 3712456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case ISD::FNEG: 37132c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Expand Y = FNEG(X) -> Y = SUB -0.0, X 37142c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp2 = DAG.getConstantFP(-0.0, Node->getValueType(0)); 3715456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::FSUB, Node->getValueType(0), Tmp2, Tmp1); 3716f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3717f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner case ISD::FABS: { 37184af6e0d7836126630f579b0a34f054321187f00bChris Lattner // Expand Y = FABS(X) -> Y = (X >u 0.0) ? X : fneg(X). 371983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 37204af6e0d7836126630f579b0a34f054321187f00bChris Lattner Tmp2 = DAG.getConstantFP(0.0, VT); 37215b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, 37225922f561c65968ef1865cc8434d191041e450602Nate Begeman ISD::SETUGT); 37234af6e0d7836126630f579b0a34f054321187f00bChris Lattner Tmp3 = DAG.getNode(ISD::FNEG, VT, Tmp1); 37244af6e0d7836126630f579b0a34f054321187f00bChris Lattner Result = DAG.getNode(ISD::SELECT, VT, Tmp2, Tmp1, Tmp3); 3725f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3726f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 37279d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FSQRT: 37289d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FSIN: 37299d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FCOS: 37307794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 37317794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 37327794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 37337794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 37347794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 37352bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 37362bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 37372bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 37382bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 37399d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FNEARBYINT: { 374083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3741826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3742826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Expand unsupported unary vector operators by unrolling them. 374383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 3744826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3745826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3746826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3747826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 374856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 3749f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner switch(Node->getOpcode()) { 375056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSQRT: 3751007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64, 3752007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128); 375356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 375456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSIN: 3755007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64, 3756007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SIN_F80, RTLIB::SIN_PPCF128); 375756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 375856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FCOS: 3759007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64, 3760007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::COS_F80, RTLIB::COS_PPCF128); 376156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 37627794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 37637794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64, 37647794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG_F80, RTLIB::LOG_PPCF128); 37657794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37667794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 37677794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64, 37687794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128); 37697794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37707794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 37717794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64, 37727794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128); 37737794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37747794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 37757794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64, 37767794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP_F80, RTLIB::EXP_PPCF128); 37777794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37787794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 37797794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64, 37807794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128); 37817794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37822bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 37832bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, 37842bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128); 37852bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37862bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 37872bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, 37882bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128); 37892bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37902bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 37912bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::CEIL_F32, RTLIB::CEIL_F64, 37922bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128); 37932bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37942bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 37952bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::RINT_F32, RTLIB::RINT_F64, 37962bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::RINT_F80, RTLIB::RINT_PPCF128); 37972bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37982bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 37992bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, 38002bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::NEARBYINT_F80, RTLIB::NEARBYINT_PPCF128); 38012bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 38029d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng break; 3803f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner default: assert(0 && "Unreachable!"); 3804f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 3805475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3806460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 3807f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3808f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 38092c8086f4b9916b2d02842be5e375276023225fbaChris Lattner } 38102c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 38112c8086f4b9916b2d02842be5e375276023225fbaChris Lattner } 38122c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 38136ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner case ISD::FPOWI: { 381483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3815826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3816826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Expand unsupported unary vector operators by unrolling them. 381783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 3818826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3819826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3820826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3821826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3822826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // We always lower FPOWI into a libcall. No target support for it yet. 3823007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64, 3824007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::POWI_F80, RTLIB::POWI_PPCF128); 3825475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3826460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 38276ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner break; 38286ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner } 382935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: 383067993f7b974cd17e4372a6b7b9f9cad5ed174df1Chris Lattner if (!isTypeLegal(Node->getOperand(0).getValueType())) { 38311401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 38321401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 383383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (Op.getOperand(0).getValueType().isVector()) { 38347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // The input has to be a vector type, we have to either scalarize it, pack 38357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // it, or convert it based on whether the input vector type is legal. 3836ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = Node->getOperand(0).getNode(); 383799a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = Node->getOperand(0).getResNo(); 383883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVal->getValueType(InIx).getVectorNumElements(); 383983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVal->getValueType(InIx).getVectorElementType(); 38407f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 38417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 38427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // type. If so, convert to the vector type. 384383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 38447f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 384507a96765daedf180a7102d39fe56c499878312b7Dan Gohman // Turn this into a bit convert of the vector input. 38467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), 38477f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LegalizeOp(Node->getOperand(0))); 38487f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 38497f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else if (NumElems == 1) { 38507f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Turn this into a bit convert of the scalar input. 38517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), 38527f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0))); 38537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 38547f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else { 38557f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // FIXME: UNIMP! Store then reload 38567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(0 && "Cast from unsupported vector type not implemented yet!"); 38577f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 385867993f7b974cd17e4372a6b7b9f9cad5ed174df1Chris Lattner } else { 385935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner switch (TLI.getOperationAction(ISD::BIT_CONVERT, 386035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Node->getOperand(0).getValueType())) { 386135481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner default: assert(0 && "Unknown operation action!"); 386235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case TargetLowering::Expand: 38631401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 38641401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 386535481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 386635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case TargetLowering::Legal: 386735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3868c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 386935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 387035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 387135481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 387235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 387377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 387477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 387577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (CvtCode) { 387677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang default: assert(0 && "Unknown cvt code!"); 387777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SF: 387877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_UF: 387977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FF: 38801cd46bbb1c6b1c3cb33bbbd3beb97f0c0373df80Mon P Wang break; 388177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FS: 388277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FU: 388377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SS: 388477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SU: 388577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_US: 388677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_UU: { 388777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOp = Node->getOperand(1); 388877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOp = Node->getOperand(2); 388977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 389077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 389177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (getTypeAction(Node->getOperand(0).getValueType())) { 389277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 389377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Legal: 389477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Tmp1 = LegalizeOp(Node->getOperand(0)); 389577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.UpdateNodeOperands(Result, Tmp1, DTyOp, STyOp, 389677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp); 389777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 389877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TargetLowering::Custom) { 389977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Tmp1 = TLI.LowerOperation(Result, DAG); 390077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang if (Tmp1.getNode()) Result = Tmp1; 390177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 390277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 390377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Promote: 390477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = PromoteOp(Node->getOperand(0)); 390577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // For FP, make Op1 a i32 390677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 39071cd46bbb1c6b1c3cb33bbbd3beb97f0c0373df80Mon P Wang Result = DAG.getConvertRndSat(Op.getValueType(), Result, 390877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DTyOp, STyOp, RndOp, SatOp, CvtCode); 390977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 391077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 391177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 391277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 391377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } // end switch CvtCode 391477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 391577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 39162c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Conversion operators. The source and destination have different types. 3917fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::SINT_TO_FP: 3918fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::UINT_TO_FP: { 3919fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP; 39207f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = LegalizeINT_TO_FP(Result, isSigned, 39217f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Node->getValueType(0), Node->getOperand(0)); 3922fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3923fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3924fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::TRUNCATE: 3925fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3926fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Legal: 3927fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3928546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3929546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel default: assert(0 && "Unknown TRUNCATE legalization operation action!"); 3930546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel case TargetLowering::Custom: 3931546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel isCustom = true; 3932546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel // FALLTHROUGH 3933546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel case TargetLowering::Legal: 3934546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel Result = DAG.UpdateNodeOperands(Result, Tmp1); 3935546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel if (isCustom) { 3936546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3937546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel if (Tmp1.getNode()) Result = Tmp1; 3938546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel } 3939546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584Scott Michel break; 3940b0a5cdd4511d02afacd0cd39223cf6c52a6ef361Tilmann Scheller } 3941fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3942fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Expand: 3943fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 3944fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner 3945fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner // Since the result is legal, we should just be able to truncate the low 3946fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner // part of the source. 3947fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), Tmp1); 3948fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3949fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Promote: 3950fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = PromoteOp(Node->getOperand(0)); 3951fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, Op.getValueType(), Result); 3952fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3953fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3954fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3955d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 3956fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::FP_TO_SINT: 3957fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::FP_TO_UINT: 3958fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3959fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Legal: 3960f1fa74ee0d30dfdb854f7d3f5ee67437cc82e250Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3961f1fa74ee0d30dfdb854f7d3f5ee67437cc82e250Chris Lattner 39621618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))){ 39631618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner default: assert(0 && "Unknown operation action!"); 3964456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3965456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3966456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3967456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 3968c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3969456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3970456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3971ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3972456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3973456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3974456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3975456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = PromoteLegalFP_TO_INT(Tmp1, Node->getValueType(0), 3976456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Node->getOpcode() == ISD::FP_TO_SINT); 3977456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 39781618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner case TargetLowering::Expand: 3979d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman if (Node->getOpcode() == ISD::FP_TO_UINT) { 3980475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue True, False; 398183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getOperand(0).getValueType(); 398283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = Node->getValueType(0); 398373328d14acba0144f121b557ce0e1539c6a21a18Dale Johannesen const uint64_t zero[] = {0, 0}; 398483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands APFloat apf = APFloat(APInt(VT.getSizeInBits(), 2, zero)); 398583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands APInt x = APInt::getSignBit(NVT.getSizeInBits()); 3986c7773bf90ee4398ccdeb847db6330cf4507b832bDan Gohman (void)apf.convertFromAPInt(x, false, APFloat::rmNearestTiesToEven); 398773328d14acba0144f121b557ce0e1539c6a21a18Dale Johannesen Tmp2 = DAG.getConstantFP(apf, VT); 39885b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp3 = DAG.getSetCC(TLI.getSetCCResultType(Node->getOperand(0)), 3989d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Node->getOperand(0), Tmp2, ISD::SETLT); 3990d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman True = DAG.getNode(ISD::FP_TO_SINT, NVT, Node->getOperand(0)); 3991d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman False = DAG.getNode(ISD::FP_TO_SINT, NVT, 399201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner DAG.getNode(ISD::FSUB, VT, Node->getOperand(0), 3993d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Tmp2)); 3994d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman False = DAG.getNode(ISD::XOR, NVT, False, 3995c7773bf90ee4398ccdeb847db6330cf4507b832bDan Gohman DAG.getConstant(x, NVT)); 3996456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SELECT, NVT, Tmp3, True, False); 3997456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3998d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } else { 3999d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman assert(0 && "Do not know how to expand FP_TO_SINT yet!"); 4000d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } 4001d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman break; 40021618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner } 4003fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 40046af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng case Expand: { 400583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 400683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getOperand(0).getValueType(); 4007fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // Convert ppcf128 to i32 40086eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen if (OVT == MVT::ppcf128 && VT == MVT::i32) { 40090bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (Node->getOpcode() == ISD::FP_TO_SINT) { 40100bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, MVT::ppcf128, 40110bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(0), DAG.getValueType(MVT::f64)); 40120bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, MVT::f64, Result, 40130bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(1)); 40140bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_TO_SINT, VT, Result); 40150bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } else { 4016fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen const uint64_t TwoE31[] = {0x41e0000000000000LL, 0}; 4017fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen APFloat apf = APFloat(APInt(128, 2, TwoE31)); 4018fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Tmp2 = DAG.getConstantFP(apf, OVT); 4019fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // X>=2^31 ? (int)(X-2^31)+0x80000000 : (int)X 4020fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // FIXME: generated code sucks. 4021fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Result = DAG.getNode(ISD::SELECT_CC, VT, Node->getOperand(0), Tmp2, 4022fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::ADD, MVT::i32, 4023fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_TO_SINT, VT, 4024fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FSUB, OVT, 4025fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Node->getOperand(0), Tmp2)), 4026fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getConstant(0x80000000, MVT::i32)), 4027fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_TO_SINT, VT, 4028fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Node->getOperand(0)), 4029fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getCondCode(ISD::SETGE)); 4030fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen } 40316eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen break; 40326eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen } 4033a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman // Convert f32 / f64 to i32 / i64 / i128. 4034b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = (Node->getOpcode() == ISD::FP_TO_SINT) ? 4035b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getFPTOSINT(OVT, VT) : RTLIB::getFPTOUINT(OVT, VT); 4036b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpectd fp-to-int conversion!"); 4037475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 4038460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 40396af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng break; 40406af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng } 4041fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Promote: 4042c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4043c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, LegalizeOp(Tmp1)); 4044c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = LegalizeOp(Result); 4045fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 4046fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 4047fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 4048d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 4049f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case ISD::FP_EXTEND: { 405083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT DstVT = Op.getValueType(); 405183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Op.getOperand(0).getValueType(); 40520bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TLI.getConvertAction(SrcVT, DstVT) == TargetLowering::Expand) { 40530bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // The only other way we can lower this is to turn it into a STORE, 40540bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // LOAD pair, targetting a temporary location (a stack slot). 40550bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = EmitStackConvert(Node->getOperand(0), SrcVT, DstVT); 40560bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 4057f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4058f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4059f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 4060f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Legal: 4061f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 4062f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 4063f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4064f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Promote: 4065f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4066f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Result = DAG.getNode(ISD::FP_EXTEND, Op.getValueType(), Tmp1); 4067f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4068f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4069f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 40700bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 40715411a3937f4303f9c3fc50be92f985a4532d95e6Dale Johannesen case ISD::FP_ROUND: { 407283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT DstVT = Op.getValueType(); 407383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Op.getOperand(0).getValueType(); 40740bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TLI.getConvertAction(SrcVT, DstVT) == TargetLowering::Expand) { 40750bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (SrcVT == MVT::ppcf128) { 4076475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo; 4077713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen ExpandOp(Node->getOperand(0), Lo, Result); 40780bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Round it the rest of the way (e.g. to f32) if needed. 4079713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen if (DstVT!=MVT::f64) 4080713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen Result = DAG.getNode(ISD::FP_ROUND, DstVT, Result, Op.getOperand(1)); 40810bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 40825411a3937f4303f9c3fc50be92f985a4532d95e6Dale Johannesen } 40830bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // The only other way we can lower this is to turn it into a STORE, 40840bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // LOAD pair, targetting a temporary location (a stack slot). 40850bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = EmitStackConvert(Node->getOperand(0), DstVT, DstVT); 40860bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 4087849f214a4e3676e41168b0c5398165c4d4fb99f8Dale Johannesen } 4088f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4089f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 4090f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Legal: 4091f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 40920bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 4093f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4094f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Promote: 4095f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 40960bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, Op.getValueType(), Tmp1, 40970bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(1)); 4098f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4099f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4100f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 41010bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 410213c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 41033e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ZERO_EXTEND: 41043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SIGN_EXTEND: 41053e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4106456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 41073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 41083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 410982747a54849d22c3a0b7c3b56399da9b9e020ee0Scott Michel Result = DAG.UpdateNodeOperands(Result, Tmp1); 41100123b7dcfa9be97588926407163deb8d603487ceScott Michel if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 41110123b7dcfa9be97588926407163deb8d603487ceScott Michel TargetLowering::Custom) { 411282747a54849d22c3a0b7c3b56399da9b9e020ee0Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 4113ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 41140123b7dcfa9be97588926407163deb8d603487ceScott Michel } 41153e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 411603c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Promote: 411703c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (Node->getOpcode()) { 411813c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 4119c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4120c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Tmp1); 412113c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner break; 41221713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner case ISD::ZERO_EXTEND: 41231713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = PromoteOp(Node->getOperand(0)); 412413c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Result); 412523993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 412623993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 412703c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 412803c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::SIGN_EXTEND: 41291713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = PromoteOp(Node->getOperand(0)); 413013c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Result); 41311713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 413215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result, 413315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 41341713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner break; 413503c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 41363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 41373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 41380f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::FP_ROUND_INREG: 413923993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner case ISD::SIGN_EXTEND_INREG: { 41400f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 414183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = cast<VTSDNode>(Node->getOperand(1))->getVT(); 414245b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner 414345b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // If this operation is not supported, convert it to a shl/shr or load/store 414445b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // pair. 414555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), ExtraVT)) { 414655ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner default: assert(0 && "This action not supported for this op yet!"); 414755ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Legal: 4148c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 414955ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 415055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Expand: 415145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // If this is an integer extend and shifts are supported, do that. 415223993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner if (Node->getOpcode() == ISD::SIGN_EXTEND_INREG) { 415345b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // NOTE: we could fall back on load/store here too for targets without 415445b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // SAR. However, it is doubtful that any exist. 415583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned BitsDiff = Node->getValueType(0).getSizeInBits() - 415683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands ExtraVT.getSizeInBits(); 4157475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftCst = DAG.getConstant(BitsDiff, TLI.getShiftAmountTy()); 415845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result = DAG.getNode(ISD::SHL, Node->getValueType(0), 415945b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Node->getOperand(0), ShiftCst); 416045b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result = DAG.getNode(ISD::SRA, Node->getValueType(0), 416145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result, ShiftCst); 416245b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } else if (Node->getOpcode() == ISD::FP_ROUND_INREG) { 41632d84c4c7b314242346dea1a7f48563333476a4d5Jim Laskey // The only way we can lower this is to turn it into a TRUNCSTORE, 416445b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // EXTLOAD pair, targetting a temporary location (a stack slot). 416545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner 416645b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // NOTE: there is a choice here between constantly creating new stack 416745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // slots and always reusing the same one. We currently always create 416845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // new ones, as reuse may inhibit scheduling. 4169a66bb39e9779ce17b7d16e311f4b73fddb2ede2fChris Lattner Result = EmitStackConvert(Node->getOperand(0), ExtraVT, 4170a66bb39e9779ce17b7d16e311f4b73fddb2ede2fChris Lattner Node->getValueType(0)); 417145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } else { 417245b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner assert(0 && "Unknown op"); 417345b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 417455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 417545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 41760f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner break; 41773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 417836397f50343639ce9a25996f2d790c656791ab92Duncan Sands case ISD::TRAMPOLINE: { 4179475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[6]; 418036397f50343639ce9a25996f2d790c656791ab92Duncan Sands for (unsigned i = 0; i != 6; ++i) 418136397f50343639ce9a25996f2d790c656791ab92Duncan Sands Ops[i] = LegalizeOp(Node->getOperand(i)); 418236397f50343639ce9a25996f2d790c656791ab92Duncan Sands Result = DAG.UpdateNodeOperands(Result, Ops, 6); 418336397f50343639ce9a25996f2d790c656791ab92Duncan Sands // The only option for this node is to custom lower it. 418436397f50343639ce9a25996f2d790c656791ab92Duncan Sands Result = TLI.LowerOperation(Result, DAG); 4185ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode() && "Should always custom lower!"); 4186f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands 4187f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // Since trampoline produces two values, make sure to remember that we 4188f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // legalized both of them. 4189f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands Tmp1 = LegalizeOp(Result.getValue(1)); 4190f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands Result = LegalizeOp(Result); 4191475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result); 4192475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp1); 419399a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp1 : Result; 419436397f50343639ce9a25996f2d790c656791ab92Duncan Sands } 41959c78a399076f8356a53ee67dca9c78e594e34967Dan Gohman case ISD::FLT_ROUNDS_: { 419683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 4197917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 4198917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov default: assert(0 && "This action not supported for this op yet!"); 4199917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov case TargetLowering::Custom: 4200917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 4201ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 4202917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // Fall Thru 4203917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov case TargetLowering::Legal: 4204917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // If this operation is not supported, lower it to constant 1 4205917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov Result = DAG.getConstant(1, VT); 4206917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov break; 4207917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov } 42089ab9ee8209c313713a54db2d9451751d8cfb9e2aDan Gohman break; 4209917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov } 421041bab0beac2600701af99f63e23a6b65f71468acChris Lattner case ISD::TRAP: { 421183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 421266fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 421366fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov default: assert(0 && "This action not supported for this op yet!"); 421441bab0beac2600701af99f63e23a6b65f71468acChris Lattner case TargetLowering::Legal: 421541bab0beac2600701af99f63e23a6b65f71468acChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 421641bab0beac2600701af99f63e23a6b65f71468acChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 421741bab0beac2600701af99f63e23a6b65f71468acChris Lattner break; 421866fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov case TargetLowering::Custom: 421966fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 4220ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 422166fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // Fall Thru 422241bab0beac2600701af99f63e23a6b65f71468acChris Lattner case TargetLowering::Expand: 422366fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // If this operation is not supported, lower it to 'abort()' call 422441bab0beac2600701af99f63e23a6b65f71468acChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 422566fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov TargetLowering::ArgListTy Args; 4226475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::pair<SDValue,SDValue> CallResult = 422700fee65fd21f9615d1a604b8b7d42cd16a3f6b47Duncan Sands TLI.LowerCallTo(Tmp1, Type::VoidTy, 422886098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen false, false, false, false, CallingConv::C, false, 4229056292fd738924f3f7703725d8f630983794b5a5Bill Wendling DAG.getExternalSymbol("abort", TLI.getPointerTy()), 4230034f12ea0864a9cca0a74715d6fb06a8bf1dc775Chris Lattner Args, DAG); 423166fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov Result = CallResult.second; 423266fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov break; 423366fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov } 423441bab0beac2600701af99f63e23a6b65f71468acChris Lattner break; 423566fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov } 42368ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling 423774c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case ISD::SADDO: 423874c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case ISD::SSUBO: { 4239c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling MVT VT = Node->getValueType(0); 4240c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 4241c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling default: assert(0 && "This action not supported for this op yet!"); 4242c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling case TargetLowering::Custom: 4243c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling Result = TLI.LowerOperation(Op, DAG); 4244c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling if (Result.getNode()) break; 4245c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling // FALLTHROUGH 4246c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling case TargetLowering::Legal: { 4247c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue LHS = LegalizeOp(Node->getOperand(0)); 4248c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue RHS = LegalizeOp(Node->getOperand(1)); 4249c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 425074c376529101acbe141a256d0bf23a44eb454c84Bill Wendling SDValue Sum = DAG.getNode(Node->getOpcode() == ISD::SADDO ? 425174c376529101acbe141a256d0bf23a44eb454c84Bill Wendling ISD::ADD : ISD::SUB, LHS.getValueType(), 425274c376529101acbe141a256d0bf23a44eb454c84Bill Wendling LHS, RHS); 4253c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling MVT OType = Node->getValueType(1); 4254c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4255a6af91ae124d0713cfabcea8c5f508091dd7a556Bill Wendling SDValue Zero = DAG.getConstant(0, LHS.getValueType()); 4256c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4257740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // LHSSign -> LHS >= 0 4258740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // RHSSign -> RHS >= 0 4259740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // SumSign -> Sum >= 0 4260740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // 426174c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // Add: 4262740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // Overflow -> (LHSSign == RHSSign) && (LHSSign != SumSign) 426374c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // Sub: 426474c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // Overflow -> (LHSSign != RHSSign) && (LHSSign != SumSign) 4265740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling // 4266740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue LHSSign = DAG.getSetCC(OType, LHS, Zero, ISD::SETGE); 4267740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue RHSSign = DAG.getSetCC(OType, RHS, Zero, ISD::SETGE); 426874c376529101acbe141a256d0bf23a44eb454c84Bill Wendling SDValue SignsMatch = DAG.getSetCC(OType, LHSSign, RHSSign, 426974c376529101acbe141a256d0bf23a44eb454c84Bill Wendling Node->getOpcode() == ISD::SADDO ? 427074c376529101acbe141a256d0bf23a44eb454c84Bill Wendling ISD::SETEQ : ISD::SETNE); 4271740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling 4272740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue SumSign = DAG.getSetCC(OType, Sum, Zero, ISD::SETGE); 4273740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling SDValue SumSignNE = DAG.getSetCC(OType, LHSSign, SumSign, ISD::SETNE); 4274740464e6164e503f3c01d2b13a52c0261042abe0Bill Wendling 427574c376529101acbe141a256d0bf23a44eb454c84Bill Wendling SDValue Cmp = DAG.getNode(ISD::AND, OType, SignsMatch, SumSignNE); 4276c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4277c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling MVT ValueVTs[] = { LHS.getValueType(), OType }; 4278c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDValue Ops[] = { Sum, Cmp }; 4279c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4280aaffa05d0a652dd3eae76a941d02d6b0469fa821Duncan Sands Result = DAG.getNode(ISD::MERGE_VALUES, DAG.getVTList(&ValueVTs[0], 2), 4281aaffa05d0a652dd3eae76a941d02d6b0469fa821Duncan Sands &Ops[0], 2); 4282c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling SDNode *RNode = Result.getNode(); 4283c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 0), SDValue(RNode, 0)); 4284c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(RNode, 1)); 4285c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling break; 4286c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling } 4287c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling } 4288c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling 4289c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling break; 4290c0062fb7557c9f4eb66b7d8fa7b6b0c765e579b8Bill Wendling } 429174c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case ISD::UADDO: 429274c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case ISD::USUBO: { 429341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling MVT VT = Node->getValueType(0); 429441ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 429541ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling default: assert(0 && "This action not supported for this op yet!"); 429641ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling case TargetLowering::Custom: 429741ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling Result = TLI.LowerOperation(Op, DAG); 429841ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling if (Result.getNode()) break; 429941ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling // FALLTHROUGH 430041ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling case TargetLowering::Legal: { 430141ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue LHS = LegalizeOp(Node->getOperand(0)); 430241ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue RHS = LegalizeOp(Node->getOperand(1)); 430341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 430474c376529101acbe141a256d0bf23a44eb454c84Bill Wendling SDValue Sum = DAG.getNode(Node->getOpcode() == ISD::UADDO ? 430574c376529101acbe141a256d0bf23a44eb454c84Bill Wendling ISD::ADD : ISD::SUB, LHS.getValueType(), 430674c376529101acbe141a256d0bf23a44eb454c84Bill Wendling LHS, RHS); 430741ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling MVT OType = Node->getValueType(1); 430874c376529101acbe141a256d0bf23a44eb454c84Bill Wendling SDValue Cmp = DAG.getSetCC(OType, Sum, LHS, 430974c376529101acbe141a256d0bf23a44eb454c84Bill Wendling Node->getOpcode () == ISD::UADDO ? 431074c376529101acbe141a256d0bf23a44eb454c84Bill Wendling ISD::SETULT : ISD::SETUGT); 431141ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 431241ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling MVT ValueVTs[] = { LHS.getValueType(), OType }; 431341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDValue Ops[] = { Sum, Cmp }; 431441ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 4315aaffa05d0a652dd3eae76a941d02d6b0469fa821Duncan Sands Result = DAG.getNode(ISD::MERGE_VALUES, DAG.getVTList(&ValueVTs[0], 2), 4316aaffa05d0a652dd3eae76a941d02d6b0469fa821Duncan Sands &Ops[0], 2); 431741ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling SDNode *RNode = Result.getNode(); 431841ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 0), SDValue(RNode, 0)); 431941ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(RNode, 1)); 432041ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling break; 432141ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling } 432241ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling } 432341ea7e7eb3a6a269f2bfed0bdc191ea046d18e5eBill Wendling 43248ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling break; 43258ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling } 432674c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case ISD::SMULO: 432774c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case ISD::UMULO: { 432874c376529101acbe141a256d0bf23a44eb454c84Bill Wendling MVT VT = Node->getValueType(0); 432974c376529101acbe141a256d0bf23a44eb454c84Bill Wendling switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 433074c376529101acbe141a256d0bf23a44eb454c84Bill Wendling default: assert(0 && "This action is not supported at all!"); 433174c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case TargetLowering::Custom: 433274c376529101acbe141a256d0bf23a44eb454c84Bill Wendling Result = TLI.LowerOperation(Op, DAG); 433374c376529101acbe141a256d0bf23a44eb454c84Bill Wendling if (Result.getNode()) break; 433474c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // Fall Thru 433574c376529101acbe141a256d0bf23a44eb454c84Bill Wendling case TargetLowering::Legal: 433674c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // FIXME: According to Hacker's Delight, this can be implemented in 433774c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // target independent lowering, but it would be inefficient, since it 433874c376529101acbe141a256d0bf23a44eb454c84Bill Wendling // requires a division + a branch 433974c376529101acbe141a256d0bf23a44eb454c84Bill Wendling assert(0 && "Target independent lowering is not supported for SMULO/UMULO!"); 434074c376529101acbe141a256d0bf23a44eb454c84Bill Wendling break; 434174c376529101acbe141a256d0bf23a44eb454c84Bill Wendling } 434274c376529101acbe141a256d0bf23a44eb454c84Bill Wendling break; 434374c376529101acbe141a256d0bf23a44eb454c84Bill Wendling } 434474c376529101acbe141a256d0bf23a44eb454c84Bill Wendling 434545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 4346456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 43474ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner assert(Result.getValueType() == Op.getValueType() && 43484ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner "Bad legalization!"); 43494ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner 4350456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Make sure that the generated code is itself legal. 4351456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (Result != Op) 4352456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Result); 43533e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 435445982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // Note that LegalizeOp may be reentered even from single-use nodes, which 435545982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // means that we always must cache transformed nodes. 435645982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner AddLegalizedOperand(Op, Result); 43573e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner return Result; 43583e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 43593e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 43608b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// PromoteOp - Given an operation that produces a value in an invalid type, 43618b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// promote it to compute the value into a larger type. The produced value will 43628b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// have the correct bits for the low portion of the register, but no guarantee 43638b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// is made about the top bits: it may be zero, sign-extended, or garbage. 4364475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteOp(SDValue Op) { 436583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 436683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 436703c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(getTypeAction(VT) == Promote && 436803c8546ec57523970874917854a2fb77b1ff598eChris Lattner "Caller should expand or legalize operands that are not promotable!"); 43698e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(NVT.bitsGT(VT) && NVT.isInteger() == VT.isInteger() && 437003c8546ec57523970874917854a2fb77b1ff598eChris Lattner "Cannot promote to smaller type!"); 437103c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4372475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3; 4373475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 4374ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 437503c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4376475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = PromotedNodes.find(Op); 43776fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner if (I != PromotedNodes.end()) return I->second; 437845982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner 437903c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (Node->getOpcode()) { 4380d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner case ISD::CopyFromReg: 4381d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner assert(0 && "CopyFromReg must be legal!"); 438203c8546ec57523970874917854a2fb77b1ff598eChris Lattner default: 4383e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 438439833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 4385e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 438603c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(0 && "Do not know how to promote this operator!"); 438703c8546ec57523970874917854a2fb77b1ff598eChris Lattner abort(); 4388fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: 4389fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Result = DAG.getNode(ISD::UNDEF, NVT); 4390fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 439103c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::Constant: 4392ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner if (VT != MVT::i1) 4393ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND, NVT, Op); 4394ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner else 4395ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner Result = DAG.getNode(ISD::ZERO_EXTEND, NVT, Op); 439603c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isa<ConstantSDNode>(Result) && "Didn't constant fold zext?"); 439703c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 439803c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::ConstantFP: 439903c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = DAG.getNode(ISD::FP_EXTEND, NVT, Op); 440003c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isa<ConstantFPSDNode>(Result) && "Didn't constant fold fp_extend?"); 440103c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 4402ef5cd1d3cf7d0b20987a545fcd2d0af2bfe6c422Chris Lattner 440382fbfb6984c1feb7d44a077ac2dc031f4a950005Chris Lattner case ISD::SETCC: 44045b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel assert(isTypeLegal(TLI.getSetCCResultType(Node->getOperand(0))) 44055922f561c65968ef1865cc8434d191041e450602Nate Begeman && "SetCC type is not legal??"); 44065b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result = DAG.getNode(ISD::SETCC, 44075922f561c65968ef1865cc8434d191041e450602Nate Begeman TLI.getSetCCResultType(Node->getOperand(0)), 44085922f561c65968ef1865cc8434d191041e450602Nate Begeman Node->getOperand(0), Node->getOperand(1), 44095922f561c65968ef1865cc8434d191041e450602Nate Begeman Node->getOperand(2)); 441082fbfb6984c1feb7d44a077ac2dc031f4a950005Chris Lattner break; 4411fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner 441203c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::TRUNCATE: 441303c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 441403c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Legal: 441503c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = LegalizeOp(Node->getOperand(0)); 44168e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(Result.getValueType().bitsGE(NVT) && 441703c8546ec57523970874917854a2fb77b1ff598eChris Lattner "This truncation doesn't make sense!"); 44188e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands if (Result.getValueType().bitsGT(NVT)) // Truncate to NVT instead of VT 441903c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, NVT, Result); 442003c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 4421e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner case Promote: 4422e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner // The truncation is not required, because we don't guarantee anything 4423e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner // about high bits anyway. 4424e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner Result = PromoteOp(Node->getOperand(0)); 4425e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner break; 442603c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Expand: 442779e46acd35df36477029e9f534ab1a366a98df56Nate Begeman ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 442879e46acd35df36477029e9f534ab1a366a98df56Nate Begeman // Truncate the low part of the expanded value to the result type 4429e21c305ed85b2be4a27784ba52471f6b68fdd255Chris Lattner Result = DAG.getNode(ISD::TRUNCATE, NVT, Tmp1); 443003c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 443103c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 44328b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SIGN_EXTEND: 44338b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::ZERO_EXTEND: 443413c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 44358b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 44368b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: assert(0 && "BUG: Smaller reg should have been promoted!"); 44378b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 44388b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Input is legal? Just do extend all the way to the larger type. 4439456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Node->getOperand(0)); 44408b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44418b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 44428b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Promote the reg if it's smaller. 44438b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = PromoteOp(Node->getOperand(0)); 44448b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The high bits are not guaranteed to be anything. Insert an extend. 44458b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner if (Node->getOpcode() == ISD::SIGN_EXTEND) 4446595dc5408ad809b9a9a417db275c43242e54b8dcChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 444715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 444813c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner else if (Node->getOpcode() == ISD::ZERO_EXTEND) 444923993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 445023993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 44518b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44528b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 44538b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 445477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 445577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 445677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert ((CvtCode == ISD::CVT_SS || CvtCode == ISD::CVT_SU || 445777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode == ISD::CVT_US || CvtCode == ISD::CVT_UU || 445877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode == ISD::CVT_SF || CvtCode == ISD::CVT_UF) && 445977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang "can only promote integers"); 446077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(NVT, Node->getOperand(0), 446177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(1), Node->getOperand(2), 446277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(3), Node->getOperand(4), 446377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode); 446477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 446577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 446677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 446735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: 44681401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 44691401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 447035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Result = PromoteOp(Result); 447135481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 447235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 44738b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_EXTEND: 44748b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner assert(0 && "Case not implemented. Dynamically dead with 2 FP types!"); 44758b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_ROUND: 44768b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 44778b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: assert(0 && "BUG: Cannot expand FP regs!"); 44788b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: assert(0 && "Unreachable with 2 FP types!"); 44798b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 44800bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (Node->getConstantOperandVal(1) == 0) { 44810bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Input is legal? Do an FP_ROUND_INREG. 44820bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Node->getOperand(0), 44830bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getValueType(VT)); 44840bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } else { 44850bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Just remove the truncate, it isn't affecting the value. 44860bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, NVT, Node->getOperand(0), 44870bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(1)); 44880bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 44898b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44908b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 44918b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44928b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SINT_TO_FP: 44938b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UINT_TO_FP: 44948b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 44958b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 449677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // No extra round required here. 4497456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Node->getOperand(0)); 44988b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44998b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 45008b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 45018b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = PromoteOp(Node->getOperand(0)); 45028b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner if (Node->getOpcode() == ISD::SINT_TO_FP) 45038b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 450415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result, 450515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 45068b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner else 450723993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 450823993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 450977e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // No extra round required here. 451077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Result); 45118b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 45128b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: 451377e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Result = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, NVT, 451477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Node->getOperand(0)); 451577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // Round if we cannot tolerate excess precision. 451677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner if (NoExcessFPPrecision) 451715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 451815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 451977e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner break; 45208b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 45218b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 45228b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 45235e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner case ISD::SIGN_EXTEND_INREG: 45245e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Result = PromoteOp(Node->getOperand(0)); 45255e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 45265e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Node->getOperand(1)); 45275e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner break; 45288b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_TO_SINT: 45298b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_TO_UINT: 45308b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 45318b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 45320b1b9dcf22745b533562134c2f0472098fe085fdEvan Cheng case Expand: 4533456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Node->getOperand(0); 45348b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 45358b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 45368b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input result is prerounded, so we don't have to do anything 45378b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // special. 45388b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45398b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 45408b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 4541d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // If we're promoting a UINT to a larger size, check to see if the new node 4542d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // will be legal. If it isn't, check to see if FP_TO_SINT is legal, since 4543d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // we can use that instead. This allows us to generate better code for 4544d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // FP_TO_UINT for small destination sizes on targets where FP_TO_UINT is not 4545d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // legal, such as PowerPC. 4546d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman if (Node->getOpcode() == ISD::FP_TO_UINT && 4547c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner !TLI.isOperationLegal(ISD::FP_TO_UINT, NVT) && 4548b7f6ef12f682c7068ca7513e088177a0d1046b35Nate Begeman (TLI.isOperationLegal(ISD::FP_TO_SINT, NVT) || 4549b7f6ef12f682c7068ca7513e088177a0d1046b35Nate Begeman TLI.getOperationAction(ISD::FP_TO_SINT, NVT)==TargetLowering::Custom)){ 4550d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Result = DAG.getNode(ISD::FP_TO_SINT, NVT, Tmp1); 4551d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } else { 4552d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4553d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } 45548b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 45558b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 45562c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FABS: 45572c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FNEG: 45582c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45592c8086f4b9916b2d02842be5e375276023225fbaChris Lattner assert(Tmp1.getValueType() == NVT); 45602c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 45612c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // NOTE: we do not have to do any extra rounding here for 45622c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // NoExcessFPPrecision, because we know the input will have the appropriate 45632c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // precision, and these operations don't modify precision at all. 45642c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 45652c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 45667794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 45677794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 45687794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 45697794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 45707794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 4571da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSQRT: 4572da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSIN: 4573da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FCOS: 45742bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 45752bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 45762bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 45772bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 45782bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 4579da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4580da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner assert(Tmp1.getValueType() == NVT); 4581da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4582456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (NoExcessFPPrecision) 458315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 458415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 4585da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner break; 4586da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner 45879d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOW: 45888b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner case ISD::FPOWI: { 45899d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng // Promote f32 pow(i) to f64 pow(i). Note that this could insert a libcall 45908b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner // directly as well, which may be better. 45918b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45929d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Tmp2 = Node->getOperand(1); 45939d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng if (Node->getOpcode() == ISD::FPOW) 45949d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Tmp2 = PromoteOp(Tmp2); 45958b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner assert(Tmp1.getValueType() == NVT); 45969d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 45978b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner if (NoExcessFPPrecision) 45988b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 45998b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner DAG.getValueType(VT)); 46008b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner break; 46018b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner } 46028b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner 4603e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_8: 4604e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_16: 4605e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_32: 4606e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 460728873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node); 4608ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp2 = PromoteOp(Node->getOperand(2)); 4609ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp3 = PromoteOp(Node->getOperand(3)); 461028873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 461128873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getBasePtr(), Tmp2, Tmp3, 4612fd4418fc9b4725c44210c169c4d6500be468ca70Dan Gohman AtomNode->getSrcValue(), 461328873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getAlignment()); 4614ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Remember that we legalized the chain. 4615ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 4616ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 4617ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 4618e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_8: 4619e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_8: 4620e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_8: 4621e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_8: 4622e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_8: 4623e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_8: 4624e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_8: 4625e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_8: 4626e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_8: 4627e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_8: 4628e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_8: 4629e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_16: 4630e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_16: 4631e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_16: 4632e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_16: 4633e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_16: 4634e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_16: 4635e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_16: 4636e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_16: 4637e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_16: 4638e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_16: 4639e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_16: 4640e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_32: 4641e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_32: 4642e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_32: 4643e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_32: 4644e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_32: 4645e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_32: 4646e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_32: 4647e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_32: 4648e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_32: 4649e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_32: 4650e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_32: 4651e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 4652e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 4653e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 4654e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 4655e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 4656e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 4657e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_64: 4658e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_64: 4659e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_64: 4660e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_64: 4661e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_64: { 466228873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node); 4663ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp2 = PromoteOp(Node->getOperand(2)); 466428873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 466528873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getBasePtr(), Tmp2, 4666fd4418fc9b4725c44210c169c4d6500be468ca70Dan Gohman AtomNode->getSrcValue(), 466728873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getAlignment()); 4668ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Remember that we legalized the chain. 4669ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 4670ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 4671ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 4672ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 467303c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::AND: 467403c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::OR: 467503c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::XOR: 46760f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::ADD: 46778b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SUB: 46780f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::MUL: 46790f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner // The input may have strange things in the top bits of the registers, but 468001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // these operations don't care. They may have weird bits going out, but 46810f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner // that too is okay if they are integer operations. 46820f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 46830f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 46840f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); 46850f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 468601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner break; 468701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FADD: 468801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FSUB: 468901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FMUL: 469001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 469101b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 469201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); 469301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 469401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner 469501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // Floating point operations will give excess precision that we may not be 469601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // able to tolerate. If we DO allow excess precision, just leave it, 469701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // otherwise excise it. 46988b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // FIXME: Why would we need to round FP ops more than integer ones? 46998b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Is Round(Add(Add(A,B),C)) != Round(Add(Round(Add(A,B)), C)) 470001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner if (NoExcessFPPrecision) 470115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 470215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 47030f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner break; 47040f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner 47058b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SDIV: 47068b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SREM: 47078b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // These operators require that their input be sign extended. 47088b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 47098b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 471083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NVT.isInteger()) { 471115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 471215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 471315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2, 471415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 47158b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 47168b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 47178b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 47188b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Perform FP_ROUND: this is probably overly pessimistic. 471983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NVT.isFloatingPoint() && NoExcessFPPrecision) 472015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 472115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 47228b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 472301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FDIV: 472401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FREM: 4725a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case ISD::FCOPYSIGN: 472601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // These operators require that their input be fp extended. 4727ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman switch (getTypeAction(Node->getOperand(0).getValueType())) { 47280bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Expand: assert(0 && "not implemented"); 47290bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Legal: Tmp1 = LegalizeOp(Node->getOperand(0)); break; 47300bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Promote: Tmp1 = PromoteOp(Node->getOperand(0)); break; 4731ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman } 4732ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 47330bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Expand: assert(0 && "not implemented"); 47340bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Legal: Tmp2 = LegalizeOp(Node->getOperand(1)); break; 47350bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); break; 4736ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman } 473701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 473801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner 473901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // Perform FP_ROUND: this is probably overly pessimistic. 4740a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner if (NoExcessFPPrecision && Node->getOpcode() != ISD::FCOPYSIGN) 474101b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 474201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner DAG.getValueType(VT)); 474301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner break; 47448b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 47458b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UDIV: 47468b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UREM: 47478b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // These operators require that their input be zero extended. 47488b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 47498b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 475083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NVT.isInteger() && "Operators don't apply to FP!"); 475123993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 475223993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp2 = DAG.getZeroExtendInReg(Tmp2, VT); 47538b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 47548b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 47558b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 47568b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SHL: 47578b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4758456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SHL, NVT, Tmp1, Node->getOperand(1)); 47598b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 47608b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SRA: 47618b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input value must be properly sign extended. 47628b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 476315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 476415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 4765456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRA, NVT, Tmp1, Node->getOperand(1)); 47668b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 47678b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SRL: 47688b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input value must be properly zero extended. 47698b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 477023993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 4771456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRL, NVT, Tmp1, Node->getOperand(1)); 47728b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 47730aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman 47740aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman case ISD::VAARG: 4775456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Node->getOperand(0); // Get the chain. 4776456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = Node->getOperand(1); // Get the pointer. 47770aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman if (TLI.getOperationAction(ISD::VAARG, VT) == TargetLowering::Custom) { 47780aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman Tmp3 = DAG.getVAArg(VT, Tmp1, Tmp2, Node->getOperand(2)); 4779126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands Result = TLI.LowerOperation(Tmp3, DAG); 47800aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman } else { 478169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); 4782475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); 47830aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Increment the pointer, VAList, to the next vaarg 47840aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, 478583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits()/8, 47860aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman TLI.getPointerTy())); 47870aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Store the incremented VAList to the legalized pointer 478869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); 47890aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Load the actual argument out of the pointer VAList 4790466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.getExtLoad(ISD::EXTLOAD, NVT, Tmp3, VAList, NULL, 0, VT); 47910aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman } 47920aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Remember that we legalized the chain. 4793456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 47940aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman break; 47950aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman 4796466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case ISD::LOAD: { 4797466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 479862f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng ISD::LoadExtType ExtType = ISD::isNON_EXTLoad(Node) 479962f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng ? ISD::EXTLOAD : LD->getExtensionType(); 480062f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng Result = DAG.getExtLoad(ExtType, NVT, 480162f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng LD->getChain(), LD->getBasePtr(), 480255b5708b6bbffc79cf133c31faa51d144bfc5d4aChris Lattner LD->getSrcValue(), LD->getSrcValueOffset(), 4803b625f2f8960de32bc973092aaee8ac62863006feDan Gohman LD->getMemoryVT(), 4804d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->isVolatile(), 4805d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->getAlignment()); 48064c8f8f0481b26818d7810a6a585e7ecf52973e93Chris Lattner // Remember that we legalized the chain. 4807456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 48084c8f8f0481b26818d7810a6a585e7ecf52973e93Chris Lattner break; 4809466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 48108bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel case ISD::SELECT: { 481103c8546ec57523970874917854a2fb77b1ff598eChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Legalize the op0 481203c8546ec57523970874917854a2fb77b1ff598eChris Lattner Tmp3 = PromoteOp(Node->getOperand(2)); // Legalize the op1 48138bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel 481483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT2 = Tmp2.getValueType(); 48158bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel assert(VT2 == Tmp3.getValueType() 4816ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel && "PromoteOp SELECT: Operands 2 and 3 ValueTypes don't match"); 4817ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // Ensure that the resulting node is at least the same size as the operands' 4818ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // value types, because we cannot assume that TLI.getSetCCValueType() is 4819ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // constant. 4820ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel Result = DAG.getNode(ISD::SELECT, VT2, Node->getOperand(0), Tmp2, Tmp3); 482103c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 48228bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel } 48239373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case ISD::SELECT_CC: 48249373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2 = PromoteOp(Node->getOperand(2)); // True 48259373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp3 = PromoteOp(Node->getOperand(3)); // False 48269373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 4827456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Node->getOperand(1), Tmp2, Tmp3, Node->getOperand(4)); 48289373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 4829d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: 4830d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = Node->getOperand(0); 4831d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 4832d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = DAG.getNode(ISD::BSWAP, NVT, Tmp1); 4833d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Result = DAG.getNode(ISD::SRL, NVT, Tmp1, 483483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 483583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.getSizeInBits(), 4836d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman TLI.getShiftAmountTy())); 4837d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 4838fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTPOP: 4839fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTTZ: 4840fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTLZ: 4841456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Zero extend the argument 4842456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Node->getOperand(0)); 4843fecf095292991bdf9396fec474011446107f9813Andrew Lenharth // Perform the larger operation, then subtract if needed. 4844fecf095292991bdf9396fec474011446107f9813Andrew Lenharth Tmp1 = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4845456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch(Node->getOpcode()) { 4846fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTPOP: 4847fecf095292991bdf9396fec474011446107f9813Andrew Lenharth Result = Tmp1; 4848fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4849fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTTZ: 4850456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // if Tmp1 == sizeinbits(NVT) then Tmp1 = sizeinbits(Old VT) 48515b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, 485283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits(), NVT), 4853b55757ec5f6f0218342a8910e1bbd9f018adc7d7Dan Gohman ISD::SETEQ); 485400b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SELECT, NVT, Tmp2, 485583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits(), NVT), Tmp1); 4856fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4857fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTLZ: 4858fecf095292991bdf9396fec474011446107f9813Andrew Lenharth //Tmp1 = Tmp1 - (sizeinbits(NVT) - sizeinbits(Old VT)) 485900b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SUB, NVT, Tmp1, 486083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 486183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.getSizeInBits(), NVT)); 4862fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4863fecf095292991bdf9396fec474011446107f9813Andrew Lenharth } 4864fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 48657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 48667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = PromoteOp(ExpandEXTRACT_SUBVECTOR(Op)); 48676595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 48684aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner case ISD::EXTRACT_VECTOR_ELT: 48694aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner Result = PromoteOp(ExpandEXTRACT_VECTOR_ELT(Op)); 48704aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner break; 487103c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 487203c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4873ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode() && "Didn't set a result!"); 4874456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 4875456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Make sure the result is itself legal. 4876456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Result); 4877456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 4878456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Remember that we promoted this! 487903c8546ec57523970874917854a2fb77b1ff598eChris Lattner AddPromotedOperand(Op, Result); 488003c8546ec57523970874917854a2fb77b1ff598eChris Lattner return Result; 488103c8546ec57523970874917854a2fb77b1ff598eChris Lattner} 48823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 48837f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// ExpandEXTRACT_VECTOR_ELT - Expand an EXTRACT_VECTOR_ELT operation into 48847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// a legal EXTRACT_VECTOR_ELT operation, scalar code, or memory traffic, 48857f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// based on the vector type. The return type of this matches the element type 48867f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// of the vector, which may not be legal for the target. 4887475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDValue Op) { 48881597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // We know that operand #0 is the Vec vector. If the index is a constant 48891597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // or if the invec is a supported hardware type, we can use it. Otherwise, 48901597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // lower to a store then an indexed load. 4891475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Vec = Op.getOperand(0); 4892475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = Op.getOperand(1); 48931597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 489483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = Vec.getValueType(); 489583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = TVT.getVectorNumElements(); 48961597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 48977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman switch (TLI.getOperationAction(ISD::EXTRACT_VECTOR_ELT, TVT)) { 48987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman default: assert(0 && "This action is not supported yet!"); 48997f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Custom: { 49007f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Vec = LegalizeOp(Vec); 49017f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 4902475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = TLI.LowerOperation(Op, DAG); 4903ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) 49047f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Tmp3; 49057f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 49067f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 49077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Legal: 49087f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (isTypeLegal(TVT)) { 49097f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Vec = LegalizeOp(Vec); 49107f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 4911844228a631f47bb39f71f617063831fb83c3843bChristopher Lamb return Op; 49127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 49137f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 49140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 49150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "not vector type"); 49160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // fall thru to expand since vectors are by default are promote 49177f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Expand: 49187f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 49197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 49207f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 49217f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (NumElems == 1) { 49221597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // This must be an access of the only element. Return it. 49237f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = ScalarizeVectorOp(Vec); 49247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else if (!TLI.isTypeLegal(TVT) && isa<ConstantSDNode>(Idx)) { 492555030dc460ff43f382abcc977b3e45bab7d87826Nate Begeman unsigned NumLoElts = 1 << Log2_32(NumElems-1); 49267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); 4927475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 49281597221eace1c53ce5f84a7018397497d11a8393Chris Lattner SplitVectorOp(Vec, Lo, Hi); 4929f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (CIdx->getZExtValue() < NumLoElts) { 49301597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Vec = Lo; 49311597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } else { 49321597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Vec = Hi; 4933f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx = DAG.getConstant(CIdx->getZExtValue() - NumLoElts, 49347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Idx.getValueType()); 49351597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } 49367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 49371597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // It's now an extract from the appropriate high or low part. Recurse. 49381597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 49397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = ExpandEXTRACT_VECTOR_ELT(Op); 49401597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } else { 49417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Store the value to a temporary stack slot, then LOAD the scalar 49427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // element back out. 4943475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(Vec.getValueType()); 4944475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Vec, StackPtr, NULL, 0); 49457f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 49467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Add the offset to the index. 494783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned EltSize = Op.getValueType().getSizeInBits()/8; 49487f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Idx = DAG.getNode(ISD::MUL, Idx.getValueType(), Idx, 49497f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman DAG.getConstant(EltSize, Idx.getValueType())); 495090bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling 49518e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands if (Idx.getValueType().bitsGT(TLI.getPointerTy())) 4952f185e67844e6229e2b0fe9080a5f66fb01fb7f5aChris Lattner Idx = DAG.getNode(ISD::TRUNCATE, TLI.getPointerTy(), Idx); 495390bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling else 4954f185e67844e6229e2b0fe9080a5f66fb01fb7f5aChris Lattner Idx = DAG.getNode(ISD::ZERO_EXTEND, TLI.getPointerTy(), Idx); 495590bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling 49567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman StackPtr = DAG.getNode(ISD::ADD, Idx.getValueType(), Idx, StackPtr); 49577f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 49587f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.getLoad(Op.getValueType(), Ch, StackPtr, NULL, 0); 49591597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } 49607f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Op; 49611597221eace1c53ce5f84a7018397497d11a8393Chris Lattner} 49621597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 49637f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// ExpandEXTRACT_SUBVECTOR - Expand a EXTRACT_SUBVECTOR operation. For now 49646595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman/// we assume the operation can be split if it is not already legal. 4965475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandEXTRACT_SUBVECTOR(SDValue Op) { 49666595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // We know that operand #0 is the Vec vector. For now we assume the index 49676595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // is a constant and that the extracted result is a supported hardware type. 4968475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Vec = Op.getOperand(0); 4969475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = LegalizeOp(Op.getOperand(1)); 49706595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 497183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = Vec.getValueType().getVectorNumElements(); 49726595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 497383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NumElems == Op.getValueType().getVectorNumElements()) { 49746595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // This must be an access of the desired vector length. Return it. 49757f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Vec; 49766595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 49776595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 49786595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); 4979475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 49806595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman SplitVectorOp(Vec, Lo, Hi); 4981f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (CIdx->getZExtValue() < NumElems/2) { 49826595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Vec = Lo; 49836595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } else { 49846595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Vec = Hi; 4985f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx = DAG.getConstant(CIdx->getZExtValue() - NumElems/2, 4986f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx.getValueType()); 49876595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 49886595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 49896595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // It's now an extract from the appropriate high or low part. Recurse. 49906595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 49917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return ExpandEXTRACT_SUBVECTOR(Op); 49924aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner} 49934aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner 4994750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// LegalizeSetCCOperands - Attempts to create a legal LHS and RHS for a SETCC 4995750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// with condition CC on the current target. This usually involves legalizing 4996750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// or promoting the arguments. In the case where LHS and RHS must be expanded, 4997750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// there may be no choice but to create a new SetCC node to represent the 4998750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// legalized value of setcc lhs, rhs. In this case, the value is returned in 4999475871a144eb604ddaf37503397ba0941442e5fbDan Gohman/// LHS, and the SDValue returned in RHS has a nil SDNode value. 5000475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::LegalizeSetCCOperands(SDValue &LHS, 5001475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &RHS, 5002475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &CC) { 5003475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Result; 5004750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5005750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (getTypeAction(LHS.getValueType())) { 5006750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case Legal: 5007750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = LegalizeOp(LHS); // LHS 5008750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = LegalizeOp(RHS); // RHS 5009750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5010750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case Promote: 5011750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = PromoteOp(LHS); // LHS 5012750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = PromoteOp(RHS); // RHS 5013750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5014750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If this is an FP compare, the operands have already been extended. 501583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (LHS.getValueType().isInteger()) { 501683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHS.getValueType(); 501783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 5018750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5019750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Otherwise, we have to insert explicit sign or zero extends. Note 5020750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // that we could insert sign extends for ALL conditions, but zero extend 5021750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // is cheaper on many machines (an AND instead of two shifts), so prefer 5022750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // it. 5023750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (cast<CondCodeSDNode>(CC)->get()) { 5024750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "Unknown integer comparison!"); 5025750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETEQ: 5026750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETNE: 5027750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGE: 5028750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGT: 5029750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULE: 5030750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULT: 5031750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // ALL of these operations will work if we either sign or zero extend 5032750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the operands (including the unsigned comparisons!). Zero extend is 5033750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // usually a simpler/cheaper operation, so prefer it. 5034750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 5035750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getZeroExtendInReg(Tmp2, VT); 5036750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5037750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGE: 5038750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGT: 5039750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLT: 5040750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLE: 5041750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 5042750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman DAG.getValueType(VT)); 5043750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2, 5044750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman DAG.getValueType(VT)); 5045efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng Tmp1 = LegalizeOp(Tmp1); // Relegalize new nodes. 5046efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng Tmp2 = LegalizeOp(Tmp2); // Relegalize new nodes. 5047750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5048750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5049750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5050750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 50512b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case Expand: { 505283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHS.getValueType(); 50532b49c500838666dd0186d021389d4dd70ffda240Evan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 50542b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // Expand into one or more soft-fp libcall(s). 50556518c6ed7ea609696304bbbe848342cacd001f12Evan Cheng RTLIB::Libcall LC1 = RTLIB::UNKNOWN_LIBCALL, LC2 = RTLIB::UNKNOWN_LIBCALL; 50562b49c500838666dd0186d021389d4dd70ffda240Evan Cheng switch (cast<CondCodeSDNode>(CC)->get()) { 50572b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETEQ: 50582b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOEQ: 505956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; 50602b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50612b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETNE: 50622b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUNE: 506356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UNE_F32 : RTLIB::UNE_F64; 50642b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50652b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETGE: 50662b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOGE: 506756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; 50682b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50692b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETLT: 50702b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOLT: 507156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 50722b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50732b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETLE: 50742b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOLE: 507556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; 50762b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50772b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETGT: 50782b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOGT: 507956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; 50802b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50812b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUO: 5082d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; 5083d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng break; 50842b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETO: 50855efdecc030f1a71cdb5b49d97c6c1c45e68ff731Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::O_F32 : RTLIB::O_F64; 50862b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50872b49c500838666dd0186d021389d4dd70ffda240Evan Cheng default: 508856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; 50892b49c500838666dd0186d021389d4dd70ffda240Evan Cheng switch (cast<CondCodeSDNode>(CC)->get()) { 50902b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETONE: 50912b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // SETONE = SETOLT | SETOGT 509256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 50932b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // Fallthrough 50942b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUGT: 509556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; 50962b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 50972b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUGE: 509856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; 50992b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 51002b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETULT: 510156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 51022b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 51032b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETULE: 510456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; 51052b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 510656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SETUEQ: 510756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; 510856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 51092b49c500838666dd0186d021389d4dd70ffda240Evan Cheng default: assert(0 && "Unsupported FP setcc!"); 51102b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 51112b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 5112f9516208e57364ab1e7d8748af1f59a2ea5fb572Duncan Sands 5113475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 5114475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[2] = { LHS, RHS }; 5115ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp1 = ExpandLibCall(LC1, DAG.getMergeValues(Ops, 2).getNode(), 5116b47b25cfda5aee910e128c89d08c630722eb480bReid Spencer false /*sign irrelevant*/, Dummy); 51172b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp2 = DAG.getConstant(0, MVT::i32); 5118d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng CC = DAG.getCondCode(TLI.getCmpLibcallCC(LC1)); 511956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng if (LC2 != RTLIB::UNKNOWN_LIBCALL) { 51205b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, 51215922f561c65968ef1865cc8434d191041e450602Nate Begeman CC); 5122ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LHS = ExpandLibCall(LC2, DAG.getMergeValues(Ops, 2).getNode(), 5123b47b25cfda5aee910e128c89d08c630722eb480bReid Spencer false /*sign irrelevant*/, Dummy); 51245b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHS), LHS, Tmp2, 5125d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng DAG.getCondCode(TLI.getCmpLibcallCC(LC2))); 51262b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp2); 5127475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 51282b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 512921cacc4de88098a6f2ccfcde18ccec0aa6654f3eEvan Cheng LHS = LegalizeOp(Tmp1); 51302b49c500838666dd0186d021389d4dd70ffda240Evan Cheng RHS = Tmp2; 51312b49c500838666dd0186d021389d4dd70ffda240Evan Cheng return; 51322b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 51332b49c500838666dd0186d021389d4dd70ffda240Evan Cheng 5134475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSLo, LHSHi, RHSLo, RHSHi; 5135750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman ExpandOp(LHS, LHSLo, LHSHi); 5136638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen ExpandOp(RHS, RHSLo, RHSHi); 5137638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen ISD::CondCode CCCode = cast<CondCodeSDNode>(CC)->get(); 5138638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen 5139638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen if (VT==MVT::ppcf128) { 5140638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // FIXME: This generated code sucks. We want to generate 5141e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen // FCMPU crN, hi1, hi2 5142638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // BNE crN, L: 5143e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen // FCMPU crN, lo1, lo2 5144638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // The following can be improved, but not that much. 5145e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 5146e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen ISD::SETOEQ); 51475b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, CCCode); 5148638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp3 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); 5149e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 5150e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen ISD::SETUNE); 51515b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, CCCode); 5152638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp1 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); 5153638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp3); 5154475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 5155638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen break; 5156638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen } 5157638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen 5158638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen switch (CCCode) { 5159750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETEQ: 5160750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETNE: 5161750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (RHSLo == RHSHi) 5162750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (ConstantSDNode *RHSCST = dyn_cast<ConstantSDNode>(RHSLo)) 5163750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (RHSCST->isAllOnesValue()) { 5164750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Comparison to -1. 5165750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::AND, LHSLo.getValueType(), LHSLo, LHSHi); 5166750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = RHSLo; 5167750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5168750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5169750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5170750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::XOR, LHSLo.getValueType(), LHSLo, RHSLo); 5171750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getNode(ISD::XOR, LHSLo.getValueType(), LHSHi, RHSHi); 5172750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp2); 5173750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getConstant(0, Tmp1.getValueType()); 5174750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5175750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: 5176750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If this is a comparison of the sign bit, just look at the top part. 5177750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // X > -1, x < 0 5178750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (ConstantSDNode *CST = dyn_cast<ConstantSDNode>(RHS)) 5179750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if ((cast<CondCodeSDNode>(CC)->get() == ISD::SETLT && 5180002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman CST->isNullValue()) || // X < 0 5181750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman (cast<CondCodeSDNode>(CC)->get() == ISD::SETGT && 5182750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman CST->isAllOnesValue())) { // X > -1 5183750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = LHSHi; 5184750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = RHSHi; 5185750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5186750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5187750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5188750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // FIXME: This generated code sucks. 5189750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman ISD::CondCode LowCC; 51902e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng switch (CCCode) { 5191750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "Unknown integer setcc!"); 5192750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLT: 5193750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULT: LowCC = ISD::SETULT; break; 5194750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGT: 5195750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGT: LowCC = ISD::SETUGT; break; 5196750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLE: 5197750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULE: LowCC = ISD::SETULE; break; 5198750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGE: 5199750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGE: LowCC = ISD::SETUGE; break; 5200750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5201750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5202750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Tmp1 = lo(op1) < lo(op2) // Always unsigned comparison 5203750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Tmp2 = hi(op1) < hi(op2) // Signedness depends on operands 5204750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // dest = hi(op1) == hi(op2) ? Tmp1 : Tmp2; 5205750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5206750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // NOTE: on targets without efficient SELECT of bools, we can always use 5207750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // this identity: (B1 ? B2 : B3) --> (B1 & B2)|(!B1&B3) 52082e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, false, true, NULL); 52095b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, 52105922f561c65968ef1865cc8434d191041e450602Nate Begeman LowCC, false, DagCombineInfo); 5211ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Tmp1.getNode()) 52125b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, LowCC); 52135b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 52142e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode, false, DagCombineInfo); 5215ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Tmp2.getNode()) 52165b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHSHi), LHSHi, 52175922f561c65968ef1865cc8434d191041e450602Nate Begeman RHSHi,CC); 52182e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng 5219ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif ConstantSDNode *Tmp1C = dyn_cast<ConstantSDNode>(Tmp1.getNode()); 5220ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif ConstantSDNode *Tmp2C = dyn_cast<ConstantSDNode>(Tmp2.getNode()); 5221002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman if ((Tmp1C && Tmp1C->isNullValue()) || 5222002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman (Tmp2C && Tmp2C->isNullValue() && 52232e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng (CCCode == ISD::SETLE || CCCode == ISD::SETGE || 52242e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode == ISD::SETUGE || CCCode == ISD::SETULE)) || 5225002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman (Tmp2C && Tmp2C->getAPIntValue() == 1 && 52262e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng (CCCode == ISD::SETLT || CCCode == ISD::SETGT || 52272e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode == ISD::SETUGT || CCCode == ISD::SETULT))) { 52282e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // low part is known false, returns high part. 52292e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // For LE / GE, if high part is known false, ignore the low part. 52302e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // For LT / GT, if high part is known true, ignore the low part. 52312e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Tmp1 = Tmp2; 5232475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 52332e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng } else { 52345b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 52352e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng ISD::SETEQ, false, DagCombineInfo); 5236ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Result.getNode()) 52375b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result=DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 52385922f561c65968ef1865cc8434d191041e450602Nate Begeman ISD::SETEQ); 52392e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Result = LegalizeOp(DAG.getNode(ISD::SELECT, Tmp1.getValueType(), 52402e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Result, Tmp1, Tmp2)); 52412e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Tmp1 = Result; 5242475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 52432e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng } 5244750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5245750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 52462b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 5247750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman LHS = Tmp1; 5248750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman RHS = Tmp2; 5249750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman} 5250750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 52517f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// LegalizeSetCCCondCode - Legalize a SETCC with given LHS and RHS and 52527f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// condition code CC on the current target. This routine assumes LHS and rHS 52537f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// have already been legalized by LegalizeSetCCOperands. It expands SETCC with 52547f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// illegal condition code into AND / OR of multiple SETCC values. 52557f042681764c6f8eae22781d8b4cb4c218a86b76Evan Chengvoid SelectionDAGLegalize::LegalizeSetCCCondCode(MVT VT, 52567f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue &LHS, SDValue &RHS, 52577f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue &CC) { 52587f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng MVT OpVT = LHS.getValueType(); 52597f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng ISD::CondCode CCCode = cast<CondCodeSDNode>(CC)->get(); 52607f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng switch (TLI.getCondCodeAction(CCCode, OpVT)) { 52617f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng default: assert(0 && "Unknown condition code action!"); 52627f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng case TargetLowering::Legal: 52637f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // Nothing to do. 52647f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng break; 52657f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng case TargetLowering::Expand: { 52667f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng ISD::CondCode CC1 = ISD::SETCC_INVALID, CC2 = ISD::SETCC_INVALID; 52677f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng unsigned Opc = 0; 52687f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng switch (CCCode) { 52697f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng default: assert(0 && "Don't know how to expand this condition!"); abort(); 5270e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOEQ: CC1 = ISD::SETEQ; CC2 = ISD::SETO; Opc = ISD::AND; break; 5271e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOGT: CC1 = ISD::SETGT; CC2 = ISD::SETO; Opc = ISD::AND; break; 5272e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOGE: CC1 = ISD::SETGE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5273e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOLT: CC1 = ISD::SETLT; CC2 = ISD::SETO; Opc = ISD::AND; break; 5274e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOLE: CC1 = ISD::SETLE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5275e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETONE: CC1 = ISD::SETNE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5276e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUEQ: CC1 = ISD::SETEQ; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5277e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUGT: CC1 = ISD::SETGT; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5278e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUGE: CC1 = ISD::SETGE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5279e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETULT: CC1 = ISD::SETLT; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5280e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETULE: CC1 = ISD::SETLE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5281e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUNE: CC1 = ISD::SETNE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 52827f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // FIXME: Implement more expansions. 52837f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 52847f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng 52857f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue SetCC1 = DAG.getSetCC(VT, LHS, RHS, CC1); 52867f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue SetCC2 = DAG.getSetCC(VT, LHS, RHS, CC2); 52877f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LHS = DAG.getNode(Opc, VT, SetCC1, SetCC2); 52887f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng RHS = SDValue(); 52897f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng CC = SDValue(); 52907f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng break; 52917f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 52927f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 52937f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng} 52947f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng 52951401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// EmitStackConvert - Emit a store/load combination to the stack. This stores 52961401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// SrcOp to a stack slot of type SlotVT, truncating it if needed. It then does 52971401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// a load from the stack slot to DestVT, extending it if needed. 52981401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// The resultant code need not be legal. 5299475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp, 5300475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT SlotVT, 5301475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT) { 530235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner // Create the stack frame object. 5303364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang unsigned SrcAlign = TLI.getTargetData()->getPrefTypeAlignment( 5304364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang SrcOp.getValueType().getTypeForMVT()); 5305475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FIPtr = DAG.CreateStackTemporary(SlotVT, SrcAlign); 5306364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 5307bbbbb9c3dd4160990f856854d16a3beaead1f354Dan Gohman FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr); 530869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman int SPFI = StackPtrFI->getIndex(); 5309364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 531083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SrcSize = SrcOp.getValueType().getSizeInBits(); 531183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SlotSize = SlotVT.getSizeInBits(); 531283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned DestSize = DestVT.getSizeInBits(); 5313364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang unsigned DestAlign = TLI.getTargetData()->getPrefTypeAlignment( 5314364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang DestVT.getTypeForMVT()); 53151401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner 53161401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner // Emit a store to the stack slot. Use a truncstore if the input value is 53171401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner // later than DestVT. 5318475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store; 5319364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 53201401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner if (SrcSize > SlotSize) 532169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, 5322a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, 5323a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman SlotVT, false, SrcAlign); 53241401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner else { 53251401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner assert(SrcSize == SlotSize && "Invalid store"); 532669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, 5327a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, 5328364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang false, SrcAlign); 53291401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner } 533035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 533135481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner // Result is a load from the stack slot. 53321401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner if (SlotSize == DestSize) 5333364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang return DAG.getLoad(DestVT, Store, FIPtr, NULL, 0, false, DestAlign); 53341401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner 53351401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner assert(SlotSize < DestSize && "Unknown extension!"); 5336364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang return DAG.getExtLoad(ISD::EXTLOAD, DestVT, Store, FIPtr, NULL, 0, SlotVT, 5337364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang false, DestAlign); 533835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner} 533935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 5340475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) { 53414352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Create a vector sized/aligned stack slot, store the value to element #0, 53424352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // then load the whole vector back out. 5343475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(Node->getValueType(0)); 534469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 5345bbbbb9c3dd4160990f856854d16a3beaead1f354Dan Gohman FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(StackPtr); 534669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman int SPFI = StackPtrFI->getIndex(); 534769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 5348475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0), StackPtr, 5349a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 535069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, 5351a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 53524352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner} 53534352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 53544352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 5355ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner/// ExpandBUILD_VECTOR - Expand a BUILD_VECTOR node on targets that don't 535607a96765daedf180a7102d39fe56c499878312b7Dan Gohman/// support the operation, but do support the resultant vector type. 5357475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) { 5358ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5359ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // If the only non-undef value is the low element, turn this into a 536087100e0b83b808757bf44dabecd1d1048255d1adChris Lattner // SCALAR_TO_VECTOR node. If this is { X, X, X, X }, determine X. 5361033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng unsigned NumElems = Node->getNumOperands(); 5362ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner bool isOnlyLowElement = true; 5363475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SplatValue = Node->getOperand(0); 5364f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5365475871a144eb604ddaf37503397ba0941442e5fbDan Gohman // FIXME: it would be far nicer to change this into map<SDValue,uint64_t> 5366f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // and use a bitmask instead of a list of elements. 5367475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::vector<unsigned> > Values; 5368033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng Values[SplatValue].push_back(0); 53692eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner bool isConstant = true; 53702eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner if (!isa<ConstantFPSDNode>(SplatValue) && !isa<ConstantSDNode>(SplatValue) && 53712eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner SplatValue.getOpcode() != ISD::UNDEF) 53722eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner isConstant = false; 53732eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5374033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng for (unsigned i = 1; i < NumElems; ++i) { 5375475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue V = Node->getOperand(i); 537689a1b380a475cbe477e50ff4b94335596b37f21aChris Lattner Values[V].push_back(i); 5377033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (V.getOpcode() != ISD::UNDEF) 5378ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner isOnlyLowElement = false; 5379033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (SplatValue != V) 5380475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SplatValue = SDValue(0,0); 53812eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 53822eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If this isn't a constant element or an undef, we can't use a constant 53832eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // pool load. 53842eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner if (!isa<ConstantFPSDNode>(V) && !isa<ConstantSDNode>(V) && 53852eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner V.getOpcode() != ISD::UNDEF) 53862eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner isConstant = false; 5387ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5388ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5389ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (isOnlyLowElement) { 5390ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // If the low element is an undef too, then this whole things is an undef. 5391ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (Node->getOperand(0).getOpcode() == ISD::UNDEF) 5392ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner return DAG.getNode(ISD::UNDEF, Node->getValueType(0)); 5393ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Otherwise, turn this into a scalar_to_vector node. 5394ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner return DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), 5395ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Node->getOperand(0)); 5396ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5397ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 53982eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If all elements are constants, create a load from the constant pool. 5399ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (isConstant) { 540083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 5401ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner std::vector<Constant*> CV; 5402033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng for (unsigned i = 0, e = NumElems; i != e; ++i) { 5403ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (ConstantFPSDNode *V = 5404ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner dyn_cast<ConstantFPSDNode>(Node->getOperand(i))) { 54054fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman CV.push_back(const_cast<ConstantFP *>(V->getConstantFPValue())); 5406ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } else if (ConstantSDNode *V = 540702a260aa11a2e1b2c14335274d3c42ca3f3eabc0Chris Lattner dyn_cast<ConstantSDNode>(Node->getOperand(i))) { 54084fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman CV.push_back(const_cast<ConstantInt *>(V->getConstantIntValue())); 5409ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } else { 5410ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner assert(Node->getOperand(i).getOpcode() == ISD::UNDEF); 541102a260aa11a2e1b2c14335274d3c42ca3f3eabc0Chris Lattner const Type *OpNTy = 541283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Node->getOperand(0).getValueType().getTypeForMVT(); 5413ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner CV.push_back(UndefValue::get(OpNTy)); 5414ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5415ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 54169d6565a5b1fbc4286d6ee638d8f47a3171a9ed7eReid Spencer Constant *CP = ConstantVector::get(CV); 5417475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(CP, TLI.getPointerTy()); 541850284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 541969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, 542050284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 542150284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 5422ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 54232eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5424ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (SplatValue.getNode()) { // Splat of one value? 54252eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Build the shuffle constant vector: <0, 0, 0, 0> 542683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems); 5427475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getConstant(0, MaskVT.getVectorElementType()); 5428475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::vector<SDValue> ZeroVec(NumElems, Zero); 5429475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SplatMask = DAG.getNode(ISD::BUILD_VECTOR, MaskVT, 5430bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &ZeroVec[0], ZeroVec.size()); 5431033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 54322eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If the target supports VECTOR_SHUFFLE and this shuffle mask, use it. 54334352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (isShuffleLegal(Node->getValueType(0), SplatMask)) { 54342eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Get the splatted value into the low element of a vector register. 5435475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowValVec = 54362eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), SplatValue); 54372eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 54382eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Return shuffle(LowValVec, undef, <0,0,0,0>) 54392eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner return DAG.getNode(ISD::VECTOR_SHUFFLE, Node->getValueType(0), LowValVec, 54402eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner DAG.getNode(ISD::UNDEF, Node->getValueType(0)), 54412eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner SplatMask); 54422eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner } 54432eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner } 54442eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5445033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // If there are only two unique elements, we may be able to turn this into a 5446033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // vector shuffle. 5447033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (Values.size() == 2) { 5448f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Get the two values in deterministic order. 5449475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val1 = Node->getOperand(1); 5450475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val2; 5451475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::vector<unsigned> >::iterator MI = Values.begin(); 5452f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (MI->first != Val1) 5453f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = MI->first; 5454f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner else 5455f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = (++MI)->first; 5456f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5457f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // If Val1 is an undef, make sure end ends up as Val2, to ensure that our 5458f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // vector shuffle has the undef vector on the RHS. 5459f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (Val1.getOpcode() == ISD::UNDEF) 5460f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::swap(Val1, Val2); 5461f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5462033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // Build the shuffle constant vector: e.g. <0, 4, 0, 4> 546383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems); 546483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskEltVT = MaskVT.getVectorElementType(); 5465475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::vector<SDValue> MaskVec(NumElems); 5466f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5467f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Set elements of the shuffle mask for Val1. 5468f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::vector<unsigned> &Val1Elts = Values[Val1]; 5469f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner for (unsigned i = 0, e = Val1Elts.size(); i != e; ++i) 5470f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val1Elts[i]] = DAG.getConstant(0, MaskEltVT); 5471f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5472f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Set elements of the shuffle mask for Val2. 5473f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::vector<unsigned> &Val2Elts = Values[Val2]; 5474f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner for (unsigned i = 0, e = Val2Elts.size(); i != e; ++i) 5475f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (Val2.getOpcode() != ISD::UNDEF) 5476f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val2Elts[i]] = DAG.getConstant(NumElems, MaskEltVT); 5477f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner else 5478f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val2Elts[i]] = DAG.getNode(ISD::UNDEF, MaskEltVT); 5479f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5480475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShuffleMask = DAG.getNode(ISD::BUILD_VECTOR, MaskVT, 5481bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &MaskVec[0], MaskVec.size()); 5482033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 5483f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // If the target supports SCALAR_TO_VECTOR and this shuffle mask, use it. 54844352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (TLI.isOperationLegal(ISD::SCALAR_TO_VECTOR, Node->getValueType(0)) && 54854352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner isShuffleLegal(Node->getValueType(0), ShuffleMask)) { 5486f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val1 = DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), Val1); 5487f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), Val2); 5488475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Val1, Val2, ShuffleMask }; 5489033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 5490033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // Return shuffle(LoValVec, HiValVec, <0,1,0,1>) 5491f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner return DAG.getNode(ISD::VECTOR_SHUFFLE, Node->getValueType(0), Ops, 3); 5492033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng } 5493033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng } 5494ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5495ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Otherwise, we can't handle this case efficiently. Allocate a sufficiently 5496ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // aligned object on the stack, store each element into it, then load 5497ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // the result as a vector. 549883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 5499ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Create the stack frame object. 5500475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FIPtr = DAG.CreateStackTemporary(VT); 5501ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5502ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Emit a store of each element to the stack slot. 5503475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Stores; 550483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned TypeByteSize = Node->getOperand(0).getValueType().getSizeInBits()/8; 5505ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Store (in the right endianness) the elements to memory. 5506ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 5507ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Ignore undef elements. 5508ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (Node->getOperand(i).getOpcode() == ISD::UNDEF) continue; 5509ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5510841c882f5dae8c953ea99b5824108313549cfaf8Chris Lattner unsigned Offset = TypeByteSize*i; 5511ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5512475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = DAG.getConstant(Offset, FIPtr.getValueType()); 5513ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Idx = DAG.getNode(ISD::ADD, FIPtr.getValueType(), FIPtr, Idx); 5514ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5515786225adf09e606c795ef68a1f789c12f37869f2Evan Cheng Stores.push_back(DAG.getStore(DAG.getEntryNode(), Node->getOperand(i), Idx, 55168b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng NULL, 0)); 5517ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5518ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5519475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StoreChain; 5520ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (!Stores.empty()) // Not all undef elements? 5521bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner StoreChain = DAG.getNode(ISD::TokenFactor, MVT::Other, 5522bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &Stores[0], Stores.size()); 5523ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner else 5524ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner StoreChain = DAG.getEntryNode(); 5525ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5526ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Result is a load from the stack slot. 5527466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng return DAG.getLoad(VT, StoreChain, FIPtr, NULL, 0); 5528ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner} 5529ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 55305b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattnervoid SelectionDAGLegalize::ExpandShiftParts(unsigned NodeOp, 5531475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op, SDValue Amt, 5532475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi) { 55335b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner // Expand the subcomponents. 5534475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH; 55355b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner ExpandOp(Op, LHSL, LHSH); 55365b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 5537475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { LHSL, LHSH, Amt }; 553883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHSL.getValueType(); 5539f9f37fc52c444e34bad7846729ae5481a65e0a53Chris Lattner Lo = DAG.getNode(NodeOp, DAG.getNodeValueTypes(VT, VT), 2, Ops, 3); 55405b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner Hi = Lo.getValue(1); 55415b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner} 55425b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 55435b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 5544e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// ExpandShift - Try to find a clever way to expand this shift operation out to 5545e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// smaller elements. If we can't find a way that is more efficient than a 5546e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// libcall on this target, return false. Otherwise, return true with the 5547e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// low-parts expanded into Lo and Hi. 5548475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanbool SelectionDAGLegalize::ExpandShift(unsigned Opc, SDValue Op,SDValue Amt, 5549475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi) { 5550e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner assert((Opc == ISD::SHL || Opc == ISD::SRA || Opc == ISD::SRL) && 5551e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner "This is not a shift!"); 5552f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman 555383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(Op.getValueType()); 5554475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShAmt = LegalizeOp(Amt); 555583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShTy = ShAmt.getValueType(); 555683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned ShBits = ShTy.getSizeInBits(); 555783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned VTBits = Op.getValueType().getSizeInBits(); 555883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NVTBits = NVT.getSizeInBits(); 5559f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman 55607a3c85583d523edb90aa957a02385254957c6e37Chris Lattner // Handle the case when Amt is an immediate. 5561ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Amt.getNode())) { 5562f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Cst = CN->getZExtValue(); 5563f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman // Expand the incoming operand to be shifted, so that we have its parts 5564475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 5565f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman ExpandOp(Op, InL, InH); 5566f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman switch(Opc) { 5567f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SHL: 5568f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5569f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5570f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5571f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5572f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5573f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SHL, NVT, InL, DAG.getConstant(Cst-NVTBits,ShTy)); 5574ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5575ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = DAG.getConstant(0, NVT); 5576ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Hi = InL; 5577f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5578f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::SHL, NVT, InL, DAG.getConstant(Cst, ShTy)); 5579f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::OR, NVT, 5580f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(Cst, ShTy)), 5581f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(NVTBits-Cst, ShTy))); 5582f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5583f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5584f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SRL: 5585f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5586f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5587f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5588f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5589f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::SRL, NVT, InH, DAG.getConstant(Cst-NVTBits,ShTy)); 5590f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5591ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5592ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = InH; 5593ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Hi = DAG.getConstant(0, NVT); 5594f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5595f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::OR, NVT, 5596f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(Cst, ShTy)), 5597f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(NVTBits-Cst, ShTy))); 5598f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SRL, NVT, InH, DAG.getConstant(Cst, ShTy)); 5599f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5600f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5601f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SRA: 5602f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5603edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = Lo = DAG.getNode(ISD::SRA, NVT, InH, 5604f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(NVTBits-1, ShTy)); 5605f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5606edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Lo = DAG.getNode(ISD::SRA, NVT, InH, 5607f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(Cst-NVTBits, ShTy)); 5608edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = DAG.getNode(ISD::SRA, NVT, InH, 5609f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(NVTBits-1, ShTy)); 5610ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5611ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = InH; 5612edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = DAG.getNode(ISD::SRA, NVT, InH, 5613ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner DAG.getConstant(NVTBits-1, ShTy)); 5614f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5615f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::OR, NVT, 5616f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(Cst, ShTy)), 5617f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(NVTBits-Cst, ShTy))); 5618f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SRA, NVT, InH, DAG.getConstant(Cst, ShTy)); 5619f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5620f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5621f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5622f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 56230ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 56240ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Okay, the shift amount isn't constant. However, if we can tell that it is 56250ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // >= 32 or < 32, we can still simplify it, without knowing the actual value. 562691dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman APInt Mask = APInt::getHighBitsSet(ShBits, ShBits - Log2_32(NVTBits)); 562791dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman APInt KnownZero, KnownOne; 5628ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman DAG.ComputeMaskedBits(Amt, Mask, KnownZero, KnownOne); 56290ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 56309e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // If we know that if any of the high bits of the shift amount are one, then 56319e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // we can do this as a couple of simple shifts. 563291dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman if (KnownOne.intersects(Mask)) { 56330ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Mask out the high bit, which we know is set. 56340ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Amt = DAG.getNode(ISD::AND, Amt.getValueType(), Amt, 563591dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman DAG.getConstant(~Mask, Amt.getValueType())); 56360ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 56370ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Expand the incoming operand to be shifted, so that we have its parts 5638475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 56390ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner ExpandOp(Op, InL, InH); 56400ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner switch(Opc) { 56410ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SHL: 56420ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getConstant(0, NVT); // Low part is zero. 56430ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SHL, NVT, InL, Amt); // High part from Lo part. 56440ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56450ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRL: 56460ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getConstant(0, NVT); // Hi part is zero. 56470ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SRL, NVT, InH, Amt); // Lo part from Hi part. 56480ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56490ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRA: 56500ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, InH, // Sign extend high part. 56510ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getConstant(NVTBits-1, Amt.getValueType())); 56520ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SRA, NVT, InH, Amt); // Lo part from Hi part. 56530ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56540ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 56550ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 56560ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 56579e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // If we know that the high bits of the shift amount are all zero, then we can 56589e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // do this as a couple of simple shifts. 56599e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman if ((KnownZero & Mask) == Mask) { 56600ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Compute 32-amt. 5661475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Amt2 = DAG.getNode(ISD::SUB, Amt.getValueType(), 56620ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getConstant(NVTBits, Amt.getValueType()), 56630ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Amt); 56640ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 56650ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Expand the incoming operand to be shifted, so that we have its parts 5666475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 56670ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner ExpandOp(Op, InL, InH); 56680ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner switch(Opc) { 56690ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SHL: 56700ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SHL, NVT, InL, Amt); 56710ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::OR, NVT, 56720ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt), 56730ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt2)); 56740ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56750ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRL: 56760ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRL, NVT, InH, Amt); 56770ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::OR, NVT, 56780ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt), 56790ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt2)); 56800ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56810ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRA: 56820ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, InH, Amt); 56830ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::OR, NVT, 56840ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt), 56850ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt2)); 56860ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 56870ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 56880ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 56890ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 5690f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return false; 5691e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner} 569277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner 56939c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner 569477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// ExpandLibCall - Expand a node into a call to a libcall. If the result value 569577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// does not fit into a register, return the lo part and set the hi part to the 569677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// by-reg argument. If it does fit into a single register, return the result 569777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// and leave the Hi part unset. 5698475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, 5699475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned, SDValue &Hi) { 57006831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "Cannot overlap legalization of calls!"); 57016831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // The input chain to this libcall is the entry node of the function. 57026831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalizing the call will automatically add the previous call to the 57036831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // dependence. 5704475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InChain = DAG.getEntryNode(); 57056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 570677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner TargetLowering::ArgListTy Args; 570747857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer TargetLowering::ArgListEntry Entry; 570877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 570983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ArgVT = Node->getOperand(i).getValueType(); 571083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *ArgTy = ArgVT.getTypeForMVT(); 571147857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer Entry.Node = Node->getOperand(i); Entry.Ty = ArgTy; 5712d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov Entry.isSExt = isSigned; 571300fee65fd21f9615d1a604b8b7d42cd16a3f6b47Duncan Sands Entry.isZExt = !isSigned; 571447857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer Args.push_back(Entry); 571577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner } 5716056292fd738924f3f7703725d8f630983794b5a5Bill Wendling SDValue Callee = DAG.getExternalSymbol(TLI.getLibcallName(LC), 57170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getPointerTy()); 5718edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 57190d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner // Splice the libcall in wherever FindInputOutputChains tells us to. 572083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *RetTy = Node->getValueType(0).getTypeForMVT(); 5721475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::pair<SDValue,SDValue> CallInfo = 572286098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen TLI.LowerCallTo(InChain, RetTy, isSigned, !isSigned, false, false, 572386098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen CallingConv::C, false, Callee, Args, DAG); 57240d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner 57256831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalize the call sequence, starting with the chain. This will advance 57266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // the LastCALLSEQ_END to the legalized version of the CALLSEQ_END node that 57276831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // was added by LowerCallTo (guaranteeing proper serialization of calls). 57286831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LegalizeOp(CallInfo.second); 5729475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 57300d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner switch (getTypeAction(CallInfo.first.getValueType())) { 573177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner default: assert(0 && "Unknown thing"); 573277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner case Legal: 5733456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = CallInfo.first; 573499c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner break; 573577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner case Expand: 573699c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner ExpandOp(CallInfo.first, Result, Hi); 573799c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner break; 573877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner } 573922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Result; 574022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 574122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 57427f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman/// LegalizeINT_TO_FP - Legalize a [US]INT_TO_FP operation. 57437f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman/// 57447f8613e5b8398b688080e3c944ab8c11593e1ed0Dan GohmanSDValue SelectionDAGLegalize:: 57457f8613e5b8398b688080e3c944ab8c11593e1ed0Dan GohmanLegalizeINT_TO_FP(SDValue Result, bool isSigned, MVT DestTy, SDValue Op) { 57467f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman bool isCustom = false; 57477f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Tmp1; 57487f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman switch (getTypeAction(Op.getValueType())) { 57497f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Legal: 57507f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman switch (TLI.getOperationAction(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 57517f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Op.getValueType())) { 57527f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman default: assert(0 && "Unknown operation action!"); 57537f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Custom: 57547f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman isCustom = true; 57557f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman // FALLTHROUGH 57567f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Legal: 57577f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = LegalizeOp(Op); 5758ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) 57597f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 57607f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman else 57617f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 57627f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy, Tmp1); 57637f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (isCustom) { 57647f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = TLI.LowerOperation(Result, DAG); 5765ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 57667f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57687f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Expand: 57697f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = ExpandLegalINT_TO_FP(isSigned, LegalizeOp(Op), DestTy); 57707f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57717f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Promote: 57727f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = PromoteLegalINT_TO_FP(LegalizeOp(Op), DestTy, isSigned); 57737f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57747f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57757f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57767f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Expand: 57777f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = ExpandIntToFP(isSigned, DestTy, Op); 57787f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57797f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Promote: 57807f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = PromoteOp(Op); 57817f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (isSigned) { 57827f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp1.getValueType(), 57837f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1, DAG.getValueType(Op.getValueType())); 57847f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } else { 57857f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = DAG.getZeroExtendInReg(Tmp1, 57867f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Op.getValueType()); 57877f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 5788ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) 57897f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 57907f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman else 57917f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 57927f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy, Tmp1); 57937f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = LegalizeOp(Result); // The 'op' is not necessarily legal! 57947f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 57957f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 57967f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return Result; 57977f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman} 579822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 57994c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng/// ExpandIntToFP - Expand a [US]INT_TO_FP operation. 58004c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng/// 5801475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize:: 5802475871a144eb604ddaf37503397ba0941442e5fbDan GohmanExpandIntToFP(bool isSigned, MVT DestTy, SDValue Source) { 580383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SourceVT = Source.getValueType(); 5804034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman bool ExpandSource = getTypeAction(SourceVT) == Expand; 580522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 58067f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman // Expand unsupported int-to-fp vector casts by unrolling them. 58077f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (DestTy.isVector()) { 58087f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (!ExpandSource) 58097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return LegalizeOp(UnrollVectorOp(Source)); 58107f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT DestEltTy = DestTy.getVectorElementType(); 58117f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (DestTy.getVectorNumElements() == 1) { 58127f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Scalar = ScalarizeVectorOp(Source); 58137f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Result = LegalizeINT_TO_FP(SDValue(), isSigned, 58147f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestEltTy, Scalar); 58157f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return DAG.getNode(ISD::BUILD_VECTOR, DestTy, Result); 58167f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 58177f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Lo, Hi; 58187f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SplitVectorOp(Source, Lo, Hi); 58197f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT SplitDestTy = MVT::getVectorVT(DestEltTy, 58207f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy.getVectorNumElements() / 2); 58217f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue LoResult = LegalizeINT_TO_FP(SDValue(), isSigned, SplitDestTy, Lo); 58227f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue HiResult = LegalizeINT_TO_FP(SDValue(), isSigned, SplitDestTy, Hi); 5823efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng return LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, DestTy, LoResult, 5824efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng HiResult)); 58257f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 58267f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 58279845eb5b033db5ba5213d0b8dba958c1e168ccd3Evan Cheng // Special case for i32 source to take advantage of UINTTOFP_I32_F32, etc. 58289845eb5b033db5ba5213d0b8dba958c1e168ccd3Evan Cheng if (!isSigned && SourceVT != MVT::i32) { 582934bc178e4da0105f3a50a00cc06ca1193c529bcbDan Gohman // The integer value loaded will be incorrectly if the 'sign bit' of the 583022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // incoming integer is set. To handle this, we dynamically test to see if 583122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // it is set, and, if so, add a fudge factor. 5832475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi; 5833034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman if (ExpandSource) { 5834475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo; 5835034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman ExpandOp(Source, Lo, Hi); 5836034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Source = DAG.getNode(ISD::BUILD_PAIR, SourceVT, Lo, Hi); 5837034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } else { 5838034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman // The comparison for the sign bit will use the entire operand. 5839034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Hi = Source; 5840034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } 584122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 584253997b07451a28582a8bb55716e13fc1bcd5c838Dale Johannesen // Check to see if the target has a custom way to lower this. If so, use 584353997b07451a28582a8bb55716e13fc1bcd5c838Dale Johannesen // it. (Note we've already expanded the operand in this case.) 58441c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen switch (TLI.getOperationAction(ISD::UINT_TO_FP, SourceVT)) { 58451c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen default: assert(0 && "This action not implemented for this operation!"); 58461c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Legal: 58471c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Expand: 58481c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen break; // This case is handled below. 58491c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Custom: { 58501c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::UINT_TO_FP, DestTy, 58511c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen Source), DAG); 58521c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen if (NV.getNode()) 58531c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen return LegalizeOp(NV); 58541c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen break; // The target decided this was legal after all 58551c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen } 58561c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen } 58571c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen 585822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If this is unsigned, and not supported, first perform the conversion to 585922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // signed, then adjust the result if the sign bit is set. 5860475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignedConv = ExpandIntToFP(true, DestTy, Source); 586122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5862475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignSet = DAG.getSetCC(TLI.getSetCCResultType(Hi), Hi, 586322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getConstant(0, Hi.getValueType()), 586422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner ISD::SETLT); 5865475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getIntPtrConstant(0), Four = DAG.getIntPtrConstant(4); 5866475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CstOffset = DAG.getNode(ISD::SELECT, Zero.getValueType(), 586722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner SignSet, Four, Zero); 586822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner uint64_t FF = 0x5f800000ULL; 586922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (TLI.isLittleEndian()) FF <<= 32; 587034bc178e4da0105f3a50a00cc06ca1193c529bcbDan Gohman static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF); 587122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5872475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy()); 587350284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 587422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); 587587a0f10dc7eff8cf5e83a754f75adf9cb3991435Dan Gohman Alignment = std::min(Alignment, 4u); 5876475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FudgeInReg; 587722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestTy == MVT::f32) 587869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, 587950284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 588050284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 58818e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands else if (DestTy.bitsGT(MVT::f32)) 58824c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // FIXME: Avoid the extend by construction the right constantpool? 5883118cd9dbbad3a47f37dc1b1529ef920e4d5e13f6Dale Johannesen FudgeInReg = DAG.getExtLoad(ISD::EXTLOAD, DestTy, DAG.getEntryNode(), 588469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman CPIdx, 58853069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getConstantPool(), 0, 588650284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman MVT::f32, false, Alignment); 58879e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen else 58889e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen assert(0 && "Unexpected conversion"); 58899e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen 589083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SCVT = SignedConv.getValueType(); 58914c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng if (SCVT != DestTy) { 58924c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // Destination type needs to be expanded as well. The FADD now we are 58934c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // constructing will be expanded into a libcall. 589483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (SCVT.getSizeInBits() != DestTy.getSizeInBits()) { 589583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(SCVT.getSizeInBits() * 2 == DestTy.getSizeInBits()); 5896d91446de7a89a22c8ea1cbfd40fe2528467a4ccbDan Gohman SignedConv = DAG.getNode(ISD::BUILD_PAIR, DestTy, 58974c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng SignedConv, SignedConv.getValue(1)); 58984c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng } 58994c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng SignedConv = DAG.getNode(ISD::BIT_CONVERT, DestTy, SignedConv); 59004c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng } 590122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::FADD, DestTy, SignedConv, FudgeInReg); 590222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 590322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 590422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Check to see if the target has a custom way to lower this. If so, use it. 5905d91446de7a89a22c8ea1cbfd40fe2528467a4ccbDan Gohman switch (TLI.getOperationAction(ISD::SINT_TO_FP, SourceVT)) { 590622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "This action not implemented for this operation!"); 590722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 590822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Expand: 590922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // This case is handled below. 591022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: { 5911475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::SINT_TO_FP, DestTy, 591222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Source), DAG); 5913ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (NV.getNode()) 591422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return LegalizeOp(NV); 591522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // The target decided this was legal after all 591622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 591722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 591822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 591922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Expand the source, then glue it back together for the call. We must expand 592022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // the source in case it is shared (this pass of legalize must traverse it). 5921034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman if (ExpandSource) { 5922475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SrcLo, SrcHi; 5923034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman ExpandOp(Source, SrcLo, SrcHi); 5924034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Source = DAG.getNode(ISD::BUILD_PAIR, SourceVT, SrcLo, SrcHi); 5925034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } 592622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5927b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = isSigned ? 5928b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getSINTTOFP(SourceVT, DestTy) : 5929b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getUINTTOFP(SourceVT, DestTy); 5930b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unknown int value type"); 5931b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands 59326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Source = DAG.getNode(ISD::SINT_TO_FP, DestTy, Source); 5933475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiPart; 5934ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDValue Result = ExpandLibCall(LC, Source.getNode(), isSigned, HiPart); 5935ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getValueType() != DestTy && HiPart.getNode()) 5936a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Result = DAG.getNode(ISD::BUILD_PAIR, DestTy, Result, HiPart); 5937a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman return Result; 593822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 593922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 594022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandLegalINT_TO_FP - This function is responsible for legalizing a 594122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// INT_TO_FP operation of the specified operand when the target requests that 594222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we expand it. At this point, we know that the result and operand types are 594322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target. 5944475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned, 5945475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0, 5946475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT) { 594722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (Op0.getValueType() == MVT::i32) { 594822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // simple 32-bit [signed|unsigned] integer to float/double expansion 594922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 595023594d4537fb88a963c6d6993af5027eac9bfbacChris Lattner // Get the stack frame index of a 8 byte buffer. 5951475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackSlot = DAG.CreateStackTemporary(MVT::f64); 595223594d4537fb88a963c6d6993af5027eac9bfbacChris Lattner 595322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // word offset constant for Hi/Lo address computation 5954475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue WordOff = DAG.getConstant(sizeof(int), TLI.getPointerTy()); 595522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // set up Hi and Lo (into buffer) address based on endian 5956475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = StackSlot; 5957475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = DAG.getNode(ISD::ADD, TLI.getPointerTy(), StackSlot,WordOff); 5958408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner if (TLI.isLittleEndian()) 5959408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner std::swap(Hi, Lo); 5960408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner 596122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // if signed map to unsigned space 5962475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0Mapped; 596322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (isSigned) { 596422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // constant used to invert sign bit (signed to unsigned mapping) 5965475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit = DAG.getConstant(0x80000000u, MVT::i32); 596622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op0Mapped = DAG.getNode(ISD::XOR, MVT::i32, Op0, SignBit); 596722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } else { 596822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op0Mapped = Op0; 596922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 597022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // store the lo of the constructed double - based on integer input 5971475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store1 = DAG.getStore(DAG.getEntryNode(), 59728b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Op0Mapped, Lo, NULL, 0); 597322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // initial hi portion of constructed double 5974475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InitialHi = DAG.getConstant(0x43300000u, MVT::i32); 597522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // store the hi of the constructed double - biased exponent 5976475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store2=DAG.getStore(Store1, InitialHi, Hi, NULL, 0); 597722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // load the constructed double 5978475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Load = DAG.getLoad(MVT::f64, Store2, StackSlot, NULL, 0); 597922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FP constant to bias correct the final result 5980475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Bias = DAG.getConstantFP(isSigned ? 598122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner BitsToDouble(0x4330000080000000ULL) 598222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner : BitsToDouble(0x4330000000000000ULL), 598322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner MVT::f64); 598422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // subtract the bias 5985475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Sub = DAG.getNode(ISD::FSUB, MVT::f64, Load, Bias); 598622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // final result 5987475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 598822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // handle final rounding 598922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestVT == MVT::f64) { 599022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // do nothing 599122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Result = Sub; 59928e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands } else if (DestVT.bitsLT(MVT::f64)) { 59930bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, DestVT, Sub, 59940bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(0)); 59958e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands } else if (DestVT.bitsGT(MVT::f64)) { 5996118cd9dbbad3a47f37dc1b1529ef920e4d5e13f6Dale Johannesen Result = DAG.getNode(ISD::FP_EXTEND, DestVT, Sub); 599722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 599822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Result; 599922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 600022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner assert(!isSigned && "Legalize cannot Expand SINT_TO_FP for i64 yet"); 6001475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1 = DAG.getNode(ISD::SINT_TO_FP, DestVT, Op0); 600222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 6003475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignSet = DAG.getSetCC(TLI.getSetCCResultType(Op0), Op0, 600422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getConstant(0, Op0.getValueType()), 600522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner ISD::SETLT); 6006475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getIntPtrConstant(0), Four = DAG.getIntPtrConstant(4); 6007475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CstOffset = DAG.getNode(ISD::SELECT, Zero.getValueType(), 600822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner SignSet, Four, Zero); 600922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 601022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the sign bit of the integer is set, the large number will be treated 601122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // as a negative number. To counteract this, the dynamic code adds an 601222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // offset depending on the data type. 601322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner uint64_t FF; 601483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands switch (Op0.getValueType().getSimpleVT()) { 601522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Unsupported integer type!"); 601622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i8 : FF = 0x43800000ULL; break; // 2^8 (as a float) 601722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i16: FF = 0x47800000ULL; break; // 2^16 (as a float) 601822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i32: FF = 0x4F800000ULL; break; // 2^32 (as a float) 601922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i64: FF = 0x5F800000ULL; break; // 2^64 (as a float) 602022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 602122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (TLI.isLittleEndian()) FF <<= 32; 602247857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF); 602322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 6024475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy()); 602550284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 602622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); 602787a0f10dc7eff8cf5e83a754f75adf9cb3991435Dan Gohman Alignment = std::min(Alignment, 4u); 6028475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FudgeInReg; 602922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestVT == MVT::f32) 603069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, 603150284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 603250284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 603322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner else { 603469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = 603569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman LegalizeOp(DAG.getExtLoad(ISD::EXTLOAD, DestVT, 603669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman DAG.getEntryNode(), CPIdx, 60373069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getConstantPool(), 0, 603850284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman MVT::f32, false, Alignment)); 603922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 604022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 604122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::FADD, DestVT, Tmp1, FudgeInReg); 604222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 604322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 604422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// PromoteLegalINT_TO_FP - This function is responsible for legalizing a 604522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// *INT_TO_FP operation of the specified operand when the target requests that 604622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we promote it. At this point, we know that the result and operand types are 604722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target, and that there is a legal UINT_TO_FP or SINT_TO_FP 604822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// operation that takes a larger input. 6049475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteLegalINT_TO_FP(SDValue LegalOp, 6050475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT, 6051475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned) { 605222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // First step, figure out the appropriate *INT_TO_FP operation to use. 605383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewInTy = LegalOp.getValueType(); 605422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 605522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner unsigned OpToUse = 0; 605622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 605722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Scan for the appropriate larger type to use. 605822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner while (1) { 605983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); 606083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isInteger() && "Ran out of possibilities!"); 606122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 606222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports SINT_TO_FP of this type, use it. 606322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::SINT_TO_FP, NewInTy)) { 606422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 606522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 606622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewInTy)) 606722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 606822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 606922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 607022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::SINT_TO_FP; 607122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 607222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 607322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 607422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (isSigned) continue; 607522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 607622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports UINT_TO_FP of this type, use it. 607722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::UINT_TO_FP, NewInTy)) { 607822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 607922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 608022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewInTy)) 608122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 608222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 608322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 608422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::UINT_TO_FP; 608522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 608622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 608722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 608822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 608922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Otherwise, try a larger type. 609022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 609122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 609222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Okay, we found the operation and type to use. Zero extend our input to the 609322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // desired type then run the operation on it. 609422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(OpToUse, DestVT, 609522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(isSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, 609622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner NewInTy, LegalOp)); 609777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner} 609877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner 609922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// PromoteLegalFP_TO_INT - This function is responsible for legalizing a 610022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// FP_TO_*INT operation of the specified operand when the target requests that 610122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we promote it. At this point, we know that the result and operand types are 610222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target, and that there is a legal FP_TO_UINT or FP_TO_SINT 610322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// operation that returns a larger result. 6104475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteLegalFP_TO_INT(SDValue LegalOp, 6105475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT, 6106475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned) { 610722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // First step, figure out the appropriate FP_TO*INT operation to use. 610883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewOutTy = DestVT; 61099c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner 611022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner unsigned OpToUse = 0; 6111e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner 611222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Scan for the appropriate larger type to use. 611322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner while (1) { 611483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewOutTy = (MVT::SimpleValueType)(NewOutTy.getSimpleVT()+1); 611583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewOutTy.isInteger() && "Ran out of possibilities!"); 611666de05b606cf31f1f23ed0c4eb1f097738cd1506Chris Lattner 611722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports FP_TO_SINT returning this type, use it. 611822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::FP_TO_SINT, NewOutTy)) { 611922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 612022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 612122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewOutTy)) 612222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 612322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 612422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 612522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::FP_TO_SINT; 612622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 612722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 612822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 6129e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner 613022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports FP_TO_UINT of this type, use it. 613122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::FP_TO_UINT, NewOutTy)) { 613222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 613322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 613422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewOutTy)) 613522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 613622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 613722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 613822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::FP_TO_UINT; 613922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 6140e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner } 614122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 61420d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner 614322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Otherwise, try a larger type. 6144a88a260dbd874a3bdd3e47f4f15ab0d7c7803044Chris Lattner } 6145a88a260dbd874a3bdd3e47f4f15ab0d7c7803044Chris Lattner 614627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner 614727a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Okay, we found the operation and type to use. 6148475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Operation = DAG.getNode(OpToUse, NewOutTy, LegalOp); 6149126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 615027a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // If the operation produces an invalid type, it must be custom lowered. Use 615127a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // the target lowering hooks to expand it. Just keep the low part of the 615227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // expanded operation, we know that we're truncating anyway. 615327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner if (getTypeAction(NewOutTy) == Expand) { 61541607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands SmallVector<SDValue, 2> Results; 61551607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands TLI.ReplaceNodeResults(Operation.getNode(), Results, DAG); 61561607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands assert(Results.size() == 1 && "Incorrect FP_TO_XINT lowering!"); 61571607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands Operation = Results[0]; 615827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner } 6159126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 616027a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Truncate the result of the extended FP_TO_*INT operation to the desired 616127a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // size. 616227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner return DAG.getNode(ISD::TRUNCATE, DestVT, Operation); 616322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 616413689e2009e71f7982d1313ed699e0e6a50157d0Chris Lattner 616522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandBSWAP - Open code the operations for BSWAP of the specified operation. 616622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// 6167475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBSWAP(SDValue Op) { 616883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 616983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SHVT = TLI.getShiftAmountTy(); 6170475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Tmp4, Tmp5, Tmp6, Tmp7, Tmp8; 617183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands switch (VT.getSimpleVT()) { 617222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Unhandled Expand type in BSWAP!"); abort(); 617322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i16: 617422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 617522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 617622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp1, Tmp2); 617722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i32: 617822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(24, SHVT)); 617922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 618022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 618122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(24, SHVT)); 618222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::AND, VT, Tmp3, DAG.getConstant(0xFF0000, VT)); 618322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::AND, VT, Tmp2, DAG.getConstant(0xFF00, VT)); 618422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); 618522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); 618622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); 618722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i64: 618822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(56, SHVT)); 618922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp7 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(40, SHVT)); 619022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(24, SHVT)); 619122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp5 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 619222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 619322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(24, SHVT)); 619422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(40, SHVT)); 619522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(56, SHVT)); 619622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp7 = DAG.getNode(ISD::AND, VT, Tmp7, DAG.getConstant(255ULL<<48, VT)); 619722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::AND, VT, Tmp6, DAG.getConstant(255ULL<<40, VT)); 619822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp5 = DAG.getNode(ISD::AND, VT, Tmp5, DAG.getConstant(255ULL<<32, VT)); 619922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::AND, VT, Tmp4, DAG.getConstant(255ULL<<24, VT)); 620022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::AND, VT, Tmp3, DAG.getConstant(255ULL<<16, VT)); 620122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::AND, VT, Tmp2, DAG.getConstant(255ULL<<8 , VT)); 620222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp7); 620322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::OR, VT, Tmp6, Tmp5); 620422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); 620522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); 620622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp6); 620722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); 620822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp8, Tmp4); 62090d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner } 621077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner} 6211edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 621222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandBitCount - Expand the specified bitcount instruction into operations. 621322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// 6214475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBitCount(unsigned Opc, SDValue Op) { 621522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (Opc) { 621622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Cannot expand this yet!"); 621722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTPOP: { 621822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner static const uint64_t mask[6] = { 621922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x5555555555555555ULL, 0x3333333333333333ULL, 622022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x0F0F0F0F0F0F0F0FULL, 0x00FF00FF00FF00FFULL, 622122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x0000FFFF0000FFFFULL, 0x00000000FFFFFFFFULL 622222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner }; 622383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 622483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShVT = TLI.getShiftAmountTy(); 622583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned len = VT.getSizeInBits(); 622622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner for (unsigned i = 0; (1U << i) <= (len / 2); ++i) { 622722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner //x = (x & mask[i][len/8]) + (x >> (1 << i) & mask[i][len/8]) 6228475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = DAG.getConstant(mask[i], VT); 6229475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getConstant(1ULL << i, ShVT); 623022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::ADD, VT, DAG.getNode(ISD::AND, VT, Op, Tmp2), 623122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::AND, VT, 623222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::SRL, VT, Op, Tmp3),Tmp2)); 623322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 623422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Op; 623522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 623622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTLZ: { 623722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // for now, we do this: 623822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >> 1); 623922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >> 2); 624022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // ... 624122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >>16); 624222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >>32); // for 64-bit input 624322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // return popcount(~x); 624422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // 624522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // but see also: http://www.hackersdelight.org/HDcode/nlz.cc 624683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 624783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShVT = TLI.getShiftAmountTy(); 624883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned len = VT.getSizeInBits(); 624922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner for (unsigned i = 0; (1U << i) <= (len / 2); ++i) { 6250475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getConstant(1ULL << i, ShVT); 625122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::OR, VT, Op, DAG.getNode(ISD::SRL, VT, Op, Tmp3)); 625222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 625322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::XOR, VT, Op, DAG.getConstant(~0ULL, VT)); 625422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::CTPOP, VT, Op); 625522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 625622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTTZ: { 625722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // for now, we use: { return popcount(~x & (x - 1)); } 625822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // unless the target has ctlz but not ctpop, in which case we use: 625922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // { return 32 - nlz(~x & (x-1)); } 626022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // see also http://www.hackersdelight.org/HDcode/ntz.cc 626183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 6262475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = DAG.getConstant(~0ULL, VT); 6263475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getNode(ISD::AND, VT, 626422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::XOR, VT, Op, Tmp2), 626522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::SUB, VT, Op, DAG.getConstant(1, VT))); 626622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If ISD::CTLZ is legal and CTPOP isn't, then do that instead. 626722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isOperationLegal(ISD::CTPOP, VT) && 626822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner TLI.isOperationLegal(ISD::CTLZ, VT)) 626922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::SUB, VT, 627083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits(), VT), 627122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::CTLZ, VT, Tmp3)); 627222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::CTPOP, VT, Tmp3); 627322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 627422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 627522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 6276e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 6277475871a144eb604ddaf37503397ba0941442e5fbDan Gohman/// ExpandOp - Expand the specified SDValue into its two component pieces 62783e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// Lo&Hi. Note that the Op MUST be an expanded type. As a result of this, the 6279929d3eb171cd95a7fb353ef71a460d2061be4e6cDan Gohman/// LegalizedNodes map is filled in for any results that are not expanded, the 62803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// ExpandedNodes map is filled in for any results that are expanded, and the 62813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// Lo/Hi values are returned. 6282475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::ExpandOp(SDValue Op, SDValue &Lo, SDValue &Hi){ 628383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 628483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 6285ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 62863e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(getTypeAction(VT) == Expand && "Not an expanded type!"); 62878e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(((NVT.isInteger() && NVT.bitsLT(VT)) || VT.isFloatingPoint() || 628883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.isVector()) && "Cannot expand to FP value or to larger int value!"); 62893e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 62906fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner // See if we already expanded it. 6291475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, std::pair<SDValue, SDValue> >::iterator I 62926fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner = ExpandedNodes.find(Op); 62936fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner if (I != ExpandedNodes.end()) { 62946fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner Lo = I->second.first; 62956fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner Hi = I->second.second; 62966fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner return; 62973e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 62983e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 62993e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getOpcode()) { 6300348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner case ISD::CopyFromReg: 6301348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner assert(0 && "CopyFromReg must be legal!"); 63026eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen case ISD::FP_ROUND_INREG: 63036eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen if (VT == MVT::ppcf128 && 63046eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen TLI.getOperationAction(ISD::FP_ROUND_INREG, VT) == 63056eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen TargetLowering::Custom) { 6306475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SrcLo, SrcHi, Src; 6307fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen ExpandOp(Op.getOperand(0), SrcLo, SrcHi); 6308fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Src = DAG.getNode(ISD::BUILD_PAIR, VT, SrcLo, SrcHi); 6309475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = TLI.LowerOperation( 6310fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_ROUND_INREG, VT, Src, Op.getOperand(1)), DAG); 6311ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getOpcode() == ISD::BUILD_PAIR); 6312ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Lo = Result.getNode()->getOperand(0); 6313ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = Result.getNode()->getOperand(1); 63146eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen break; 63156eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen } 63166eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen // fall through 6317348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner default: 6318e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 631939833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 6320e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 63213e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(0 && "Do not know how to expand this operator!"); 63223e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner abort(); 63231953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman case ISD::EXTRACT_ELEMENT: 63241953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman ExpandOp(Node->getOperand(0), Lo, Hi); 6325f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) 63261953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman return ExpandOp(Hi, Lo, Hi); 632718714aeaed2a74bfc85dc5abe24a9193882406c5Dan Gohman return ExpandOp(Lo, Lo, Hi); 632825f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen case ISD::EXTRACT_VECTOR_ELT: 632925f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen // ExpandEXTRACT_VECTOR_ELT tolerates invalid result types. 633025f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen Lo = ExpandEXTRACT_VECTOR_ELT(Op); 633125f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen return ExpandOp(Lo, Lo, Hi); 6332fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: 6333fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Lo = DAG.getNode(ISD::UNDEF, NVT); 6334fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Hi = DAG.getNode(ISD::UNDEF, NVT); 6335fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 63363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::Constant: { 633783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NVTBits = NVT.getSizeInBits(); 6338050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman const APInt &Cst = cast<ConstantSDNode>(Node)->getAPIntValue(); 6339050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman Lo = DAG.getConstant(APInt(Cst).trunc(NVTBits), NVT); 6340050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman Hi = DAG.getConstant(Cst.lshr(NVTBits).trunc(NVTBits), NVT); 63413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 63423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 6343004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng case ISD::ConstantFP: { 6344004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node); 6345a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen if (CFP->getValueType(0) == MVT::ppcf128) { 63467111b02c734c992b8c97d9918118768026dad79eDale Johannesen APInt api = CFP->getValueAPF().bitcastToAPInt(); 6347a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &api.getRawData()[1])), 6348a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen MVT::f64); 6349a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen Hi = DAG.getConstantFP(APFloat(APInt(64, 1, &api.getRawData()[0])), 6350a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen MVT::f64); 6351a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen break; 6352a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen } 6353279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng Lo = ExpandConstantFP(CFP, false, DAG, TLI); 63549f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (getTypeAction(Lo.getValueType()) == Expand) 63559f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng ExpandOp(Lo, Lo, Hi); 6356004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng break; 6357004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 6358d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner case ISD::BUILD_PAIR: 63598137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Return the operands. 63608137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = Node->getOperand(0); 63618137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = Node->getOperand(1); 6362d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner break; 636327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner 636427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner case ISD::MERGE_VALUES: 6365c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner if (Node->getNumValues() == 1) { 6366c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner ExpandOp(Op.getOperand(0), Lo, Hi); 6367c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner break; 6368c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner } 636927a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // FIXME: For now only expand i64,chain = MERGE_VALUES (x, y) 637099a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif assert(Op.getResNo() == 0 && Node->getNumValues() == 2 && 637127a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner Op.getValue(1).getValueType() == MVT::Other && 637227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner "unhandled MERGE_VALUES"); 637327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner ExpandOp(Op.getOperand(0), Lo, Hi); 637427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Remember that we legalized the chain. 637527a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Op.getOperand(1))); 637627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner break; 637758f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner 637858f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner case ISD::SIGN_EXTEND_INREG: 637958f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 63804bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // sext_inreg the low part if needed. 63814bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner Lo = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Lo, Node->getOperand(1)); 63824bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner 63834bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // The high part gets the sign extension from the lo-part. This handles 63844bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // things like sextinreg V:i64 from i8. 638558f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, Lo, 638683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits()-1, 638758f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner TLI.getShiftAmountTy())); 638858f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner break; 6389d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner 6390d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: { 6391d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman ExpandOp(Node->getOperand(0), Lo, Hi); 6392475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TempLo = DAG.getNode(ISD::BSWAP, NVT, Hi); 6393d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Hi = DAG.getNode(ISD::BSWAP, NVT, Lo); 6394d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Lo = TempLo; 6395d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 6396d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman } 6397d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman 6398edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner case ISD::CTPOP: 6399edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 64009b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner Lo = DAG.getNode(ISD::ADD, NVT, // ctpop(HL) -> ctpop(H)+ctpop(L) 64019b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner DAG.getNode(ISD::CTPOP, NVT, Lo), 64029b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner DAG.getNode(ISD::CTPOP, NVT, Hi)); 6403edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner Hi = DAG.getConstant(0, NVT); 6404edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner break; 6405edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 640639a8f336305a492fc6d2625f39f08968185616d2Chris Lattner case ISD::CTLZ: { 640739a8f336305a492fc6d2625f39f08968185616d2Chris Lattner // ctlz (HL) -> ctlz(H) != 32 ? ctlz(H) : (ctlz(L)+32) 64083becf2026bec881a60cbbe0031d8c51f4d6d4e28Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 6409475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BitsC = DAG.getConstant(NVT.getSizeInBits(), NVT); 6410475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HLZ = DAG.getNode(ISD::CTLZ, NVT, Hi); 6411475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TopNotZero = DAG.getSetCC(TLI.getSetCCResultType(HLZ), HLZ, BitsC, 64127cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETNE); 6413475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowPart = DAG.getNode(ISD::CTLZ, NVT, Lo); 641439a8f336305a492fc6d2625f39f08968185616d2Chris Lattner LowPart = DAG.getNode(ISD::ADD, NVT, LowPart, BitsC); 641539a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 641639a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, TopNotZero, HLZ, LowPart); 641739a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Hi = DAG.getConstant(0, NVT); 641839a8f336305a492fc6d2625f39f08968185616d2Chris Lattner break; 641939a8f336305a492fc6d2625f39f08968185616d2Chris Lattner } 642039a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 642139a8f336305a492fc6d2625f39f08968185616d2Chris Lattner case ISD::CTTZ: { 642239a8f336305a492fc6d2625f39f08968185616d2Chris Lattner // cttz (HL) -> cttz(L) != 32 ? cttz(L) : (cttz(H)+32) 64233becf2026bec881a60cbbe0031d8c51f4d6d4e28Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 6424475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BitsC = DAG.getConstant(NVT.getSizeInBits(), NVT); 6425475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LTZ = DAG.getNode(ISD::CTTZ, NVT, Lo); 6426475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BotNotZero = DAG.getSetCC(TLI.getSetCCResultType(LTZ), LTZ, BitsC, 64277cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETNE); 6428475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiPart = DAG.getNode(ISD::CTTZ, NVT, Hi); 642939a8f336305a492fc6d2625f39f08968185616d2Chris Lattner HiPart = DAG.getNode(ISD::ADD, NVT, HiPart, BitsC); 643039a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 643139a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, BotNotZero, LTZ, HiPart); 643239a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Hi = DAG.getConstant(0, NVT); 643339a8f336305a492fc6d2625f39f08968185616d2Chris Lattner break; 643439a8f336305a492fc6d2625f39f08968185616d2Chris Lattner } 6435edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 6436acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAARG: { 6437475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = Node->getOperand(0); // Legalize the chain. 6438475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = Node->getOperand(1); // Legalize the pointer. 6439acc398c195a697795bff3245943d104eb19192b9Nate Begeman Lo = DAG.getVAArg(NVT, Ch, Ptr, Node->getOperand(2)); 6440acc398c195a697795bff3245943d104eb19192b9Nate Begeman Hi = DAG.getVAArg(NVT, Lo.getValue(1), Ptr, Node->getOperand(2)); 6441acc398c195a697795bff3245943d104eb19192b9Nate Begeman 6442acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Remember that we legalized the chain. 64438137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = LegalizeOp(Hi); 6444acc398c195a697795bff3245943d104eb19192b9Nate Begeman AddLegalizedOperand(Op.getValue(1), Hi.getValue(1)); 64450753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 6446acc398c195a697795bff3245943d104eb19192b9Nate Begeman std::swap(Lo, Hi); 6447acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 6448acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 6449acc398c195a697795bff3245943d104eb19192b9Nate Begeman 64503e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::LOAD: { 6451466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 6452475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LD->getChain(); // Legalize the chain. 6453475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); // Legalize the pointer. 6454466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng ISD::LoadExtType ExtType = LD->getExtensionType(); 64557f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman const Value *SV = LD->getSrcValue(); 6456d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman int SVOffset = LD->getSrcValueOffset(); 6457d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman unsigned Alignment = LD->getAlignment(); 6458d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman bool isVolatile = LD->isVolatile(); 6459466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6460466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::NON_EXTLOAD) { 64617f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(NVT, Ch, Ptr, SV, SVOffset, 6462d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman isVolatile, Alignment); 6463004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 6464004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // f32->i32 or f64->i64 one to one expansion. 6465004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // Remember that we legalized the chain. 6466475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1))); 64679f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng // Recursively expand the new load. 64689f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (getTypeAction(NVT) == Expand) 64699f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng ExpandOp(Lo, Lo, Hi); 6470004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng break; 6471004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 6472466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6473466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Increment the pointer to the other half. 647483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned IncrementSize = Lo.getValueType().getSizeInBits()/8; 6475466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 64760bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 64777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SVOffset += IncrementSize; 6478dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 64797f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Hi = DAG.getLoad(NVT, Ch, Ptr, SV, SVOffset, 6480d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman isVolatile, Alignment); 6481466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6482466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Build a factor node to remember that this load is independent of the 6483466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // other one. 6484475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 6485466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi.getValue(1)); 6486466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6487466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Remember that we legalized the chain. 6488466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng AddLegalizedOperand(Op.getValue(1), LegalizeOp(TF)); 64890753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 6490466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng std::swap(Lo, Hi); 6491466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else { 649283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = LD->getMemoryVT(); 6493548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng 6494b6210fc92b643a5440d8373b5f36b6e579b5feb8Dale Johannesen if ((VT == MVT::f64 && EVT == MVT::f32) || 6495b6210fc92b643a5440d8373b5f36b6e579b5feb8Dale Johannesen (VT == MVT::ppcf128 && (EVT==MVT::f64 || EVT==MVT::f32))) { 6496548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng // f64 = EXTLOAD f32 should expand to LOAD, FP_EXTEND 64977f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Load = DAG.getLoad(EVT, Ch, Ptr, SV, 6498d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 6499548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng // Remember that we legalized the chain. 6500475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Load.getValue(1))); 6501548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng ExpandOp(DAG.getNode(ISD::FP_EXTEND, VT, Load), Lo, Hi); 6502548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng break; 6503548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng } 6504466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6505466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (EVT == NVT) 65067f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(NVT, Ch, Ptr, SV, 6507d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 6508466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng else 65097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getExtLoad(ExtType, NVT, Ch, Ptr, SV, 6510d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, EVT, isVolatile, 6511d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman Alignment); 6512466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6513466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Remember that we legalized the chain. 6514475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1))); 6515466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6516466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::SEXTLOAD) { 6517466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is obtained by SRA'ing all but one of the bits of the 6518466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // lo part. 651983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned LoSize = Lo.getValueType().getSizeInBits(); 6520466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getNode(ISD::SRA, NVT, Lo, 6521466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng DAG.getConstant(LoSize-1, TLI.getShiftAmountTy())); 6522466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else if (ExtType == ISD::ZEXTLOAD) { 6523466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is just a zero. 6524466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getConstant(0, NVT); 6525466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else /* if (ExtType == ISD::EXTLOAD) */ { 6526466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is undefined. 6527466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getNode(ISD::UNDEF, NVT); 6528466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 6529466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 65303e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 65313e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 65323e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::AND: 65333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::OR: 65343e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::XOR: { // Simple logical operators -> two trivial pieces. 6535475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 65363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(0), LL, LH); 65373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(1), RL, RH); 65383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Lo = DAG.getNode(Node->getOpcode(), NVT, LL, RL); 65393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Hi = DAG.getNode(Node->getOpcode(), NVT, LH, RH); 65403e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 65413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 65423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SELECT: { 6543475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 65443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(1), LL, LH); 65453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(2), RL, RH); 654619103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 654719103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng NVT = TLI.getTypeToExpandTo(NVT); 6548456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, Node->getOperand(0), LL, RL); 654919103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (VT != MVT::f32) 655019103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Hi = DAG.getNode(ISD::SELECT, NVT, Node->getOperand(0), LH, RH); 65513e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 65523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 65539373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case ISD::SELECT_CC: { 6554475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TL, TH, FL, FH; 65559373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman ExpandOp(Node->getOperand(2), TL, TH); 65569373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman ExpandOp(Node->getOperand(3), FL, FH); 655719103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 655819103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng NVT = TLI.getTypeToExpandTo(NVT); 65599373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Lo = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 65609373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Node->getOperand(1), TL, FL, Node->getOperand(4)); 656119103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (VT != MVT::f32) 656219103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Hi = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 656319103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Node->getOperand(1), TH, FH, Node->getOperand(4)); 65649373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 65659373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 65668137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::ANY_EXTEND: 656713c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner // The low part is any extension of the input (which degenerates to a copy). 65688137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::ANY_EXTEND, NVT, Node->getOperand(0)); 656913c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner // The high part is undefined. 657013c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Hi = DAG.getNode(ISD::UNDEF, NVT); 657113c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner break; 65723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SIGN_EXTEND: { 65733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The low part is just a sign extension of the input (which degenerates to 65743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // a copy). 65758137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::SIGN_EXTEND, NVT, Node->getOperand(0)); 6576edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 65773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The high part is obtained by SRA'ing all but one of the bits of the lo 65783e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // part. 657983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned LoSize = Lo.getValueType().getSizeInBits(); 65808137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, Lo, 65818137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner DAG.getConstant(LoSize-1, TLI.getShiftAmountTy())); 65823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 65833e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 65848137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::ZERO_EXTEND: 65853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The low part is just a zero extension of the input (which degenerates to 65863e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // a copy). 65878137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::ZERO_EXTEND, NVT, Node->getOperand(0)); 6588edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 65893e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The high part is just a zero. 65903e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Hi = DAG.getConstant(0, NVT); 65913e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 659235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 65934c948eb373779718e5be36d7674382b52114bf65Chris Lattner case ISD::TRUNCATE: { 65944c948eb373779718e5be36d7674382b52114bf65Chris Lattner // The input value must be larger than this value. Expand *it*. 6595475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue NewLo; 65964c948eb373779718e5be36d7674382b52114bf65Chris Lattner ExpandOp(Node->getOperand(0), NewLo, Hi); 65974c948eb373779718e5be36d7674382b52114bf65Chris Lattner 65984c948eb373779718e5be36d7674382b52114bf65Chris Lattner // The low part is now either the right size, or it is closer. If not the 65994c948eb373779718e5be36d7674382b52114bf65Chris Lattner // right size, make an illegal truncate so we recursively expand it. 66004c948eb373779718e5be36d7674382b52114bf65Chris Lattner if (NewLo.getValueType() != Node->getValueType(0)) 66014c948eb373779718e5be36d7674382b52114bf65Chris Lattner NewLo = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), NewLo); 66024c948eb373779718e5be36d7674382b52114bf65Chris Lattner ExpandOp(NewLo, Lo, Hi); 66034c948eb373779718e5be36d7674382b52114bf65Chris Lattner break; 66044c948eb373779718e5be36d7674382b52114bf65Chris Lattner } 66054c948eb373779718e5be36d7674382b52114bf65Chris Lattner 660635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: { 6607475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp; 6608f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner if (TLI.getOperationAction(ISD::BIT_CONVERT, VT) == TargetLowering::Custom){ 6609f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner // If the target wants to, allow it to lower this itself. 6610f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 6611f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 6612f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Legal: Tmp = LegalizeOp(Node->getOperand(0)); break; 6613f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Promote: Tmp = PromoteOp (Node->getOperand(0)); break; 6614f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner } 6615f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner Tmp = TLI.LowerOperation(DAG.getNode(ISD::BIT_CONVERT, VT, Tmp), DAG); 6616f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner } 6617f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner 66181a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng // f32 / f64 must be expanded to i32 / i64. 661913acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 662013acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 662119103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 662219103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng ExpandOp(Lo, Lo, Hi); 66237b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng break; 66247b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng } 66257b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 66267b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // If source operand will be expanded to the same type as VT, i.e. 66277b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // i64 <- f64, i32 <- f32, expand the source operand instead. 662883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT0 = Node->getOperand(0).getValueType(); 66297b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng if (getTypeAction(VT0) == Expand && TLI.getTypeToTransformTo(VT0) == VT) { 66307b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng ExpandOp(Node->getOperand(0), Lo, Hi); 66311a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 66321a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng } 66331a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng 6634f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner // Turn this into a load/store pair by default. 6635ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp.getNode() == 0) 66361401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Tmp = EmitStackConvert(Node->getOperand(0), VT, VT); 6637f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner 663835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner ExpandOp(Tmp, Lo, Hi); 663935481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 664035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 6641f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 664227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner case ISD::READCYCLECOUNTER: { 6643308575be66ec3870d27b19df044fda18448feb41Chris Lattner assert(TLI.getOperationAction(ISD::READCYCLECOUNTER, VT) == 6644308575be66ec3870d27b19df044fda18448feb41Chris Lattner TargetLowering::Custom && 6645308575be66ec3870d27b19df044fda18448feb41Chris Lattner "Must custom expand ReadCycleCounter"); 6646475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = TLI.LowerOperation(Op, DAG); 6647ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp.getNode() && "Node must be custom expanded!"); 664827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner ExpandOp(Tmp.getValue(0), Lo, Hi); 6649475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized the chain. 665027a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner LegalizeOp(Tmp.getValue(1))); 6651f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth break; 665227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner } 6653f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 66541b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 66551b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // This operation does not need a loop. 66561b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Tmp = TLI.LowerOperation(Op, DAG); 66571b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen assert(Tmp.getNode() && "Node must be custom expanded!"); 66581b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen ExpandOp(Tmp.getValue(0), Lo, Hi); 66591b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized the chain. 66601b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen LegalizeOp(Tmp.getValue(1))); 66611b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen break; 66621b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen } 66631b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen 666448c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 666548c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 666648c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 666748c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 666848c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 666948c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 66701b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen case ISD::ATOMIC_SWAP_64: { 66711b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // These operations require a loop to be generated. We can't do that yet, 66721b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // so substitute a target-dependent pseudo and expand that later. 667348c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen SDValue In2Lo, In2Hi, In2; 667448c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen ExpandOp(Op.getOperand(2), In2Lo, In2Hi); 667548c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen In2 = DAG.getNode(ISD::BUILD_PAIR, VT, In2Lo, In2Hi); 66761b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen AtomicSDNode* Anode = cast<AtomicSDNode>(Node); 66771b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Replace = 66781b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen DAG.getAtomic(Op.getOpcode(), Op.getOperand(0), Op.getOperand(1), In2, 66791b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen Anode->getSrcValue(), Anode->getAlignment()); 66801b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Result = TLI.LowerOperation(Replace, DAG); 668148c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen ExpandOp(Result.getValue(0), Lo, Hi); 668248c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen // Remember that we legalized the chain. 668348c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen AddLegalizedOperand(SDValue(Node,1), LegalizeOp(Result.getValue(1))); 6684d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth break; 6685d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth } 6686d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth 66874e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner // These operators cannot be expanded directly, emit them as calls to 66884e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner // library functions. 668956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FP_TO_SINT: { 669080a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner if (TLI.getOperationAction(ISD::FP_TO_SINT, VT) == TargetLowering::Custom) { 6691475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op; 6692f20d183c2268553c738fefb014959ea924dd0555Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 6693f20d183c2268553c738fefb014959ea924dd0555Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 66948137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Legal: Op = LegalizeOp(Node->getOperand(0)); break; 66958137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Promote: Op = PromoteOp (Node->getOperand(0)); break; 6696f20d183c2268553c738fefb014959ea924dd0555Chris Lattner } 6697d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6698f20d183c2268553c738fefb014959ea924dd0555Chris Lattner Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_SINT, VT, Op), DAG); 6699f20d183c2268553c738fefb014959ea924dd0555Chris Lattner 670080a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner // Now that the custom expander is done, expand the result, which is still 670180a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner // VT. 6702ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 670307dffd6af673c73352150583150b242a93694f00Chris Lattner ExpandOp(Op, Lo, Hi); 670407dffd6af673c73352150583150b242a93694f00Chris Lattner break; 670507dffd6af673c73352150583150b242a93694f00Chris Lattner } 670680a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner } 6707d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6708b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPTOSINT(Node->getOperand(0).getValueType(), 6709b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6710b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected uint-to-fp conversion!"); 6711b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Hi); 67124e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner break; 671356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng } 6714d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 671556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FP_TO_UINT: { 671680a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner if (TLI.getOperationAction(ISD::FP_TO_UINT, VT) == TargetLowering::Custom) { 6717475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op; 67188137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 67198137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 67208137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Legal: Op = LegalizeOp(Node->getOperand(0)); break; 67218137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Promote: Op = PromoteOp (Node->getOperand(0)); break; 67228137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 67238137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner 67248137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_UINT, VT, Op), DAG); 67258137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner 67268137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Now that the custom expander is done, expand the result. 6727ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 672807dffd6af673c73352150583150b242a93694f00Chris Lattner ExpandOp(Op, Lo, Hi); 672907dffd6af673c73352150583150b242a93694f00Chris Lattner break; 673007dffd6af673c73352150583150b242a93694f00Chris Lattner } 673180a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner } 6732d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6733b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPTOUINT(Node->getOperand(0).getValueType(), 6734b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6735b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected fp-to-uint conversion!"); 6736b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Hi); 67374e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner break; 673856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng } 67394e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner 674005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SHL: { 674150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6742475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 674350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SHL, VT) == TargetLowering::Custom) { 6744475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SHL, VT, Node->getOperand(0), ShiftAmt); 674550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6746ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 674750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 674850ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 674950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 675050ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 675150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 675250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 675350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 675479980b07dab50da1a8f572f9504674bfa853d484Chris Lattner // If ADDC/ADDE are supported and if the shift amount is a constant 1, emit 675579980b07dab50da1a8f572f9504674bfa853d484Chris Lattner // this X << 1 as X+X. 675679980b07dab50da1a8f572f9504674bfa853d484Chris Lattner if (ConstantSDNode *ShAmt = dyn_cast<ConstantSDNode>(ShiftAmt)) { 6757002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman if (ShAmt->getAPIntValue() == 1 && TLI.isOperationLegal(ISD::ADDC, NVT) && 675879980b07dab50da1a8f572f9504674bfa853d484Chris Lattner TLI.isOperationLegal(ISD::ADDE, NVT)) { 6759475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2], HiOps[3]; 676079980b07dab50da1a8f572f9504674bfa853d484Chris Lattner ExpandOp(Node->getOperand(0), LoOps[0], HiOps[0]); 676179980b07dab50da1a8f572f9504674bfa853d484Chris Lattner SDVTList VTList = DAG.getVTList(LoOps[0].getValueType(), MVT::Flag); 676279980b07dab50da1a8f572f9504674bfa853d484Chris Lattner LoOps[1] = LoOps[0]; 676379980b07dab50da1a8f572f9504674bfa853d484Chris Lattner Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 676479980b07dab50da1a8f572f9504674bfa853d484Chris Lattner 676579980b07dab50da1a8f572f9504674bfa853d484Chris Lattner HiOps[1] = HiOps[0]; 676679980b07dab50da1a8f572f9504674bfa853d484Chris Lattner HiOps[2] = Lo.getValue(1); 676779980b07dab50da1a8f572f9504674bfa853d484Chris Lattner Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 676879980b07dab50da1a8f572f9504674bfa853d484Chris Lattner break; 676979980b07dab50da1a8f572f9504674bfa853d484Chris Lattner } 677079980b07dab50da1a8f572f9504674bfa853d484Chris Lattner } 677179980b07dab50da1a8f572f9504674bfa853d484Chris Lattner 6772e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6773348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SHL, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6774e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 67754759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 67764759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SHL_PARTS, use it. 677705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 677805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SHL_PARTS, NVT); 677905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 678005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6781348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SHL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 67824759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 67834759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 67844759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6785e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6786460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SHL_I64, Node, false/*left shift=unsigned*/, Hi); 6787e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 678805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 6789e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 679005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SRA: { 679150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6792475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 679350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SRA, VT) == TargetLowering::Custom) { 6794475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SRA, VT, Node->getOperand(0), ShiftAmt); 679550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6796ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 679750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 679850ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 679950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 680050ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 680150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 680250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 680350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 6804e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6805348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SRA, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6806e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 68074759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 68084759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SRA_PARTS, use it. 680905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 681005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SRA_PARTS, NVT); 681105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 681205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6813348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SRA_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 68144759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 68154759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 68164759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6817e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6818460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SRA_I64, Node, true/*ashr is signed*/, Hi); 6819e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 682005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 682105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 682205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SRL: { 682350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6824475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 682550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SRL, VT) == TargetLowering::Custom) { 6826475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SRL, VT, Node->getOperand(0), ShiftAmt); 682750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6828ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 682950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 683050ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 683150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 683250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 683350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 683450ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 683550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 6836e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6837348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SRL, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6838e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 68394759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 68404759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SRL_PARTS, use it. 684105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 684205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SRL_PARTS, NVT); 684305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 684405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6845348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SRL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 68464759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 68474759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 68484759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6849e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6850460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SRL_I64, Node, false/*lshr is unsigned*/, Hi); 6851e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 685205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 6853e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 6854edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman case ISD::ADD: 68558137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::SUB: { 68568137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // If the target wants to custom expand this, let them. 68578137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner if (TLI.getOperationAction(Node->getOpcode(), VT) == 68588137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner TargetLowering::Custom) { 6859475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = TLI.LowerOperation(Op, DAG); 6860ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) { 686169bfb15ecd71881ec8d01be94af99b6d90d2fe01Duncan Sands ExpandOp(Result, Lo, Hi); 68628137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner break; 68638137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 68648137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 68658137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Expand the subcomponents. 6866475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 68678137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 68688137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 686979980b07dab50da1a8f572f9504674bfa853d484Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6870475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2], HiOps[3]; 6871bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner LoOps[0] = LHSL; 6872bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner LoOps[1] = RHSL; 6873bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner HiOps[0] = LHSH; 6874bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner HiOps[1] = RHSH; 68752163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth 68765c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth //cascaded check to see if any smaller size has a a carry flag. 68775c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth unsigned OpV = Node->getOpcode() == ISD::ADD ? ISD::ADDC : ISD::SUBC; 68785c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth bool hasCarry = false; 68792163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth for (unsigned BitSize = NVT.getSizeInBits(); BitSize != 0; BitSize /= 2) { 68802163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth MVT AVT = MVT::getIntegerVT(BitSize); 68812163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth if (TLI.isOperationLegal(OpV, AVT)) { 68822163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth hasCarry = true; 68832163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth break; 68842163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth } 68852163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth } 68862163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth 68875c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth if(hasCarry) { 688840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth if (Node->getOpcode() == ISD::ADD) { 688940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 689040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth HiOps[2] = Lo.getValue(1); 689140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 689240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } else { 689340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::SUBC, VTList, LoOps, 2); 689440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth HiOps[2] = Lo.getValue(1); 689540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUBE, VTList, HiOps, 3); 689640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } 689740d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth break; 6898551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman } else { 689940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth if (Node->getOpcode() == ISD::ADD) { 690040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::ADD, VTList, LoOps, 2); 690140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADD, VTList, HiOps, 2); 69025c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth SDValue Cmp1 = DAG.getSetCC(TLI.getSetCCResultType(Lo), 69035c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth Lo, LoOps[0], ISD::SETULT); 690440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Carry1 = DAG.getNode(ISD::SELECT, NVT, Cmp1, 690540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 690640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(0, NVT)); 69075c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth SDValue Cmp2 = DAG.getSetCC(TLI.getSetCCResultType(Lo), 69085c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth Lo, LoOps[1], ISD::SETULT); 690940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Carry2 = DAG.getNode(ISD::SELECT, NVT, Cmp2, 691040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 691140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Carry1); 691240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADD, NVT, Hi, Carry2); 691340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } else { 691440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::SUB, VTList, LoOps, 2); 691540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUB, VTList, HiOps, 2); 691640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Cmp = DAG.getSetCC(NVT, LoOps[0], LoOps[1], ISD::SETULT); 691740d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Borrow = DAG.getNode(ISD::SELECT, NVT, Cmp, 691840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 691940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(0, NVT)); 692040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUB, NVT, Hi, Borrow); 692140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } 692240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth break; 6923551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman } 69248137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 6925b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6926b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::ADDC: 6927b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::SUBC: { 6928b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Expand the subcomponents. 6929475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 6930b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 6931b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 6932b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6933475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2] = { LHSL, RHSL }; 6934475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiOps[3] = { LHSH, RHSH }; 6935b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6936b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner if (Node->getOpcode() == ISD::ADDC) { 6937b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 6938b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6939b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 6940b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } else { 6941b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(ISD::SUBC, VTList, LoOps, 2); 6942b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6943b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(ISD::SUBE, VTList, HiOps, 3); 6944b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6945b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Remember that we legalized the flag. 6946b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Hi.getValue(1))); 6947b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner break; 6948b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6949b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::ADDE: 6950b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::SUBE: { 6951b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Expand the subcomponents. 6952475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 6953b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 6954b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 6955b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6956475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[3] = { LHSL, RHSL, Node->getOperand(2) }; 6957475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiOps[3] = { LHSH, RHSH }; 6958b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6959b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(Node->getOpcode(), VTList, LoOps, 3); 6960b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6961b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(Node->getOpcode(), VTList, HiOps, 3); 6962b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6963b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Remember that we legalized the flag. 6964b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Hi.getValue(1))); 6965b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner break; 6966b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6967c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MUL: { 69687d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner // If the target wants to custom expand this, let them. 69697d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner if (TLI.getOperationAction(ISD::MUL, VT) == TargetLowering::Custom) { 6970475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue New = TLI.LowerOperation(Op, DAG); 6971ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (New.getNode()) { 69728829dc88a8637fe588e299d96de394afc3ecc528Chris Lattner ExpandOp(New, Lo, Hi); 69737d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner break; 69747d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner } 69757d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner } 69767d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner 69773f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, NVT); 69783f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, NVT); 6979525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasSMUL_LOHI = TLI.isOperationLegal(ISD::SMUL_LOHI, NVT); 6980525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasUMUL_LOHI = TLI.isOperationLegal(ISD::UMUL_LOHI, NVT); 6981525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHU || HasMULHS || HasUMUL_LOHI || HasSMUL_LOHI) { 6982475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 6983c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman ExpandOp(Node->getOperand(0), LL, LH); 6984c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman ExpandOp(Node->getOperand(1), RL, RH); 69852e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned OuterBitSize = Op.getValueSizeInBits(); 69862e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned InnerBitSize = RH.getValueSizeInBits(); 6987525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned LHSSB = DAG.ComputeNumSignBits(Op.getOperand(0)); 6988525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned RHSSB = DAG.ComputeNumSignBits(Op.getOperand(1)); 698976c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman APInt HighMask = APInt::getHighBitsSet(OuterBitSize, InnerBitSize); 699076c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman if (DAG.MaskedValueIsZero(Node->getOperand(0), HighMask) && 699176c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman DAG.MaskedValueIsZero(Node->getOperand(1), HighMask)) { 6992525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // The inputs are both zero-extended. 6993525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasUMUL_LOHI) { 6994525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a umul_lohi. 6995525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::UMUL_LOHI, DAG.getVTList(NVT, NVT), LL, RL); 6996ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = SDValue(Lo.getNode(), 1); 6997525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6998525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6999525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHU) { 7000525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a mulhu+mul. 7001525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 7002525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); 7003525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 7004525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 7005525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 70062e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman if (LHSSB > InnerBitSize && RHSSB > InnerBitSize) { 7007525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // The input values are both sign-extended. 7008525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasSMUL_LOHI) { 7009525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a smul_lohi. 7010525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::SMUL_LOHI, DAG.getVTList(NVT, NVT), LL, RL); 7011ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = SDValue(Lo.getNode(), 1); 7012525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 7013525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 7014525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHS) { 7015525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a mulhs+mul. 7016525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 7017525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = DAG.getNode(ISD::MULHS, NVT, LL, RL); 7018525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 7019525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 7020525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 7021525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasUMUL_LOHI) { 7022525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // Lo,Hi = umul LHS, RHS. 7023475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UMulLOHI = DAG.getNode(ISD::UMUL_LOHI, 7024525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman DAG.getVTList(NVT, NVT), LL, RL); 7025525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = UMulLOHI; 7026525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = UMulLOHI.getValue(1); 702756eb86806d5d178d42108f17d11098b3e640b996Nate Begeman RH = DAG.getNode(ISD::MUL, NVT, LL, RH); 702856eb86806d5d178d42108f17d11098b3e640b996Nate Begeman LH = DAG.getNode(ISD::MUL, NVT, LH, RL); 702956eb86806d5d178d42108f17d11098b3e640b996Nate Begeman Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); 703056eb86806d5d178d42108f17d11098b3e640b996Nate Begeman Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); 7031a89654b1a17478a272af33221e325b7feb9aec1bChris Lattner break; 703256eb86806d5d178d42108f17d11098b3e640b996Nate Begeman } 70338eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen if (HasMULHU) { 70348eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 70358eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); 70368eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen RH = DAG.getNode(ISD::MUL, NVT, LL, RH); 70378eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen LH = DAG.getNode(ISD::MUL, NVT, LH, RL); 70388eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); 70398eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); 70408eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen break; 70418eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen } 7042c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman } 70433f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng 7044525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // If nothing else, we can make a libcall. 7045460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::MUL_I64, Node, false/*sign irrelevant*/, Hi); 7046c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman break; 7047c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman } 704856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SDIV: 7049460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SDIV_I64, Node, true, Hi); 705056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 705156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::UDIV: 7052460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::UDIV_I64, Node, true, Hi); 705356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 705456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SREM: 7055460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SREM_I64, Node, true, Hi); 705656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 705756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::UREM: 7058460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::UREM_I64, Node, true, Hi); 705956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 70605c9ce1893a4bee65bc05c7c48f11734f55405692Evan Cheng 70611a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FADD: 7062460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::ADD_F32, 7063460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_F64, 7064460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_F80, 7065460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_PPCF128), 706656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70671a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 70681a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FSUB: 7069460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::SUB_F32, 7070460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_F64, 7071460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_F80, 7072460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_PPCF128), 707356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70741a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 70751a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FMUL: 7076460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::MUL_F32, 7077460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_F64, 7078460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_F80, 7079460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_PPCF128), 708056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70811a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 70821a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FDIV: 7083460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::DIV_F32, 7084460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_F64, 7085460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_F80, 7086460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_PPCF128), 708756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 70881a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 7089b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands case ISD::FP_EXTEND: { 7090ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (VT == MVT::ppcf128) { 7091ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen assert(Node->getOperand(0).getValueType()==MVT::f32 || 7092ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0).getValueType()==MVT::f64); 7093ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen const uint64_t zero = 0; 7094ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (Node->getOperand(0).getValueType()==MVT::f32) 7095ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = DAG.getNode(ISD::FP_EXTEND, MVT::f64, Node->getOperand(0)); 7096ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen else 7097ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = Node->getOperand(0); 7098ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7099ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen break; 7100ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 7101b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPEXT(Node->getOperand(0).getValueType(), VT); 7102b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND!"); 7103b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, true, Hi); 71041a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 7105b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands } 7106b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands case ISD::FP_ROUND: { 7107b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPROUND(Node->getOperand(0).getValueType(), 7108b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 7109b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_ROUND!"); 7110b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, true, Hi); 71111a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 7112b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands } 71134b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FSQRT: 71144b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FSIN: 71154b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FCOS: 71167794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 71177794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 71187794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 71197794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 71207794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 71212bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 71222bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 71232bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 71242bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 71252bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 71269d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOW: 71279d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOWI: { 712856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 712998ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng switch(Node->getOpcode()) { 713056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSQRT: 7131007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64, 7132007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128); 713356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 713456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSIN: 7135007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64, 7136007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SIN_F80, RTLIB::SIN_PPCF128); 713756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 713856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FCOS: 7139007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64, 7140007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::COS_F80, RTLIB::COS_PPCF128); 714156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 71427794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 71437794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64, 71447794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG_F80, RTLIB::LOG_PPCF128); 71457794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 71467794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 71477794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64, 71487794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128); 71497794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 71507794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 71517794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64, 71527794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128); 71537794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 71547794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 71557794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64, 71567794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP_F80, RTLIB::EXP_PPCF128); 71577794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 71587794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 71597794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64, 71607794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128); 71617794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 71622bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 71632bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, 71642bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128); 71652bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71662bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 71672bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, 71682bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128); 71692bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71702bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 71712bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::CEIL_F32, RTLIB::CEIL_F64, 71722bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128); 71732bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71742bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 71752bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::RINT_F32, RTLIB::RINT_F64, 71762bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::RINT_F80, RTLIB::RINT_PPCF128); 71772bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71782bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 71792bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, 71802bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::NEARBYINT_F80, RTLIB::NEARBYINT_PPCF128); 71812bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 71824b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FPOW: 71834b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80, 71844b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng RTLIB::POW_PPCF128); 71854b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng break; 71864b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FPOWI: 71874b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64, RTLIB::POWI_F80, 71884b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng RTLIB::POWI_PPCF128); 71894b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng break; 719098ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng default: assert(0 && "Unreachable!"); 719198ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 7192460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(LC, Node, false, Hi); 719398ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng break; 719498ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 7195966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng case ISD::FABS: { 7196f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen if (VT == MVT::ppcf128) { 7197475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp; 7198f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen ExpandOp(Node->getOperand(0), Lo, Tmp); 7199f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Hi = DAG.getNode(ISD::FABS, NVT, Tmp); 7200f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen // lo = hi==fabs(hi) ? lo : -lo; 7201f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo = DAG.getNode(ISD::SELECT_CC, NVT, Hi, Tmp, 7202f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo, DAG.getNode(ISD::FNEG, NVT, Lo), 7203f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen DAG.getCondCode(ISD::SETEQ)); 7204f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen break; 7205f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen } 7206475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = (VT == MVT::f64) 7207966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) 7208966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); 7209966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Mask = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask); 7210966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 7211966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::AND, NVT, Lo, Mask); 7212966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng if (getTypeAction(NVT) == Expand) 7213966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ExpandOp(Lo, Lo, Hi); 7214966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng break; 7215966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng } 7216966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng case ISD::FNEG: { 7217f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen if (VT == MVT::ppcf128) { 7218f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen ExpandOp(Node->getOperand(0), Lo, Hi); 7219f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo = DAG.getNode(ISD::FNEG, MVT::f64, Lo); 7220f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Hi = DAG.getNode(ISD::FNEG, MVT::f64, Hi); 7221f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen break; 7222f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen } 7223475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = (VT == MVT::f64) 7224966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ? DAG.getConstantFP(BitsToDouble(1ULL << 63), VT) 7225966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng : DAG.getConstantFP(BitsToFloat(1U << 31), VT); 7226966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Mask = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask); 7227966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 7228966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::XOR, NVT, Lo, Mask); 7229966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng if (getTypeAction(NVT) == Expand) 7230966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ExpandOp(Lo, Lo, Hi); 7231966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng break; 7232966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng } 7233912095becac923ff614d7b07728eb345ada67765Evan Cheng case ISD::FCOPYSIGN: { 7234912095becac923ff614d7b07728eb345ada67765Evan Cheng Lo = ExpandFCOPYSIGNToBitwiseOps(Node, NVT, DAG, TLI); 7235912095becac923ff614d7b07728eb345ada67765Evan Cheng if (getTypeAction(NVT) == Expand) 7236912095becac923ff614d7b07728eb345ada67765Evan Cheng ExpandOp(Lo, Lo, Hi); 7237912095becac923ff614d7b07728eb345ada67765Evan Cheng break; 7238912095becac923ff614d7b07728eb345ada67765Evan Cheng } 72397df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng case ISD::SINT_TO_FP: 72407df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng case ISD::UINT_TO_FP: { 72417df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP; 724283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Node->getOperand(0).getValueType(); 7243cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen 7244cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen // Promote the operand if needed. Do this before checking for 7245cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen // ppcf128 so conversions of i16 and i8 work. 7246cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen if (getTypeAction(SrcVT) == Promote) { 7247475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = PromoteOp(Node->getOperand(0)); 7248cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen Tmp = isSigned 7249cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen ? DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp.getValueType(), Tmp, 7250cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen DAG.getValueType(SrcVT)) 7251cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen : DAG.getZeroExtendInReg(Tmp, SrcVT); 7252ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Node = DAG.UpdateNodeOperands(Op, Tmp).getNode(); 7253cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen SrcVT = Node->getOperand(0).getValueType(); 7254cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen } 7255cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen 7256a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman if (VT == MVT::ppcf128 && SrcVT == MVT::i32) { 7257f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t zero = 0; 7258ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (isSigned) { 7259ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = LegalizeOp(DAG.getNode(ISD::SINT_TO_FP, MVT::f64, 7260ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0))); 7261ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7262ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } else { 7263f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t TwoE32[] = { 0x41f0000000000000LL, 0 }; 7264ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = LegalizeOp(DAG.getNode(ISD::SINT_TO_FP, MVT::f64, 7265ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0))); 7266ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7267ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); 72686e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // X>=0 ? {(f64)x, 0} : {(f64)x, 0} + 2^32 7269ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen ExpandOp(DAG.getNode(ISD::SELECT_CC, MVT::ppcf128, Node->getOperand(0), 7270ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getConstant(0, MVT::i32), 7271ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getNode(ISD::FADD, MVT::ppcf128, Hi, 7272ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getConstantFP( 7273ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen APFloat(APInt(128, 2, TwoE32)), 7274ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen MVT::ppcf128)), 7275ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi, 7276ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getCondCode(ISD::SETLT)), 7277ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo, Hi); 7278ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 7279ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen break; 7280ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 72816e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen if (VT == MVT::ppcf128 && SrcVT == MVT::i64 && !isSigned) { 72826e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // si64->ppcf128 done by libcall, below 7283f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t TwoE64[] = { 0x43f0000000000000LL, 0 }; 72846e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen ExpandOp(DAG.getNode(ISD::SINT_TO_FP, MVT::ppcf128, Node->getOperand(0)), 72856e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Lo, Hi); 72866e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); 72876e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // x>=0 ? (ppcf128)(i64)x : (ppcf128)(i64)x + 2^64 72886e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen ExpandOp(DAG.getNode(ISD::SELECT_CC, MVT::ppcf128, Node->getOperand(0), 72896e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getConstant(0, MVT::i64), 72906e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getNode(ISD::FADD, MVT::ppcf128, Hi, 72916e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getConstantFP( 72926e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen APFloat(APInt(128, 2, TwoE64)), 72936e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen MVT::ppcf128)), 72946e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Hi, 72956e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getCondCode(ISD::SETLT)), 72966e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Lo, Hi); 72976e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen break; 72986e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen } 72997df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng 7300a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Lo = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, VT, 7301a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Node->getOperand(0)); 7302110cf48752dcf86c6d95698c08805f1dd534ac83Evan Cheng if (getTypeAction(Lo.getValueType()) == Expand) 73036ad2f930da0ebadb0e000397cea8384c650877bbEvan Cheng // float to i32 etc. can be 'expanded' to a single node. 7304110cf48752dcf86c6d95698c08805f1dd534ac83Evan Cheng ExpandOp(Lo, Lo, Hi); 73057df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng break; 73067df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng } 730798ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 73083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 730983397363348662e9352455ea1e6e88e7026300a4Chris Lattner // Make sure the resultant values have been legalized themselves, unless this 731083397363348662e9352455ea1e6e88e7026300a4Chris Lattner // is a type that requires multi-step expansion. 731183397363348662e9352455ea1e6e88e7026300a4Chris Lattner if (getTypeAction(NVT) != Expand && NVT != MVT::isVoid) { 731283397363348662e9352455ea1e6e88e7026300a4Chris Lattner Lo = LegalizeOp(Lo); 7313ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) 731413acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng // Don't legalize the high part if it is expanded to a single node. 731513acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Hi = LegalizeOp(Hi); 731683397363348662e9352455ea1e6e88e7026300a4Chris Lattner } 731705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 731805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng // Remember in a map if the values will be reused later. 73196b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman bool isNew = 73206b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman ExpandedNodes.insert(std::make_pair(Op, std::make_pair(Lo, Hi))).second; 732105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng assert(isNew && "Value already expanded?!?"); 732224ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 73233e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 73243e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 73257f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// SplitVectorOp - Given an operand of vector type, break it down into 73267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// two smaller values, still of vector type. 7327475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::SplitVectorOp(SDValue Op, SDValue &Lo, 7328475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Hi) { 732983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().isVector() && "Cannot split non-vector type!"); 7330ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 733183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElements = Op.getValueType().getVectorNumElements(); 7332c7029805ef35ce9805931067b841e6af11db382eChris Lattner assert(NumElements > 1 && "Cannot split a single element vector!"); 73335db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 733483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewEltVT = Op.getValueType().getVectorElementType(); 73355db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 73365db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman unsigned NewNumElts_Lo = 1 << Log2_32(NumElements-1); 73375db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman unsigned NewNumElts_Hi = NumElements - NewNumElts_Lo; 73385db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 733983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT_Lo = MVT::getVectorVT(NewEltVT, NewNumElts_Lo); 734083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT_Hi = MVT::getVectorVT(NewEltVT, NewNumElts_Hi); 73415db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 7342c7029805ef35ce9805931067b841e6af11db382eChris Lattner // See if we already split it. 7343475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::pair<SDValue, SDValue> >::iterator I 7344c7029805ef35ce9805931067b841e6af11db382eChris Lattner = SplitNodes.find(Op); 7345c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (I != SplitNodes.end()) { 7346c7029805ef35ce9805931067b841e6af11db382eChris Lattner Lo = I->second.first; 7347c7029805ef35ce9805931067b841e6af11db382eChris Lattner Hi = I->second.second; 7348c7029805ef35ce9805931067b841e6af11db382eChris Lattner return; 7349c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7350c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7351c7029805ef35ce9805931067b841e6af11db382eChris Lattner switch (Node->getOpcode()) { 7352e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey default: 7353e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 735439833585556a69de12053ca1e104fe7edfd86cbdDan Gohman Node->dump(&DAG); 7355e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 7356e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey assert(0 && "Unhandled operation in SplitVectorOp!"); 7357daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner case ISD::UNDEF: 7358daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner Lo = DAG.getNode(ISD::UNDEF, NewVT_Lo); 7359daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner Hi = DAG.getNode(ISD::UNDEF, NewVT_Hi); 7360daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner break; 73617f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_PAIR: 73627f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Lo = Node->getOperand(0); 73637f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Hi = Node->getOperand(1); 73647f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 73659fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman case ISD::INSERT_VECTOR_ELT: { 73666867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman if (ConstantSDNode *Idx = dyn_cast<ConstantSDNode>(Node->getOperand(2))) { 73676867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman SplitVectorOp(Node->getOperand(0), Lo, Hi); 7368f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Index = Idx->getZExtValue(); 7369475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScalarOp = Node->getOperand(1); 73706867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman if (Index < NewNumElts_Lo) 73716867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Lo = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT_Lo, Lo, ScalarOp, 73726867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman DAG.getIntPtrConstant(Index)); 73736867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman else 73746867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Hi = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT_Hi, Hi, ScalarOp, 73756867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman DAG.getIntPtrConstant(Index - NewNumElts_Lo)); 73766867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman break; 73776867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman } 7378475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = PerformInsertVectorEltInMemory(Node->getOperand(0), 73796867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Node->getOperand(1), 73806867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Node->getOperand(2)); 73816867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman SplitVectorOp(Tmp, Lo, Hi); 73829fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman break; 73839fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman } 73846c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner case ISD::VECTOR_SHUFFLE: { 73856c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // Build the low part. 7386475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = Node->getOperand(2); 7387475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 738883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 73896c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner 73906c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // Insert all of the elements from the input that are needed. We use 73916c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // buildvector of extractelement here because the input vectors will have 73926c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // to be legalized, so this makes the code simpler. 73936c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner for (unsigned i = 0; i != NewNumElts_Lo; ++i) { 7394475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue IdxNode = Mask.getOperand(i); 73955922f561c65968ef1865cc8434d191041e450602Nate Begeman if (IdxNode.getOpcode() == ISD::UNDEF) { 73965922f561c65968ef1865cc8434d191041e450602Nate Begeman Ops.push_back(DAG.getNode(ISD::UNDEF, NewEltVT)); 73975922f561c65968ef1865cc8434d191041e450602Nate Begeman continue; 73985922f561c65968ef1865cc8434d191041e450602Nate Begeman } 7399f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(IdxNode)->getZExtValue(); 7400475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InVec = Node->getOperand(0); 74016c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner if (Idx >= NumElements) { 74026c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner InVec = Node->getOperand(1); 74036c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Idx -= NumElements; 74046c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 74056c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewEltVT, InVec, 74066c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner DAG.getConstant(Idx, PtrVT))); 74076c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 74086c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Lo = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Lo, &Ops[0], Ops.size()); 74096c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.clear(); 74106c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner 74116c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner for (unsigned i = NewNumElts_Lo; i != NumElements; ++i) { 7412475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue IdxNode = Mask.getOperand(i); 74135922f561c65968ef1865cc8434d191041e450602Nate Begeman if (IdxNode.getOpcode() == ISD::UNDEF) { 74145922f561c65968ef1865cc8434d191041e450602Nate Begeman Ops.push_back(DAG.getNode(ISD::UNDEF, NewEltVT)); 74155922f561c65968ef1865cc8434d191041e450602Nate Begeman continue; 74165922f561c65968ef1865cc8434d191041e450602Nate Begeman } 7417f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(IdxNode)->getZExtValue(); 7418475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InVec = Node->getOperand(0); 74196c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner if (Idx >= NumElements) { 74206c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner InVec = Node->getOperand(1); 74216c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Idx -= NumElements; 74226c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 74236c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewEltVT, InVec, 74246c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner DAG.getConstant(Idx, PtrVT))); 74256c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 742692879f3a9e6625d4a17a3d93e6250a59b0497660Mon P Wang Hi = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Hi, &Ops[0], Ops.size()); 74276c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner break; 74286c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 74297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_VECTOR: { 7430475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> LoOps(Node->op_begin(), 74315db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Node->op_begin()+NewNumElts_Lo); 74325db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Lo, &LoOps[0], LoOps.size()); 7433c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7434475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> HiOps(Node->op_begin()+NewNumElts_Lo, 74357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Node->op_end()); 74365db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Hi, &HiOps[0], HiOps.size()); 7437c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7438c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 74397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::CONCAT_VECTORS: { 74405db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman // FIXME: Handle non-power-of-two vectors? 74417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman unsigned NewNumSubvectors = Node->getNumOperands() / 2; 74427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (NewNumSubvectors == 1) { 74437f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Lo = Node->getOperand(0); 74447f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Hi = Node->getOperand(1); 74457f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else { 7446aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SmallVector<SDValue, 8> LoOps(Node->op_begin(), 7447aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Node->op_begin()+NewNumSubvectors); 74485db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::CONCAT_VECTORS, NewVT_Lo, &LoOps[0], LoOps.size()); 74496595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 7450aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SmallVector<SDValue, 8> HiOps(Node->op_begin()+NewNumSubvectors, 74517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Node->op_end()); 74525db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::CONCAT_VECTORS, NewVT_Hi, &HiOps[0], HiOps.size()); 74537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 74546595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 74556595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 7456aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang case ISD::EXTRACT_SUBVECTOR: { 7457aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SDValue Vec = Op.getOperand(0); 7458aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SDValue Idx = Op.getOperand(1); 7459aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang MVT IdxVT = Idx.getValueType(); 7460aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang 7461aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Lo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Lo, Vec, Idx); 7462aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang ConstantSDNode *CIdx = dyn_cast<ConstantSDNode>(Idx); 7463aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang if (CIdx) { 7464aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Hi, Vec, 7465aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang DAG.getConstant(CIdx->getZExtValue() + NewNumElts_Lo, 7466aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang IdxVT)); 7467aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } else { 7468aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Idx = DAG.getNode(ISD::ADD, IdxVT, Idx, 7469aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang DAG.getConstant(NewNumElts_Lo, IdxVT)); 7470aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Hi, Vec, Idx); 7471aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } 7472aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang break; 7473aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } 7474c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman case ISD::SELECT: { 7475475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Cond = Node->getOperand(0); 7476c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman 7477475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7478c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Node->getOperand(1), LL, LH); 7479c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Node->getOperand(2), RL, RH); 7480c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman 748183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Cond.getValueType().isVector()) { 7482c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman // Handle a vector merge. 7483475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CL, CH; 7484c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Cond, CL, CH); 74855db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, CL, LL, RL); 74865db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, CH, LH, RH); 7487c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } else { 7488c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman // Handle a simple select with vector operands. 74895db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, Cond, LL, RL); 74905db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, Cond, LH, RH); 7491c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } 7492c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman break; 7493c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } 749480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner case ISD::SELECT_CC: { 7495475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondLHS = Node->getOperand(0); 7496475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondRHS = Node->getOperand(1); 7497475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondCode = Node->getOperand(4); 749880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner 7499475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 750080c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner SplitVectorOp(Node->getOperand(2), LL, LH); 750180c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner SplitVectorOp(Node->getOperand(3), RL, RH); 750280c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner 750380c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner // Handle a simple select with vector operands. 750480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Lo = DAG.getNode(ISD::SELECT_CC, NewVT_Lo, CondLHS, CondRHS, 750580c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner LL, RL, CondCode); 750680c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Hi = DAG.getNode(ISD::SELECT_CC, NewVT_Hi, CondLHS, CondRHS, 750780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner LH, RH, CondCode); 750880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner break; 750980c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner } 7510b43e9c196542acc80c9e4643809661065710848fNate Begeman case ISD::VSETCC: { 7511475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7512b43e9c196542acc80c9e4643809661065710848fNate Begeman SplitVectorOp(Node->getOperand(0), LL, LH); 7513b43e9c196542acc80c9e4643809661065710848fNate Begeman SplitVectorOp(Node->getOperand(1), RL, RH); 7514b43e9c196542acc80c9e4643809661065710848fNate Begeman Lo = DAG.getNode(ISD::VSETCC, NewVT_Lo, LL, RL, Node->getOperand(2)); 7515b43e9c196542acc80c9e4643809661065710848fNate Begeman Hi = DAG.getNode(ISD::VSETCC, NewVT_Hi, LH, RH, Node->getOperand(2)); 7516b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 7517b43e9c196542acc80c9e4643809661065710848fNate Begeman } 75187f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::ADD: 75197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SUB: 75207f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::MUL: 75217f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FADD: 75227f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSUB: 75237f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FMUL: 75247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SDIV: 75257f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UDIV: 75267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FDIV: 7527826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 75287f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::AND: 75297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::OR: 7530089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::XOR: 7531089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::UREM: 7532089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::SREM: 7533089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::FREM: { 7534475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7535c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitVectorOp(Node->getOperand(0), LL, LH); 7536c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitVectorOp(Node->getOperand(1), RL, RH); 7537c7029805ef35ce9805931067b841e6af11db382eChris Lattner 75385db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, LL, RL); 75395db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, LH, RH); 7540c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7541c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 75427f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_ROUND: 7543826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOWI: { 7544475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue L, H; 7545826695281344e3a4c4d44d73dd155107aafd689bDan Gohman SplitVectorOp(Node->getOperand(0), L, H); 7546826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 75475db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, L, Node->getOperand(1)); 75485db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, H, Node->getOperand(1)); 7549826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 7550826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 7551826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTTZ: 7552826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTLZ: 7553826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTPOP: 7554826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FNEG: 7555826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FABS: 7556826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FSQRT: 7557826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FSIN: 7558b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FCOS: 75597794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 75607794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 75617794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 75627794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 75637794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 7564b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FP_TO_SINT: 7565b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FP_TO_UINT: 7566b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::SINT_TO_FP: 75677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::UINT_TO_FP: 75687f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::TRUNCATE: 75697f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ANY_EXTEND: 75707f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SIGN_EXTEND: 75717f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ZERO_EXTEND: 75727f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_EXTEND: { 7573475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue L, H; 7574826695281344e3a4c4d44d73dd155107aafd689bDan Gohman SplitVectorOp(Node->getOperand(0), L, H); 7575826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 75765db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, L); 75775db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, H); 7578826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 7579826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 758077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 758177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 758277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue L, H; 758377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SplitVectorOp(Node->getOperand(0), L, H); 758477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOpL = DAG.getValueType(NewVT_Lo); 758577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOpH = DAG.getValueType(NewVT_Hi); 758677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOpL = DAG.getValueType(L.getValueType()); 758777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOpH = DAG.getValueType(H.getValueType()); 758877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 758977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 759077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 759177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 759277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Lo = DAG.getConvertRndSat(NewVT_Lo, L, DTyOpL, STyOpL, 759377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 759477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Hi = DAG.getConvertRndSat(NewVT_Hi, H, DTyOpH, STyOpH, 759577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 759677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 759777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 75987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::LOAD: { 75997f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LoadSDNode *LD = cast<LoadSDNode>(Node); 7600475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LD->getChain(); 7601475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); 76027f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman ISD::LoadExtType ExtType = LD->getExtensionType(); 76037f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman const Value *SV = LD->getSrcValue(); 76047f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman int SVOffset = LD->getSrcValueOffset(); 76057f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemoryVT = LD->getMemoryVT(); 76067f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman unsigned Alignment = LD->getAlignment(); 76077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman bool isVolatile = LD->isVolatile(); 76087f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 76097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman assert(LD->isUnindexed() && "Indexed vector loads are not supported yet!"); 76107f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Offset = DAG.getNode(ISD::UNDEF, Ptr.getValueType()); 76117f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 76127f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewEltVT = MemoryVT.getVectorElementType(); 76137f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewVT_Lo = MVT::getVectorVT(MemNewEltVT, NewNumElts_Lo); 76147f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewVT_Hi = MVT::getVectorVT(MemNewEltVT, NewNumElts_Hi); 76157f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 76167f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(ISD::UNINDEXED, ExtType, 76177f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT_Lo, Ch, Ptr, Offset, 76187f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SV, SVOffset, MemNewVT_Lo, isVolatile, Alignment); 76197f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman unsigned IncrementSize = NewNumElts_Lo * MemNewEltVT.getSizeInBits()/8; 7620c7029805ef35ce9805931067b841e6af11db382eChris Lattner Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 76210bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 76227f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SVOffset += IncrementSize; 7623dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 76247f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Hi = DAG.getLoad(ISD::UNINDEXED, ExtType, 76257f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT_Hi, Ch, Ptr, Offset, 76267f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SV, SVOffset, MemNewVT_Hi, isVolatile, Alignment); 7627c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7628c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Build a factor node to remember that this load is independent of the 7629c7029805ef35ce9805931067b841e6af11db382eChris Lattner // other one. 7630475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 7631c7029805ef35ce9805931067b841e6af11db382eChris Lattner Hi.getValue(1)); 7632c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7633c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember that we legalized the chain. 7634c7029805ef35ce9805931067b841e6af11db382eChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(TF)); 7635c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7636c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 76377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BIT_CONVERT: { 76387692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner // We know the result is a vector. The input may be either a vector or a 76397692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner // scalar value. 7640475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InOp = Node->getOperand(0); 764183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!InOp.getValueType().isVector() || 764283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands InOp.getValueType().getVectorNumElements() == 1) { 764310a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // The input is a scalar or single-element vector. 764410a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // Lower to a store/load so that it can be split. 764510a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // FIXME: this could be improved probably. 76462920d2b7b601d9dfcec783cb91316f35b6811be1Mon P Wang unsigned LdAlign = TLI.getTargetData()->getPrefTypeAlignment( 76472920d2b7b601d9dfcec783cb91316f35b6811be1Mon P Wang Op.getValueType().getTypeForMVT()); 7648475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = DAG.CreateStackTemporary(InOp.getValueType(), LdAlign); 7649ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif int FI = cast<FrameIndexSDNode>(Ptr.getNode())->getIndex(); 76507692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner 7651475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue St = DAG.getStore(DAG.getEntryNode(), 765269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman InOp, Ptr, 7653a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(FI), 0); 765469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman InOp = DAG.getLoad(Op.getValueType(), St, Ptr, 7655a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(FI), 0); 76567692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner } 765710a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // Split the vector and convert each of the pieces now. 765810a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman SplitVectorOp(InOp, Lo, Hi); 76595db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::BIT_CONVERT, NewVT_Lo, Lo); 76605db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::BIT_CONVERT, NewVT_Hi, Hi); 766110a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman break; 76627692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner } 7663c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7664c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7665c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember in a map if the values will be reused later. 766640030bfa75ae6d72702bc60e964ae2fce8c0f3edChris Lattner bool isNew = 7667c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitNodes.insert(std::make_pair(Op, std::make_pair(Lo, Hi))).second; 766810a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman assert(isNew && "Value already split?!?"); 766924ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 7670c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 7671c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7672c7029805ef35ce9805931067b841e6af11db382eChris Lattner 767389b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// ScalarizeVectorOp - Given an operand of single-element vector type 767489b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// (e.g. v1f32), convert it into the equivalent operation that returns a 767589b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// scalar (e.g. f32) value. 7676475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ScalarizeVectorOp(SDValue Op) { 767783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().isVector() && "Bad ScalarizeVectorOp invocation!"); 7678ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 767983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT = Op.getValueType().getVectorElementType(); 768083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().getVectorNumElements() == 1); 7681c7029805ef35ce9805931067b841e6af11db382eChris Lattner 76827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // See if we already scalarized it. 7683475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, SDValue>::iterator I = ScalarizedNodes.find(Op); 76847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (I != ScalarizedNodes.end()) return I->second; 7685c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7686475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 7687c7029805ef35ce9805931067b841e6af11db382eChris Lattner switch (Node->getOpcode()) { 76882332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: 7689e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 769039833585556a69de12053ca1e104fe7edfd86cbdDan Gohman Node->dump(&DAG); cerr << "\n"; 7691e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 76927f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(0 && "Unknown vector operation in ScalarizeVectorOp!"); 76937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::ADD: 76947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FADD: 76957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SUB: 76967f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSUB: 76977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::MUL: 76987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FMUL: 76997f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SDIV: 77007f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UDIV: 77017f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FDIV: 77027f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SREM: 77037f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UREM: 77047f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FREM: 7705826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 77067f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::AND: 77077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::OR: 77087f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::XOR: 77097f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(Node->getOpcode(), 7710c7029805ef35ce9805931067b841e6af11db382eChris Lattner NewVT, 77117f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0)), 77127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(1))); 7713c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 77147f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FNEG: 77157f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FABS: 77167f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSQRT: 77177f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSIN: 77187f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FCOS: 77197794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 77207794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 77217794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 77227794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 77237794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 77247f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_TO_SINT: 77257f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_TO_UINT: 77267f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SINT_TO_FP: 77277f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::UINT_TO_FP: 77287f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SIGN_EXTEND: 77297f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ZERO_EXTEND: 77307f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ANY_EXTEND: 77317f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::TRUNCATE: 77327f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_EXTEND: 77337f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(Node->getOpcode(), 77347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman NewVT, 77357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0))); 77367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 773777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 773877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue Op0 = ScalarizeVectorOp(Node->getOperand(0)); 773977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(NewVT, Op0, 774077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DAG.getValueType(NewVT), 774177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DAG.getValueType(Op0.getValueType()), 774277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(3), 774377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(4), 774477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang cast<CvtRndSatSDNode>(Node)->getCvtCode()); 774577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 774677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 77479e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman case ISD::FPOWI: 77487f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_ROUND: 77499e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman Result = DAG.getNode(Node->getOpcode(), 77509e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman NewVT, 77519e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman ScalarizeVectorOp(Node->getOperand(0)), 77529e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman Node->getOperand(1)); 77539e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman break; 77547f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::LOAD: { 77557f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LoadSDNode *LD = cast<LoadSDNode>(Node); 7756475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LegalizeOp(LD->getChain()); // Legalize the chain. 7757475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LegalizeOp(LD->getBasePtr()); // Legalize the pointer. 77587f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman ISD::LoadExtType ExtType = LD->getExtensionType(); 77597f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman const Value *SV = LD->getSrcValue(); 77607f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman int SVOffset = LD->getSrcValueOffset(); 77617f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemoryVT = LD->getMemoryVT(); 77627f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman unsigned Alignment = LD->getAlignment(); 77637f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman bool isVolatile = LD->isVolatile(); 77647f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 77657f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman assert(LD->isUnindexed() && "Indexed vector loads are not supported yet!"); 77667f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Offset = DAG.getNode(ISD::UNDEF, Ptr.getValueType()); 77677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 77687f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getLoad(ISD::UNINDEXED, ExtType, 77697f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT, Ch, Ptr, Offset, SV, SVOffset, 77707f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MemoryVT.getVectorElementType(), 77717f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman isVolatile, Alignment); 77727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 7773c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember that we legalized the chain. 7774c7029805ef35ce9805931067b841e6af11db382eChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 7775c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7776c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 77777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_VECTOR: 77787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = Node->getOperand(0); 77797f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 77807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::INSERT_VECTOR_ELT: 77817f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Returning the inserted scalar element. 77827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = Node->getOperand(1); 7783c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 77847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::CONCAT_VECTORS: 77856595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman assert(Node->getOperand(0).getValueType() == NewVT && 77866595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman "Concat of non-legal vectors not yet supported!"); 77876595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Result = Node->getOperand(0); 77886595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 77897f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::VECTOR_SHUFFLE: { 77907f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if the scalar is the LHS or RHS and return it. 7791475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue EltNum = Node->getOperand(2).getOperand(0); 7792f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(EltNum)->getZExtValue()) 77937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ScalarizeVectorOp(Node->getOperand(1)); 77947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman else 77957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ScalarizeVectorOp(Node->getOperand(0)); 77962332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 77977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 77987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 7799e0b436ac41a00bc210163964d3cf393c8b487c9eMon P Wang Result = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewVT, Node->getOperand(0), 7800aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Node->getOperand(1)); 78016595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 7802446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng case ISD::BIT_CONVERT: { 7803475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0 = Op.getOperand(0); 780483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Op0.getValueType().getVectorNumElements() == 1) 7805446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng Op0 = ScalarizeVectorOp(Op0); 7806446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, Op0); 7807db3c626eb9e85e9192dbee59ff0c4d143c37c94dEvan Cheng break; 7808446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng } 78097f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SELECT: 7810b22e35a3c3bec07f5559c1476b3143e0d6d64269Chris Lattner Result = DAG.getNode(ISD::SELECT, NewVT, Op.getOperand(0), 78117f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Op.getOperand(1)), 78127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Op.getOperand(2))); 7813b22e35a3c3bec07f5559c1476b3143e0d6d64269Chris Lattner break; 781480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner case ISD::SELECT_CC: 781580c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Result = DAG.getNode(ISD::SELECT_CC, NewVT, Node->getOperand(0), 781680c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Node->getOperand(1), 781780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner ScalarizeVectorOp(Op.getOperand(2)), 781880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner ScalarizeVectorOp(Op.getOperand(3)), 781980c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Node->getOperand(4)); 782080c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner break; 78210d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman case ISD::VSETCC: { 7822475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0 = ScalarizeVectorOp(Op.getOperand(0)); 7823475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1 = ScalarizeVectorOp(Op.getOperand(1)); 78240d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Result = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Op0), Op0, Op1, 78250d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Op.getOperand(2)); 78260d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Result = DAG.getNode(ISD::SELECT, NewVT, Result, 78270d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman DAG.getConstant(-1ULL, NewVT), 78280d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman DAG.getConstant(0ULL, NewVT)); 78290d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman break; 78300d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman } 7831c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7832c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7833c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (TLI.isTypeLegal(NewVT)) 7834c7029805ef35ce9805931067b841e6af11db382eChris Lattner Result = LegalizeOp(Result); 78357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman bool isNew = ScalarizedNodes.insert(std::make_pair(Op, Result)).second; 78367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(isNew && "Value already scalarized?"); 783724ac408ce891321d1a5d62beaf3487efce6f2b22Evan Cheng isNew = isNew; 7838c7029805ef35ce9805931067b841e6af11db382eChris Lattner return Result; 7839c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 7840c7029805ef35ce9805931067b841e6af11db382eChris Lattner 78413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 78420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::WidenVectorOp(SDValue Op, MVT WidenVT) { 78430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = WidenNodes.find(Op); 78440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) return I->second; 78450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VT = Op.getValueType(); 78470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(VT.isVector() && "Cannot widen non-vector type!"); 78480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Result; 78500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDNode *Node = Op.getNode(); 78510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT = VT.getVectorElementType(); 78520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumElts = VT.getVectorNumElements(); 78540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NewNumElts = WidenVT.getVectorNumElements(); 78550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts > NumElts && "Cannot widen to smaller type!"); 78560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts < 17); 78570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // When widen is called, it is assumed that it is more efficient to use a 78590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // wide type. The default action is to widen to operation to a wider legal 78600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector type and then do the operation if it is legal by calling LegalizeOp 78610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // again. If there is no vector equivalent, we will unroll the operation, do 78620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // it, and rebuild the vector. If most of the operations are vectorizible to 78630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the legal type, the resulting code will be more efficient. If this is not 78640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the case, the resulting code will preform badly as we end up generating 78650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // code to pack/unpack the results. It is the function that calls widen 7866f007a8b931e229eb325319c97363be8507311e2eMon P Wang // that is responsible for seeing this doesn't happen. 78670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (Node->getOpcode()) { 78680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: 78690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang#ifndef NDEBUG 78700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Node->dump(&DAG); 78710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang#endif 78720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 78730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CopyFromReg: 787549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang assert(0 && "CopyFromReg doesn't need widening!"); 78760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::Constant: 78770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ConstantFP: 78780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // To build a vector of these elements, clients should call BuildVector 78790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // and with each element instead of creating a node with a vector type 78800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 78810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::VAARG: 78820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Variable Arguments with vector types doesn't make any sense to me 78830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 78840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 788549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::UNDEF: 788649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = DAG.getNode(ISD::UNDEF, WidenVT); 788749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang break; 78880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BUILD_VECTOR: { 78890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Build a vector with undefined for the new nodes 78900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector NewOps(Node->op_begin(), Node->op_end()); 78910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = NumElts; i < NewNumElts; ++i) { 78920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getNode(ISD::UNDEF,EVT)); 78930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::BUILD_VECTOR, WidenVT, &NewOps[0], NewOps.size()); 78950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::INSERT_VECTOR_ELT: { 78980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 78990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::INSERT_VECTOR_ELT, WidenVT, Tmp1, 79000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Node->getOperand(1), Node->getOperand(2)); 79010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::VECTOR_SHUFFLE: { 79040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 79050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), WidenVT); 79060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // VECTOR_SHUFFLE 3rd operand must be a constant build vector that is 79070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // used as permutation array. We build the vector here instead of widening 79080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // because we don't want to legalize and have it turned to something else. 79090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue PermOp = Node->getOperand(2); 79100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector NewOps; 79110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT PVT = PermOp.getValueType().getVectorElementType(); 79120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = 0; i < NumElts; ++i) { 79130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (PermOp.getOperand(i).getOpcode() == ISD::UNDEF) { 79140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(PermOp.getOperand(i)); 79150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } else { 79160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 79170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang cast<ConstantSDNode>(PermOp.getOperand(i))->getZExtValue(); 79180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (Idx < NumElts) { 79190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(PermOp.getOperand(i)); 79200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 79220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getConstant(Idx + NewNumElts - NumElts, 79230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang PermOp.getOperand(i).getValueType())); 79240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = NumElts; i < NewNumElts; ++i) { 79280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getNode(ISD::UNDEF,PVT)); 79290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp3 = DAG.getNode(ISD::BUILD_VECTOR, 79320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT::getVectorVT(PVT, NewOps.size()), 79330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &NewOps[0], NewOps.size()); 79340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::VECTOR_SHUFFLE, WidenVT, Tmp1, Tmp2, Tmp3); 79360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::LOAD: { 79390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // If the load widen returns true, we can use a single load for the 79400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector. Otherwise, it is returning a token factor for multiple 79410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // loads. 79420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue TFOp; 79430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LoadWidenVectorOp(Result, TFOp, Op, WidenVT)) 79440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang AddLegalizedOperand(Op.getValue(1), LegalizeOp(TFOp.getValue(1))); 79450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else 79460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang AddLegalizedOperand(Op.getValue(1), LegalizeOp(TFOp.getValue(0))); 79470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BIT_CONVERT: { 79510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = Node->getOperand(0); 79520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Converts between two different types so we need to determine 79530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the correct widen type for the input operand. 79540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TVT = Tmp1.getValueType(); 79550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "can not widen non vector type"); 79560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TEVT = TVT.getVectorElementType(); 79570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(WidenVT.getSizeInBits() % EVT.getSizeInBits() == 0 && 79580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang "can not widen bit bit convert that are not multiple of element type"); 79590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TWidenVT = MVT::getVectorVT(TEVT, 79600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenVT.getSizeInBits()/EVT.getSizeInBits()); 79610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TWidenVT); 79620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType().getSizeInBits() == WidenVT.getSizeInBits()); 79630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 79640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 79660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 79670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 79680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 79690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 79700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 79720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 79730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 79750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 79760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 79770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SINT_TO_FP: 79830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UINT_TO_FP: 79840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_TO_SINT: 79850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_TO_UINT: { 79860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = Node->getOperand(0); 79870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Converts between two different types so we need to determine 79880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the correct widen type for the input operand. 79890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TVT = Tmp1.getValueType(); 79900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "can not widen non vector type"); 79910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TEVT = TVT.getVectorElementType(); 79920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TWidenVT = MVT::getVectorVT(TEVT, NewNumElts); 79930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TWidenVT); 79940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType().getVectorNumElements() == NewNumElts); 79950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 79960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_EXTEND: 80000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Case not implemented. Dynamically dead with 2 FP types!"); 80010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::TRUNCATE: 80020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SIGN_EXTEND: 80030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ZERO_EXTEND: 80040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ANY_EXTEND: 80050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_ROUND: 80060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SIGN_EXTEND_INREG: 80070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FABS: 80080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FNEG: 80090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSQRT: 80100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSIN: 801149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::FCOS: 801249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTPOP: 801349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTTZ: 801449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTLZ: { 80150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Unary op widening 80160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1; 80170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 80190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 80200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 802277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 802377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 802477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 802577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SrcOp = Node->getOperand(0); 802677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 802777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // Converts between two different types so we need to determine 802877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // the correct widen type for the input operand. 802977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SVT = SrcOp.getValueType(); 803077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert(SVT.isVector() && "can not widen non vector type"); 803177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SEVT = SVT.getVectorElementType(); 803277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SWidenVT = MVT::getVectorVT(SEVT, NewNumElts); 803377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 803477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SrcOp = WidenVectorOp(SrcOp, SWidenVT); 803577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert(SrcOp.getValueType() == WidenVT); 803677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOp = DAG.getValueType(WidenVT); 803777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOp = DAG.getValueType(SrcOp.getValueType()); 803877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 803977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 804077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(WidenVT, SrcOp, DTyOp, STyOp, 804177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 804277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 804377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 80440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FPOW: 80450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FPOWI: 80460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ADD: 80470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SUB: 80480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MUL: 80490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MULHS: 80500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MULHU: 80510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::AND: 80520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::OR: 80530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::XOR: 80540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FADD: 80550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSUB: 80560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FMUL: 80570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SDIV: 80580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SREM: 80590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FDIV: 80600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FREM: 80610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FCOPYSIGN: 80620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UDIV: 80630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UREM: 80640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BSWAP: { 80650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Binary op widening 80660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), WidenVT); 80680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT); 80690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Tmp2); 80700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SHL: 80740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SRA: 80750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SRL: { 80760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 8078fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang SDValue ShOp = Node->getOperand(1); 8079fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang MVT ShVT = ShOp.getValueType(); 8080fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang MVT NewShVT = MVT::getVectorVT(ShVT.getVectorElementType(), 8081fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang WidenVT.getVectorNumElements()); 8082fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang ShOp = WidenVectorOp(ShOp, NewShVT); 8083fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang assert(ShOp.getValueType() == NewShVT); 8084fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, ShOp); 80850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 8087fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang 80880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::EXTRACT_VECTOR_ELT: { 80890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 80910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), EVT, Tmp1, Node->getOperand(1)); 80920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CONCAT_VECTORS: { 80950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We concurrently support only widen on a multiple of the incoming vector. 80960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We could widen on a multiple of the incoming operand if necessary. 80970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumConcat = NewNumElts / NumElts; 80980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts % NumElts == 0 && "Can widen only a multiple of vector"); 8099fb13f008cb2a6a51d2d590f994051586774734a1Mon P Wang SDValue UndefVal = DAG.getNode(ISD::UNDEF, VT); 81000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SmallVector<SDValue, 8> MOps; 81010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MOps.push_back(Op); 81020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = 1; i != NumConcat; ++i) { 81030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MOps.push_back(UndefVal); 81040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, WidenVT, 81060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &MOps[0], MOps.size())); 81070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::EXTRACT_SUBVECTOR: { 811049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue Tmp1 = Node->getOperand(0); 811149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue Idx = Node->getOperand(1); 811249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang ConstantSDNode *CIdx = dyn_cast<ConstantSDNode>(Idx); 811349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (CIdx && CIdx->getZExtValue() == 0) { 811449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // Since we are access the start of the vector, the incoming 811549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // vector type might be the proper. 811649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MVT Tmp1VT = Tmp1.getValueType(); 811749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (Tmp1VT == WidenVT) 811849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang return Tmp1; 811949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang else { 812049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang unsigned Tmp1VTNumElts = Tmp1VT.getVectorNumElements(); 812149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (Tmp1VTNumElts < NewNumElts) 812249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = WidenVectorOp(Tmp1, WidenVT); 812349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang else 812449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = DAG.getNode(ISD::EXTRACT_SUBVECTOR, WidenVT, Tmp1, Idx); 812549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 812649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } else if (NewNumElts % NumElts == 0) { 812749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // Widen the extracted subvector. 812849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang unsigned NumConcat = NewNumElts / NumElts; 812949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue UndefVal = DAG.getNode(ISD::UNDEF, VT); 813049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SmallVector<SDValue, 8> MOps; 813149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MOps.push_back(Op); 813249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang for (unsigned i = 1; i != NumConcat; ++i) { 813349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MOps.push_back(UndefVal); 813449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 813549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, WidenVT, 813649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang &MOps[0], MOps.size())); 813749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } else { 813849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang assert(0 && "can not widen extract subvector"); 813949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // This could be implemented using insert and build vector but I would 814049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // like to see when this happens. 814149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 81420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SELECT: { 81460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Determine new condition widen type and widen 81470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond1 = Node->getOperand(0); 81480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondVT = Cond1.getValueType(); 81490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT.isVector() && "can not widen non vector type"); 81500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondEVT = CondVT.getVectorElementType(); 81510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondWidenVT = MVT::getVectorVT(CondEVT, NewNumElts); 81520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond1 = WidenVectorOp(Cond1, CondWidenVT); 81530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Cond1.getValueType() == CondWidenVT && "Condition not widen"); 81540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(1), WidenVT); 81560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(2), WidenVT); 81570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT); 81580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Cond1, Tmp1, Tmp2); 81590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SELECT_CC: { 81630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Determine new condition widen type and widen 81640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond1 = Node->getOperand(0); 81650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond2 = Node->getOperand(1); 81660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondVT = Cond1.getValueType(); 81670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT.isVector() && "can not widen non vector type"); 81680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT == Cond2.getValueType() && "mismatch lhs/rhs"); 81690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondEVT = CondVT.getVectorElementType(); 81700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondWidenVT = MVT::getVectorVT(CondEVT, NewNumElts); 81710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond1 = WidenVectorOp(Cond1, CondWidenVT); 81720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond2 = WidenVectorOp(Cond2, CondWidenVT); 81730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Cond1.getValueType() == CondWidenVT && 81740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond2.getValueType() == CondWidenVT && "condition not widen"); 81750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(2), WidenVT); 81770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(3), WidenVT); 81780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT && 81790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang "operands not widen"); 81800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Cond1, Cond2, Tmp1, 81810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp2, Node->getOperand(4)); 81820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81832eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang } 81842eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang case ISD::VSETCC: { 81852eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang // Determine widen for the operand 81862eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang SDValue Tmp1 = Node->getOperand(0); 81872eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpVT = Tmp1.getValueType(); 81882eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang assert(TmpVT.isVector() && "can not widen non vector type"); 81892eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpEVT = TmpVT.getVectorElementType(); 81902eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpWidenVT = MVT::getVectorVT(TmpEVT, NewNumElts); 81912eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TmpWidenVT); 81922eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), TmpWidenVT); 81932eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Tmp2, 81942eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Node->getOperand(2)); 81950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_8: 81980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_16: 81990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_32: 82000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_64: 82010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_8: 82020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_8: 82030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_8: 82040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_8: 82050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_8: 82060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_8: 82070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_8: 82080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_8: 82090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_8: 82100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_8: 82110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_8: 82120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_16: 82130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_16: 82140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_16: 82150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_16: 82160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_16: 82170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_16: 82180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_16: 82190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_16: 82200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_16: 82210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_16: 82220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_16: 82230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_32: 82240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_32: 82250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_32: 82260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_32: 82270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_32: 82280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_32: 82290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_32: 82300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_32: 82310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_32: 82320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_32: 82330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_32: 82340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_64: 82350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_64: 82360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_64: 82370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_64: 82380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_64: 82390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_64: 82400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_64: 82410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_64: 82420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_64: 82430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_64: 82440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_64: { 82450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // For now, we assume that using vectors for these operations don't make 82460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // much sense so we just split it. We return an empty result 82470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue X, Y; 82480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SplitVectorOp(Op, X, Y); 82490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return Result; 82500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 82510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } // end switch (Node->getOpcode()) 82540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Result.getNode() && "Didn't set a result!"); 82560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (Result != Op) 82570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(Result); 82580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 8259f007a8b931e229eb325319c97363be8507311e2eMon P Wang AddWidenedOperand(Op, Result); 82600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return Result; 82610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 82620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Utility function to find a legal vector type and its associated element 82640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// type from a preferred width and whose vector type must be the same size 82650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// as the VVT. 82660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// TLI: Target lowering used to determine legal types 82670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Width: Preferred width of element type 82680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// VVT: Vector value type whose size we must match. 82690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Returns VecEVT and EVT - the vector type and its associated element type 82700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangstatic void FindWidenVecType(TargetLowering &TLI, unsigned Width, MVT VVT, 82710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT& EVT, MVT& VecEVT) { 82720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We start with the preferred width, make it a power of 2 and see if 82730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we can find a vector type of that width. If not, we reduce it by 82740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // another power of 2. If we have widen the type, a vector of bytes should 82750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // always be legal. 82760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TLI.isTypeLegal(VVT)); 82770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EWidth = Width + 1; 82780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang do { 82790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(EWidth > 0); 82800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EWidth = (1 << Log2_32(EWidth-1)); 82810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVT = MVT::getIntegerVT(EWidth); 82820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumEVT = VVT.getSizeInBits()/EWidth; 82830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecEVT = MVT::getVectorVT(EVT, NumEVT); 82840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } while (!TLI.isTypeLegal(VecEVT) || 82850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VVT.getSizeInBits() != VecEVT.getSizeInBits()); 82860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 82870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::genWidenVectorLoads(SDValueVector& LdChain, 82890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 82900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, 82910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV, 82920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, 82930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment, 82940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, 82950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned LdWidth, 82960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT ResType) { 82970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We assume that we have good rules to handle loading power of two loads so 82980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we break down the operations to power of 2 loads. The strategy is to 82990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // load the largest power of 2 that we can easily transform to a legal vector 83000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // and then insert into that vector, and the cast the result into the legal 83010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector that we want. This avoids unnecessary stack converts. 83020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: If the Ldwidth is legal, alignment is the same as the LdWidth, and 83030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the load is nonvolatile, we an use a wider load for the value. 83040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Find a vector length we can load a large chunk 83050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT, VecEVT; 83060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EVTWidth; 83070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, LdWidth, ResType, EVT, VecEVT); 83080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 83090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue LdOp = DAG.getLoad(EVT, Chain, BasePtr, SV, SVOffset, 83110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 83120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue VecOp = DAG.getNode(ISD::SCALAR_TO_VECTOR, VecEVT, LdOp); 83130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdChain.push_back(LdOp.getValue(1)); 83140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we can load the element with one instruction 83160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdWidth == EVTWidth) { 83170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::BIT_CONVERT, ResType, VecOp); 83180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // The vector element order is endianness dependent. 83210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 1; 83220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdWidth -= EVTWidth; 83230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Offset = 0; 83240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang while (LdWidth > 0) { 83260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Increment = EVTWidth / 8; 83270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Offset += Increment; 83280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang BasePtr = DAG.getNode(ISD::ADD, BasePtr.getValueType(), BasePtr, 83290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Increment)); 83300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdWidth < EVTWidth) { 83320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Our current type we are using is too large, use a smaller size by 83330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // using a smaller power of 2 83340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned oEVTWidth = EVTWidth; 83350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, LdWidth, ResType, EVT, VecEVT); 83360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 83370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Readjust position and vector position based on new load type 833849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Idx = Idx * (oEVTWidth/EVTWidth); 83390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, VecOp); 83400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue LdOp = DAG.getLoad(EVT, Chain, BasePtr, SV, 83430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset+Offset, isVolatile, 83440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MinAlign(Alignment, Offset)); 83450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdChain.push_back(LdOp.getValue(1)); 83460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::INSERT_VECTOR_ELT, VecEVT, VecOp, LdOp, 83470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Idx++)); 83480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdWidth -= EVTWidth; 83500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::BIT_CONVERT, ResType, VecOp); 83530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 83540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangbool SelectionDAGLegalize::LoadWidenVectorOp(SDValue& Result, 83560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue& TFOp, 83570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Op, 83580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT NVT) { 83590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: Add support for ConcatVec and the ability to load many vector 83600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // types (e.g., v4i8). This will not work when a vector register 83610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // to memory mapping is strange (e.g., vector elements are not 83620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // stored in some sequential order). 83630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It must be true that the widen vector type is bigger than where 83650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we need to load from. 83660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LoadSDNode *LD = cast<LoadSDNode>(Op.getNode()); 83670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT LdVT = LD->getMemoryVT(); 83680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(LdVT.isVector() && NVT.isVector()); 83690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(LdVT.getVectorElementType() == NVT.getVectorElementType()); 83700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Load information 83720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain = LD->getChain(); 83730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr = LD->getBasePtr(); 83740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset = LD->getSrcValueOffset(); 83750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment = LD->getAlignment(); 83760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile = LD->isVolatile(); 83770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV = LD->getSrcValue(); 83780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned int LdWidth = LdVT.getSizeInBits(); 83790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Load value as a large register 83810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector LdChain; 83820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = genWidenVectorLoads(LdChain, Chain, BasePtr, SV, SVOffset, 83830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Alignment, isVolatile, LdWidth, NVT); 83840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdChain.size() == 1) { 83860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TFOp = LdChain[0]; 83870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return true; 83880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 83900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TFOp=DAG.getNode(ISD::TokenFactor, MVT::Other, &LdChain[0], LdChain.size()); 83910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return false; 83920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 83940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangvoid SelectionDAGLegalize::genWidenVectorStores(SDValueVector& StChain, 83970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 83980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, 83990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV, 84000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, 84010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment, 84020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, 840349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue ValOp, 84040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned StWidth) { 84050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Breaks the stores into a series of power of 2 width stores. For any 84060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // width, we convert the vector to the vector of element size that we 84070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // want to store. This avoids requiring a stack convert. 84080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Find a width of the element type we can store with 84100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = ValOp.getValueType(); 84110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT, VecEVT; 84120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EVTWidth; 84130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, StWidth, VVT, EVT, VecEVT); 84140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 84150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, ValOp); 84170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp, 8418e0b436ac41a00bc210163964d3cf393c8b487c9eMon P Wang DAG.getIntPtrConstant(0)); 84190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue StOp = DAG.getStore(Chain, EOp, BasePtr, SV, SVOffset, 84200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 84210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StChain.push_back(StOp); 84220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we are done 84240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StWidth == EVTWidth) { 84250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return; 84260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 1; 84290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StWidth -= EVTWidth; 84300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Offset = 0; 84310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang while (StWidth > 0) { 84330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Increment = EVTWidth / 8; 84340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Offset += Increment; 84350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang BasePtr = DAG.getNode(ISD::ADD, BasePtr.getValueType(), BasePtr, 84360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Increment)); 84370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StWidth < EVTWidth) { 84390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Our current type we are using is too large, use a smaller size by 84400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // using a smaller power of 2 84410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned oEVTWidth = EVTWidth; 84420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, StWidth, VVT, EVT, VecEVT); 84430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 84440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Readjust position and vector position based on new load type 844549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Idx = Idx * (oEVTWidth/EVTWidth); 84460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, VecOp); 84470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp, 845049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang DAG.getIntPtrConstant(Idx++)); 84510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StChain.push_back(DAG.getStore(Chain, EOp, BasePtr, SV, 84520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset + Offset, isVolatile, 84530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MinAlign(Alignment, Offset))); 84540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StWidth -= EVTWidth; 84550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 84570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::StoreWidenVectorOp(StoreSDNode *ST, 84600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 84610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr) { 84620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: It might be cleaner if we can use SplitVector and have more legal 84630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector types that can be stored into memory (e.g., v4xi8 can 84640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // be stored as a word). This will not work when a vector register 84650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // to memory mapping is strange (e.g., vector elements are not 84660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // stored in some sequential order). 84670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT StVT = ST->getMemoryVT(); 84690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue ValOp = ST->getValue(); 84700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we have widen this node with another value 84720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = WidenNodes.find(ValOp); 84730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) 84740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ValOp = I->second; 84750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = ValOp.getValueType(); 84770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It must be true that we the widen vector type is bigger than where 84790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we need to store. 84800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.isVector() && VVT.isVector()); 84810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.getSizeInBits() < VVT.getSizeInBits()); 84820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.getVectorElementType() == VVT.getVectorElementType()); 84830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Store value 84850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector StChain; 84860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang genWidenVectorStores(StChain, Chain, BasePtr, ST->getSrcValue(), 84870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ST->getSrcValueOffset(), ST->getAlignment(), 84880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ST->isVolatile(), ValOp, StVT.getSizeInBits()); 84890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StChain.size() == 1) 84900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return StChain[0]; 84910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else 84920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::TokenFactor, MVT::Other,&StChain[0],StChain.size()); 84930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 84940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84963e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// SelectionDAG::Legalize - This is the entry point for the file. 84973e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// 84989c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattnervoid SelectionDAG::Legalize() { 84993e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// run - This is the main entry point to this class. 85003e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// 8501456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner SelectionDAGLegalize(*this).LegalizeDAG(); 85023e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 85033e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 8504