LegalizeDAG.cpp revision 8ac0d4b4fb10406278cd600214cd3ee6d76620cd
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?"); 11769a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner // If someone requests legalization of the new node, return itself. 11869a889eb35d59a10e78a07cc26d41cbab31eddceChris Lattner LegalizedNodes.insert(std::make_pair(To, To)); 11903c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 120f007a8b931e229eb325319c97363be8507311e2eMon P Wang void AddWidenedOperand(SDValue From, SDValue To) { 1210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isNew = WidenNodes.insert(std::make_pair(From, To)).second; 1220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(isNew && "Got into the map somehow?"); 1230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // If someone requests legalization of the new node, return itself. 1240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LegalizedNodes.insert(std::make_pair(To, To)); 1250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 1268afc48e44ad8868c1d41511db645e2ba1a4b894eChris Lattner 1273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnerpublic: 1281002c0203450620594a85454c6a095ca94b87cb2Dan Gohman explicit SelectionDAGLegalize(SelectionDAG &DAG); 1293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1303e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// getTypeAction - Return how we should legalize values of this type, either 1313e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// it is already legal or we need to expand it into multiple registers of 1323e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// smaller integer type, or we need to promote it to a larger type. 13383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands LegalizeAction getTypeAction(MVT VT) const { 13468a17febc70d9beb5353454e0c6d136ca1e87605Chris Lattner return (LegalizeAction)ValueTypeActions.getTypeAction(VT); 1353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// isTypeLegal - Return true if this type is legal on this target. 1383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// 13983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands bool isTypeLegal(MVT VT) const { 1403e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner return getTypeAction(VT) == Legal; 1413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner void LegalizeDAG(); 1443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 145456a93afcec7740c45cafa8354317f7b17987a6dChris Lattnerprivate: 1467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// HandleOp - Legalize, Promote, or Expand the specified operand as 147c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// appropriate for its type. 148475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void HandleOp(SDValue Op); 149c7029805ef35ce9805931067b841e6af11db382eChris Lattner 150c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// LegalizeOp - We know that the specified value has a legal type. 151c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// Recursively ensure that the operands have legal types, then return the 152c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// result. 153475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LegalizeOp(SDValue O); 154c7029805ef35ce9805931067b841e6af11db382eChris Lattner 155826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// UnrollVectorOp - We know that the given vector has a legal type, however 156826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// the operation it performs is not legal and is an operation that we have 157826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// no way of lowering. "Unroll" the vector, splitting out the scalars and 158826695281344e3a4c4d44d73dd155107aafd689bDan Gohman /// operating on each element individually. 159475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UnrollVectorOp(SDValue O); 1606867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 1616867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// PerformInsertVectorEltInMemory - Some target cannot handle a variable 1626867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// insertion index for the INSERT_VECTOR_ELT instruction. In this case, it 1636867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// is necessary to spill the vector being inserted into to memory, perform 1646867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman /// the insert there, and then read the result back. 165475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, 166475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx); 167826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 168c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// PromoteOp - Given an operation that produces a value in an invalid type, 169c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// promote it to compute the value into a larger type. The produced value 170c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// will have the correct bits for the low portion of the register, but no 171c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// guarantee is made about the top bits: it may be zero, sign-extended, or 172c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// garbage. 173475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PromoteOp(SDValue O); 1743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 175475871a144eb604ddaf37503397ba0941442e5fbDan Gohman /// ExpandOp - Expand the specified SDValue into its two component pieces 176c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// Lo&Hi. Note that the Op MUST be an expanded type. As a result of this, 177929d3eb171cd95a7fb353ef71a460d2061be4e6cDan Gohman /// the LegalizedNodes map is filled in for any results that are not expanded, 178c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// the ExpandedNodes map is filled in for any results that are expanded, and 179c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// the Lo/Hi values are returned. This applies to integer types and Vector 180c7029805ef35ce9805931067b841e6af11db382eChris Lattner /// types. 181475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ExpandOp(SDValue O, SDValue &Lo, SDValue &Hi); 182c7029805ef35ce9805931067b841e6af11db382eChris Lattner 183f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// WidenVectorOp - Widen a vector operation to a wider type given by WidenVT 184f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// (e.g., v3i32 to v4i32). The produced value will have the correct value 185f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// for the existing elements but no guarantee is made about the new elements 186f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// at the end of the vector: it may be zero, ones, or garbage. This is useful 187f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// when we have an instruction operating on an illegal vector type and we 188f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// want to widen it to do the computation on a legal wider vector type. 1890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue WidenVectorOp(SDValue Op, MVT WidenVT); 1900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 1917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// SplitVectorOp - Given an operand of vector type, break it down into 1927f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// two smaller values. 193475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void SplitVectorOp(SDValue O, SDValue &Lo, SDValue &Hi); 194c7029805ef35ce9805931067b841e6af11db382eChris Lattner 19589b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman /// ScalarizeVectorOp - Given an operand of single-element vector type 19689b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman /// (e.g. v1f32), convert it into the equivalent operation that returns a 19789b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman /// scalar (e.g. f32) value. 198475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScalarizeVectorOp(SDValue O); 199c7029805ef35ce9805931067b841e6af11db382eChris Lattner 200f007a8b931e229eb325319c97363be8507311e2eMon P Wang /// Useful 16 element vector type that is used to pass operands for widening. 2010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang typedef SmallVector<SDValue, 16> SDValueVector; 2020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LoadWidenVectorOp - Load a vector for a wider type. Returns true if 2040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// the LdChain contains a single load and false if it contains a token 2050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// factor for multiple loads. It takes 2060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Result: location to return the result 2070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LdChain: location to return the load chain 2080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Op: load operation to widen 2090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// NVT: widen vector result type we want for the load 2100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool LoadWidenVectorOp(SDValue& Result, SDValue& LdChain, 2110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Op, MVT NVT); 2120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Helper genWidenVectorLoads - Helper function to generate a set of 2140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// loads to load a vector with a resulting wider type. It takes 2150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LdChain: list of chains for the load we have generated 2160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Chain: incoming chain for the ld vector 2170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// BasePtr: base pointer to load from 2180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// SV: memory disambiguation source value 2190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// SVOffset: memory disambiugation offset 2200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Alignment: alignment of the memory 2210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// isVolatile: volatile load 2220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// LdWidth: width of memory that we want to load 2230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// ResType: the wider result result type for the resulting loaded vector 2240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue genWidenVectorLoads(SDValueVector& LdChain, SDValue Chain, 2250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, const Value *SV, 2260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, unsigned Alignment, 2270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, unsigned LdWidth, 2280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT ResType); 2290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// StoreWidenVectorOp - Stores a widen vector into non widen memory 2310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// location. It takes 2320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// ST: store node that we want to replace 2330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Chain: incoming store chain 2340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// BasePtr: base address of where we want to store into 2350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue StoreWidenVectorOp(StoreSDNode *ST, SDValue Chain, 2360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr); 2370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 2380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// Helper genWidenVectorStores - Helper function to generate a set of 2390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang /// stores to store a widen vector into non widen memory 2400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It takes 2410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // StChain: list of chains for the stores we have generated 2420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Chain: incoming chain for the ld vector 2430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // BasePtr: base pointer to load from 2440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // SV: memory disambiguation source value 2450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // SVOffset: memory disambiugation offset 2460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Alignment: alignment of the memory 2470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // isVolatile: volatile lod 2480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // ValOp: value to store 2490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // StWidth: width of memory that we want to store 2500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang void genWidenVectorStores(SDValueVector& StChain, SDValue Chain, 2510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, const Value *SV, 2520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, unsigned Alignment, 2530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, SDValue ValOp, 2540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned StWidth); 2550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 256d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands /// isShuffleLegal - Return non-null if a vector shuffle is legal with the 2574352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// specified mask and type. Targets can specify exactly which masks they 2584352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// support and the code generator is tasked with not creating illegal masks. 2594352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// 2604352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// Note that this will also return true for shuffles that are promoted to a 2614352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// different type. 2624352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// 2634352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// If this is a legal shuffle, this method returns the (possibly promoted) 2644352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner /// build_vector Mask. If it's not a legal shuffle, it returns null. 265475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDNode *isShuffleLegal(MVT VT, SDValue Mask) const; 2664352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 267c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner bool LegalizeAllNodesNotLeadingTo(SDNode *N, SDNode *Dest, 26800755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner SmallPtrSet<SDNode*, 32> &NodesLeadingTo); 2696831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 270475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void LegalizeSetCCOperands(SDValue &LHS, SDValue &RHS, SDValue &CC); 2717f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng void LegalizeSetCCCondCode(MVT VT, SDValue &LHS, SDValue &RHS, SDValue &CC); 2727f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng void LegalizeSetCC(MVT VT, SDValue &LHS, SDValue &RHS, SDValue &CC) { 2737f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCCOperands(LHS, RHS, CC); 2747f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCCCondCode(VT, LHS, RHS, CC); 2757f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 276750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 277475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, bool isSigned, 278475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Hi); 279475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandIntToFP(bool isSigned, MVT DestTy, SDValue Source); 280475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 281475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue EmitStackConvert(SDValue SrcOp, MVT SlotVT, MVT DestVT); 282475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandBUILD_VECTOR(SDNode *Node); 283475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandSCALAR_TO_VECTOR(SDNode *Node); 2847f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue LegalizeINT_TO_FP(SDValue Result, bool isSigned, MVT DestTy, SDValue Op); 285475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandLegalINT_TO_FP(bool isSigned, SDValue LegalOp, MVT DestVT); 286475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PromoteLegalINT_TO_FP(SDValue LegalOp, MVT DestVT, bool isSigned); 287475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue PromoteLegalFP_TO_INT(SDValue LegalOp, MVT DestVT, bool isSigned); 288475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 289475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandBSWAP(SDValue Op); 290475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandBitCount(unsigned Opc, SDValue Op); 291475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool ExpandShift(unsigned Opc, SDValue Op, SDValue Amt, 292475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi); 293475871a144eb604ddaf37503397ba0941442e5fbDan Gohman void ExpandShiftParts(unsigned NodeOp, SDValue Op, SDValue Amt, 294475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi); 295475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 296475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandEXTRACT_SUBVECTOR(SDValue Op); 297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ExpandEXTRACT_VECTOR_ELT(SDValue Op); 2983e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner}; 2993e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3003e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3014352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// isVectorShuffleLegal - Return true if a vector shuffle is legal with the 3024352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// specified mask and type. Targets can specify exactly which masks they 3034352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// support and the code generator is tasked with not creating illegal masks. 3044352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// 3054352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// Note that this will also return true for shuffles that are promoted to a 3064352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner/// different type. 307475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDNode *SelectionDAGLegalize::isShuffleLegal(MVT VT, SDValue Mask) const { 3084352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner switch (TLI.getOperationAction(ISD::VECTOR_SHUFFLE, VT)) { 3094352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner default: return 0; 3104352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Legal: 3114352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Custom: 3124352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 3134352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Promote: { 3144352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // If this is promoted to a different type, convert the shuffle mask and 3154352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // ask if it is legal in the promoted type! 31683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(ISD::VECTOR_SHUFFLE, VT); 317d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands MVT EltVT = NVT.getVectorElementType(); 3184352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 3194352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // If we changed # elements, change the shuffle mask. 3204352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner unsigned NumEltsGrowth = 32183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NVT.getVectorNumElements() / VT.getVectorNumElements(); 3224352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner assert(NumEltsGrowth && "Cannot promote to vector type with fewer elts!"); 3234352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (NumEltsGrowth > 1) { 3244352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Renumber the elements. 325475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 3264352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner for (unsigned i = 0, e = Mask.getNumOperands(); i != e; ++i) { 327475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InOp = Mask.getOperand(i); 3284352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner for (unsigned j = 0; j != NumEltsGrowth; ++j) { 3294352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (InOp.getOpcode() == ISD::UNDEF) 330d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); 3314352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner else { 332f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned InEltNo = cast<ConstantSDNode>(InOp)->getZExtValue(); 333d038e04188047eca4749d025ef1f05f7ae660bcaDuncan Sands Ops.push_back(DAG.getConstant(InEltNo*NumEltsGrowth+j, EltVT)); 3344352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3354352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3364352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 337bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner Mask = DAG.getNode(ISD::BUILD_VECTOR, NVT, &Ops[0], Ops.size()); 3384352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3394352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner VT = NVT; 3404352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 3414352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 3424352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 343ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return TLI.isShuffleMaskLegal(Mask, VT) ? Mask.getNode() : 0; 3444352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner} 3454352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 3469c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris LattnerSelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag) 3479c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner : TLI(dag.getTargetLoweringInfo()), DAG(dag), 3489c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner ValueTypeActions(TLI.getValueTypeActions()) { 3496a648614e88586e85a36ceb5c1d3b84e4f55b458Nate Begeman assert(MVT::LAST_VALUETYPE <= 32 && 3503e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner "Too many value types for ValueTypeActions to hold!"); 3513e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3533e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattnervoid SelectionDAGLegalize::LegalizeDAG() { 3546831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 3556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = false; 3566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 357ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // The legalize process is inherently a bottom-up recursive process (users 358ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // legalize their uses before themselves). Given infinite stack space, we 359ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // could just start legalizing on the root and traverse the whole graph. In 360ab510a76d6fed412f2dbbb29b3e123eef34f9c0aChris Lattner // practice however, this causes us to run out of stack space on large basic 36132fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // blocks. To avoid this problem, compute an ordering of the nodes where each 36232fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // node is only legalized after all of its operands are legalized. 363f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman DAG.AssignTopologicalOrder(); 364f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman for (SelectionDAG::allnodes_iterator I = DAG.allnodes_begin(), 365f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman E = prior(DAG.allnodes_end()); I != next(E); ++I) 366f06c835f769aa1cf67801ed1f6bd366a447c18b1Dan Gohman HandleOp(SDValue(I, 0)); 36732fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner 36832fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner // Finally, it's possible the root changed. Get the new root. 369475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue OldRoot = DAG.getRoot(); 37032fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner assert(LegalizedNodes.count(OldRoot) && "Root didn't get legalized?"); 37132fca00a23a9872c31999d054b4dd7c724276d9dChris Lattner DAG.setRoot(LegalizedNodes[OldRoot]); 3723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandedNodes.clear(); 3743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner LegalizedNodes.clear(); 37571c42a0190300a8903aaea80467b88f15f327ea9Chris Lattner PromotedNodes.clear(); 376c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitNodes.clear(); 3777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizedNodes.clear(); 3780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenNodes.clear(); 3793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // Remove dead nodes now. 381190a418bf6b49a4ef1c1980229a2f0d516e8a2cdChris Lattner DAG.RemoveDeadNodes(); 3823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 3833e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 3846831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 3856831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// FindCallEndFromCallStart - Given a chained node that is part of a call 3866831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// sequence, find the CALLSEQ_END node that terminates the call sequence. 3876831a815999dde4cf801e2076e66b4943964daf2Chris Lattnerstatic SDNode *FindCallEndFromCallStart(SDNode *Node) { 3886831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getOpcode() == ISD::CALLSEQ_END) 3896831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Node; 3906831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->use_empty()) 3916831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; // No CallSeqEnd 3926831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 3936831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // The chain is usually at the end. 394475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TheChain(Node, Node->getNumValues()-1); 3956831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) { 3966831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Sometimes it's at the beginning. 397475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TheChain = SDValue(Node, 0); 3986831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) { 3996831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, hunt for it. 4006831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 1, e = Node->getNumValues(); i != e; ++i) 4016831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getValueType(i) == MVT::Other) { 402475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TheChain = SDValue(Node, i); 4036831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4046831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, we walked into a node without a chain. 4076831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (TheChain.getValueType() != MVT::Other) 4086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; 4096831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4106831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4116831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4126831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (SDNode::use_iterator UI = Node->use_begin(), 4136831a815999dde4cf801e2076e66b4943964daf2Chris Lattner E = Node->use_end(); UI != E; ++UI) { 4146831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4156831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Make sure to only follow users of our token chain. 4168968450305c28444edc3c272d8752a8db0c2f34aDan Gohman SDNode *User = *UI; 4176831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) 4186831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (User->getOperand(i) == TheChain) 4196831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (SDNode *Result = FindCallEndFromCallStart(User)) 4206831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Result; 4216831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4226831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return 0; 4236831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4256831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// FindCallStartFromCallEnd - Given a chained node that is part of a call 4266831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// sequence, find the CALLSEQ_START node that initiates the call sequence. 4276831a815999dde4cf801e2076e66b4943964daf2Chris Lattnerstatic SDNode *FindCallStartFromCallEnd(SDNode *Node) { 4286831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(Node && "Didn't find callseq_start for a call??"); 4296831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Node->getOpcode() == ISD::CALLSEQ_START) return Node; 4306831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4316831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(Node->getOperand(0).getValueType() == MVT::Other && 4326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner "Node doesn't have a token chain argument!"); 433ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif return FindCallStartFromCallEnd(Node->getOperand(0).getNode()); 4346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4356831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4366831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// LegalizeAllNodesNotLeadingTo - Recursively walk the uses of N, looking to 4376831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// see if any uses can reach Dest. If no dest operands can get to dest, 4386831a815999dde4cf801e2076e66b4943964daf2Chris Lattner/// legalize them, legalize ourself, and return false, otherwise, return true. 439c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// 440c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// Keep track of the nodes we fine that actually do lead to Dest in 441c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// NodesLeadingTo. This avoids retraversing them exponential number of times. 442c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner/// 443c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattnerbool SelectionDAGLegalize::LegalizeAllNodesNotLeadingTo(SDNode *N, SDNode *Dest, 44400755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner SmallPtrSet<SDNode*, 32> &NodesLeadingTo) { 4456831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (N == Dest) return true; // N certainly leads to Dest :) 4466831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 447c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner // If we've already processed this node and it does lead to Dest, there is no 448c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner // need to reprocess it. 449c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner if (NodesLeadingTo.count(N)) return true; 450c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner 4516831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // If the first result of this node has been already legalized, then it cannot 4526831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // reach N. 4536831a815999dde4cf801e2076e66b4943964daf2Chris Lattner switch (getTypeAction(N->getValueType(0))) { 4546831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Legal: 455475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (LegalizedNodes.count(SDValue(N, 0))) return false; 4566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Promote: 458475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (PromotedNodes.count(SDValue(N, 0))) return false; 4596831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4606831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case Expand: 461475871a144eb604ddaf37503397ba0941442e5fbDan Gohman if (ExpandedNodes.count(SDValue(N, 0))) return false; 4626831a815999dde4cf801e2076e66b4943964daf2Chris Lattner break; 4636831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 4646831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4656831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Okay, this node has not already been legalized. Check and legalize all 4666831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // operands. If none lead to Dest, then we can legalize this node. 4676831a815999dde4cf801e2076e66b4943964daf2Chris Lattner bool OperandsLeadToDest = false; 4686831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) 4696831a815999dde4cf801e2076e66b4943964daf2Chris Lattner OperandsLeadToDest |= // If an operand leads to Dest, so do we. 470ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LegalizeAllNodesNotLeadingTo(N->getOperand(i).getNode(), Dest, NodesLeadingTo); 4716831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 472c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner if (OperandsLeadToDest) { 473c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner NodesLeadingTo.insert(N); 474c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner return true; 475c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner } 4766831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4776831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Okay, this node looks safe, legalize it and return false. 478475871a144eb604ddaf37503397ba0941442e5fbDan Gohman HandleOp(SDValue(N, 0)); 4796831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return false; 4806831a815999dde4cf801e2076e66b4943964daf2Chris Lattner} 4816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 4820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang/// HandleOp - Legalize, Promote, Widen, or Expand the specified operand as 483c7029805ef35ce9805931067b841e6af11db382eChris Lattner/// appropriate for its type. 484475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::HandleOp(SDValue Op) { 48583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 4867f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman switch (getTypeAction(VT)) { 487c7029805ef35ce9805931067b841e6af11db382eChris Lattner default: assert(0 && "Bad type action!"); 4887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case Legal: (void)LegalizeOp(Op); break; 4890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Promote: 4900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!VT.isVector()) { 4910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang (void)PromoteOp(Op); 4920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 4930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 4940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 4950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // See if we can widen otherwise use Expand to either scalarize or split 4960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT WidenVT = TLI.getWidenVectorType(VT); 4970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (WidenVT != MVT::Other) { 4980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang (void) WidenVectorOp(Op, WidenVT); 4990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 5000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 5010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // else fall thru to expand since we can't widen the vector 5020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 503c7029805ef35ce9805931067b841e6af11db382eChris Lattner case Expand: 50483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!VT.isVector()) { 5057f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // If this is an illegal scalar, expand it into its two component 5067f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // pieces. 507475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue X, Y; 50809ec1b058331aadb29a348091611d23892b5c492Chris Lattner if (Op.getOpcode() == ISD::TargetConstant) 50909ec1b058331aadb29a348091611d23892b5c492Chris Lattner break; // Allow illegal target nodes. 510c7029805ef35ce9805931067b841e6af11db382eChris Lattner ExpandOp(Op, X, Y); 51183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (VT.getVectorNumElements() == 1) { 5127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // If this is an illegal single element vector, convert it to a 5137f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // scalar operation. 5147f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman (void)ScalarizeVectorOp(Op); 515c7029805ef35ce9805931067b841e6af11db382eChris Lattner } else { 5160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // This is an illegal multiple element vector. 5177f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Split it in half and legalize both parts. 518475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue X, Y; 5197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SplitVectorOp(Op, X, Y); 520c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 521c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 522c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 523c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 5246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 5259f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng/// ExpandConstantFP - Expands the ConstantFP node to an integer constant or 5269f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng/// a load from the constant pool. 527475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanstatic SDValue ExpandConstantFP(ConstantFPSDNode *CFP, bool UseCP, 528279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng SelectionDAG &DAG, TargetLowering &TLI) { 529004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng bool Extend = false; 530004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 531004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // If a FP immediate is precise when represented as a float and if the 532004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // target can do an extending load from float to double, we put it into 533004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // the constant pool as a float, even if it's is statically typed as a 534aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // double. This shrinks FP constants and canonicalizes them for targets where 535aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // an FP extending load is the same cost as a normal load (such as on the x87 536aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner // fp stack or PPC FP unit). 53783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = CFP->getValueType(0); 5384fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman ConstantFP *LLVMC = const_cast<ConstantFP*>(CFP->getConstantFPValue()); 5399f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (!UseCP) { 5409e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen if (VT!=MVT::f64 && VT!=MVT::f32) 5419e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen assert(0 && "Invalid type expansion"); 5427111b02c734c992b8c97d9918118768026dad79eDale Johannesen return DAG.getConstant(LLVMC->getValueAPF().bitcastToAPInt(), 543ef12057737229452c17983faa20857dba441ef05Evan Cheng (VT == MVT::f64) ? MVT::i64 : MVT::i32); 544279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng } 545279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng 54683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OrigVT = VT; 54783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SVT = VT; 548ef12057737229452c17983faa20857dba441ef05Evan Cheng while (SVT != MVT::f32) { 54983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands SVT = (MVT::SimpleValueType)(SVT.getSimpleVT() - 1); 550ef12057737229452c17983faa20857dba441ef05Evan Cheng if (CFP->isValueValidForType(SVT, CFP->getValueAPF()) && 551ef12057737229452c17983faa20857dba441ef05Evan Cheng // Only do this if the target has a native EXTLOAD instruction from 552ef12057737229452c17983faa20857dba441ef05Evan Cheng // smaller type. 5530329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng TLI.isLoadExtLegal(ISD::EXTLOAD, SVT) && 554aa2acbbbf06348f20274f4eeb77f9761c654a589Chris Lattner TLI.ShouldShrinkFPConstant(OrigVT)) { 55583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *SType = SVT.getTypeForMVT(); 556ef12057737229452c17983faa20857dba441ef05Evan Cheng LLVMC = cast<ConstantFP>(ConstantExpr::getFPTrunc(LLVMC, SType)); 557ef12057737229452c17983faa20857dba441ef05Evan Cheng VT = SVT; 558ef12057737229452c17983faa20857dba441ef05Evan Cheng Extend = true; 559ef12057737229452c17983faa20857dba441ef05Evan Cheng } 560004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 561004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 562475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(LLVMC, TLI.getPointerTy()); 56350284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 564ef12057737229452c17983faa20857dba441ef05Evan Cheng if (Extend) 565ef12057737229452c17983faa20857dba441ef05Evan Cheng return DAG.getExtLoad(ISD::EXTLOAD, OrigVT, DAG.getEntryNode(), 5663069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman CPIdx, PseudoSourceValue::getConstantPool(), 56750284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman 0, VT, false, Alignment); 568ef12057737229452c17983faa20857dba441ef05Evan Cheng return DAG.getLoad(OrigVT, DAG.getEntryNode(), CPIdx, 56950284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, false, Alignment); 570004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng} 571004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng 5726831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 573912095becac923ff614d7b07728eb345ada67765Evan Cheng/// ExpandFCOPYSIGNToBitwiseOps - Expands fcopysign to a series of bitwise 574912095becac923ff614d7b07728eb345ada67765Evan Cheng/// operations. 575912095becac923ff614d7b07728eb345ada67765Evan Chengstatic 576475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandFCOPYSIGNToBitwiseOps(SDNode *Node, MVT NVT, 577475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SelectionDAG &DAG, TargetLowering &TLI) { 57883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 57983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Node->getOperand(1).getValueType(); 5807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert((SrcVT == MVT::f32 || SrcVT == MVT::f64) && 5817f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman "fcopysign expansion only supported for f32 and f64"); 58283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcNVT = (SrcVT == MVT::f64) ? MVT::i64 : MVT::i32; 583068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 584912095becac923ff614d7b07728eb345ada67765Evan Cheng // First get the sign bit of second operand. 585475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask1 = (SrcVT == MVT::f64) 586912095becac923ff614d7b07728eb345ada67765Evan Cheng ? DAG.getConstantFP(BitsToDouble(1ULL << 63), SrcVT) 587912095becac923ff614d7b07728eb345ada67765Evan Cheng : DAG.getConstantFP(BitsToFloat(1U << 31), SrcVT); 588068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Mask1 = DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Mask1); 589475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit= DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Node->getOperand(1)); 590068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng SignBit = DAG.getNode(ISD::AND, SrcNVT, SignBit, Mask1); 591912095becac923ff614d7b07728eb345ada67765Evan Cheng // Shift right or sign-extend it if the two operands have different types. 59283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int SizeDiff = SrcNVT.getSizeInBits() - NVT.getSizeInBits(); 593912095becac923ff614d7b07728eb345ada67765Evan Cheng if (SizeDiff > 0) { 594912095becac923ff614d7b07728eb345ada67765Evan Cheng SignBit = DAG.getNode(ISD::SRL, SrcNVT, SignBit, 595912095becac923ff614d7b07728eb345ada67765Evan Cheng DAG.getConstant(SizeDiff, TLI.getShiftAmountTy())); 596912095becac923ff614d7b07728eb345ada67765Evan Cheng SignBit = DAG.getNode(ISD::TRUNCATE, NVT, SignBit); 597c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner } else if (SizeDiff < 0) { 598c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner SignBit = DAG.getNode(ISD::ZERO_EXTEND, NVT, SignBit); 599c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner SignBit = DAG.getNode(ISD::SHL, NVT, SignBit, 600c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner DAG.getConstant(-SizeDiff, TLI.getShiftAmountTy())); 601c563e1d8fe2e0e9bb47e99ec55c277404969287eChris Lattner } 602068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 603068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng // Clear the sign bit of first operand. 604475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask2 = (VT == MVT::f64) 605068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) 606068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); 607068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Mask2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask2); 608475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 609068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng Result = DAG.getNode(ISD::AND, NVT, Result, Mask2); 610068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng 611068c5f47ea9243b353a49ca7eb07fac0cb32f1eeEvan Cheng // Or the value with the sign bit. 612912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = DAG.getNode(ISD::OR, NVT, Result, SignBit); 613912095becac923ff614d7b07728eb345ada67765Evan Cheng return Result; 614912095becac923ff614d7b07728eb345ada67765Evan Cheng} 615912095becac923ff614d7b07728eb345ada67765Evan Cheng 616f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio/// ExpandUnalignedStore - Expands an unaligned store to 2 half-size stores. 617f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venanciostatic 618475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandUnalignedStore(StoreSDNode *ST, SelectionDAG &DAG, 619475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TargetLowering &TLI) { 620475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = ST->getChain(); 621475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = ST->getBasePtr(); 622475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val = ST->getValue(); 62383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Val.getValueType(); 624907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen int Alignment = ST->getAlignment(); 625907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen int SVOffset = ST->getSrcValueOffset(); 62683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (ST->getMemoryVT().isFloatingPoint() || 62783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands ST->getMemoryVT().isVector()) { 628907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // Expand to a bitconvert of the value to the integer type of the 629907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // same size, then a (misaligned) int store. 63083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT intVT; 63183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.is128BitVector() || VT == MVT::ppcf128 || VT == MVT::f128) 6328155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen intVT = MVT::i128; 63383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (VT.is64BitVector() || VT==MVT::f64) 634907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i64; 635907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else if (VT==MVT::f32) 636907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i32; 637907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else 638cd9f1747ab72f9863924fbdf43493d9fa6256719Dale Johannesen assert(0 && "Unaligned store of unsupported type"); 639907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 640475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, intVT, Val); 641907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen return DAG.getStore(Chain, Result, Ptr, ST->getSrcValue(), 642907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen SVOffset, ST->isVolatile(), Alignment); 643907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen } 64483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(ST->getMemoryVT().isInteger() && 64583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands !ST->getMemoryVT().isVector() && 646907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen "Unaligned store of unknown type."); 647f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Get the half-size VT 64883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewStoredVT = 64983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands (MVT::SimpleValueType)(ST->getMemoryVT().getSimpleVT() - 1); 65083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands int NumBits = NewStoredVT.getSizeInBits(); 651f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio int IncrementSize = NumBits / 8; 652f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 653f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Divide the stored value in two parts. 654475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmount = DAG.getConstant(NumBits, TLI.getShiftAmountTy()); 655475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = Val; 656475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = DAG.getNode(ISD::SRL, VT, Val, ShiftAmount); 657f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 658f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Store the two parts 659475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store1, Store2; 660f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Store1 = DAG.getTruncStore(Chain, TLI.isLittleEndian()?Lo:Hi, Ptr, 661f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->getSrcValue(), SVOffset, NewStoredVT, 662f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->isVolatile(), Alignment); 663f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 664f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 665dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 666f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Store2 = DAG.getTruncStore(Chain, TLI.isLittleEndian()?Hi:Lo, Ptr, 667f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ST->getSrcValue(), SVOffset + IncrementSize, 668f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio NewStoredVT, ST->isVolatile(), Alignment); 669f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 670f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio return DAG.getNode(ISD::TokenFactor, MVT::Other, Store1, Store2); 671f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio} 672f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 673f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio/// ExpandUnalignedLoad - Expands an unaligned load to 2 half-size loads. 674f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venanciostatic 675475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG, 676475871a144eb604ddaf37503397ba0941442e5fbDan Gohman TargetLowering &TLI) { 677f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio int SVOffset = LD->getSrcValueOffset(); 678475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = LD->getChain(); 679475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); 68083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LD->getValueType(0); 68183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT LoadedVT = LD->getMemoryVT(); 68283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isFloatingPoint() || VT.isVector()) { 683907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen // Expand to a (misaligned) integer load of the same size, 6848155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // then bitconvert to floating point or vector. 68583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT intVT; 68683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (LoadedVT.is128BitVector() || 6873c8b59c546b5d56b2cae74da55e26eb994ed36bfDale Johannesen LoadedVT == MVT::ppcf128 || LoadedVT == MVT::f128) 6888155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen intVT = MVT::i128; 68983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (LoadedVT.is64BitVector() || LoadedVT == MVT::f64) 690907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i64; 691e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner else if (LoadedVT == MVT::f32) 692907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen intVT = MVT::i32; 693907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen else 6948155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen assert(0 && "Unaligned load of unsupported type"); 695907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 696475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue newLoad = DAG.getLoad(intVT, Chain, Ptr, LD->getSrcValue(), 697907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen SVOffset, LD->isVolatile(), 698907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen LD->getAlignment()); 699475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::BIT_CONVERT, LoadedVT, newLoad); 70083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isFloatingPoint() && LoadedVT != VT) 701907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Result = DAG.getNode(ISD::FP_EXTEND, VT, Result); 702907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen 703475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Result, Chain }; 7044bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands return DAG.getMergeValues(Ops, 2); 705907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen } 70683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(LoadedVT.isInteger() && !LoadedVT.isVector() && 707e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner "Unaligned load of unsupported type."); 708e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner 7098155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // Compute the new VT that is half the size of the old one. This is an 7108155d64c2ffab8b17e0fd8e3b7a66fcef6a8ec9dDale Johannesen // integer MVT. 71183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumBits = LoadedVT.getSizeInBits(); 71283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewLoadedVT; 71383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewLoadedVT = MVT::getIntegerVT(NumBits/2); 714e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner NumBits >>= 1; 715e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner 716e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner unsigned Alignment = LD->getAlignment(); 717e400af83b3f8b69407a8963f1d2e2c82fa766f33Chris Lattner unsigned IncrementSize = NumBits / 8; 718f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio ISD::LoadExtType HiExtType = LD->getExtensionType(); 719f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 720f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If the original load is NON_EXTLOAD, the hi part load must be ZEXTLOAD. 721f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (HiExtType == ISD::NON_EXTLOAD) 722f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio HiExtType = ISD::ZEXTLOAD; 723f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 724f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // Load the value in two parts 725475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 726f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (TLI.isLittleEndian()) { 727f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Lo = DAG.getExtLoad(ISD::ZEXTLOAD, VT, Chain, Ptr, LD->getSrcValue(), 728f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset, NewLoadedVT, LD->isVolatile(), Alignment); 729f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 730f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 731f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi = DAG.getExtLoad(HiExtType, VT, Chain, Ptr, LD->getSrcValue(), 732f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset + IncrementSize, NewLoadedVT, LD->isVolatile(), 733dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands MinAlign(Alignment, IncrementSize)); 734f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } else { 735f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi = DAG.getExtLoad(HiExtType, VT, Chain, Ptr, LD->getSrcValue(), SVOffset, 736f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio NewLoadedVT,LD->isVolatile(), Alignment); 737f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 738f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio DAG.getConstant(IncrementSize, TLI.getPointerTy())); 739f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Lo = DAG.getExtLoad(ISD::ZEXTLOAD, VT, Chain, Ptr, LD->getSrcValue(), 740f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio SVOffset + IncrementSize, NewLoadedVT, LD->isVolatile(), 741dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands MinAlign(Alignment, IncrementSize)); 742f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 743f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 744f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // aggregate the two parts 745475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmount = DAG.getConstant(NumBits, TLI.getShiftAmountTy()); 746475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = DAG.getNode(ISD::SHL, VT, Hi, ShiftAmount); 747f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Result = DAG.getNode(ISD::OR, VT, Result, Lo); 748f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 749475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 750f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Hi.getValue(1)); 751f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio 752475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Result, TF }; 7534bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands return DAG.getMergeValues(Ops, 2); 754f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio} 755912095becac923ff614d7b07728eb345ada67765Evan Cheng 756826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// UnrollVectorOp - We know that the given vector has a legal type, however 757826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// the operation it performs is not legal and is an operation that we have 758826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// no way of lowering. "Unroll" the vector, splitting out the scalars and 759826695281344e3a4c4d44d73dd155107aafd689bDan Gohman/// operating on each element individually. 760475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::UnrollVectorOp(SDValue Op) { 76183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 762826695281344e3a4c4d44d73dd155107aafd689bDan Gohman assert(isTypeLegal(VT) && 763826695281344e3a4c4d44d73dd155107aafd689bDan Gohman "Caller should expand or promote operands that are not legal!"); 764ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Op.getNode()->getNumValues() == 1 && 765826695281344e3a4c4d44d73dd155107aafd689bDan Gohman "Can't unroll a vector with multiple results!"); 76683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NE = VT.getVectorNumElements(); 76783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 768826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 769475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Scalars; 770475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 4> Operands(Op.getNumOperands()); 771826695281344e3a4c4d44d73dd155107aafd689bDan Gohman for (unsigned i = 0; i != NE; ++i) { 772826695281344e3a4c4d44d73dd155107aafd689bDan Gohman for (unsigned j = 0; j != Op.getNumOperands(); ++j) { 773475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Operand = Op.getOperand(j); 77483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OperandVT = Operand.getValueType(); 77583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (OperandVT.isVector()) { 776826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // A vector operand; extract a single element. 77783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OperandEltVT = OperandVT.getVectorElementType(); 778826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operands[j] = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, 779826695281344e3a4c4d44d73dd155107aafd689bDan Gohman OperandEltVT, 780826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operand, 781826695281344e3a4c4d44d73dd155107aafd689bDan Gohman DAG.getConstant(i, MVT::i32)); 782826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } else { 783826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // A scalar operand; just use it as is. 784826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Operands[j] = Operand; 785826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 786826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 787826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Scalars.push_back(DAG.getNode(Op.getOpcode(), EltVT, 788826695281344e3a4c4d44d73dd155107aafd689bDan Gohman &Operands[0], Operands.size())); 789826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 790826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 791826695281344e3a4c4d44d73dd155107aafd689bDan Gohman return DAG.getNode(ISD::BUILD_VECTOR, VT, &Scalars[0], Scalars.size()); 792826695281344e3a4c4d44d73dd155107aafd689bDan Gohman} 793826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 794007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands/// GetFPLibCall - Return the right libcall for the given floating point type. 79583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sandsstatic RTLIB::Libcall GetFPLibCall(MVT VT, 796007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F32, 797007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F64, 798007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_F80, 799007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall Call_PPCF128) { 800007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands return 801007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f32 ? Call_F32 : 802007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f64 ? Call_F64 : 803007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::f80 ? Call_F80 : 804007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands VT == MVT::ppcf128 ? Call_PPCF128 : 805007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::UNKNOWN_LIBCALL; 806007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands} 807007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands 8086867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// PerformInsertVectorEltInMemory - Some target cannot handle a variable 8096867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// insertion index for the INSERT_VECTOR_ELT instruction. In this case, it 8106867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// is necessary to spill the vector being inserted into to memory, perform 8116867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman/// the insert there, and then read the result back. 812475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize:: 813475871a144eb604ddaf37503397ba0941442e5fbDan GohmanPerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, SDValue Idx) { 814475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1 = Vec; 815475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = Val; 816475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = Idx; 8176867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8186867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // If the target doesn't support this, we have to spill the input vector 8196867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // to a temporary stack slot, update the element, then reload it. This is 8206867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // badness. We could also load the value into a vector register (either 8216867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // with a "move to register" or "extload into register" instruction, then 8226867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // permute it into place, if the idx is a constant and if the idx is 8236867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // supported by the target. 82483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Tmp1.getValueType(); 82583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 82683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT IdxVT = Tmp3.getValueType(); 82783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 828475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(VT); 8296867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 830ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex(); 8316867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8326867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Store the vector. 833475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, 8340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang PseudoSourceValue::getFixedStack(SPFI), 0); 8356867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 8366867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Truncate or zero extend offset to target pointer type. 8378e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands unsigned CastOpc = IdxVT.bitsGT(PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND; 8386867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Tmp3 = DAG.getNode(CastOpc, PtrVT, Tmp3); 8396867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Add the offset to the index. 84083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned EltSize = EltVT.getSizeInBits()/8; 8416867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Tmp3 = DAG.getNode(ISD::MUL, IdxVT, Tmp3,DAG.getConstant(EltSize, IdxVT)); 842475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr2 = DAG.getNode(ISD::ADD, IdxVT, Tmp3, StackPtr); 8436867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Store the scalar value. 8446867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Ch = DAG.getTruncStore(Ch, Tmp2, StackPtr2, 845a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, EltVT); 8466867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman // Load the updated vector. 847a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman return DAG.getLoad(VT, Ch, StackPtr, 848a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 8496867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman} 8506867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman 851a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// LegalizeOp - We know that the specified value has a legal type, and 852a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// that its operands are legal. Now ensure that the operation itself 853a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// is legal, recursively ensuring that the operands' operations remain 854a346615d11f0a560c6e7280c1e614301d9f93051Dan Gohman/// legal. 855475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { 85609ec1b058331aadb29a348091611d23892b5c492Chris Lattner if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes. 85709ec1b058331aadb29a348091611d23892b5c492Chris Lattner return Op; 85809ec1b058331aadb29a348091611d23892b5c492Chris Lattner 859c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner assert(isTypeLegal(Op.getValueType()) && 860e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner "Caller should expand or promote operands that are not legal!"); 861ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 862e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner 8633e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // If this operation defines any values that cannot be represented in a 864e3304a3d24afc952d3cb415d1b504d973573c5c5Chris Lattner // register on this target, make sure to expand or promote them. 86545982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner if (Node->getNumValues() > 1) { 86645982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 867c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (getTypeAction(Node->getValueType(i)) != Legal) { 868c7029805ef35ce9805931067b841e6af11db382eChris Lattner HandleOp(Op.getValue(i)); 8693e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(LegalizedNodes.count(Op) && 870c7029805ef35ce9805931067b841e6af11db382eChris Lattner "Handling didn't add legal operands!"); 87103c8546ec57523970874917854a2fb77b1ff598eChris Lattner return LegalizedNodes[Op]; 8723e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 8733e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 8743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 87545982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // Note that LegalizeOp may be reentered even from single-use nodes, which 87645982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // means that we always must cache transformed nodes. 877475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = LegalizedNodes.find(Op); 878e1bd822ddb0099406d9f280535461033dfeeb190Chris Lattner if (I != LegalizedNodes.end()) return I->second; 8793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 880475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Tmp4; 881475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = Op; 882456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner bool isCustom = false; 883456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 8843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getOpcode()) { 885948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::FrameIndex: 886948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::EntryToken: 887948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::Register: 888948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::BasicBlock: 889948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetFrameIndex: 89037efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::TargetJumpTable: 891948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetConstant: 8923181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner case ISD::TargetConstantFP: 893948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetConstantPool: 894948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::TargetGlobalAddress: 895b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio case ISD::TargetGlobalTLSAddress: 896056292fd738924f3f7703725d8f630983794b5a5Bill Wendling case ISD::TargetExternalSymbol: 897948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::VALUETYPE: 898948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::SRCVALUE: 89969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case ISD::MEMOPERAND: 900948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case ISD::CONDCODE: 901276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands case ISD::ARG_FLAGS: 902948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner // Primitives must all be legal. 903a7c97a7f5b82778ca5abfc3791c6b7f96b82a5faDuncan Sands assert(TLI.isOperationLegal(Node->getOpcode(), Node->getValueType(0)) && 904948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner "This must be legal!"); 905948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner break; 9063e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner default: 907d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner if (Node->getOpcode() >= ISD::BUILTIN_OP_END) { 908d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // If this is a target node, legalize it by legalizing the operands then 909d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // passing it through. 910475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 911c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 912d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 913c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner 914f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result.getValue(0), &Ops[0], Ops.size()); 915d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner 916d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 917d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner AddLegalizedOperand(Op.getValue(i), Result.getValue(i)); 91899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 919d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner } 920d73cc5d0585e86bf6d350ab9fd9caf85bdfc8b52Chris Lattner // Otherwise this is an unhandled builtin node. splat. 921e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 92239833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 923e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 9243e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(0 && "Do not know how to legalize this operator!"); 9253e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner abort(); 9260d3b67809ccab229a03db8c1bede852fb89eb081Lauro Ramos Venancio case ISD::GLOBAL_OFFSET_TABLE: 9273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::GlobalAddress: 928b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio case ISD::GlobalTLSAddress: 929056292fd738924f3f7703725d8f630983794b5a5Bill Wendling case ISD::ExternalSymbol: 93037efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::ConstantPool: 93137efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::JumpTable: // Nothing to do. 9320c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 9330c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner default: assert(0 && "This action is not supported yet!"); 934948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner case TargetLowering::Custom: 935948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner Tmp1 = TLI.LowerOperation(Op, DAG); 936ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 937948c1b1cda280c6428dbeaa03a6c2c559dbb93f4Chris Lattner // FALLTHROUGH if the target doesn't want to lower this op after all. 9380c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner case TargetLowering::Legal: 9390c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner break; 9400c8fbe33a4bdf7c60e0cfd5a9c86499c817d9f1aChris Lattner } 9413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 942bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman case ISD::FRAMEADDR: 943bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman case ISD::RETURNADDR: 944bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // The only option for these nodes is to custom lower them. If the target 945bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // does not custom lower them, then return zero. 946bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Tmp1 = TLI.LowerOperation(Op, DAG); 947ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) 948bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Result = Tmp1; 949bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman else 950bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman Result = DAG.getConstant(0, TLI.getPointerTy()); 951bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman break; 952055c5449a4046a5e1a5210d2f91aee4e3901cccfAnton Korobeynikov case ISD::FRAME_TO_ARGS_OFFSET: { 95383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 954066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 955066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov default: assert(0 && "This action is not supported yet!"); 956066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov case TargetLowering::Custom: 957066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 958ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 959066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov // Fall Thru 960066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov case TargetLowering::Legal: 961066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov Result = DAG.getConstant(0, VT); 962066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov break; 963066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov } 964055c5449a4046a5e1a5210d2f91aee4e3901cccfAnton Korobeynikov } 965066f7b40f8c442dfd52cdbc371a5f6c623d5ba90Anton Korobeynikov break; 9662bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case ISD::EXCEPTIONADDR: { 9672bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); 96883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 9692bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 9702bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey default: assert(0 && "This action is not supported yet!"); 9712bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case TargetLowering::Expand: { 9728782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey unsigned Reg = TLI.getExceptionAddressRegister(); 973b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Result = DAG.getCopyFromReg(Tmp1, Reg, VT); 9742bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 9752bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey break; 9762bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey case TargetLowering::Custom: 9772bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey Result = TLI.LowerOperation(Op, DAG); 978ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 9792bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey // Fall Thru 980eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner case TargetLowering::Legal: { 981475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { DAG.getConstant(0, VT), Tmp1 }; 9824bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands Result = DAG.getMergeValues(Ops, 2); 9838782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey break; 9848782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 9858782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 986eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner } 987ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 988b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 989ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 990b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands "Cannot return more than two values!"); 991b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 992b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // Since we produced two values, make sure to remember that we 993b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // legalized both of them. 994b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp1 = LegalizeOp(Result); 995b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); 996b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(0), Tmp1); 997b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(1), Tmp2); 99899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 9998782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case ISD::EHSELECTION: { 10008782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); 10018782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Tmp2 = LegalizeOp(Node->getOperand(1)); 100283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 10038782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 10048782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey default: assert(0 && "This action is not supported yet!"); 10058782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case TargetLowering::Expand: { 10068782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey unsigned Reg = TLI.getExceptionSelectorRegister(); 1007b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Result = DAG.getCopyFromReg(Tmp2, Reg, VT); 10088782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey } 10098782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey break; 10108782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey case TargetLowering::Custom: 10118782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey Result = TLI.LowerOperation(Op, DAG); 1012ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10138782d481a3c720304540254a7b71d25bbe7cbf49Jim Laskey // Fall Thru 1014eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner case TargetLowering::Legal: { 1015475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { DAG.getConstant(0, VT), Tmp2 }; 10164bdcb61af33399d4e01fdf3c47ca1f1f5356e370Duncan Sands Result = DAG.getMergeValues(Ops, 2); 10172bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey break; 10182bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 10192bc210d99f5a7322a1ae84775eba351d9ab6ea85Jim Laskey } 1020eb7f34f2cb1584f155b9cefdb246b300fb2fc9c4Chris Lattner } 1021ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 1022b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1023ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 1024b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands "Cannot return more than two values!"); 1025b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands 1026b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // Since we produced two values, make sure to remember that we 1027b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands // legalized both of them. 1028b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp1 = LegalizeOp(Result); 1029b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); 1030b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(0), Tmp1); 1031b027fa001f16660a231a54ecea6a79f5c7855d7cDuncan Sands AddLegalizedOperand(Op.getValue(1), Tmp2); 103299a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 10336d4b711e7f2e27d94d3c49dc9e7575dbe0f242e0Nick Lewycky case ISD::EH_RETURN: { 103483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 10352365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // The only "good" option for this node is to custom lower it. 10362365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 10372365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov default: assert(0 && "This action is not supported at all!"); 10382365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov case TargetLowering::Custom: 10392365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 1040ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 10412365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // Fall Thru 10422365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov case TargetLowering::Legal: 10432365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // Target does not know, how to lower this, lower to noop 10442365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov Result = LegalizeOp(Node->getOperand(0)); 10452365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov break; 10462365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov } 10476d4b711e7f2e27d94d3c49dc9e7575dbe0f242e0Nick Lewycky } 10482365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov break; 104908951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner case ISD::AssertSext: 105008951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner case ISD::AssertZext: 105108951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1052c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 105308951a32fbc1de3ec3746e14109a74ca506ca251Chris Lattner break; 1054308575be66ec3870d27b19df044fda18448feb41Chris Lattner case ISD::MERGE_VALUES: 1055c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner // Legalize eliminates MERGE_VALUES nodes. 105699a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif Result = Node->getOperand(Op.getResNo()); 1057456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 105869a52155d2eff066b49dbac385113002fd9dba14Chris Lattner case ISD::CopyFromReg: 105969a52155d2eff066b49dbac385113002fd9dba14Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 10607310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner Result = Op.getValue(0); 1061f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner if (Node->getNumValues() == 2) { 1062c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 10637310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } else { 1064f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner assert(Node->getNumValues() == 3 && "Invalid copyfromreg!"); 1065c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Node->getNumOperands() == 3) { 1066f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(2)); 1067c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1),Tmp2); 1068c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else { 1069c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 1070c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } 10717310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner AddLegalizedOperand(Op.getValue(2), Result.getValue(2)); 10727310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 107313c184de29c09294ed63b01ac43e1b46c049278eChris Lattner // Since CopyFromReg produces two values, make sure to remember that we 107413c184de29c09294ed63b01ac43e1b46c049278eChris Lattner // legalized both of them. 107513c184de29c09294ed63b01ac43e1b46c049278eChris Lattner AddLegalizedOperand(Op.getValue(0), Result); 107613c184de29c09294ed63b01ac43e1b46c049278eChris Lattner AddLegalizedOperand(Op.getValue(1), Result.getValue(1)); 107799a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1078fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: { 107983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 1080fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman switch (TLI.getOperationAction(ISD::UNDEF, VT)) { 1081ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman default: assert(0 && "This action is not supported yet!"); 1082ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman case TargetLowering::Expand: 108383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isInteger()) 1084fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Result = DAG.getConstant(0, VT); 108583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands else if (VT.isFloatingPoint()) 108683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Result = DAG.getConstantFP(APFloat(APInt(VT.getSizeInBits(), 0)), 1087f41db2136fe50e1a92aabfcb3ba1ec1f70f5f0d5Dale Johannesen VT); 1088fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman else 1089fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman assert(0 && "Unknown value type!"); 1090fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1091ea19cd51aaf87c5cc19e7cdc2c32ddbefcac7b8fNate Begeman case TargetLowering::Legal: 1092fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1093fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman } 1094fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 1095fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman } 1096d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner 109748b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_W_CHAIN: 109848b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_WO_CHAIN: 109948b61a729df6576c8833a83893d4086bddff69a5Chris Lattner case ISD::INTRINSIC_VOID: { 1100475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 1101d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 1102d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 1103f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 110410d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner 110510d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner // Allow the target to custom lower its intrinsics if it wants to. 110648b61a729df6576c8833a83893d4086bddff69a5Chris Lattner if (TLI.getOperationAction(Node->getOpcode(), MVT::Other) == 110710d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner TargetLowering::Custom) { 110810d7fa62fffbceed580c34a00bd30f16643f6607Chris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1109ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) Result = Tmp3; 111013fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner } 111113fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 1112ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()->getNumValues() == 1) break; 111313fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 111413fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // Must have return value and chain result. 1115ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getNumValues() == 2 && 111613fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner "Cannot return more than two values!"); 111713fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner 111813fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // Since loads produce two values, make sure to remember that we 111913fc2f1d270cdedffb72b33621369cee9a2cdaaaChris Lattner // legalized both of them. 1120475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1121475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 112299a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1123d1f04d40a078d6ca7c876b16a178992a109af774Chris Lattner } 112436ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 11257f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman case ISD::DBG_STOPPOINT: 11267f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman assert(Node->getNumOperands() == 1 && "Invalid DBG_STOPPOINT node!"); 112736ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the input chain. 112836ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 11297f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman switch (TLI.getOperationAction(ISD::DBG_STOPPOINT, MVT::Other)) { 113036ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner case TargetLowering::Promote: 113136ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner default: assert(0 && "This action is not supported yet!"); 1132f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey case TargetLowering::Expand: { 113344c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey MachineModuleInfo *MMI = DAG.getMachineModuleInfo(); 1134abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey bool useDEBUG_LOC = TLI.isOperationLegal(ISD::DEBUG_LOC, MVT::Other); 11354406604047423576e36657c7ede266ca42e79642Dan Gohman bool useLABEL = TLI.isOperationLegal(ISD::DBG_LABEL, MVT::Other); 1136abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 11377f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman const DbgStopPointSDNode *DSP = cast<DbgStopPointSDNode>(Node); 113844c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey if (MMI && (useDEBUG_LOC || useLABEL)) { 11397f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman const CompileUnitDesc *CompileUnit = DSP->getCompileUnit(); 11407f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned SrcFile = MMI->RecordSource(CompileUnit); 1141abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 11427f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned Line = DSP->getLine(); 11437f460203b0c5350e9b2c592f438e40f7a7de6e45Dan Gohman unsigned Col = DSP->getColumn(); 1144abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 1145abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey if (useDEBUG_LOC) { 1146475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Tmp1, DAG.getConstant(Line, MVT::i32), 114771e8685633e7938ee752004cceedccbd0d850527Evan Cheng DAG.getConstant(Col, MVT::i32), 114871e8685633e7938ee752004cceedccbd0d850527Evan Cheng DAG.getConstant(SrcFile, MVT::i32) }; 114971e8685633e7938ee752004cceedccbd0d850527Evan Cheng Result = DAG.getNode(ISD::DEBUG_LOC, MVT::Other, Ops, 4); 1150abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } else { 1151a647c92ec2b3c91e1e6de25cc5c7860912c7626bEvan Cheng unsigned ID = MMI->RecordSourceLine(Line, Col, SrcFile); 11524406604047423576e36657c7ede266ca42e79642Dan Gohman Result = DAG.getLabel(ISD::DBG_LABEL, Tmp1, ID); 1153abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } 1154e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey } else { 1155e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey Result = Tmp1; // chain 1156e81aecbae69d4b3bd24523ec87673632d3b0beecJim Laskey } 115736ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 1158e773673d8e0094bbff2f9ab2f2da9ecb5c4d0909Chris Lattner } 115971e8685633e7938ee752004cceedccbd0d850527Evan Cheng case TargetLowering::Legal: { 116071e8685633e7938ee752004cceedccbd0d850527Evan Cheng LegalizeAction Action = getTypeAction(Node->getOperand(1).getValueType()); 116171e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal && Tmp1 == Node->getOperand(0)) 116271e8685633e7938ee752004cceedccbd0d850527Evan Cheng break; 116371e8685633e7938ee752004cceedccbd0d850527Evan Cheng 1164475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 116571e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Tmp1); 116671e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal) { 116771e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(1)); // line # must be legal. 116871e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(2)); // col # must be legal. 116971e8685633e7938ee752004cceedccbd0d850527Evan Cheng } else { 117071e8685633e7938ee752004cceedccbd0d850527Evan Cheng // Otherwise promote them. 117171e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(PromoteOp(Node->getOperand(1))); 117271e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(PromoteOp(Node->getOperand(2))); 117336ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner } 117471e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(3)); // filename must be legal. 117571e8685633e7938ee752004cceedccbd0d850527Evan Cheng Ops.push_back(Node->getOperand(4)); // working dir # must be legal. 117671e8685633e7938ee752004cceedccbd0d850527Evan Cheng Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 117736ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 117836ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner } 117971e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 118036ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner break; 1181a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 1182a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng case ISD::DECLARE: 1183a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng assert(Node->getNumOperands() == 3 && "Invalid DECLARE node!"); 1184a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng switch (TLI.getOperationAction(ISD::DECLARE, MVT::Other)) { 1185a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng default: assert(0 && "This action is not supported yet!"); 1186a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng case TargetLowering::Legal: 1187a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1188a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the address. 1189a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the variable. 1190a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1191a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng break; 1192e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner case TargetLowering::Expand: 1193e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner Result = LegalizeOp(Node->getOperand(0)); 1194e07415d4006b923ed1d2057ffa5a493353e28f9eChris Lattner break; 1195a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng } 1196a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng break; 1197f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey 1198f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey case ISD::DEBUG_LOC: 1199abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey assert(Node->getNumOperands() == 4 && "Invalid DEBUG_LOC node!"); 1200f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey switch (TLI.getOperationAction(ISD::DEBUG_LOC, MVT::Other)) { 1201f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey default: assert(0 && "This action is not supported yet!"); 120271e8685633e7938ee752004cceedccbd0d850527Evan Cheng case TargetLowering::Legal: { 120371e8685633e7938ee752004cceedccbd0d850527Evan Cheng LegalizeAction Action = getTypeAction(Node->getOperand(1).getValueType()); 1204abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 120571e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal && Tmp1 == Node->getOperand(0)) 120671e8685633e7938ee752004cceedccbd0d850527Evan Cheng break; 120771e8685633e7938ee752004cceedccbd0d850527Evan Cheng if (Action == Legal) { 120871e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp2 = Node->getOperand(1); 120971e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp3 = Node->getOperand(2); 121071e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp4 = Node->getOperand(3); 121171e8685633e7938ee752004cceedccbd0d850527Evan Cheng } else { 121271e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the line #. 121371e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the col #. 121471e8685633e7938ee752004cceedccbd0d850527Evan Cheng Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize the source file id. 121571e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 1216c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4); 1217abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey break; 1218abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey } 121971e8685633e7938ee752004cceedccbd0d850527Evan Cheng } 1220abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey break; 1221abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey 12224406604047423576e36657c7ede266ca42e79642Dan Gohman case ISD::DBG_LABEL: 12234406604047423576e36657c7ede266ca42e79642Dan Gohman case ISD::EH_LABEL: 12244406604047423576e36657c7ede266ca42e79642Dan Gohman assert(Node->getNumOperands() == 1 && "Invalid LABEL node!"); 12254406604047423576e36657c7ede266ca42e79642Dan Gohman switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { 1226abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey default: assert(0 && "This action is not supported yet!"); 1227abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey case TargetLowering::Legal: 1228abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 12294406604047423576e36657c7ede266ca42e79642Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 1230f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey break; 1231a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner case TargetLowering::Expand: 1232a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner Result = LegalizeOp(Node->getOperand(0)); 1233a9569f10de686119ff34b89e102b5a3cbafdf195Chris Lattner break; 1234f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey } 1235551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman break; 123636ce69195ed488034d0bb11180cc2ebd923679c8Chris Lattner 123727b7db549e4c5bff4579d209304de5628513edebEvan Cheng case ISD::PREFETCH: 123827b7db549e4c5bff4579d209304de5628513edebEvan Cheng assert(Node->getNumOperands() == 4 && "Invalid Prefetch node!"); 123927b7db549e4c5bff4579d209304de5628513edebEvan Cheng switch (TLI.getOperationAction(ISD::PREFETCH, MVT::Other)) { 124027b7db549e4c5bff4579d209304de5628513edebEvan Cheng default: assert(0 && "This action is not supported yet!"); 124127b7db549e4c5bff4579d209304de5628513edebEvan Cheng case TargetLowering::Legal: 124227b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 124327b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the address. 124427b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the rw specifier. 124527b7db549e4c5bff4579d209304de5628513edebEvan Cheng Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize locality specifier. 124627b7db549e4c5bff4579d209304de5628513edebEvan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4); 124727b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 124827b7db549e4c5bff4579d209304de5628513edebEvan Cheng case TargetLowering::Expand: 124927b7db549e4c5bff4579d209304de5628513edebEvan Cheng // It's a noop. 125027b7db549e4c5bff4579d209304de5628513edebEvan Cheng Result = LegalizeOp(Node->getOperand(0)); 125127b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 125227b7db549e4c5bff4579d209304de5628513edebEvan Cheng } 125327b7db549e4c5bff4579d209304de5628513edebEvan Cheng break; 125427b7db549e4c5bff4579d209304de5628513edebEvan Cheng 125522c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth case ISD::MEMBARRIER: { 125622c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth assert(Node->getNumOperands() == 6 && "Invalid MemBarrier node!"); 1257d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth switch (TLI.getOperationAction(ISD::MEMBARRIER, MVT::Other)) { 1258d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth default: assert(0 && "This action is not supported yet!"); 1259d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth case TargetLowering::Legal: { 1260475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[6]; 1261d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Ops[0] = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1262e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands for (int x = 1; x < 6; ++x) { 1263e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands Ops[x] = Node->getOperand(x); 1264e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands if (!isTypeLegal(Ops[x].getValueType())) 1265e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands Ops[x] = PromoteOp(Ops[x]); 1266e90a615f37aaee2ad9259c0ef21586d5e4142147Duncan Sands } 1267d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Result = DAG.UpdateNodeOperands(Result, &Ops[0], 6); 1268d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth break; 1269d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth } 1270d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth case TargetLowering::Expand: 1271d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth //There is no libgcc call for this op 1272d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth Result = Node->getOperand(0); // Noop 1273d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth break; 1274d497d9fab6e90499c703f3e672ec001dbfa074f9Andrew Lenharth } 127522c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth break; 127622c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth } 127722c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth 1278e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_8: 1279e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_16: 1280e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_32: 1281e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 128263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang unsigned int num_operands = 4; 128363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!"); 1284475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[4]; 128563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang for (unsigned int x = 0; x < num_operands; ++x) 128663307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Ops[x] = LegalizeOp(Node->getOperand(x)); 128763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = DAG.UpdateNodeOperands(Result, &Ops[0], num_operands); 128863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang 128963307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 129063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang default: assert(0 && "This action is not supported yet!"); 129163307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang case TargetLowering::Custom: 129263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = TLI.LowerOperation(Result, DAG); 129363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang break; 129463307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang case TargetLowering::Legal: 129563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang break; 129663307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang } 1297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1298475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 129999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1300126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands } 1301e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_8: 1302e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_8: 1303e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_8: 1304e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_8: 1305e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_8: 1306e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_8: 1307e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_8: 1308e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_8: 1309e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_8: 1310e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_8: 1311e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_8: 1312e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_16: 1313e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_16: 1314e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_16: 1315e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_16: 1316e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_16: 1317e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_16: 1318e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_16: 1319e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_16: 1320e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_16: 1321e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_16: 1322e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_16: 1323e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_32: 1324e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_32: 1325e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_32: 1326e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_32: 1327e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_32: 1328e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_32: 1329e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_32: 1330e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_32: 1331e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_32: 1332e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_32: 1333e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_32: 1334e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 1335e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 1336e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 1337e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 1338e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 1339e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 1340e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_64: 1341e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_64: 1342e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_64: 1343e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_64: 1344e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_64: { 134563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang unsigned int num_operands = 3; 134663307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang assert(Node->getNumOperands() == num_operands && "Invalid Atomic node!"); 1347475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[3]; 134863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang for (unsigned int x = 0; x < num_operands; ++x) 134926ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth Ops[x] = LegalizeOp(Node->getOperand(x)); 135063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang Result = DAG.UpdateNodeOperands(Result, &Ops[0], num_operands); 1351126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 135226ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 1353ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth default: assert(0 && "This action is not supported yet!"); 135426ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth case TargetLowering::Custom: 135526ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth Result = TLI.LowerOperation(Result, DAG); 135626ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth break; 135726ed8697d4733f4ad588ef117ec4387560770ad0Andrew Lenharth case TargetLowering::Legal: 1358ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 1359ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 1360475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1361475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 136299a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1363126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands } 1364c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel case ISD::Constant: { 1365c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel ConstantSDNode *CN = cast<ConstantSDNode>(Node); 1366c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel unsigned opAction = 1367c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel TLI.getOperationAction(ISD::Constant, CN->getValueType(0)); 1368c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel 13693e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // We know we don't need to expand constants here, constants only have one 13703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // value and we check that it is fine above. 13713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 1372c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel if (opAction == TargetLowering::Custom) { 1373c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 1374ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) 1375c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel Result = Tmp1; 1376c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel } 13773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 1378c1513d24eab4b193c951f3cad450ef344e88e0a6Scott Michel } 13793e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ConstantFP: { 13803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // Spill FP immediates to the constant pool if the target cannot directly 13813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // codegen them. Targets often have some immediate values that can be 13823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // efficiently generated into an FP register without a load. We explicitly 13833e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // leave these constants as ConstantFP nodes for the target to deal with. 13843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node); 13853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 13863181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner switch (TLI.getOperationAction(ISD::ConstantFP, CFP->getValueType(0))) { 13873181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner default: assert(0 && "This action is not supported yet!"); 1388e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman case TargetLowering::Legal: 1389e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 13903181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner case TargetLowering::Custom: 13913181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1392ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 13933181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner Result = Tmp3; 13943181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner break; 13953181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner } 13963181a771ff5b2090b7ed55f9b18a684ea8fe625aChris Lattner // FALLTHROUGH 1397e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman case TargetLowering::Expand: { 1398e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman // Check to see if this FP immediate is already legal. 1399e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman bool isLegal = false; 1400e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman for (TargetLowering::legal_fpimm_iterator I = TLI.legal_fpimm_begin(), 1401e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman E = TLI.legal_fpimm_end(); I != E; ++I) { 1402e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman if (CFP->isExactlyValue(*I)) { 1403e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman isLegal = true; 1404e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 1405e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 1406e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 1407e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman // If this is a legal constant, turn it into a TargetConstantFP node. 1408e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman if (isLegal) 1409e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman break; 1410279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng Result = ExpandConstantFP(CFP, true, DAG, TLI); 14113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1412e179584f9b740cf3a36bde70f8cab40de59b8081Nate Begeman } 14133e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 14143e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 1415040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner case ISD::TokenFactor: 1416040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner if (Node->getNumOperands() == 2) { 1417c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1418c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1419c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 1420c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else if (Node->getNumOperands() == 3) { 1421c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 1422c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1423c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); 1424c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1425040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner } else { 1426475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 1427040c11c24e9f6c172eaf680e135d9bb466c284b2Chris Lattner // Legalize the operands. 1428c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) 1429c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 1430f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 1431a385e9b20fa7d37d3842ce15afd412f617d83a27Chris Lattner } 1432a385e9b20fa7d37d3842ce15afd412f617d83a27Chris Lattner break; 1433fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner 1434fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner case ISD::FORMAL_ARGUMENTS: 1435f4ec817299a4187044a6162c2f520772b3ad69a0Chris Lattner case ISD::CALL: 1436fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner // The only option for this is to custom lower it. 1437b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp3 = TLI.LowerOperation(Result.getValue(0), DAG); 1438ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp3.getNode() && "Target didn't custom lower this node!"); 14390ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // A call within a calling sequence must be legalized to something 14400ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // other than the normal CALLSEQ_END. Violating this gets Legalize 14410ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // into an infinite loop. 14420ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen assert ((!IsLegalizingCall || 14430ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen Node->getOpcode() != ISD::CALL || 1444ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp3.getNode()->getOpcode() != ISD::CALLSEQ_END) && 14450ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen "Nested CALLSEQ_START..CALLSEQ_END not supported."); 14460f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 14470f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // The number of incoming and outgoing values should match; unless the final 14480f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // outgoing value is a flag. 1449ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert((Tmp3.getNode()->getNumValues() == Result.getNode()->getNumValues() || 1450ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif (Tmp3.getNode()->getNumValues() == Result.getNode()->getNumValues() + 1 && 1451ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp3.getNode()->getValueType(Tmp3.getNode()->getNumValues() - 1) == 14520f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling MVT::Flag)) && 1453b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner "Lowering call/formal_arguments produced unexpected # results!"); 1454e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner 1455f4ec817299a4187044a6162c2f520772b3ad69a0Chris Lattner // Since CALL/FORMAL_ARGUMENTS nodes produce multiple values, make sure to 1456e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner // remember that we legalized all of them, so it doesn't get relegalized. 1457ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif for (unsigned i = 0, e = Tmp3.getNode()->getNumValues(); i != e; ++i) { 1458ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()->getValueType(i) == MVT::Flag) 14590f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling continue; 1460b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = LegalizeOp(Tmp3.getValue(i)); 146199a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif if (Op.getResNo() == i) 1462e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner Tmp2 = Tmp1; 1463475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Tmp1); 1464e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner } 1465e2e41730ccfa9bebfabbd17ab3454aa2bb620b2aChris Lattner return Tmp2; 1466557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb case ISD::EXTRACT_SUBREG: { 1467557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp1 = LegalizeOp(Node->getOperand(0)); 1468557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb ConstantSDNode *idx = dyn_cast<ConstantSDNode>(Node->getOperand(1)); 1469557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb assert(idx && "Operand must be a constant"); 1470f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Tmp2 = DAG.getTargetConstant(idx->getAPIntValue(), idx->getValueType(0)); 1471557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 1472557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb } 1473557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb break; 1474557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb case ISD::INSERT_SUBREG: { 1475557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp1 = LegalizeOp(Node->getOperand(0)); 1476557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Tmp2 = LegalizeOp(Node->getOperand(1)); 1477557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb ConstantSDNode *idx = dyn_cast<ConstantSDNode>(Node->getOperand(2)); 1478557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb assert(idx && "Operand must be a constant"); 1479f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Tmp3 = DAG.getTargetConstant(idx->getAPIntValue(), idx->getValueType(0)); 1480557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1481557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb } 1482557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb break; 1483b2827b0901162169bb2692b77a839c9767849134Chris Lattner case ISD::BUILD_VECTOR: 1484b2827b0901162169bb2692b77a839c9767849134Chris Lattner switch (TLI.getOperationAction(ISD::BUILD_VECTOR, Node->getValueType(0))) { 14852332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: assert(0 && "This action is not supported yet!"); 14862332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Custom: 14872332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1488ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 14892332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Result = Tmp3; 14902332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 14912332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 14922332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner // FALLTHROUGH 1493ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case TargetLowering::Expand: 1494ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandBUILD_VECTOR(Result.getNode()); 1495b2827b0901162169bb2692b77a839c9767849134Chris Lattner break; 14962332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 14972332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 14982332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case ISD::INSERT_VECTOR_ELT: 14992332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // InVec 15002332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // InEltNo 15010325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15020325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // The type of the value to insert may not be legal, even though the vector 15030325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // type is legal. Legalize/Promote accordingly. We do not handle Expand 15040325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // here. 15050325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 15060325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman default: assert(0 && "Cannot expand insert element operand"); 15070325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman case Legal: Tmp2 = LegalizeOp(Node->getOperand(1)); break; 15080325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); break; 15090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Expand: 15100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // FIXME: An alternative would be to check to see if the target is not 15110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // going to custom lower this operation, we could bitcast to half elt 15120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // width and perform two inserts at that width, if that is legal. 15130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp2 = Node->getOperand(1); 15140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 15150325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman } 15162332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 15172332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner 15182332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner switch (TLI.getOperationAction(ISD::INSERT_VECTOR_ELT, 15192332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner Node->getValueType(0))) { 15202332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: assert(0 && "This action is not supported yet!"); 15212332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Legal: 15222332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15232332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Custom: 15242281a991414f681c482157265461b29a923ef620Nate Begeman Tmp4 = TLI.LowerOperation(Result, DAG); 1525ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) { 15262281a991414f681c482157265461b29a923ef620Nate Begeman Result = Tmp4; 15272332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15282332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15292332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner // FALLTHROUGH 15300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 15310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Fall thru for vector case 15322332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner case TargetLowering::Expand: { 15338d5a894501b7546dee94df03118b90126c420820Chris Lattner // If the insert index is a constant, codegen this as a scalar_to_vector, 15348d5a894501b7546dee94df03118b90126c420820Chris Lattner // then a shuffle that inserts it into the right position in the vector. 15358d5a894501b7546dee94df03118b90126c420820Chris Lattner if (ConstantSDNode *InsertPos = dyn_cast<ConstantSDNode>(Tmp3)) { 15360325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // SCALAR_TO_VECTOR requires that the type of the value being inserted 15370325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // match the element type of the vector being created. 15380325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman if (Tmp2.getValueType() == 153983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Op.getValueType().getVectorElementType()) { 1540475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScVec = DAG.getNode(ISD::SCALAR_TO_VECTOR, 15410325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Tmp1.getValueType(), Tmp2); 15420325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 154383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElts = Tmp1.getValueType().getVectorNumElements(); 154483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShufMaskVT = 154583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT::getIntVectorWithNumElements(NumElts); 154683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShufMaskEltVT = ShufMaskVT.getVectorElementType(); 15470325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15480325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // We generate a shuffle of InVec and ScVec, so the shuffle mask 15490325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // should be 0,1,2,3,4,5... with the appropriate element replaced with 15500325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman // elt 0 of the RHS. 1551475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> ShufOps; 15520325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman for (unsigned i = 0; i != NumElts; ++i) { 1553f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (i != InsertPos->getZExtValue()) 15540325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman ShufOps.push_back(DAG.getConstant(i, ShufMaskEltVT)); 15550325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman else 15560325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman ShufOps.push_back(DAG.getConstant(NumElts, ShufMaskEltVT)); 15570325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman } 1558475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShufMask = DAG.getNode(ISD::BUILD_VECTOR, ShufMaskVT, 15590325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman &ShufOps[0], ShufOps.size()); 15600325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman 15610325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Result = DAG.getNode(ISD::VECTOR_SHUFFLE, Tmp1.getValueType(), 15620325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Tmp1, ScVec, ShufMask); 15630325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman Result = LegalizeOp(Result); 15640325d90348f33e8aa719cd70e4663e7b108297fdNate Begeman break; 15658d5a894501b7546dee94df03118b90126c420820Chris Lattner } 15668d5a894501b7546dee94df03118b90126c420820Chris Lattner } 15676867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Result = PerformInsertVectorEltInMemory(Tmp1, Tmp2, Tmp3); 15682332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 15692332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15702332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner } 15712332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 1572ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case ISD::SCALAR_TO_VECTOR: 15734352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (!TLI.isTypeLegal(Node->getOperand(0).getValueType())) { 15744352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = LegalizeOp(ExpandSCALAR_TO_VECTOR(Node)); 15754352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 15764352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 15774352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 1578ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // InVal 1579ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 1580ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner switch (TLI.getOperationAction(ISD::SCALAR_TO_VECTOR, 1581ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Node->getValueType(0))) { 1582ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner default: assert(0 && "This action is not supported yet!"); 1583ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner case TargetLowering::Legal: 1584ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 15854d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner case TargetLowering::Custom: 15864d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 1587ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 15884d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner Result = Tmp3; 15894d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner break; 15904d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner } 15914d3abee6183f110c9db56b94b0a4b5f8c985002aChris Lattner // FALLTHROUGH 15924352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Expand: 15934352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = LegalizeOp(ExpandSCALAR_TO_VECTOR(Node)); 1594ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 1595ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 1596ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner break; 159787100e0b83b808757bf44dabecd1d1048255d1adChris Lattner case ISD::VECTOR_SHUFFLE: 159887100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the input vectors, 159987100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // but not the shuffle mask. 160087100e0b83b808757bf44dabecd1d1048255d1adChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 160187100e0b83b808757bf44dabecd1d1048255d1adChris Lattner 160287100e0b83b808757bf44dabecd1d1048255d1adChris Lattner // Allow targets to custom lower the SHUFFLEs they support. 16034352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner switch (TLI.getOperationAction(ISD::VECTOR_SHUFFLE,Result.getValueType())) { 16044352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner default: assert(0 && "Unknown operation action!"); 16054352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Legal: 16064352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner assert(isShuffleLegal(Result.getValueType(), Node->getOperand(2)) && 16074352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner "vector shuffle should not be created if not legal!"); 16084352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16094352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Custom: 161018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Tmp3 = TLI.LowerOperation(Result, DAG); 1611ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 161218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Result = Tmp3; 161318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng break; 161418dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 161518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng // FALLTHROUGH 161618dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng case TargetLowering::Expand: { 161783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 161883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EltVT = VT.getVectorElementType(); 161983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 1620475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = Node->getOperand(2); 162118dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng unsigned NumElems = Mask.getNumOperands(); 1622475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue,8> Ops; 162318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng for (unsigned i = 0; i != NumElems; ++i) { 1624475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Arg = Mask.getOperand(i); 162518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng if (Arg.getOpcode() == ISD::UNDEF) { 162618dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); 162718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } else { 162818dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng assert(isa<ConstantSDNode>(Arg) && "Invalid VECTOR_SHUFFLE mask!"); 1629f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(Arg)->getZExtValue(); 163018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng if (Idx < NumElems) 163118dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, Tmp1, 163218dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng DAG.getConstant(Idx, PtrVT))); 163318dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng else 163418dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, Tmp2, 163518dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng DAG.getConstant(Idx - NumElems, PtrVT))); 163618dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 163718dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 1638bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner Result = DAG.getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size()); 16394352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 164018dd6d0a2aeb3b827391f46996a7b40c9b1f907aEvan Cheng } 16414352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner case TargetLowering::Promote: { 16424352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Change base type to a different vector type. 164383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getValueType(0); 164483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 16454352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 16464352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Cast the two input vectors. 16474352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); 16484352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); 16494352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 16504352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Convert the shuffle mask to the right # elements. 1651475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp3 = SDValue(isShuffleLegal(OVT, Node->getOperand(2)), 0); 1652ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp3.getNode() && "Shuffle not legal?"); 16534352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = DAG.getNode(ISD::VECTOR_SHUFFLE, NVT, Tmp1, Tmp2, Tmp3); 16544352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); 16554352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner break; 16564352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner } 165787100e0b83b808757bf44dabecd1d1048255d1adChris Lattner } 165887100e0b83b808757bf44dabecd1d1048255d1adChris Lattner break; 1659384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner 1660384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner case ISD::EXTRACT_VECTOR_ELT: 16617f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp1 = Node->getOperand(0); 1662384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); 1663384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 16647f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ExpandEXTRACT_VECTOR_ELT(Result); 1665384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner break; 1666384504cea6c392125a2318d8bbb7f25aa0bbff7eChris Lattner 16677f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 16687f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp1 = Node->getOperand(0); 16697f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Node->getOperand(1)); 16707f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 16717f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ExpandEXTRACT_SUBVECTOR(Result); 16726595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 16736595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 16740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CONCAT_VECTORS: { 16750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Use extract/insert/build vector for now. We might try to be 16760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // more clever later. 16770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT PtrVT = TLI.getPointerTy(); 16780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SmallVector<SDValue, 8> Ops; 16790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumOperands = Node->getNumOperands(); 16800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i=0; i < NumOperands; ++i) { 16810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue SubOp = Node->getOperand(i); 16820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = SubOp.getNode()->getValueType(0); 16830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EltVT = VVT.getVectorElementType(); 16840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumSubElem = VVT.getVectorNumElements(); 16850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned j=0; j < NumSubElem; ++j) { 16860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EltVT, SubOp, 16870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getConstant(j, PtrVT))); 16880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 16890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 16900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return LegalizeOp(DAG.getNode(ISD::BUILD_VECTOR, Node->getValueType(0), 16910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &Ops[0], Ops.size())); 16920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 16930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 16946831a815999dde4cf801e2076e66b4943964daf2Chris Lattner case ISD::CALLSEQ_START: { 16956831a815999dde4cf801e2076e66b4943964daf2Chris Lattner SDNode *CallEnd = FindCallEndFromCallStart(Node); 16966831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 16976831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Recursively Legalize all of the inputs of the call end that do not lead 16986831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // to this call start. This ensures that any libcalls that need be inserted 16996831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // are inserted *before* the CALLSEQ_START. 170000755df36c1448ac4728a74d907aa09e3d8b2d49Chris Lattner {SmallPtrSet<SDNode*, 32> NodesLeadingTo; 17016831a815999dde4cf801e2076e66b4943964daf2Chris Lattner for (unsigned i = 0, e = CallEnd->getNumOperands(); i != e; ++i) 1702ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LegalizeAllNodesNotLeadingTo(CallEnd->getOperand(i).getNode(), Node, 1703c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner NodesLeadingTo); 1704c9cf4f1a7573ac7e379efd6ad15d7bd0a84a097cChris Lattner } 17056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Now that we legalized all of the inputs (which may have inserted 17076831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // libcalls) create the new CALLSEQ_START node. 17086831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 17096831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17106831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Merge in the last call, to ensure that this call start after the last 17116831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // call ended. 1712c5d7d7c715f7b7a4eeea1ceaafefc3d1d6df2addChris Lattner if (LastCALLSEQ_END.getOpcode() != ISD::EntryToken) { 1713b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 1714b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner Tmp1 = LegalizeOp(Tmp1); 1715b248e16afd105fd8c01e08d8bf997b08ff08d127Chris Lattner } 17166831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17176831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Do not try to legalize the target-specific arguments (#1+). 17186831a815999dde4cf801e2076e66b4943964daf2Chris Lattner if (Tmp1 != Node->getOperand(0)) { 1719475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 17206831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Ops[0] = Tmp1; 1721f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 17226831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 17236831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17246831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Remember that the CALLSEQ_START is legalized. 17254b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner AddLegalizedOperand(Op.getValue(0), Result); 17264b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner if (Node->getNumValues() == 2) // If this has a flag result, remember it. 17274b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner AddLegalizedOperand(Op.getValue(1), Result.getValue(1)); 17284b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner 17296831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Now that the callseq_start and all of the non-call nodes above this call 17306831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // sequence have been legalized, legalize the call itself. During this 17316831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // process, no libcalls can/will be inserted, guaranteeing that no calls 17326831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // can overlap. 17336831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "Inconsistent sequentialization of calls!"); 17346831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Note that we are selecting this call! 1735475871a144eb604ddaf37503397ba0941442e5fbDan Gohman LastCALLSEQ_END = SDValue(CallEnd, 0); 17366831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = true; 17376831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17386831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalize the call, starting from the CALLSEQ_END. 17396831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LegalizeOp(LastCALLSEQ_END); 17406831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "CALLSEQ_END should have cleared this!"); 17416831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return Result; 17426831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 174316cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner case ISD::CALLSEQ_END: 17446831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // If the CALLSEQ_START node hasn't been legalized first, legalize it. This 17456831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // will cause this node to be legalized as well as handling libcalls right. 1746ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (LastCALLSEQ_END.getNode() != Node) { 1747475871a144eb604ddaf37503397ba0941442e5fbDan Gohman LegalizeOp(SDValue(FindCallStartFromCallEnd(Node), 0)); 1748475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = LegalizedNodes.find(Op); 17496831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(I != LegalizedNodes.end() && 17506831a815999dde4cf801e2076e66b4943964daf2Chris Lattner "Legalizing the call start should have legalized this node!"); 17516831a815999dde4cf801e2076e66b4943964daf2Chris Lattner return I->second; 17526831a815999dde4cf801e2076e66b4943964daf2Chris Lattner } 17536831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 17546831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Otherwise, the call start has been legalized and everything is going 17556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // according to plan. Just legalize ourselves normally here. 17563e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 175770814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner // Do not try to legalize the target-specific arguments (#1+), except for 175870814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner // an optional flag input. 175970814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Node->getOperand(Node->getNumOperands()-1).getValueType() != MVT::Flag){ 176070814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Tmp1 != Node->getOperand(0)) { 1761475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 176270814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops[0] = Tmp1; 1763f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 176470814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } 176570814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } else { 176670814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Tmp2 = LegalizeOp(Node->getOperand(Node->getNumOperands()-1)); 176770814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner if (Tmp1 != Node->getOperand(0) || 176870814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Tmp2 != Node->getOperand(Node->getNumOperands()-1)) { 1769475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 177070814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops[0] = Tmp1; 177170814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner Ops.back() = Tmp2; 1772f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 177370814bc38435d61a8c7cc32f2375c09e21f12a8aChris Lattner } 17746a5428934ba6159c1acc541944332e51a6cfa59aChris Lattner } 17754b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner assert(IsLegalizingCall && "Call sequence imbalance between start/end?"); 17766831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // This finishes up call legalization. 17776831a815999dde4cf801e2076e66b4943964daf2Chris Lattner IsLegalizingCall = false; 17784b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner 17794b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner // If the CALLSEQ_END node has a flag, remember that we legalized it. 1780475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 17814b653a0405bb16b555334d134c1eb8a97366ec3dChris Lattner if (Node->getNumValues() == 2) 1782475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 178399a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 1784a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng case ISD::DYNAMIC_STACKALLOC: { 178583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 1786fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 1787fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the size. 1788fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the alignment. 1789c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 1790fa404e8a76abfdafefb8806b35f596d288609496Chris Lattner 1791c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = Result.getValue(0); 17925f652295c27826f26547cf5eb4096a59d86b56b8Chris Lattner Tmp2 = Result.getValue(1); 179361bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 1794a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng default: assert(0 && "This action is not supported yet!"); 1795903d278a9b7398d8905c90832e587e0556c52789Chris Lattner case TargetLowering::Expand: { 1796903d278a9b7398d8905c90832e587e0556c52789Chris Lattner unsigned SPReg = TLI.getStackPointerRegisterToSaveRestore(); 1797903d278a9b7398d8905c90832e587e0556c52789Chris Lattner assert(SPReg && "Target cannot require DYNAMIC_STACKALLOC expansion and" 1798903d278a9b7398d8905c90832e587e0556c52789Chris Lattner " not tell us which reg is the stack pointer!"); 1799475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = Tmp1.getOperand(0); 18000f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 18010f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // Chain the dynamic stack allocation so that it doesn't modify the stack 18020f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling // pointer when other instructions are using the stack. 1803e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(0, true)); 18040f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1805475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Size = Tmp2.getOperand(1); 1806475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SP = DAG.getCopyFromReg(Chain, SPReg, VT); 180761bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng Chain = SP.getValue(1); 1808f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Align = cast<ConstantSDNode>(Tmp3)->getZExtValue(); 180961bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng unsigned StackAlign = 181061bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng TLI.getTargetMachine().getFrameInfo()->getStackAlignment(); 181161bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng if (Align > StackAlign) 18123e20bba5eb5df2fdd3e6655c8470084cf05032d4Evan Cheng SP = DAG.getNode(ISD::AND, VT, SP, 18133e20bba5eb5df2fdd3e6655c8470084cf05032d4Evan Cheng DAG.getConstant(-(uint64_t)Align, VT)); 181461bbbabe3da27479cc9a3a36e49091a1141ba7a3Evan Cheng Tmp1 = DAG.getNode(ISD::SUB, VT, SP, Size); // Value 18150f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling Chain = DAG.getCopyToReg(Chain, SPReg, Tmp1); // Output chain 18160f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1817e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner Tmp2 = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(0, true), 1818e563bbc312f8b11ecfe12b8187176f667df1dff3Chris Lattner DAG.getIntPtrConstant(0, true), SDValue()); 18190f8d9c04d9feef86cee35cf5fecfb348a6b3de50Bill Wendling 1820c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp1); 1821c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp2); 1822903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1823903d278a9b7398d8905c90832e587e0556c52789Chris Lattner } 1824903d278a9b7398d8905c90832e587e0556c52789Chris Lattner case TargetLowering::Custom: 18255f652295c27826f26547cf5eb4096a59d86b56b8Chris Lattner Tmp3 = TLI.LowerOperation(Tmp1, DAG); 1826ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 1827c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp3); 1828c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp3.getValue(1)); 1829a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 1830903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1831a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng case TargetLowering::Legal: 1832903d278a9b7398d8905c90832e587e0556c52789Chris Lattner break; 1833a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 1834903d278a9b7398d8905c90832e587e0556c52789Chris Lattner // Since this op produce two values, make sure to remember that we 1835903d278a9b7398d8905c90832e587e0556c52789Chris Lattner // legalized both of them. 1836475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 1837475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 183899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 1839a7dce3c6c29fb9513d215c1bc44b01865571b4c2Evan Cheng } 184025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner case ISD::INLINEASM: { 1841475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops(Node->op_begin(), Node->op_end()); 184225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner bool Changed = false; 184325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // Legalize all of the operands of the inline asm, in case they are nodes 184425a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // that need to be expanded or something. Note we skip the asm string and 184525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner // all of the TargetConstant flags. 1846475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = LegalizeOp(Ops[0]); 184725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed = Op != Ops[0]; 184825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops[0] = Op; 184925a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner 185025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner bool HasInFlag = Ops.back().getValueType() == MVT::Flag; 185125a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner for (unsigned i = 2, e = Ops.size()-HasInFlag; i < e; ) { 1852f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned NumVals = cast<ConstantSDNode>(Ops[i])->getZExtValue() >> 3; 185325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner for (++i; NumVals; ++i, --NumVals) { 1854475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = LegalizeOp(Ops[i]); 185525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (Op != Ops[i]) { 185625a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed = true; 185725a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops[i] = Op; 185825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 185925a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 186025a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 186125a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner 186225a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (HasInFlag) { 186325a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Op = LegalizeOp(Ops.back()); 186425a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Changed |= Op != Ops.back(); 186525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner Ops.back() = Op; 186625a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 1867ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner 186825a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner if (Changed) 1869f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 1870ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner 1871ce7518ce92f45568dc7d4cbb863284afb962fec5Chris Lattner // INLINE asm returns a chain and flag, make sure to add both to the map. 1872475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 1873475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 187499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 187525a022c7801b047b31d7610386e8a9ddca878cb1Chris Lattner } 1876c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner case ISD::BR: 1877c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 18786831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a branch. 18796831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 18806831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 18816831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 18826831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 1883c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 1884c7af17923e3bb6053f529679ef0be5399d3519edChris Lattner break; 188537efe6764568a3829fee26aba532283131d1a104Nate Begeman case ISD::BRIND: 188637efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 188737efe6764568a3829fee26aba532283131d1a104Nate Begeman // Ensure that libcalls are emitted before a branch. 188837efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 188937efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp1 = LegalizeOp(Tmp1); 189037efe6764568a3829fee26aba532283131d1a104Nate Begeman LastCALLSEQ_END = DAG.getEntryNode(); 189137efe6764568a3829fee26aba532283131d1a104Nate Begeman 189237efe6764568a3829fee26aba532283131d1a104Nate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 189337efe6764568a3829fee26aba532283131d1a104Nate Begeman default: assert(0 && "Indirect target must be legal type (pointer)!"); 189437efe6764568a3829fee26aba532283131d1a104Nate Begeman case Legal: 189537efe6764568a3829fee26aba532283131d1a104Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. 189637efe6764568a3829fee26aba532283131d1a104Nate Begeman break; 189737efe6764568a3829fee26aba532283131d1a104Nate Begeman } 189837efe6764568a3829fee26aba532283131d1a104Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 189937efe6764568a3829fee26aba532283131d1a104Nate Begeman break; 19003d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case ISD::BR_JT: 19013d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19023d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // Ensure that libcalls are emitted before a branch. 19033d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19043d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = LegalizeOp(Tmp1); 19053d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng LastCALLSEQ_END = DAG.getEntryNode(); 19063d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 19073d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the jumptable node. 19083d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 19093d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 19103d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng switch (TLI.getOperationAction(ISD::BR_JT, MVT::Other)) { 19113d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng default: assert(0 && "This action is not supported yet!"); 19123d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Legal: break; 19133d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Custom: 19143d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 1915ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 19163d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng break; 19173d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng case TargetLowering::Expand: { 1918475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Chain = Result.getOperand(0); 1919475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Table = Result.getOperand(1); 1920475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Index = Result.getOperand(2); 19213d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng 192283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PTy = TLI.getPointerTy(); 1923acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey MachineFunction &MF = DAG.getMachineFunction(); 1924acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey unsigned EntrySize = MF.getJumpTableInfo()->getEntrySize(); 19253d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng Index= DAG.getNode(ISD::MUL, PTy, Index, DAG.getConstant(EntrySize, PTy)); 1926475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Addr = DAG.getNode(ISD::ADD, PTy, Index, Table); 1927acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 1928475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LD; 1929acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey switch (EntrySize) { 1930acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey default: assert(0 && "Size of jump table not supported yet."); break; 193169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr, 19323069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getJumpTable(), 0); break; 193369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, 19343069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getJumpTable(), 0); break; 1935acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey } 1936acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey 1937cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = LD; 1938acd80ac7bb19f8bdfa55336d567c9ecbe695c8b8Jim Laskey if (TLI.getTargetMachine().getRelocationModel() == Reloc::PIC_) { 19393d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // For PIC, the sequence is: 19403d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng // BRIND(load(Jumptable + index) + RelocBase) 1941cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng // RelocBase can be JumpTable, GOT or some sort of global base. 1942cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng if (PTy != MVT::i32) 1943cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = DAG.getNode(ISD::SIGN_EXTEND, PTy, Addr); 1944cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Addr = DAG.getNode(ISD::ADD, PTy, Addr, 1945cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng TLI.getPICJumpTableRelocBase(Table, DAG)); 19463d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 1947cc41586b9d79532172b37e1f44a9077da4b73fc9Evan Cheng Result = DAG.getNode(ISD::BRIND, MVT::Other, LD.getValue(1), Addr); 19483d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 19493d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng } 19503d4ce1108520a4dcf31cb01523e145d286ee64c1Evan Cheng break; 1951c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner case ISD::BRCOND: 1952c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 19536831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a return. 19546831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 19556831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 19566831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 19576831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 195847e9223e06390897c3834f8c527001df392570ffChris Lattner switch (getTypeAction(Node->getOperand(1).getValueType())) { 195947e9223e06390897c3834f8c527001df392570ffChris Lattner case Expand: assert(0 && "It's impossible to expand bools"); 196047e9223e06390897c3834f8c527001df392570ffChris Lattner case Legal: 196147e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. 196247e9223e06390897c3834f8c527001df392570ffChris Lattner break; 19632e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman case Promote: { 196447e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the condition. 1965f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner 1966f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner // The top bits of the promoted condition are not necessarily zero, ensure 1967f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner // that the value is properly zero extended. 19682e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned BitWidth = Tmp2.getValueSizeInBits(); 1969ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman if (!DAG.MaskedValueIsZero(Tmp2, 19702e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman APInt::getHighBitsSet(BitWidth, BitWidth-1))) 1971f9908172e980aab15a36bd110ccdbc5f7afa44f6Chris Lattner Tmp2 = DAG.getZeroExtendInReg(Tmp2, MVT::i1); 197247e9223e06390897c3834f8c527001df392570ffChris Lattner break; 197347e9223e06390897c3834f8c527001df392570ffChris Lattner } 19742e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman } 1975456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 1976456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Basic block destination (Op#2) is always legal. 1977c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 19787cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 19797cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman switch (TLI.getOperationAction(ISD::BRCOND, MVT::Other)) { 19807cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman default: assert(0 && "This action is not supported yet!"); 1981456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 1982456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 1983456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 1984ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 1985456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 19867cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman case TargetLowering::Expand: 19877cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // Expand brcond's setcc into its constituent parts and create a BR_CC 19887cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // Node. 19897cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman if (Tmp2.getOpcode() == ISD::SETCC) { 19907cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Result = DAG.getNode(ISD::BR_CC, MVT::Other, Tmp1, Tmp2.getOperand(2), 19917cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Tmp2.getOperand(0), Tmp2.getOperand(1), 19927cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Node->getOperand(2)); 19937cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } else { 19947cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Result = DAG.getNode(ISD::BR_CC, MVT::Other, Tmp1, 19957cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman DAG.getCondCode(ISD::SETNE), Tmp2, 19967cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman DAG.getConstant(0, Tmp2.getValueType()), 19977cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Node->getOperand(2)); 19987cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 19997cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman break; 20007cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 20017cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman break; 20027cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman case ISD::BR_CC: 20037cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 20046831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a branch. 20056831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 20066831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 2007750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(2); // LHS 2008750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = Node->getOperand(3); // RHS 2009750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp4 = Node->getOperand(1); // CC 2010181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner 201153e4e4478c69c2c2115db833b54385117c764d14Dale Johannesen LegalizeSetCC(TLI.getSetCCResultType(Tmp2), Tmp2, Tmp3, Tmp4); 2012722cb360690e5d7742b01a9f497fdb65bf8079d5Evan Cheng LastCALLSEQ_END = DAG.getEntryNode(); 2013722cb360690e5d7742b01a9f497fdb65bf8079d5Evan Cheng 20147f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // If we didn't get both a LHS and RHS back from LegalizeSetCC, 2015750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the LHS is a legal SETCC itself. In this case, we need to compare 2016750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the result against zero to select between true and false values. 2017ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode() == 0) { 2018750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = DAG.getConstant(0, Tmp2.getValueType()); 2019750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp4 = DAG.getCondCode(ISD::SETNE); 2020750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 2021750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2022750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp4, Tmp2, Tmp3, 2023750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Node->getOperand(4)); 2024456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2025181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner switch (TLI.getOperationAction(ISD::BR_CC, Tmp3.getValueType())) { 2026181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner default: assert(0 && "Unexpected action for BR_CC!"); 2027456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2028456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2029456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp4 = TLI.LowerOperation(Result, DAG); 2030ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) Result = Tmp4; 2031181b7a382fbdd3d03ce373a6ffac2204e763f9c3Chris Lattner break; 20327cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman } 2033c18ae4cb6a263cf31283c0ef51ace24350f8d72bChris Lattner break; 2034f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng case ISD::LOAD: { 2035466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 2036466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = LegalizeOp(LD->getChain()); // Legalize the chain. 2037466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp2 = LegalizeOp(LD->getBasePtr()); // Legalize the base pointer. 20382d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 2039466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng ISD::LoadExtType ExtType = LD->getExtensionType(); 2040466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::NON_EXTLOAD) { 204183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 2042466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, LD->getOffset()); 2043466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = Result.getValue(0); 2044466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp4 = Result.getValue(1); 2045456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2046466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 2047466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng default: assert(0 && "This action is not supported yet!"); 2048f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio case TargetLowering::Legal: 2049f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If this is an unaligned load and the target doesn't support it, 2050f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // expand it. 2051f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (!TLI.allowsUnalignedMemoryAccesses()) { 2052f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio unsigned ABIAlignment = TLI.getTargetData()-> 205383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(LD->getMemoryVT().getTypeForMVT()); 2054f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (LD->getAlignment() < ABIAlignment){ 2055ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG, 2056f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio TLI); 2057f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Tmp3 = Result.getOperand(0); 2058f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio Tmp4 = Result.getOperand(1); 2059907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Tmp3 = LegalizeOp(Tmp3); 2060907f28ce3032e67c02a50095659e901de867dd3cDale Johannesen Tmp4 = LegalizeOp(Tmp4); 2061f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2062f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2063f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio break; 2064466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case TargetLowering::Custom: 2065466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = TLI.LowerOperation(Tmp3, DAG); 2066ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 2067466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = LegalizeOp(Tmp1); 2068466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp4 = LegalizeOp(Tmp1.getValue(1)); 2069466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 2070466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2071466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case TargetLowering::Promote: { 2072466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Only promote a load of vector type to another. 207383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isVector() && "Cannot promote this load!"); 2074466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Change base type to a different vector type. 207583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), VT); 2076466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 2077466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp1 = DAG.getLoad(NVT, Tmp1, Tmp2, LD->getSrcValue(), 2078d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->getSrcValueOffset(), 2079d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->isVolatile(), LD->getAlignment()); 2080466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Tmp3 = LegalizeOp(DAG.getNode(ISD::BIT_CONVERT, VT, Tmp1)); 208141f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng Tmp4 = LegalizeOp(Tmp1.getValue(1)); 2082466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2083f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 2084466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 2085466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Since loads produce two values, make sure to remember that we 2086466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // legalized both of them. 2087475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp3); 2088475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp4); 208999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp4 : Tmp3; 2090466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else { 209183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = LD->getMemoryVT(); 209283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SrcWidth = SrcVT.getSizeInBits(); 2093f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands int SVOffset = LD->getSrcValueOffset(); 2094f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned Alignment = LD->getAlignment(); 2095f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands bool isVolatile = LD->isVolatile(); 2096f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 209783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (SrcWidth != SrcVT.getStoreSizeInBits() && 2098f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Some targets pretend to have an i1 loading operation, and actually 2099f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // load an i8. This trick is correct for ZEXTLOAD because the top 7 2100f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // bits are guaranteed to be zero; it helps the optimizers understand 2101f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // that these bits are zero. It is also useful for EXTLOAD, since it 2102f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // tells the optimizers that those bits are undefined. It would be 2103f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // nice to have an effective generic way of getting these benefits... 2104f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Until such a way is found, don't insist on promoting i1 here. 2105f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands (SrcVT != MVT::i1 || 21060329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng TLI.getLoadExtAction(ExtType, MVT::i1) == TargetLowering::Promote)) { 2107f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Promote to a byte-sized load if not loading an integral number of 2108f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // bytes. For example, promote EXTLOAD:i20 -> EXTLOAD:i24. 210983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NewWidth = SrcVT.getStoreSizeInBits(); 211083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = MVT::getIntegerVT(NewWidth); 2111475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch; 2112f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2113f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // The extra bits are guaranteed to be zero, since we stored them that 2114f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // way. A zext load from NVT thus automatically gives zext from SrcVT. 2115f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2116f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ISD::LoadExtType NewExtType = 2117f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtType == ISD::ZEXTLOAD ? ISD::ZEXTLOAD : ISD::EXTLOAD; 2118f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2119f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getExtLoad(NewExtType, Node->getValueType(0), 2120f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1, Tmp2, LD->getSrcValue(), SVOffset, 2121f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands NVT, isVolatile, Alignment); 2122f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2123f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = Result.getValue(1); // The chain. 2124f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2125f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (ExtType == ISD::SEXTLOAD) 2126f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Having the top bits zero doesn't help when sign extending. 2127f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 2128f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result, DAG.getValueType(SrcVT)); 2129f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands else if (ExtType == ISD::ZEXTLOAD || NVT == Result.getValueType()) 2130f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // All the top bits are guaranteed to be zero - inform the optimizers. 2131f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::AssertZext, Result.getValueType(), Result, 2132f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getValueType(SrcVT)); 2133f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2134f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); 2135f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Ch); 2136f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else if (SrcWidth & (SrcWidth - 1)) { 2137f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // If not loading a power-of-2 number of bits, expand as two loads. 213883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(SrcVT.isExtended() && !SrcVT.isVector() && 2139f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands "Unsupported extload!"); 2140f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned RoundWidth = 1 << Log2_32(SrcWidth); 2141f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(RoundWidth < SrcWidth); 2142f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned ExtraWidth = SrcWidth - RoundWidth; 2143f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(ExtraWidth < RoundWidth); 2144f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(!(RoundWidth % 8) && !(ExtraWidth % 8) && 2145f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands "Load size not an integral number of bytes!"); 214683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT RoundVT = MVT::getIntegerVT(RoundWidth); 214783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = MVT::getIntegerVT(ExtraWidth); 2148475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi, Ch; 2149f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned IncrementSize; 2150f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2151f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (TLI.isLittleEndian()) { 2152f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // EXTLOAD:i24 -> ZEXTLOAD:i16 | (shl EXTLOAD@+2:i8, 16) 2153f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the bottom RoundWidth bits. 2154f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Lo = DAG.getExtLoad(ISD::ZEXTLOAD, Node->getValueType(0), Tmp1, Tmp2, 2155f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset, RoundVT, isVolatile, 2156f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Alignment); 2157f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2158f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the remaining ExtraWidth bits. 2159f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands IncrementSize = RoundWidth / 8; 2160f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 2161f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getIntPtrConstant(IncrementSize)); 2162f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getExtLoad(ExtType, Node->getValueType(0), Tmp1, Tmp2, 2163f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset + IncrementSize, 2164f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtraVT, isVolatile, 2165f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands MinAlign(Alignment, IncrementSize)); 2166f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2167f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Build a factor node to remember that this load is independent of the 2168f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // other one. 2169f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 2170f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi.getValue(1)); 2171f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2172f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Move the top bits to the right place. 2173f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getNode(ISD::SHL, Hi.getValueType(), Hi, 2174f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getConstant(RoundWidth, TLI.getShiftAmountTy())); 2175f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2176f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Join the hi and lo parts. 2177f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::OR, Node->getValueType(0), Lo, Hi); 2178f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } else { 2179f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Big endian - avoid unaligned loads. 2180f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // EXTLOAD:i24 -> (shl EXTLOAD:i16, 8) | ZEXTLOAD@+2:i8 2181f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the top RoundWidth bits. 2182f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getExtLoad(ExtType, Node->getValueType(0), Tmp1, Tmp2, 2183f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset, RoundVT, isVolatile, 2184f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Alignment); 2185f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2186f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Load the remaining ExtraWidth bits. 2187f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands IncrementSize = RoundWidth / 8; 2188f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 2189f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getIntPtrConstant(IncrementSize)); 2190f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Lo = DAG.getExtLoad(ISD::ZEXTLOAD, Node->getValueType(0), Tmp1, Tmp2, 2191f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValue(), SVOffset + IncrementSize, 2192f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ExtraVT, isVolatile, 2193f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands MinAlign(Alignment, IncrementSize)); 2194f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2195f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Build a factor node to remember that this load is independent of the 2196f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // other one. 2197f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Ch = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 2198f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi.getValue(1)); 2199f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2200f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Move the top bits to the right place. 2201f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Hi = DAG.getNode(ISD::SHL, Hi.getValueType(), Hi, 2202f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy())); 2203f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2204f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Join the hi and lo parts. 2205f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::OR, Node->getValueType(0), Lo, Hi); 2206f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2207f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2208f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); 2209f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Ch); 2210f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else { 22110329466b6b4927f4e6f5d144891fef06a027fec5Evan Cheng switch (TLI.getLoadExtAction(ExtType, SrcVT)) { 2212f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands default: assert(0 && "This action is not supported yet!"); 2213f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Custom: 2214f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands isCustom = true; 2215f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // FALLTHROUGH 2216f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Legal: 2217f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, LD->getOffset()); 2218f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = Result.getValue(0); 2219f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = Result.getValue(1); 2220f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2221f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (isCustom) { 2222f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp3 = TLI.LowerOperation(Result, DAG); 2223ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 2224f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Tmp3); 2225f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Tmp3.getValue(1)); 2226f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2227f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } else { 2228f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // If this is an unaligned load and the target doesn't support it, 2229f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // expand it. 2230f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (!TLI.allowsUnalignedMemoryAccesses()) { 2231f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands unsigned ABIAlignment = TLI.getTargetData()-> 223283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(LD->getMemoryVT().getTypeForMVT()); 2233f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (LD->getAlignment() < ABIAlignment){ 2234ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG, 2235f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands TLI); 2236f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = Result.getOperand(0); 2237f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = Result.getOperand(1); 2238f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Tmp1); 2239f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Tmp2); 2240f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2241f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2242f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2243f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands break; 2244f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands case TargetLowering::Expand: 2245f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // f64 = EXTLOAD f32 should expand to LOAD, FP_EXTEND 2246f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (SrcVT == MVT::f32 && Node->getValueType(0) == MVT::f64) { 2247475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Load = DAG.getLoad(SrcVT, Tmp1, Tmp2, LD->getSrcValue(), 2248f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValueOffset(), 2249f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->isVolatile(), LD->getAlignment()); 2250f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getNode(ISD::FP_EXTEND, Node->getValueType(0), Load); 2251f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(Result); // Relegalize new nodes. 2252f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Load.getValue(1)); 2253f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands break; 2254f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands } 2255f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands assert(ExtType != ISD::EXTLOAD &&"EXTLOAD should always be supported!"); 2256f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // Turn the unsupported load into an EXTLOAD followed by an explicit 2257f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands // zero/sign extend inreg. 2258f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result = DAG.getExtLoad(ISD::EXTLOAD, Node->getValueType(0), 2259f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1, Tmp2, LD->getSrcValue(), 2260f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->getSrcValueOffset(), SrcVT, 2261f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands LD->isVolatile(), LD->getAlignment()); 2262475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ValRes; 2263f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands if (ExtType == ISD::SEXTLOAD) 2264f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ValRes = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 2265f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Result, DAG.getValueType(SrcVT)); 2266f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands else 2267f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands ValRes = DAG.getZeroExtendInReg(Result, SrcVT); 2268f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp1 = LegalizeOp(ValRes); // Relegalize new nodes. 2269f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands Tmp2 = LegalizeOp(Result.getValue(1)); // Relegalize new nodes. 2270466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng break; 2271466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 22729d416f713e8b9e4f0c0c2b3f6f57ce2dd8993209Andrew Lenharth } 2273f9c98e650d2795b8edfae8e1560c221029df218bDuncan Sands 2274466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Since loads produce two values, make sure to remember that we legalized 2275466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // both of them. 2276475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2277475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 227899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 227901ff7216dd7829d4094754086baf28aa2d7149acChris Lattner } 228001ff7216dd7829d4094754086baf28aa2d7149acChris Lattner } 22815dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case ISD::EXTRACT_ELEMENT: { 228283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OpTy = Node->getOperand(0).getValueType(); 22835dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman switch (getTypeAction(OpTy)) { 2284c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner default: assert(0 && "EXTRACT_ELEMENT action for type unimplemented!"); 22855dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case Legal: 2286f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) { 22875dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // 1 -> Hi 22885dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::SRL, OpTy, Node->getOperand(0), 228983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(OpTy.getSizeInBits()/2, 22905dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman TLI.getShiftAmountTy())); 22915dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), Result); 22925dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } else { 22935dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // 0 -> Lo 22945dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), 22955dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Node->getOperand(0)); 22965dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 22975dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman break; 22985dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman case Expand: 22995dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman // Get both the low and high parts. 23005dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 2301f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) 23025dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = Tmp2; // 1 -> Hi 23035dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman else 23045dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman Result = Tmp1; // 0 -> Lo 23055dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman break; 23065dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 23085dc897b0e4e5eb4513adc2f161412ce23f6bf2e0Nate Begeman } 23093e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 23103e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::CopyToReg: 23113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2312edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 2313c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner assert(isTypeLegal(Node->getOperand(2).getValueType()) && 2314d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner "Register type must be legal!"); 23157310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // Legalize the incoming value (must be a legal type). 2316d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner Tmp2 = LegalizeOp(Node->getOperand(2)); 2317f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner if (Node->getNumValues() == 1) { 2318c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1), Tmp2); 23197310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } else { 2320f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner assert(Node->getNumValues() == 2 && "Unknown CopyToReg"); 2321c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Node->getNumOperands() == 4) { 2322f1a47c3371ecd5bb449f39736a36ebbebd4e9e14Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(3)); 2323c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1), Tmp2, 2324c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3); 2325c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner } else { 2326c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1),Tmp2); 23277310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 23287310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner 23297310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // Since this produces two values, make sure to remember that we legalized 23307310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner // both of them. 2331475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 2332475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 2333c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner return Result; 23347310fb11f2a074069bf9ec3fc169c742ac48d32bChris Lattner } 23353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 23363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 23373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::RET: 23383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 23396831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 23406831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Ensure that libcalls are emitted before a return. 23416831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END); 23426831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Tmp1 = LegalizeOp(Tmp1); 23436831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LastCALLSEQ_END = DAG.getEntryNode(); 2344f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner 23453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getNumOperands()) { 23468e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng case 3: // ret val 234798f8aeb45fc1e54437cbb8f2a7445c609deab832Evan Cheng Tmp2 = Node->getOperand(1); 23488e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Tmp3 = Node->getOperand(2); // Signness 2349f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner switch (getTypeAction(Tmp2.getValueType())) { 23503e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 23518e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, LegalizeOp(Tmp2), Tmp3); 23523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2353f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner case Expand: 235483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!Tmp2.getValueType().isVector()) { 2355475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2356f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner ExpandOp(Tmp2, Lo, Hi); 2357edf2e8da256496c19390cfd46da80746373e9989Chris Lattner 2358edf2e8da256496c19390cfd46da80746373e9989Chris Lattner // Big endian systems want the hi reg first. 23590753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 2360edf2e8da256496c19390cfd46da80746373e9989Chris Lattner std::swap(Lo, Hi); 2361edf2e8da256496c19390cfd46da80746373e9989Chris Lattner 2362ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) 236313acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi,Tmp3); 236413acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng else 236513acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3); 2366f921a518912df706a8edf1f867f52e8afc6e2b55Chris Lattner Result = LegalizeOp(Result); 2367f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else { 2368ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = Tmp2.getNode(); 236999a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = Tmp2.getResNo(); 237083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVal->getValueType(InIx).getVectorNumElements(); 237183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVal->getValueType(InIx).getVectorElementType(); 2372f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner 23737f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 2374ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // type. If so, convert to the vector type. 237583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 23767f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 2377ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // Turn this into a return of the vector type. 23787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Tmp2); 23798e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2380f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else if (NumElems == 1) { 2381f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // Turn this into a return of the scalar type. 23827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = ScalarizeVectorOp(Tmp2); 23837f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Tmp2 = LegalizeOp(Tmp2); 23848e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2385b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner 2386b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // FIXME: Returns of gcc generic vectors smaller than a legal type 2387b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // should be returned in integer registers! 2388b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner 2389f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // The scalarized value type may not be legal, e.g. it might require 2390f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner // promotion or expansion. Relegalize the return. 2391f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner Result = LegalizeOp(Result); 2392f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } else { 2393b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // FIXME: Returns of gcc generic vectors larger than a legal vector 2394b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner // type should be returned by reference! 2395475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2396f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner SplitVectorOp(Tmp2, Lo, Hi); 2397fea997aac5773e936754de5436029c2a4fa1e930Chris Lattner Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Tmp3, Hi,Tmp3); 2398f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner Result = LegalizeOp(Result); 2399f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } 2400f87324e44de88da5b3d57d6aeda5bc9d30f86374Chris Lattner } 2401edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman break; 24023e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Promote: 24038b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 24048e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2405c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = LegalizeOp(Result); 24068b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 24073e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24083e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24093e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case 1: // ret void 2410c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 24113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24123e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner default: { // ret <values> 2413475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> NewValues; 24143e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner NewValues.push_back(Tmp1); 24158e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng for (unsigned i = 1, e = Node->getNumOperands(); i < e; i += 2) 24163e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (getTypeAction(Node->getOperand(i).getValueType())) { 24173e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 24184e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner NewValues.push_back(LegalizeOp(Node->getOperand(i))); 24198e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 24203e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24213e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Expand: { 2422475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 242383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(!Node->getOperand(i).getValueType().isExtended() && 2424b49e52c7e2d828c45583f862c0f7e1a4a2649acaChris Lattner "FIXME: TODO: implement returning non-legal vector types!"); 24253e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(i), Lo, Hi); 24263e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner NewValues.push_back(Lo); 24278e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 2428ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) { 242913acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng NewValues.push_back(Hi); 243013acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng NewValues.push_back(Node->getOperand(i+1)); 243113acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng } 2432edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman break; 24333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24343e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Promote: 24358b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner assert(0 && "Can't promote multiple return value yet!"); 24363e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 2437c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner 2438c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (NewValues.size() == Node->getNumOperands()) 2439f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &NewValues[0],NewValues.size()); 2440c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner else 2441f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.getNode(ISD::RET, MVT::Other, 2442f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner &NewValues[0], NewValues.size()); 24433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 24443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 24453e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 244617c428e23dbeac1f985d725905ce6be1c725491fEvan Cheng 24476862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner if (Result.getOpcode() == ISD::RET) { 24486862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner switch (TLI.getOperationAction(Result.getOpcode(), MVT::Other)) { 24496862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner default: assert(0 && "This action is not supported yet!"); 24506862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner case TargetLowering::Legal: break; 24516862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner case TargetLowering::Custom: 24526862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2453ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 24546862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner break; 24556862dbc446f2f633f6f4905d07a3bafd96741da2Chris Lattner } 245617c428e23dbeac1f985d725905ce6be1c725491fEvan Cheng } 24573e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2458f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng case ISD::STORE: { 24598b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng StoreSDNode *ST = cast<StoreSDNode>(Node); 24608b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp1 = LegalizeOp(ST->getChain()); // Legalize the chain. 24618b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp2 = LegalizeOp(ST->getBasePtr()); // Legalize the pointer. 2462d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman int SVOffset = ST->getSrcValueOffset(); 2463d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman unsigned Alignment = ST->getAlignment(); 2464d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman bool isVolatile = ST->isVolatile(); 24658b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 24668b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng if (!ST->isTruncatingStore()) { 2467d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // Turn 'store float 1.0, Ptr' -> 'store int 0x12345678, Ptr' 2468d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // FIXME: We shouldn't do this for TargetConstantFP's. 2469d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // FIXME: move this to the DAG Combiner! Note that we can't regress due 2470d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // to phase ordering between legalized code and the dag combiner. This 2471d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // probably means that we need to integrate dag combiner and legalizer 2472d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner // together. 24739e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen // We generally can't do this one for long doubles. 24742b4c279a8e203fa8b13adf7ba3a5d4c8bef70df3Chris Lattner if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(ST->getValue())) { 24753cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner if (CFP->getValueType(0) == MVT::f32 && 24763cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner getTypeAction(MVT::i32) == Legal) { 24776cf9b8adf43b0a460fb4ba8ddbff2787f5aa9d5eDan Gohman Tmp3 = DAG.getConstant(CFP->getValueAPF(). 24787111b02c734c992b8c97d9918118768026dad79eDale Johannesen bitcastToAPInt().zextOrTrunc(32), 24793f6eb7419de437436265831fce92f62498556e08Dale Johannesen MVT::i32); 24809e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 24819e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen SVOffset, isVolatile, Alignment); 24829e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen break; 24839e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen } else if (CFP->getValueType(0) == MVT::f64) { 24843cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // If this target supports 64-bit registers, do a single 64-bit store. 24853cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner if (getTypeAction(MVT::i64) == Legal) { 24867111b02c734c992b8c97d9918118768026dad79eDale Johannesen Tmp3 = DAG.getConstant(CFP->getValueAPF().bitcastToAPInt(). 24876cf9b8adf43b0a460fb4ba8ddbff2787f5aa9d5eDan Gohman zextOrTrunc(64), MVT::i64); 24883cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 24893cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner SVOffset, isVolatile, Alignment); 24903cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner break; 2491d4b9c17fb705c2f58ceef4f37d789ddb56783584Duncan Sands } else if (getTypeAction(MVT::i32) == Legal && !ST->isVolatile()) { 24923cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // Otherwise, if the target supports 32-bit registers, use 2 32-bit 24933cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // stores. If the target supports neither 32- nor 64-bits, this 24943cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner // xform is certainly not worth it. 24957111b02c734c992b8c97d9918118768026dad79eDale Johannesen const APInt &IntVal =CFP->getValueAPF().bitcastToAPInt(); 2496475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = DAG.getConstant(APInt(IntVal).trunc(32), MVT::i32); 2497475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = DAG.getConstant(IntVal.lshr(32).trunc(32), MVT::i32); 24980753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) std::swap(Lo, Hi); 24993cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner 25003cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(), 25013cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner SVOffset, isVolatile, Alignment); 25023cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 25030bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(4)); 25043cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Hi = DAG.getStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), SVOffset+4, 2505dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands isVolatile, MinAlign(Alignment, 4U)); 25063cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner 25073cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 25083cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner break; 25093cb9351e8a3691ee8cad6960601c6e3d4b293352Chris Lattner } 2510d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner } 2511d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner } 2512d93d46ee7e0a0e539d42139b85c71b2b8c3968feChris Lattner 2513b625f2f8960de32bc973092aaee8ac62863006feDan Gohman switch (getTypeAction(ST->getMemoryVT())) { 25148b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case Legal: { 25158b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp3 = LegalizeOp(ST->getValue()); 25162efce0a589e2a688a1a06b5dc2ed0db32ae79924Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 25178b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng ST->getOffset()); 25188b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 251983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Tmp3.getValueType(); 25208b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng switch (TLI.getOperationAction(ISD::STORE, VT)) { 25218b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng default: assert(0 && "This action is not supported yet!"); 2522f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio case TargetLowering::Legal: 2523f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // If this is an unaligned store and the target doesn't support it, 2524f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio // expand it. 2525f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (!TLI.allowsUnalignedMemoryAccesses()) { 2526f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio unsigned ABIAlignment = TLI.getTargetData()-> 252783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(ST->getMemoryVT().getTypeForMVT()); 2528f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio if (ST->getAlignment() < ABIAlignment) 2529ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG, 2530f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio TLI); 2531f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 2532f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio break; 25338b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case TargetLowering::Custom: 25348b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 2535ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 25368b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25378b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case TargetLowering::Promote: 253883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isVector() && "Unknown legal promote case!"); 25398b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp3 = DAG.getNode(ISD::BIT_CONVERT, 25408b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3); 25418b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, 2542d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman ST->getSrcValue(), SVOffset, isVolatile, 2543d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman Alignment); 25448b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25458b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 25462efce0a589e2a688a1a06b5dc2ed0db32ae79924Chris Lattner break; 2547f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 25488b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng case Promote: 25490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!ST->getMemoryVT().isVector()) { 25500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Truncate the value and store the result. 25510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp3 = PromoteOp(ST->getValue()); 25520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 25530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset, ST->getMemoryVT(), 25540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 25550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 25560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 25570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Fall thru to expand for vector 25580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case Expand: { 25598b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng unsigned IncrementSize = 0; 2560475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 2561c7029805ef35ce9805931067b841e6af11db382eChris Lattner 25628b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // If this is a vector type, then we have to calculate the increment as 25638b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // the product of the element size in bytes, and the number of elements 25648b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // in the high half of the vector. 256583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (ST->getValue().getValueType().isVector()) { 2566ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = ST->getValue().getNode(); 256799a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = ST->getValue().getResNo(); 256883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT InVT = InVal->getValueType(InIx); 256983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVT.getVectorNumElements(); 257083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVT.getVectorElementType(); 25718b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 25727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 2573ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // type. If so, convert to the vector type. 257483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 25757f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 2576ac9dcb94dde5f166ee29372385c0e3b695227ab4Reid Spencer // Turn this into a normal store of the vector type. 257721be3849aef47e6d8c26f31b11def57d59167863Dan Gohman Tmp3 = LegalizeOp(ST->getValue()); 25788b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2579d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 25808b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = LegalizeOp(Result); 25818b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25828b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else if (NumElems == 1) { 25838b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // Turn this into a normal store of the scalar type. 258421be3849aef47e6d8c26f31b11def57d59167863Dan Gohman Tmp3 = ScalarizeVectorOp(ST->getValue()); 25858b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2586d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 25878b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // The scalarized value type may not be legal, e.g. it might require 25888b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng // promotion or expansion. Relegalize the scalar store. 25898b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = LegalizeOp(Result); 25908b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 25918b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else { 25920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we have widen this node with another value 25930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = 25940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenNodes.find(ST->getValue()); 25950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) { 25960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = StoreWidenVectorOp(ST, Tmp1, Tmp2); 25970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 25980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 25990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 26000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SplitVectorOp(ST->getValue(), Lo, Hi); 26010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang IncrementSize = Lo.getNode()->getValueType(0).getVectorNumElements() * 26020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVT.getSizeInBits()/8; 26030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26048b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 2605c7029805ef35ce9805931067b841e6af11db382eChris Lattner } else { 260621be3849aef47e6d8c26f31b11def57d59167863Dan Gohman ExpandOp(ST->getValue(), Lo, Hi); 2607ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif IncrementSize = Hi.getNode() ? Hi.getValueType().getSizeInBits()/8 : 0; 26088b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 26094b052dc63d31e764b85d62c056bffe576d501ed4Richard Pennington if (Hi.getNode() && TLI.isBigEndian()) 26108b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng std::swap(Lo, Hi); 2611c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 2612c7029805ef35ce9805931067b841e6af11db382eChris Lattner 26138b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(), 2614d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26157b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 2616ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode() == NULL) { 26177b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // Must be int <-> float one-to-one expansion. 26187b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng Result = Lo; 26197b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng break; 26207b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng } 26217b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 26228b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 26230bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 26248b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng assert(isTypeLegal(Tmp2.getValueType()) && 26258b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng "Pointers must be legal!"); 2626d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset += IncrementSize; 2627dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 26288b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Hi = DAG.getStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), 2629d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 26308b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 26318b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng break; 26320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } // case Expand 26338b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 26348b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } else { 2635ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner switch (getTypeAction(ST->getValue().getValueType())) { 2636ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Legal: 2637ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner Tmp3 = LegalizeOp(ST->getValue()); 2638ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner break; 2639ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Promote: 26400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (!ST->getValue().getValueType().isVector()) { 26410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We can promote the value, the truncstore will still take care of it. 26420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp3 = PromoteOp(ST->getValue()); 26430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 26440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 26450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Vector case falls through to expand 2646ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner case Expand: 2647ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner // Just store the low part. This may become a non-trunc store, so make 2648ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner // sure to use getTruncStore, not UpdateNodeOperands below. 2649ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner ExpandOp(ST->getValue(), Tmp3, Tmp4); 2650ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner return DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 2651ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner SVOffset, MVT::i8, isVolatile, Alignment); 2652ddf89566a93081cb230bb9406a72ab2d3eada4a7Chris Lattner } 26537e857201f387d004571e6058e2ea709163500f38Duncan Sands 265483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT StVT = ST->getMemoryVT(); 265583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned StWidth = StVT.getSizeInBits(); 26567e857201f387d004571e6058e2ea709163500f38Duncan Sands 265783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (StWidth != StVT.getStoreSizeInBits()) { 26587e857201f387d004571e6058e2ea709163500f38Duncan Sands // Promote to a byte-sized store with upper bits zero if not 26597e857201f387d004571e6058e2ea709163500f38Duncan Sands // storing an integral number of bytes. For example, promote 26607e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i1 X -> TRUNCSTORE:i8 (and X, 1) 266183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = MVT::getIntegerVT(StVT.getStoreSizeInBits()); 26627e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp3 = DAG.getZeroExtendInReg(Tmp3, StVT); 26638b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Result = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 26647e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset, NVT, isVolatile, Alignment); 26657e857201f387d004571e6058e2ea709163500f38Duncan Sands } else if (StWidth & (StWidth - 1)) { 26667e857201f387d004571e6058e2ea709163500f38Duncan Sands // If not storing a power-of-2 number of bits, expand as two stores. 266783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(StVT.isExtended() && !StVT.isVector() && 26687e857201f387d004571e6058e2ea709163500f38Duncan Sands "Unsupported truncstore!"); 26697e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned RoundWidth = 1 << Log2_32(StWidth); 26707e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(RoundWidth < StWidth); 26717e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned ExtraWidth = StWidth - RoundWidth; 26727e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(ExtraWidth < RoundWidth); 26737e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(!(RoundWidth % 8) && !(ExtraWidth % 8) && 26747e857201f387d004571e6058e2ea709163500f38Duncan Sands "Store size not an integral number of bytes!"); 267583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT RoundVT = MVT::getIntegerVT(RoundWidth); 267683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = MVT::getIntegerVT(ExtraWidth); 2677475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 26787e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned IncrementSize; 26797e857201f387d004571e6058e2ea709163500f38Duncan Sands 26807e857201f387d004571e6058e2ea709163500f38Duncan Sands if (TLI.isLittleEndian()) { 26817e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i24 X -> TRUNCSTORE:i16 X, TRUNCSTORE@+2:i8 (srl X, 16) 26827e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the bottom RoundWidth bits. 26837e857201f387d004571e6058e2ea709163500f38Duncan Sands Lo = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 26847e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset, RoundVT, 26857e857201f387d004571e6058e2ea709163500f38Duncan Sands isVolatile, Alignment); 26867e857201f387d004571e6058e2ea709163500f38Duncan Sands 26877e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the remaining ExtraWidth bits. 26887e857201f387d004571e6058e2ea709163500f38Duncan Sands IncrementSize = RoundWidth / 8; 26897e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 26907e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getIntPtrConstant(IncrementSize)); 26917e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getNode(ISD::SRL, Tmp3.getValueType(), Tmp3, 26927e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getConstant(RoundWidth, TLI.getShiftAmountTy())); 26937e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getTruncStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), 26947e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset + IncrementSize, ExtraVT, isVolatile, 26957e857201f387d004571e6058e2ea709163500f38Duncan Sands MinAlign(Alignment, IncrementSize)); 26967e857201f387d004571e6058e2ea709163500f38Duncan Sands } else { 26977e857201f387d004571e6058e2ea709163500f38Duncan Sands // Big endian - avoid unaligned stores. 26987e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i24 X -> TRUNCSTORE:i16 (srl X, 8), TRUNCSTORE@+2:i8 X 26997e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the top RoundWidth bits. 27007e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getNode(ISD::SRL, Tmp3.getValueType(), Tmp3, 27017e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getConstant(ExtraWidth, TLI.getShiftAmountTy())); 27027e857201f387d004571e6058e2ea709163500f38Duncan Sands Hi = DAG.getTruncStore(Tmp1, Hi, Tmp2, ST->getSrcValue(), SVOffset, 27037e857201f387d004571e6058e2ea709163500f38Duncan Sands RoundVT, isVolatile, Alignment); 27047e857201f387d004571e6058e2ea709163500f38Duncan Sands 27057e857201f387d004571e6058e2ea709163500f38Duncan Sands // Store the remaining ExtraWidth bits. 27067e857201f387d004571e6058e2ea709163500f38Duncan Sands IncrementSize = RoundWidth / 8; 27077e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, 27087e857201f387d004571e6058e2ea709163500f38Duncan Sands DAG.getIntPtrConstant(IncrementSize)); 27097e857201f387d004571e6058e2ea709163500f38Duncan Sands Lo = DAG.getTruncStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), 27107e857201f387d004571e6058e2ea709163500f38Duncan Sands SVOffset + IncrementSize, ExtraVT, isVolatile, 27117e857201f387d004571e6058e2ea709163500f38Duncan Sands MinAlign(Alignment, IncrementSize)); 27127e857201f387d004571e6058e2ea709163500f38Duncan Sands } 2713c7029805ef35ce9805931067b841e6af11db382eChris Lattner 27147e857201f387d004571e6058e2ea709163500f38Duncan Sands // The order of the stores doesn't matter. 27157e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); 27167e857201f387d004571e6058e2ea709163500f38Duncan Sands } else { 27177e857201f387d004571e6058e2ea709163500f38Duncan Sands if (Tmp1 != ST->getChain() || Tmp3 != ST->getValue() || 27187e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp2 != ST->getBasePtr()) 27197e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 27207e857201f387d004571e6058e2ea709163500f38Duncan Sands ST->getOffset()); 27217e857201f387d004571e6058e2ea709163500f38Duncan Sands 27227e857201f387d004571e6058e2ea709163500f38Duncan Sands switch (TLI.getTruncStoreAction(ST->getValue().getValueType(), StVT)) { 27237e857201f387d004571e6058e2ea709163500f38Duncan Sands default: assert(0 && "This action is not supported yet!"); 27247e857201f387d004571e6058e2ea709163500f38Duncan Sands case TargetLowering::Legal: 27257e857201f387d004571e6058e2ea709163500f38Duncan Sands // If this is an unaligned store and the target doesn't support it, 27267e857201f387d004571e6058e2ea709163500f38Duncan Sands // expand it. 27277e857201f387d004571e6058e2ea709163500f38Duncan Sands if (!TLI.allowsUnalignedMemoryAccesses()) { 27287e857201f387d004571e6058e2ea709163500f38Duncan Sands unsigned ABIAlignment = TLI.getTargetData()-> 272983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands getABITypeAlignment(ST->getMemoryVT().getTypeForMVT()); 27307e857201f387d004571e6058e2ea709163500f38Duncan Sands if (ST->getAlignment() < ABIAlignment) 2731ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG, 27327e857201f387d004571e6058e2ea709163500f38Duncan Sands TLI); 27337e857201f387d004571e6058e2ea709163500f38Duncan Sands } 27347e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 27357e857201f387d004571e6058e2ea709163500f38Duncan Sands case TargetLowering::Custom: 27367e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = TLI.LowerOperation(Result, DAG); 27377e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 27387e857201f387d004571e6058e2ea709163500f38Duncan Sands case Expand: 27397e857201f387d004571e6058e2ea709163500f38Duncan Sands // TRUNCSTORE:i16 i32 -> STORE i16 27407e857201f387d004571e6058e2ea709163500f38Duncan Sands assert(isTypeLegal(StVT) && "Do not know how to expand this store!"); 27417e857201f387d004571e6058e2ea709163500f38Duncan Sands Tmp3 = DAG.getNode(ISD::TRUNCATE, StVT, Tmp3); 27427e857201f387d004571e6058e2ea709163500f38Duncan Sands Result = DAG.getStore(Tmp1, Tmp3, Tmp2, ST->getSrcValue(), SVOffset, 27437e857201f387d004571e6058e2ea709163500f38Duncan Sands isVolatile, Alignment); 27447e857201f387d004571e6058e2ea709163500f38Duncan Sands break; 2745f3c13c82e34b8e90f1080cfe06c6f1328a2d44e1Lauro Ramos Venancio } 27468b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 27473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 27483e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2749f3fd9fe20dbcb40f3dffc1518ab955a0b5d6fa23Evan Cheng } 275095762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth case ISD::PCMARKER: 275195762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2752c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 275395762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth break; 2754140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case ISD::STACKSAVE: 2755140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2756c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 2757c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = Result.getValue(0); 2758c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Result.getValue(1); 2759456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2760140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner switch (TLI.getOperationAction(ISD::STACKSAVE, MVT::Other)) { 2761140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner default: assert(0 && "This action is not supported yet!"); 2762456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2763456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2764c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp3 = TLI.LowerOperation(Result, DAG); 2765ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) { 2766c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp3); 2767c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp3.getValue(1)); 2768140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2769456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2770140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case TargetLowering::Expand: 27714f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // Expand to CopyFromReg if the target set 27724f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // StackPointerRegisterToSaveRestore. 27734f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner if (unsigned SP = TLI.getStackPointerRegisterToSaveRestore()) { 2774c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = DAG.getCopyFromReg(Result.getOperand(0), SP, 27754f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Node->getValueType(0)); 2776c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Tmp1.getValue(1); 27774f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } else { 2778c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = DAG.getNode(ISD::UNDEF, Node->getValueType(0)); 2779c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = Node->getOperand(0); 27804f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } 2781456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2782140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2783456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2784456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Since stacksave produce two values, make sure to remember that we 2785456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // legalized both of them. 2786475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2787475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 278899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp2 : Tmp1; 2789456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2790140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case ISD::STACKRESTORE: 2791140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 2792140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 2793c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 2794140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner 2795140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner switch (TLI.getOperationAction(ISD::STACKRESTORE, MVT::Other)) { 2796140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner default: assert(0 && "This action is not supported yet!"); 2797456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2798456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2799456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2800ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2801140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2802140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner case TargetLowering::Expand: 28034f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // Expand to CopyToReg if the target set 28044f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner // StackPointerRegisterToSaveRestore. 28054f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner if (unsigned SP = TLI.getStackPointerRegisterToSaveRestore()) { 28064f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Result = DAG.getCopyToReg(Tmp1, SP, Tmp2); 28074f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } else { 28084f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner Result = Tmp1; 28094f0d8e4018d50c5796660a4fa167763f46259646Chris Lattner } 2810140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2811140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner } 2812140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner break; 2813140d53c99c3a70b9d3858a3c87f8ecb098994748Chris Lattner 281451b8d54922350b7e1c2cd5a5183ef2c5f5d1b1d5Andrew Lenharth case ISD::READCYCLECOUNTER: 281551b8d54922350b7e1c2cd5a5183ef2c5f5d1b1d5Andrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain 2816c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 2817f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng switch (TLI.getOperationAction(ISD::READCYCLECOUNTER, 2818f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng Node->getValueType(0))) { 2819f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng default: assert(0 && "This action is not supported yet!"); 28206a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng case TargetLowering::Legal: 28216a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp1 = Result.getValue(0); 28226a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp2 = Result.getValue(1); 28236a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng break; 2824f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng case TargetLowering::Custom: 2825f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng Result = TLI.LowerOperation(Result, DAG); 28266a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp1 = LegalizeOp(Result.getValue(0)); 28276a16c5ab2d7786583d3c9a79646dc85fbda6cd41Evan Cheng Tmp2 = LegalizeOp(Result.getValue(1)); 2828f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng break; 2829f0b3ba6752a49a8868d423ddc2704a52b7101571Evan Cheng } 283049c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth 283149c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth // Since rdcc produce two values, make sure to remember that we legalized 283249c709f891a3e49db58b56ca94eafa98cbb12c4dAndrew Lenharth // both of them. 2833475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Tmp1); 2834475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp2); 2835c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner return Result; 2836f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 28372ee743ff9be43c350075a2fa15d11a79bff36775Chris Lattner case ISD::SELECT: 283847e9223e06390897c3834f8c527001df392570ffChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 283947e9223e06390897c3834f8c527001df392570ffChris Lattner case Expand: assert(0 && "It's impossible to expand bools"); 284047e9223e06390897c3834f8c527001df392570ffChris Lattner case Legal: 284147e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the condition. 284247e9223e06390897c3834f8c527001df392570ffChris Lattner break; 28432e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman case Promote: { 28440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(!Node->getOperand(0).getValueType().isVector() && "not possible"); 284547e9223e06390897c3834f8c527001df392570ffChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); // Promote the condition. 2846b6c806045bbd4a650f90f613a96cee01a1584412Chris Lattner // Make sure the condition is either zero or one. 28472e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned BitWidth = Tmp1.getValueSizeInBits(); 2848ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman if (!DAG.MaskedValueIsZero(Tmp1, 28492e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman APInt::getHighBitsSet(BitWidth, BitWidth-1))) 2850b6c806045bbd4a650f90f613a96cee01a1584412Chris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, MVT::i1); 285147e9223e06390897c3834f8c527001df392570ffChris Lattner break; 285247e9223e06390897c3834f8c527001df392570ffChris Lattner } 28532e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman } 28543e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // TrueVal 28552ee743ff9be43c350075a2fa15d11a79bff36775Chris Lattner Tmp3 = LegalizeOp(Node->getOperand(2)); // FalseVal 285655ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner 2857c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2858456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 2859b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman switch (TLI.getOperationAction(ISD::SELECT, Tmp2.getValueType())) { 286055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner default: assert(0 && "This action is not supported yet!"); 2861456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 2862456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: { 2863456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 2864ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 2865456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 2866456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 28679373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case TargetLowering::Expand: 28689373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman if (Tmp1.getOpcode() == ISD::SETCC) { 28699373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getSelectCC(Tmp1.getOperand(0), Tmp1.getOperand(1), 28709373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2, Tmp3, 28719373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman cast<CondCodeSDNode>(Tmp1.getOperand(2))->get()); 28729373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } else { 28739373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getSelectCC(Tmp1, 28749373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman DAG.getConstant(0, Tmp1.getValueType()), 28759373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2, Tmp3, ISD::SETNE); 28769373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 287755ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 287855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Promote: { 287983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = 288055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner TLI.getTypeToPromoteTo(ISD::SELECT, Tmp2.getValueType()); 288155ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner unsigned ExtOp, TruncOp; 288283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Tmp2.getValueType().isVector()) { 288341f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng ExtOp = ISD::BIT_CONVERT; 288441f6cbbeb21d7d4376b8c0302b9766c3e43be5f2Evan Cheng TruncOp = ISD::BIT_CONVERT; 288583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (Tmp2.getValueType().isInteger()) { 2886456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner ExtOp = ISD::ANY_EXTEND; 2887456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner TruncOp = ISD::TRUNCATE; 288855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } else { 2889456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner ExtOp = ISD::FP_EXTEND; 2890456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner TruncOp = ISD::FP_ROUND; 289155ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 289255ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner // Promote each of the values to the new type. 289355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Tmp2 = DAG.getNode(ExtOp, NVT, Tmp2); 289455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Tmp3 = DAG.getNode(ExtOp, NVT, Tmp3); 289555ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner // Perform the larger operation, then round down. 289655ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner Result = DAG.getNode(ISD::SELECT, NVT, Tmp1, Tmp2,Tmp3); 28970bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TruncOp != ISD::FP_ROUND) 28980bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(TruncOp, Node->getValueType(0), Result); 28990bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner else 29000bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(TruncOp, Node->getValueType(0), Result, 29010bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(0)); 290255ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 290355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 290455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner } 29053e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 2906750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SELECT_CC: { 2907750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = Node->getOperand(0); // LHS 2908750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(1); // RHS 29099373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); // True 29109373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp4 = LegalizeOp(Node->getOperand(3)); // False 2911475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CC = Node->getOperand(4); 29129373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 291353e4e4478c69c2c2115db833b54385117c764d14Dale Johannesen LegalizeSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, CC); 2914750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 29157f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // If we didn't get both a LHS and RHS back from LegalizeSetCC, 2916750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the LHS is a legal SETCC itself. In this case, we need to compare 2917750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the result against zero to select between true and false values. 2918ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode() == 0) { 2919750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getConstant(0, Tmp1.getValueType()); 2920750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman CC = DAG.getCondCode(ISD::SETNE); 2921750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 2922750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, Tmp4, CC); 2923750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2924750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Everything is legal, see if we should expand this op or something. 2925750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (TLI.getOperationAction(ISD::SELECT_CC, Tmp3.getValueType())) { 2926750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "This action is not supported yet!"); 2927750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case TargetLowering::Legal: break; 2928750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case TargetLowering::Custom: 2929750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = TLI.LowerOperation(Result, DAG); 2930ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 29319373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 29329373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 29339373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 2934750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 29353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SETCC: 2936750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = Node->getOperand(0); 2937750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = Node->getOperand(1); 2938750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp3 = Node->getOperand(2); 29397f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LegalizeSetCC(Node->getValueType(0), Tmp1, Tmp2, Tmp3); 2940750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 2941750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If we had to Expand the SetCC operands into a SELECT node, then it may 2942750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // not always be possible to return a true LHS & RHS. In this case, just 2943750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // return the value we legalized, returned in the LHS 2944ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode() == 0) { 2945750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Result = Tmp1; 29463e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 29473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 2948b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman 294973e142f2b6a3b5223de2d557d646f319ca8168cfChris Lattner switch (TLI.getOperationAction(ISD::SETCC, Tmp1.getValueType())) { 2950456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner default: assert(0 && "Cannot handle this action for SETCC yet!"); 2951456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 2952456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 2953456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH. 2954456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 29552b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2956456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 29572b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp4 = TLI.LowerOperation(Result, DAG); 2958ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp4.getNode()) Result = Tmp4; 2959456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 2960b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman break; 2961ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth case TargetLowering::Promote: { 2962ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // First step, figure out the appropriate operation to use. 2963ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Allow SETCC to not be supported for all legal data types 2964ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Mostly this targets FP 296583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewInTy = Node->getOperand(0).getValueType(); 296683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OldVT = NewInTy; OldVT = OldVT; 2967ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 2968ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // Scan for the appropriate larger type to use. 2969ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth while (1) { 297083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); 2971ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 297283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isInteger() == OldVT.isInteger() && 2973ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth "Fell off of the edge of the integer world"); 297483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isFloatingPoint() == OldVT.isFloatingPoint() && 2975ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth "Fell off of the edge of the floating point world"); 2976ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth 2977ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth // If the target supports SETCC of this type, use it. 29781ccf26a6392034a11827aeaa0d58d025ecb2b85aChris Lattner if (TLI.isOperationLegal(ISD::SETCC, NewInTy)) 2979ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth break; 2980ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 298183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NewInTy.isInteger()) 2982ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth assert(0 && "Cannot promote Legal Integer SETCC yet"); 2983ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth else { 2984ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth Tmp1 = DAG.getNode(ISD::FP_EXTEND, NewInTy, Tmp1); 2985ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth Tmp2 = DAG.getNode(ISD::FP_EXTEND, NewInTy, Tmp2); 2986ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 2987c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = LegalizeOp(Tmp1); 2988c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp2 = LegalizeOp(Tmp2); 29892b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 2990433f8acefb78f1c8a2cf79c12b101ce7c4b20202Evan Cheng Result = LegalizeOp(Result); 29915e3efbc2ca459621400211f7370d7f121d4827d9Andrew Lenharth break; 2992ae35575957a3ab446e2766aa05d03020ced27d14Andrew Lenharth } 2993b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman case TargetLowering::Expand: 2994b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman // Expand a setcc node into a select_cc of the same condition, lhs, and 2995b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman // rhs that selects between const 1 (true) and const 0 (false). 299683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 2997b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman Result = DAG.getNode(ISD::SELECT_CC, VT, Tmp1, Tmp2, 2998b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman DAG.getConstant(1, VT), DAG.getConstant(0, VT), 29992b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp3); 3000b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman break; 3001b942a3dd5f9318b2c57f137d2991440c2f0262adNate Begeman } 30023e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 3003b43e9c196542acc80c9e4643809661065710848fNate Begeman case ISD::VSETCC: { 3004b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3005b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3006475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CC = Node->getOperand(2); 3007b43e9c196542acc80c9e4643809661065710848fNate Begeman 3008b43e9c196542acc80c9e4643809661065710848fNate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, CC); 3009b43e9c196542acc80c9e4643809661065710848fNate Begeman 3010b43e9c196542acc80c9e4643809661065710848fNate Begeman // Everything is legal, see if we should expand this op or something. 3011b43e9c196542acc80c9e4643809661065710848fNate Begeman switch (TLI.getOperationAction(ISD::VSETCC, Tmp1.getValueType())) { 3012b43e9c196542acc80c9e4643809661065710848fNate Begeman default: assert(0 && "This action is not supported yet!"); 3013b43e9c196542acc80c9e4643809661065710848fNate Begeman case TargetLowering::Legal: break; 3014b43e9c196542acc80c9e4643809661065710848fNate Begeman case TargetLowering::Custom: 3015b43e9c196542acc80c9e4643809661065710848fNate Begeman Tmp1 = TLI.LowerOperation(Result, DAG); 3016ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3017b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 3018b43e9c196542acc80c9e4643809661065710848fNate Begeman } 3019b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 3020b43e9c196542acc80c9e4643809661065710848fNate Begeman } 302152d08bd9d8a8dcc06148525c7fad6f2ebcad0a42Chris Lattner 30225b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SHL_PARTS: 30235b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SRA_PARTS: 30245b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner case ISD::SRL_PARTS: { 3025475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 302684f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner bool Changed = false; 302784f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 302884f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner Ops.push_back(LegalizeOp(Node->getOperand(i))); 302984f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner Changed |= Ops.back() != Node->getOperand(i); 303084f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner } 3031c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner if (Changed) 3032f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner Result = DAG.UpdateNodeOperands(Result, &Ops[0], Ops.size()); 30332c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 303405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng switch (TLI.getOperationAction(Node->getOpcode(), 303505a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Node->getValueType(0))) { 303605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng default: assert(0 && "This action is not supported yet!"); 3037456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3038456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3039456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3040ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 3041475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2, RetVal(0, 0); 304205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) { 3043456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = LegalizeOp(Tmp1.getValue(i)); 3044475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Tmp2); 304599a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif if (i == Op.getResNo()) 304612f2274ba8c6af21e8b6c71ef872afe43a64b6d7Evan Cheng RetVal = Tmp2; 304705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 3048ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(RetVal.getNode() && "Illegal result number"); 304905a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng return RetVal; 305005a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 305105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng break; 305205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 305305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 30542c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Since these produce multiple values, make sure to remember that we 30552c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // legalized all of them. 30562c8086f4b9916b2d02842be5e375276023225fbaChris Lattner for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) 3057475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, i), Result.getValue(i)); 305899a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Result.getValue(Op.getResNo()); 305984f6788044f9b1b47945e98ce23a6cf4d7d32579Chris Lattner } 30602c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 30612c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Binary operators 30623e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ADD: 30633e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SUB: 30643e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::MUL: 3065c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MULHS: 3066c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MULHU: 30673e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::UDIV: 30683e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SDIV: 30693e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::AND: 30703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::OR: 30713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::XOR: 307203c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SHL: 307303c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SRL: 307403c0cf822e9a57109d1b4e6a2705d68852c93e1dChris Lattner case ISD::SRA: 307501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FADD: 307601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FSUB: 307701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FMUL: 307801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FDIV: 3079826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 30803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3081f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth switch (getTypeAction(Node->getOperand(1).getValueType())) { 3082f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Expand: assert(0 && "Not possible"); 3083f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Legal: 3084f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the RHS. 3085f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth break; 3086f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth case Promote: 3087f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the RHS. 3088f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth break; 3089f2eb1396b8fe7b5b1c4bd5f27903209cfa4d20aeAndrew Lenharth } 30905bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman 30915bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman if ((Node->getOpcode() == ISD::SHL || 30925bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Node->getOpcode() == ISD::SRL || 30935bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Node->getOpcode() == ISD::SRA) && 30945bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman !Node->getValueType(0).isVector()) { 30955bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman if (TLI.getShiftAmountTy().bitsLT(Tmp2.getValueType())) 30965bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Tmp2 = DAG.getNode(ISD::TRUNCATE, TLI.getShiftAmountTy(), Tmp2); 30975bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman else if (TLI.getShiftAmountTy().bitsGT(Tmp2.getValueType())) 30985bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Tmp2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Tmp2); 30995bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman } 31005bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman 3101c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3102aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang 3103e8f65f1e62ea1d4f2ca9fd0137ae2e0ce20e26e1Andrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3104bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner default: assert(0 && "BinOp legalize operation not supported"); 3105456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3106456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3107456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3108ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 31095bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman Result = Tmp1; 31105bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman break; 311124dc346a16397bf740d8d961cd1ebec8d2f46957Nate Begeman } 31125bc1ea0736a5785ed596d58beeff2ab23909e33dNate Begeman // Fall through if the custom lower can't deal with the operation 3113bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner case TargetLowering::Expand: { 311483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 31150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 3116525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // See if multiply or divide can be lowered using two-result operations. 3117525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman SDVTList VTs = DAG.getVTList(VT, VT); 3118525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MUL) { 3119525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We just need the low half of the multiply; try both the signed 3120525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // and unsigned forms. If the target supports both SMUL_LOHI and 3121525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // UMUL_LOHI, form a preference by checking which forms of plain 3122525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // MULH it supports. 3123525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasSMUL_LOHI = TLI.isOperationLegal(ISD::SMUL_LOHI, VT); 3124525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasUMUL_LOHI = TLI.isOperationLegal(ISD::UMUL_LOHI, VT); 3125525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, VT); 3126525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, VT); 3127525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned OpToUse = 0; 3128525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasSMUL_LOHI && !HasMULHS) { 3129525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::SMUL_LOHI; 3130525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasUMUL_LOHI && !HasMULHU) { 3131525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::UMUL_LOHI; 3132525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasSMUL_LOHI) { 3133525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::SMUL_LOHI; 3134525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } else if (HasUMUL_LOHI) { 3135525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman OpToUse = ISD::UMUL_LOHI; 3136525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3137525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (OpToUse) { 3138ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(OpToUse, VTs, Tmp1, Tmp2).getNode(), 0); 3139525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3140525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3141525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3142525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MULHS && 3143525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SMUL_LOHI, VT)) { 314431d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 314531d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 1); 3146525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3147525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3148525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::MULHU && 3149525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UMUL_LOHI, VT)) { 315031d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1, Tmp2).getNode(), 315131d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 1); 3152525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3153525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3154525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::SDIV && 3155525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SDIVREM, VT)) { 315631d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 315731d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 0); 3158525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3159525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3160525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::UDIV && 3161525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UDIVREM, VT)) { 316231d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 316331d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner 0); 3164525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3165525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 31660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 3167826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Check to see if we have a libcall for this operator. 3168826695281344e3a4c4d44d73dd155107aafd689bDan Gohman RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 3169826695281344e3a4c4d44d73dd155107aafd689bDan Gohman bool isSigned = false; 3170826695281344e3a4c4d44d73dd155107aafd689bDan Gohman switch (Node->getOpcode()) { 3171826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::UDIV: 3172826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::SDIV: 3173826695281344e3a4c4d44d73dd155107aafd689bDan Gohman if (VT == MVT::i32) { 3174826695281344e3a4c4d44d73dd155107aafd689bDan Gohman LC = Node->getOpcode() == ISD::UDIV 31750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ? RTLIB::UDIV_I32 : RTLIB::SDIV_I32; 3176826695281344e3a4c4d44d73dd155107aafd689bDan Gohman isSigned = Node->getOpcode() == ISD::SDIV; 3177826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3178826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 317931d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner case ISD::MUL: 318031d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner if (VT == MVT::i32) 318131d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner LC = RTLIB::MUL_I32; 318231d7161206d7502e97a01a51a76445a8d9ac6ea5Chris Lattner break; 3183826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 3184007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80, 3185007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::POW_PPCF128); 3186826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3187826695281344e3a4c4d44d73dd155107aafd689bDan Gohman default: break; 3188826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3189826695281344e3a4c4d44d73dd155107aafd689bDan Gohman if (LC != RTLIB::UNKNOWN_LIBCALL) { 3190475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3191460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, isSigned, Dummy); 319252cc1ea2a1a374b58801398460a6289723089d91Evan Cheng break; 319352cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } 31940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 319583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Node->getValueType(0).isVector() && 3196bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner "Cannot expand this binary operator!"); 3197bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner // Expand the operation into a bunch of nasty scalar code. 3198826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3199bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner break; 3200bc70cf8be95f33f9aa30c8c3d0fd79e3fa636360Chris Lattner } 3201cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case TargetLowering::Promote: { 3202cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng switch (Node->getOpcode()) { 3203cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng default: assert(0 && "Do not know how to promote this BinOp!"); 3204cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::AND: 3205cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::OR: 3206cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng case ISD::XOR: { 320783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getValueType(0); 320883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 320983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(OVT.isVector() && "Cannot promote this BinOp!"); 3210cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng // Bit convert each of the values to the new type. 3211cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); 3212cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); 3213cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 3214cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng // Bit convert the result back the original type. 3215cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); 3216cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng break; 3217cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3218cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3219cc9876124e7096d050e6750dd075758320f2cdceEvan Cheng } 3220e8f65f1e62ea1d4f2ca9fd0137ae2e0ce20e26e1Andrew Lenharth } 32213e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 3222a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3223e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::SMUL_LOHI: 3224e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::UMUL_LOHI: 3225e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::SDIVREM: 3226e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman case ISD::UDIVREM: 3227e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman // These nodes will only be produced by target-specific lowering, so 3228e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman // they shouldn't be here if they aren't legal. 3229a7c97a7f5b82778ca5abfc3791c6b7f96b82a5faDuncan Sands assert(TLI.isOperationLegal(Node->getOpcode(), Node->getValueType(0)) && 3230e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman "This must be legal!"); 3231525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 3232525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3233525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3234525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3235e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman break; 3236e14ea867449cffa9a5835bc62c9c557ab0bc6618Dan Gohman 3237a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case ISD::FCOPYSIGN: // FCOPYSIGN does not require LHS/RHS to match type! 3238a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3239a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner switch (getTypeAction(Node->getOperand(1).getValueType())) { 3240a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Expand: assert(0 && "Not possible"); 3241a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Legal: 3242a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the RHS. 3243a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3244a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case Promote: 3245a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Promote the RHS. 3246a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3247a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner } 3248a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3249a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3250a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3251a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3252a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner default: assert(0 && "Operation not supported"); 3253a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case TargetLowering::Custom: 3254a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3255ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 32568f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner break; 3257a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case TargetLowering::Legal: break; 3258912095becac923ff614d7b07728eb345ada67765Evan Cheng case TargetLowering::Expand: { 3259636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng // If this target supports fabs/fneg natively and select is cheap, 3260636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng // do this efficiently. 3261636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng if (!TLI.isSelectExpensive() && 3262636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TLI.getOperationAction(ISD::FABS, Tmp1.getValueType()) == 3263636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TargetLowering::Legal && 3264912095becac923ff614d7b07728eb345ada67765Evan Cheng TLI.getOperationAction(ISD::FNEG, Tmp1.getValueType()) == 3265636c753b6ba2418ed707ef0efb31444ec70a46f2Evan Cheng TargetLowering::Legal) { 32668f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Get the sign bit of the RHS. 326783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT IVT = 32688f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Tmp2.getValueType() == MVT::f32 ? MVT::i32 : MVT::i64; 3269475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit = DAG.getNode(ISD::BIT_CONVERT, IVT, Tmp2); 32705b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel SignBit = DAG.getSetCC(TLI.getSetCCResultType(SignBit), 32718f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner SignBit, DAG.getConstant(0, IVT), ISD::SETLT); 32728f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Get the absolute value of the result. 3273475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue AbsVal = DAG.getNode(ISD::FABS, Tmp1.getValueType(), Tmp1); 32748f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Select between the nabs and abs value based on the sign bit of 32758f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // the input. 32768f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Result = DAG.getNode(ISD::SELECT, AbsVal.getValueType(), SignBit, 32778f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner DAG.getNode(ISD::FNEG, AbsVal.getValueType(), 32788f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner AbsVal), 32798f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner AbsVal); 32808f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner Result = LegalizeOp(Result); 32818f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner break; 32828f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner } 32838f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner 32848f4191d61978529e9e9d7ddc24dbcd528ef7dd4cChris Lattner // Otherwise, do bitwise ops! 328583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = 3286912095becac923ff614d7b07728eb345ada67765Evan Cheng Node->getValueType(0) == MVT::f32 ? MVT::i32 : MVT::i64; 3287912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = ExpandFCOPYSIGNToBitwiseOps(Node, NVT, DAG, TLI); 3288912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), Result); 3289912095becac923ff614d7b07728eb345ada67765Evan Cheng Result = LegalizeOp(Result); 3290a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3291a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner } 3292912095becac923ff614d7b07728eb345ada67765Evan Cheng } 3293a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner break; 3294a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner 3295551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::ADDC: 3296551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::SUBC: 3297551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); 3298551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); 3299551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3300551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Since this produces two values, make sure to remember that we legalized 3301551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // both of them. 3302475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 3303475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 3304551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman return Result; 3305edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 3306551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::ADDE: 3307551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman case ISD::SUBE: 3308551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); 3309551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); 3310551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); 3311551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3); 3312551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Since this produces two values, make sure to remember that we legalized 3313551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // both of them. 3314475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result.getValue(0)); 3315475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Result.getValue(1)); 3316551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman return Result; 3317551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 3318419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case ISD::BUILD_PAIR: { 331983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PairTy = Node->getValueType(0); 3320419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman // TODO: handle the case where the Lo and Hi operands are not of legal type 3321419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Lo 3322419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Hi 3323419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman switch (TLI.getOperationAction(ISD::BUILD_PAIR, PairTy)) { 3324456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3325456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3326456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner assert(0 && "Cannot promote/custom this yet!"); 3327419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case TargetLowering::Legal: 3328419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1)) 3329419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Result = DAG.getNode(ISD::BUILD_PAIR, PairTy, Tmp1, Tmp2); 3330419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3331419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman case TargetLowering::Expand: 3332419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, PairTy, Tmp1); 3333419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = DAG.getNode(ISD::ANY_EXTEND, PairTy, Tmp2); 3334419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman Tmp2 = DAG.getNode(ISD::SHL, PairTy, Tmp2, 333583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(PairTy.getSizeInBits()/2, 3336419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman TLI.getShiftAmountTy())); 3337456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::OR, PairTy, Tmp1, Tmp2); 3338419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3339419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman } 3340419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman break; 3341419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman } 3342419f8b62f73541dd783aa98c9eda6e483a487d51Nate Begeman 3343c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman case ISD::UREM: 3344c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman case ISD::SREM: 334501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FREM: 3346c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 3347c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3348456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3349c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3350456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: assert(0 && "Cannot promote this yet!"); 3351456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3352456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3353456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 335457030e36e41ebd982a24632e7cea5b584b2d49fcAndrew Lenharth case TargetLowering::Legal: 3355c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3356456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3357456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3358ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3359456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 336057030e36e41ebd982a24632e7cea5b584b2d49fcAndrew Lenharth break; 3361525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman case TargetLowering::Expand: { 33626b5578f052c2405c0d622192ccacfd47563c99a8Evan Cheng unsigned DivOpc= (Node->getOpcode() == ISD::UREM) ? ISD::UDIV : ISD::SDIV; 336347857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer bool isSigned = DivOpc == ISD::SDIV; 336483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3365525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 3366525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // See if remainder can be lowered using two-result operations. 3367525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman SDVTList VTs = DAG.getVTList(VT, VT); 3368525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::SREM && 3369525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::SDIVREM, VT)) { 3370ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1, Tmp2).getNode(), 1); 3371525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3372525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3373525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (Node->getOpcode() == ISD::UREM && 3374525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman TLI.isOperationLegal(ISD::UDIVREM, VT)) { 3375ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1, Tmp2).getNode(), 1); 3376525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 3377525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3378525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman 337983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isInteger()) { 3380525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (TLI.getOperationAction(DivOpc, VT) == 338152cc1ea2a1a374b58801398460a6289723089d91Evan Cheng TargetLowering::Legal) { 338252cc1ea2a1a374b58801398460a6289723089d91Evan Cheng // X % Y -> X-X/Y*Y 33836b5578f052c2405c0d622192ccacfd47563c99a8Evan Cheng Result = DAG.getNode(DivOpc, VT, Tmp1, Tmp2); 338452cc1ea2a1a374b58801398460a6289723089d91Evan Cheng Result = DAG.getNode(ISD::MUL, VT, Result, Tmp2); 338552cc1ea2a1a374b58801398460a6289723089d91Evan Cheng Result = DAG.getNode(ISD::SUB, VT, Tmp1, Result); 338683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (VT.isVector()) { 338780176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 338852cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } else { 3389525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman assert(VT == MVT::i32 && 339052cc1ea2a1a374b58801398460a6289723089d91Evan Cheng "Cannot expand this binary operator!"); 339156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = Node->getOpcode() == ISD::UREM 339256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng ? RTLIB::UREM_I32 : RTLIB::SREM_I32; 3393475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3394460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, isSigned, Dummy); 339552cc1ea2a1a374b58801398460a6289723089d91Evan Cheng } 33960d97426b7b3d57cc3ff651a400b758733f2058a8Dan Gohman } else { 339783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(VT.isFloatingPoint() && 33980d97426b7b3d57cc3ff651a400b758733f2058a8Dan Gohman "remainder op must have integer or floating-point type"); 339983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 340080176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 340180176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman } else { 340280176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman // Floating point mod -> fmod libcall. 3403007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::REM_F32, RTLIB::REM_F64, 3404007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::REM_F80, RTLIB::REM_PPCF128); 3405475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3406460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 340780176319f3ea5d3d943aa540e76381e8567f5dcbDan Gohman } 3408c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman } 3409c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman break; 3410c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman } 3411525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 3412c105e19864f2792c52bc6bb765d365308f38f461Nate Begeman break; 3413acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAARG: { 3414acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3415acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3416acc398c195a697795bff3245943d104eb19192b9Nate Begeman 341783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3418acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) { 3419acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3420456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3421456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3422456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3423acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3424c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3425c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = Result.getValue(0); 3426456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Result.getValue(1); 3427456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3428456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3429456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = TLI.LowerOperation(Result, DAG); 3430ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp2.getNode()) { 3431456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Tmp2); 3432456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = LegalizeOp(Tmp2.getValue(1)); 3433456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3434456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3435acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3436acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: { 343769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); 3438475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); 3439acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Increment the pointer, VAList, to the next vaarg 34405c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, 34415c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands DAG.getConstant(TLI.getTargetData()->getABITypeSize(VT.getTypeForMVT()), 34425c58a3168f006aaacf2e9c6a69dde86b630d783eDuncan Sands TLI.getPointerTy())); 3443acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Store the incremented VAList to the legalized pointer 344469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); 3445acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Load the actual argument out of the pointer VAList 3446466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.getLoad(VT, Tmp3, VAList, NULL, 0); 3447456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = LegalizeOp(Result.getValue(1)); 3448acc398c195a697795bff3245943d104eb19192b9Nate Begeman Result = LegalizeOp(Result); 3449acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3450acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3451acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3452acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Since VAARG produces two values, make sure to remember that we 3453acc398c195a697795bff3245943d104eb19192b9Nate Begeman // legalized both of them. 3454475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result); 3455475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp1); 345699a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp1 : Result; 3457acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3458acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3459acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VACOPY: 3460acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3461acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the dest pointer. 3462acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the source pointer. 3463acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3464acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VACOPY, MVT::Other)) { 3465acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3466456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3467456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3468456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3469acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3470c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3, 3471c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Node->getOperand(3), Node->getOperand(4)); 3472456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3473456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3474ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3475456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3476acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3477acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: 3478acc398c195a697795bff3245943d104eb19192b9Nate Begeman // This defaults to loading a pointer from the input and storing it to the 3479acc398c195a697795bff3245943d104eb19192b9Nate Begeman // output, returning the chain. 348069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *VD = cast<SrcValueSDNode>(Node->getOperand(3))->getValue(); 348169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *VS = cast<SrcValueSDNode>(Node->getOperand(4))->getValue(); 3482499c1bd358917ad64ed3dcc32492dd38e1a47706Dan Gohman Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, VS, 0); 3483499c1bd358917ad64ed3dcc32492dd38e1a47706Dan Gohman Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, VD, 0); 3484acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3485acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3486acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3487acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3488acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAEND: 3489acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3490acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3491acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3492acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VAEND, MVT::Other)) { 3493acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3494456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3495456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3496456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3497acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Legal: 3498c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3499456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3500456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Tmp1, DAG); 3501ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3502456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3503acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3504acc398c195a697795bff3245943d104eb19192b9Nate Begeman case TargetLowering::Expand: 3505acc398c195a697795bff3245943d104eb19192b9Nate Begeman Result = Tmp1; // Default to a no-op, return the chain 3506acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3507acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3508acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3509acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3510acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VASTART: 3511acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. 3512acc398c195a697795bff3245943d104eb19192b9Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. 3513acc398c195a697795bff3245943d104eb19192b9Nate Begeman 3514c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node->getOperand(2)); 3515c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner 3516acc398c195a697795bff3245943d104eb19192b9Nate Begeman switch (TLI.getOperationAction(ISD::VASTART, MVT::Other)) { 3517acc398c195a697795bff3245943d104eb19192b9Nate Begeman default: assert(0 && "This action is not supported yet!"); 3518456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: break; 3519456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3520456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3521ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3522acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3523acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 3524acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 3525acc398c195a697795bff3245943d104eb19192b9Nate Begeman 352635ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman case ISD::ROTL: 352735ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman case ISD::ROTR: 352835ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // LHS 352935ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS 3530c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); 3531c9dc11457809b6641de853af2261721a97ad1f26Scott Michel switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3532c9dc11457809b6641de853af2261721a97ad1f26Scott Michel default: 3533c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "ROTL/ROTR legalize operation not supported"); 3534c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3535c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Legal: 3536c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3537c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Custom: 3538c9dc11457809b6641de853af2261721a97ad1f26Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3539ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3540c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3541c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Promote: 3542c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "Do not know how to promote ROTL/ROTR"); 3543c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3544c9dc11457809b6641de853af2261721a97ad1f26Scott Michel case TargetLowering::Expand: 3545c9dc11457809b6641de853af2261721a97ad1f26Scott Michel assert(0 && "Do not know how to expand ROTL/ROTR"); 3546c9dc11457809b6641de853af2261721a97ad1f26Scott Michel break; 3547c9dc11457809b6641de853af2261721a97ad1f26Scott Michel } 354835ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman break; 354935ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman 3550d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: 3551d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = LegalizeOp(Node->getOperand(0)); // Op 3552d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3553456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3554456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner assert(0 && "Cannot custom legalize this yet!"); 3555456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 3556c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3557456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3558456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: { 355983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Tmp1.getValueType(); 356083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 356183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned DiffBits = NVT.getSizeInBits() - OVT.getSizeInBits(); 3562456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 3563456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 3564456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::BSWAP, NVT, Tmp1); 3565456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRL, NVT, Tmp1, 3566456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner DAG.getConstant(DiffBits, TLI.getShiftAmountTy())); 3567456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3568456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3569456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Expand: 3570456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = ExpandBSWAP(Tmp1); 3571456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3572d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman } 3573d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 3574d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman 3575691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTPOP: 3576691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTTZ: 3577691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTLZ: 3578691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = LegalizeOp(Node->getOperand(0)); // Op 3579691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3580910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel case TargetLowering::Custom: 3581691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Legal: 3582c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3583910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 3584335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel TargetLowering::Custom) { 3585335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 3586ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) { 3587335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel Result = Tmp1; 3588335f4f77882ace48bcdfb7a6019367bf9f4857cdScott Michel } 3589910b66d8d6fd8a27dcdea74431e3ea20c69b7db5Scott Michel } 3590691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3591691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Promote: { 359283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Tmp1.getValueType(); 359383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); 3594edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 3595edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner // Zero extend the argument. 3596691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 3597691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth // Perform the larger operation, then subtract if needed. 3598691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Tmp1 = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1); 3599456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch (Node->getOpcode()) { 3600691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTPOP: 3601691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth Result = Tmp1; 3602691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3603691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTTZ: 3604691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth //if Tmp1 == sizeinbits(NVT) then Tmp1 = sizeinbits(Old VT) 36055b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, 360683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits(), NVT), 36077cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETEQ); 360800b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SELECT, NVT, Tmp2, 360983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(OVT.getSizeInBits(), NVT), Tmp1); 3610691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3611691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case ISD::CTLZ: 3612456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Tmp1 = Tmp1 - (sizeinbits(NVT) - sizeinbits(Old VT)) 361300b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SUB, NVT, Tmp1, 361483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 361583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands OVT.getSizeInBits(), NVT)); 3616691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3617691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3618691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3619691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3620691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth case TargetLowering::Expand: 3621456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = ExpandBitCount(Node->getOpcode(), Tmp1); 3622691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 3623691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth } 3624691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth break; 362500b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen 36262c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Unary operators 36272c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FABS: 36282c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FNEG: 3629da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSQRT: 3630da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSIN: 3631da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FCOS: 36327794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 36337794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 36347794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 36357794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 36367794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 3637509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FTRUNC: 3638509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FFLOOR: 3639509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FCEIL: 3640509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FRINT: 3641509e84fa7146175c86dec5ef2167290f294dc89eDan Gohman case ISD::FNEARBYINT: 36422c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 36432c8086f4b9916b2d02842be5e375276023225fbaChris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { 3644456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3645456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 364659ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng isCustom = true; 364759ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng // FALLTHROUGH 36482c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case TargetLowering::Legal: 3649c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 365059ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng if (isCustom) { 365159ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng Tmp1 = TLI.LowerOperation(Result, DAG); 3652ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 365359ad781e0118021d1ca7dfbc9f8db2ed828745e0Evan Cheng } 36542c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 36552c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case TargetLowering::Expand: 3656456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch (Node->getOpcode()) { 3657456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner default: assert(0 && "Unreachable!"); 3658456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case ISD::FNEG: 36592c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Expand Y = FNEG(X) -> Y = SUB -0.0, X 36602c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp2 = DAG.getConstantFP(-0.0, Node->getValueType(0)); 3661456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::FSUB, Node->getValueType(0), Tmp2, Tmp1); 3662f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3663f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner case ISD::FABS: { 36644af6e0d7836126630f579b0a34f054321187f00bChris Lattner // Expand Y = FABS(X) -> Y = (X >u 0.0) ? X : fneg(X). 366583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 36664af6e0d7836126630f579b0a34f054321187f00bChris Lattner Tmp2 = DAG.getConstantFP(0.0, VT); 36675b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, 36685922f561c65968ef1865cc8434d191041e450602Nate Begeman ISD::SETUGT); 36694af6e0d7836126630f579b0a34f054321187f00bChris Lattner Tmp3 = DAG.getNode(ISD::FNEG, VT, Tmp1); 36704af6e0d7836126630f579b0a34f054321187f00bChris Lattner Result = DAG.getNode(ISD::SELECT, VT, Tmp2, Tmp1, Tmp3); 3671f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3672f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 36739d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FSQRT: 36749d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FSIN: 36759d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FCOS: 36767794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 36777794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 36787794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 36797794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 36807794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 36812bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 36822bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 36832bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 36842bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 36859d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FNEARBYINT: { 368683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3687826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3688826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Expand unsupported unary vector operators by unrolling them. 368983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 3690826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3691826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3692826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3693826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 369456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 3695f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner switch(Node->getOpcode()) { 369656966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSQRT: 3697007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64, 3698007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128); 369956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 370056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSIN: 3701007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64, 3702007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SIN_F80, RTLIB::SIN_PPCF128); 370356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 370456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FCOS: 3705007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64, 3706007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::COS_F80, RTLIB::COS_PPCF128); 370756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 37087794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 37097794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64, 37107794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG_F80, RTLIB::LOG_PPCF128); 37117794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37127794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 37137794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64, 37147794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128); 37157794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37167794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 37177794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64, 37187794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128); 37197794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37207794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 37217794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64, 37227794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP_F80, RTLIB::EXP_PPCF128); 37237794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37247794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 37257794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64, 37267794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128); 37277794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 37282bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 37292bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, 37302bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128); 37312bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37322bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 37332bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, 37342bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128); 37352bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37362bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 37372bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::CEIL_F32, RTLIB::CEIL_F64, 37382bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128); 37392bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37402bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 37412bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::RINT_F32, RTLIB::RINT_F64, 37422bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::RINT_F80, RTLIB::RINT_PPCF128); 37432bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37442bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 37452bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, 37462bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::NEARBYINT_F80, RTLIB::NEARBYINT_PPCF128); 37472bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 37489d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng break; 3749f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner default: assert(0 && "Unreachable!"); 3750f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 3751475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3752460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 3753f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner break; 3754f76e7dc8d8ac1855ef59698e82c757548ef4ca65Chris Lattner } 37552c8086f4b9916b2d02842be5e375276023225fbaChris Lattner } 37562c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 37572c8086f4b9916b2d02842be5e375276023225fbaChris Lattner } 37582c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 37596ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner case ISD::FPOWI: { 376083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 3761826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3762826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // Expand unsupported unary vector operators by unrolling them. 376383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (VT.isVector()) { 3764826695281344e3a4c4d44d73dd155107aafd689bDan Gohman Result = LegalizeOp(UnrollVectorOp(Op)); 3765826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 3766826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 3767826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 3768826695281344e3a4c4d44d73dd155107aafd689bDan Gohman // We always lower FPOWI into a libcall. No target support for it yet. 3769007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64, 3770007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::POWI_F80, RTLIB::POWI_PPCF128); 3771475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3772460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 37736ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner break; 37746ddf8ed6fe2d0aa5e15f7b9ad7e5049e2223bbd1Chris Lattner } 377535481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: 377667993f7b974cd17e4372a6b7b9f9cad5ed174df1Chris Lattner if (!isTypeLegal(Node->getOperand(0).getValueType())) { 37771401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 37781401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 377983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands } else if (Op.getOperand(0).getValueType().isVector()) { 37807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // The input has to be a vector type, we have to either scalarize it, pack 37817f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // it, or convert it based on whether the input vector type is legal. 3782ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *InVal = Node->getOperand(0).getNode(); 378399a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif int InIx = Node->getOperand(0).getResNo(); 378483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = InVal->getValueType(InIx).getVectorNumElements(); 378583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = InVal->getValueType(InIx).getVectorElementType(); 37867f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 37877f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if there is a simple type corresponding to this Vector 37887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // type. If so, convert to the vector type. 378983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = MVT::getVectorVT(EVT, NumElems); 37907f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (TLI.isTypeLegal(TVT)) { 379107a96765daedf180a7102d39fe56c499878312b7Dan Gohman // Turn this into a bit convert of the vector input. 37927f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), 37937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LegalizeOp(Node->getOperand(0))); 37947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 37957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else if (NumElems == 1) { 37967f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Turn this into a bit convert of the scalar input. 37977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(ISD::BIT_CONVERT, Node->getValueType(0), 37987f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0))); 37997f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 38007f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else { 38017f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // FIXME: UNIMP! Store then reload 38027f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(0 && "Cast from unsupported vector type not implemented yet!"); 38037f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 380467993f7b974cd17e4372a6b7b9f9cad5ed174df1Chris Lattner } else { 380535481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner switch (TLI.getOperationAction(ISD::BIT_CONVERT, 380635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Node->getOperand(0).getValueType())) { 380735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner default: assert(0 && "Unknown operation action!"); 380835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case TargetLowering::Expand: 38091401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 38101401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 381135481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 381235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case TargetLowering::Legal: 381335481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3814c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 381535481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 381635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 381735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 381835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 381977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 382077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 382177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (CvtCode) { 382277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang default: assert(0 && "Unknown cvt code!"); 382377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SF: 382477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_UF: 382577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 382677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FF: 382777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FS: 382877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_FU: 382977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SS: 383077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_SU: 383177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_US: 383277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CVT_UU: { 383377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOp = Node->getOperand(1); 383477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOp = Node->getOperand(2); 383577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 383677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 383777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (getTypeAction(Node->getOperand(0).getValueType())) { 383877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 383977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Legal: 384077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Tmp1 = LegalizeOp(Node->getOperand(0)); 384177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.UpdateNodeOperands(Result, Tmp1, DTyOp, STyOp, 384277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp); 384377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 384477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TargetLowering::Custom) { 384577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Tmp1 = TLI.LowerOperation(Result, DAG); 384677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang if (Tmp1.getNode()) Result = Tmp1; 384777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 384877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 384977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case Promote: 385077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = PromoteOp(Node->getOperand(0)); 385177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // For FP, make Op1 a i32 385277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 385377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(Result.getValueType(), Result, 385477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DTyOp, STyOp, RndOp, SatOp, CvtCode); 385577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 385677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 385777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 385877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 385977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } // end switch CvtCode 386077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 386177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 38622c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // Conversion operators. The source and destination have different types. 3863fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::SINT_TO_FP: 3864fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::UINT_TO_FP: { 3865fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP; 38667f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = LegalizeINT_TO_FP(Result, isSigned, 38677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Node->getValueType(0), Node->getOperand(0)); 3868fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3869fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3870fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::TRUNCATE: 3871fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3872fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Legal: 3873fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3874c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3875fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3876fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Expand: 3877fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 3878fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner 3879fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner // Since the result is legal, we should just be able to truncate the low 3880fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner // part of the source. 3881fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), Tmp1); 3882fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3883fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Promote: 3884fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = PromoteOp(Node->getOperand(0)); 3885fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, Op.getValueType(), Result); 3886fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3887fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3888fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3889d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 3890fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::FP_TO_SINT: 3891fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case ISD::FP_TO_UINT: 3892fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3893fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Legal: 3894f1fa74ee0d30dfdb854f7d3f5ee67437cc82e250Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3895f1fa74ee0d30dfdb854f7d3f5ee67437cc82e250Chris Lattner 38961618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))){ 38971618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner default: assert(0 && "Unknown operation action!"); 3898456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Custom: 3899456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner isCustom = true; 3900456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // FALLTHROUGH 3901456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Legal: 3902c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3903456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (isCustom) { 3904456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = TLI.LowerOperation(Result, DAG); 3905ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 3906456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner } 3907456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3908456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case TargetLowering::Promote: 3909456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = PromoteLegalFP_TO_INT(Tmp1, Node->getValueType(0), 3910456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Node->getOpcode() == ISD::FP_TO_SINT); 3911456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 39121618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner case TargetLowering::Expand: 3913d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman if (Node->getOpcode() == ISD::FP_TO_UINT) { 3914475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue True, False; 391583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getOperand(0).getValueType(); 391683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = Node->getValueType(0); 391773328d14acba0144f121b557ce0e1539c6a21a18Dale Johannesen const uint64_t zero[] = {0, 0}; 391883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands APFloat apf = APFloat(APInt(VT.getSizeInBits(), 2, zero)); 391983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands APInt x = APInt::getSignBit(NVT.getSizeInBits()); 3920c7773bf90ee4398ccdeb847db6330cf4507b832bDan Gohman (void)apf.convertFromAPInt(x, false, APFloat::rmNearestTiesToEven); 392173328d14acba0144f121b557ce0e1539c6a21a18Dale Johannesen Tmp2 = DAG.getConstantFP(apf, VT); 39225b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp3 = DAG.getSetCC(TLI.getSetCCResultType(Node->getOperand(0)), 3923d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Node->getOperand(0), Tmp2, ISD::SETLT); 3924d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman True = DAG.getNode(ISD::FP_TO_SINT, NVT, Node->getOperand(0)); 3925d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman False = DAG.getNode(ISD::FP_TO_SINT, NVT, 392601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner DAG.getNode(ISD::FSUB, VT, Node->getOperand(0), 3927d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Tmp2)); 3928d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman False = DAG.getNode(ISD::XOR, NVT, False, 3929c7773bf90ee4398ccdeb847db6330cf4507b832bDan Gohman DAG.getConstant(x, NVT)); 3930456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SELECT, NVT, Tmp3, True, False); 3931456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner break; 3932d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } else { 3933d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman assert(0 && "Do not know how to expand FP_TO_SINT yet!"); 3934d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } 3935d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman break; 39361618bebcf6f9cd19c4e05de3bfffda28c246bb12Chris Lattner } 3937fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 39386af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng case Expand: { 393983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 394083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT OVT = Node->getOperand(0).getValueType(); 3941fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // Convert ppcf128 to i32 39426eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen if (OVT == MVT::ppcf128 && VT == MVT::i32) { 39430bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (Node->getOpcode() == ISD::FP_TO_SINT) { 39440bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, MVT::ppcf128, 39450bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(0), DAG.getValueType(MVT::f64)); 39460bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, MVT::f64, Result, 39470bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(1)); 39480bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_TO_SINT, VT, Result); 39490bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } else { 3950fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen const uint64_t TwoE31[] = {0x41e0000000000000LL, 0}; 3951fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen APFloat apf = APFloat(APInt(128, 2, TwoE31)); 3952fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Tmp2 = DAG.getConstantFP(apf, OVT); 3953fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // X>=2^31 ? (int)(X-2^31)+0x80000000 : (int)X 3954fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen // FIXME: generated code sucks. 3955fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Result = DAG.getNode(ISD::SELECT_CC, VT, Node->getOperand(0), Tmp2, 3956fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::ADD, MVT::i32, 3957fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_TO_SINT, VT, 3958fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FSUB, OVT, 3959fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Node->getOperand(0), Tmp2)), 3960fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getConstant(0x80000000, MVT::i32)), 3961fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_TO_SINT, VT, 3962fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Node->getOperand(0)), 3963fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getCondCode(ISD::SETGE)); 3964fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen } 39656eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen break; 39666eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen } 3967a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman // Convert f32 / f64 to i32 / i64 / i128. 3968b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = (Node->getOpcode() == ISD::FP_TO_SINT) ? 3969b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getFPTOSINT(OVT, VT) : RTLIB::getFPTOUINT(OVT, VT); 3970b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpectd fp-to-int conversion!"); 3971475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 3972460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Result = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Dummy); 39736af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng break; 39746af00d588c1b353d9d7a3dd8f58927056eccd6c1Evan Cheng } 3975fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner case Promote: 3976c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 3977c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, LegalizeOp(Tmp1)); 3978c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = LegalizeOp(Result); 3979fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3980fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner } 3981fa9c801a6b42609dc2a934afb6535e3d51d61a3eChris Lattner break; 3982d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 3983f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case ISD::FP_EXTEND: { 398483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT DstVT = Op.getValueType(); 398583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Op.getOperand(0).getValueType(); 39860bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TLI.getConvertAction(SrcVT, DstVT) == TargetLowering::Expand) { 39870bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // The only other way we can lower this is to turn it into a STORE, 39880bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // LOAD pair, targetting a temporary location (a stack slot). 39890bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = EmitStackConvert(Node->getOperand(0), SrcVT, DstVT); 39900bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 3991f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 3992f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 3993f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 3994f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Legal: 3995f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 3996f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 3997f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 3998f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Promote: 3999f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4000f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Result = DAG.getNode(ISD::FP_EXTEND, Op.getValueType(), Tmp1); 4001f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4002f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4003f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 40040bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 40055411a3937f4303f9c3fc50be92f985a4532d95e6Dale Johannesen case ISD::FP_ROUND: { 400683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT DstVT = Op.getValueType(); 400783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Op.getOperand(0).getValueType(); 40080bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (TLI.getConvertAction(SrcVT, DstVT) == TargetLowering::Expand) { 40090bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (SrcVT == MVT::ppcf128) { 4010475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo; 4011713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen ExpandOp(Node->getOperand(0), Lo, Result); 40120bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Round it the rest of the way (e.g. to f32) if needed. 4013713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen if (DstVT!=MVT::f64) 4014713ed3f7c0cb788f74af0697fce3c4eafda4178eDale Johannesen Result = DAG.getNode(ISD::FP_ROUND, DstVT, Result, Op.getOperand(1)); 40150bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 40165411a3937f4303f9c3fc50be92f985a4532d95e6Dale Johannesen } 40170bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // The only other way we can lower this is to turn it into a STORE, 40180bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // LOAD pair, targetting a temporary location (a stack slot). 40190bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = EmitStackConvert(Node->getOperand(0), DstVT, DstVT); 40200bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner break; 4021849f214a4e3676e41168b0c5398165c4d4fb99f8Dale Johannesen } 4022f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4023f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 4024f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Legal: 4025f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 40260bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 4027f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4028f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner case Promote: 4029f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 40300bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, Op.getValueType(), Tmp1, 40310bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(1)); 4032f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 4033f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner } 4034f2670a89a7c5e29e7f71ab63e06e75dbf482c55bChris Lattner break; 40350bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 403613c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 40373e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::ZERO_EXTEND: 40383e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SIGN_EXTEND: 40393e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 4040456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner case Expand: assert(0 && "Shouldn't need to expand other operators here!"); 40413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case Legal: 40423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 404382747a54849d22c3a0b7c3b56399da9b9e020ee0Scott Michel Result = DAG.UpdateNodeOperands(Result, Tmp1); 40440123b7dcfa9be97588926407163deb8d603487ceScott Michel if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == 40450123b7dcfa9be97588926407163deb8d603487ceScott Michel TargetLowering::Custom) { 404682747a54849d22c3a0b7c3b56399da9b9e020ee0Scott Michel Tmp1 = TLI.LowerOperation(Result, DAG); 4047ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 40480123b7dcfa9be97588926407163deb8d603487ceScott Michel } 40493e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 405003c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Promote: 405103c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (Node->getOpcode()) { 405213c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 4053c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4054c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Tmp1); 405513c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner break; 40561713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner case ISD::ZERO_EXTEND: 40571713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = PromoteOp(Node->getOperand(0)); 405813c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Result); 405923993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 406023993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 406103c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 406203c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::SIGN_EXTEND: 40631713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = PromoteOp(Node->getOperand(0)); 406413c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Result = DAG.getNode(ISD::ANY_EXTEND, Op.getValueType(), Result); 40651713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 406615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result, 406715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 40681713e73b8ac53f045150cb2a7d7ba9781dc35ef8Chris Lattner break; 406903c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 40703e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 40713e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 40720f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::FP_ROUND_INREG: 407323993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner case ISD::SIGN_EXTEND_INREG: { 40740f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 407583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ExtraVT = cast<VTSDNode>(Node->getOperand(1))->getVT(); 407645b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner 407745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // If this operation is not supported, convert it to a shl/shr or load/store 407845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // pair. 407955ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner switch (TLI.getOperationAction(Node->getOpcode(), ExtraVT)) { 408055ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner default: assert(0 && "This action not supported for this op yet!"); 408155ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Legal: 4082c52ad4f04ea5f51a1b4c67e585acea5c0525fc3dChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1, Node->getOperand(1)); 408355ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 408455ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner case TargetLowering::Expand: 408545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // If this is an integer extend and shifts are supported, do that. 408623993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner if (Node->getOpcode() == ISD::SIGN_EXTEND_INREG) { 408745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // NOTE: we could fall back on load/store here too for targets without 408845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // SAR. However, it is doubtful that any exist. 408983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned BitsDiff = Node->getValueType(0).getSizeInBits() - 409083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands ExtraVT.getSizeInBits(); 4091475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftCst = DAG.getConstant(BitsDiff, TLI.getShiftAmountTy()); 409245b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result = DAG.getNode(ISD::SHL, Node->getValueType(0), 409345b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Node->getOperand(0), ShiftCst); 409445b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result = DAG.getNode(ISD::SRA, Node->getValueType(0), 409545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner Result, ShiftCst); 409645b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } else if (Node->getOpcode() == ISD::FP_ROUND_INREG) { 40972d84c4c7b314242346dea1a7f48563333476a4d5Jim Laskey // The only way we can lower this is to turn it into a TRUNCSTORE, 409845b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // EXTLOAD pair, targetting a temporary location (a stack slot). 409945b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner 410045b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // NOTE: there is a choice here between constantly creating new stack 410145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // slots and always reusing the same one. We currently always create 410245b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner // new ones, as reuse may inhibit scheduling. 4103a66bb39e9779ce17b7d16e311f4b73fddb2ede2fChris Lattner Result = EmitStackConvert(Node->getOperand(0), ExtraVT, 4104a66bb39e9779ce17b7d16e311f4b73fddb2ede2fChris Lattner Node->getValueType(0)); 410545b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } else { 410645b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner assert(0 && "Unknown op"); 410745b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 410855ba8fba750ee0a51a9d74fa33b7242d24a4ff35Chris Lattner break; 410945b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 41100f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner break; 41113e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 411236397f50343639ce9a25996f2d790c656791ab92Duncan Sands case ISD::TRAMPOLINE: { 4113475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[6]; 411436397f50343639ce9a25996f2d790c656791ab92Duncan Sands for (unsigned i = 0; i != 6; ++i) 411536397f50343639ce9a25996f2d790c656791ab92Duncan Sands Ops[i] = LegalizeOp(Node->getOperand(i)); 411636397f50343639ce9a25996f2d790c656791ab92Duncan Sands Result = DAG.UpdateNodeOperands(Result, Ops, 6); 411736397f50343639ce9a25996f2d790c656791ab92Duncan Sands // The only option for this node is to custom lower it. 411836397f50343639ce9a25996f2d790c656791ab92Duncan Sands Result = TLI.LowerOperation(Result, DAG); 4119ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode() && "Should always custom lower!"); 4120f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands 4121f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // Since trampoline produces two values, make sure to remember that we 4122f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // legalized both of them. 4123f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands Tmp1 = LegalizeOp(Result.getValue(1)); 4124f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands Result = LegalizeOp(Result); 4125475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 0), Result); 4126475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), Tmp1); 412799a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif return Op.getResNo() ? Tmp1 : Result; 412836397f50343639ce9a25996f2d790c656791ab92Duncan Sands } 41299c78a399076f8356a53ee67dca9c78e594e34967Dan Gohman case ISD::FLT_ROUNDS_: { 413083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 4131917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 4132917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov default: assert(0 && "This action not supported for this op yet!"); 4133917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov case TargetLowering::Custom: 4134917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 4135ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 4136917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // Fall Thru 4137917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov case TargetLowering::Legal: 4138917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // If this operation is not supported, lower it to constant 1 4139917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov Result = DAG.getConstant(1, VT); 4140917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov break; 4141917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov } 41429ab9ee8209c313713a54db2d9451751d8cfb9e2aDan Gohman break; 4143917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov } 414441bab0beac2600701af99f63e23a6b65f71468acChris Lattner case ISD::TRAP: { 414583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 414666fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov switch (TLI.getOperationAction(Node->getOpcode(), VT)) { 414766fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov default: assert(0 && "This action not supported for this op yet!"); 414841bab0beac2600701af99f63e23a6b65f71468acChris Lattner case TargetLowering::Legal: 414941bab0beac2600701af99f63e23a6b65f71468acChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 415041bab0beac2600701af99f63e23a6b65f71468acChris Lattner Result = DAG.UpdateNodeOperands(Result, Tmp1); 415141bab0beac2600701af99f63e23a6b65f71468acChris Lattner break; 415266fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov case TargetLowering::Custom: 415366fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov Result = TLI.LowerOperation(Op, DAG); 4154ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) break; 415566fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // Fall Thru 415641bab0beac2600701af99f63e23a6b65f71468acChris Lattner case TargetLowering::Expand: 415766fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // If this operation is not supported, lower it to 'abort()' call 415841bab0beac2600701af99f63e23a6b65f71468acChris Lattner Tmp1 = LegalizeOp(Node->getOperand(0)); 415966fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov TargetLowering::ArgListTy Args; 4160475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::pair<SDValue,SDValue> CallResult = 416100fee65fd21f9615d1a604b8b7d42cd16a3f6b47Duncan Sands TLI.LowerCallTo(Tmp1, Type::VoidTy, 416286098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen false, false, false, false, CallingConv::C, false, 4163056292fd738924f3f7703725d8f630983794b5a5Bill Wendling DAG.getExternalSymbol("abort", TLI.getPointerTy()), 4164034f12ea0864a9cca0a74715d6fb06a8bf1dc775Chris Lattner Args, DAG); 416566fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov Result = CallResult.second; 416666fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov break; 416766fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov } 416841bab0beac2600701af99f63e23a6b65f71468acChris Lattner break; 416966fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov } 41708ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling 41718ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling case ISD::SADDO: { 41728ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling SDValue LHS = LegalizeOp(Node->getOperand(0)); 41738ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling SDValue RHS = LegalizeOp(Node->getOperand(1)); 41748ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling 41758ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling SDValue Sum = DAG.getNode(ISD::ADD, LHS.getValueType(), LHS, RHS); 41768ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling MVT OType = SDValue(Node, 1).getValueType(); 41778ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling SDValue Cmp = DAG.getSetCC(OType, Sum, LHS, ISD::SETLT); 41788ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling 41798ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling MVT ValueVTs[] = { LHS.getValueType(), OType }; 41808ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling SDValue Ops[] = { Sum, Cmp }; 41818ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling 41828ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling Result = DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], 2), &Ops[0], 2); 41838ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling SDNode *RNode = Result.getNode(); 41848ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 0), SDValue(RNode, 0)); 41858ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling DAG.ReplaceAllUsesOfValueWith(SDValue(Node, 1), SDValue(RNode, 1)); 41868ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling break; 41878ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling } 41888ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling case ISD::UADDO: { 41898ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling break; 41908ac0d4b4fb10406278cd600214cd3ee6d76620cdBill Wendling } 419145b8caf1c5a1fd8337038d64c6da8fba2d299fdfChris Lattner } 4192456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 41934ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner assert(Result.getValueType() == Op.getValueType() && 41944ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner "Bad legalization!"); 41954ddd283f6928fc337c1bf3277566d7b31526e8d9Chris Lattner 4196456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Make sure that the generated code is itself legal. 4197456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (Result != Op) 4198456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Result); 41993e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 420045982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // Note that LegalizeOp may be reentered even from single-use nodes, which 420145982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner // means that we always must cache transformed nodes. 420245982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner AddLegalizedOperand(Op, Result); 42033e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner return Result; 42043e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 42053e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 42068b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// PromoteOp - Given an operation that produces a value in an invalid type, 42078b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// promote it to compute the value into a larger type. The produced value will 42088b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// have the correct bits for the low portion of the register, but no guarantee 42098b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner/// is made about the top bits: it may be zero, sign-extended, or garbage. 4210475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteOp(SDValue Op) { 421183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 421283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 421303c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(getTypeAction(VT) == Promote && 421403c8546ec57523970874917854a2fb77b1ff598eChris Lattner "Caller should expand or legalize operands that are not promotable!"); 42158e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(NVT.bitsGT(VT) && NVT.isInteger() == VT.isInteger() && 421603c8546ec57523970874917854a2fb77b1ff598eChris Lattner "Cannot promote to smaller type!"); 421703c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4218475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3; 4219475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 4220ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 422103c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4222475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, SDValue>::iterator I = PromotedNodes.find(Op); 42236fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner if (I != PromotedNodes.end()) return I->second; 422445982dad53cd184fe8947a1b0206b0b16964f359Chris Lattner 422503c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (Node->getOpcode()) { 4226d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner case ISD::CopyFromReg: 4227d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner assert(0 && "CopyFromReg must be legal!"); 422803c8546ec57523970874917854a2fb77b1ff598eChris Lattner default: 4229e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 423039833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 4231e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 423203c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(0 && "Do not know how to promote this operator!"); 423303c8546ec57523970874917854a2fb77b1ff598eChris Lattner abort(); 4234fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: 4235fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Result = DAG.getNode(ISD::UNDEF, NVT); 4236fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 423703c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::Constant: 4238ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner if (VT != MVT::i1) 4239ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND, NVT, Op); 4240ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner else 4241ec176e30d655f96d75b49e620a849008bf0f63a2Chris Lattner Result = DAG.getNode(ISD::ZERO_EXTEND, NVT, Op); 424203c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isa<ConstantSDNode>(Result) && "Didn't constant fold zext?"); 424303c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 424403c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::ConstantFP: 424503c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = DAG.getNode(ISD::FP_EXTEND, NVT, Op); 424603c8546ec57523970874917854a2fb77b1ff598eChris Lattner assert(isa<ConstantFPSDNode>(Result) && "Didn't constant fold fp_extend?"); 424703c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 4248ef5cd1d3cf7d0b20987a545fcd2d0af2bfe6c422Chris Lattner 424982fbfb6984c1feb7d44a077ac2dc031f4a950005Chris Lattner case ISD::SETCC: 42505b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel assert(isTypeLegal(TLI.getSetCCResultType(Node->getOperand(0))) 42515922f561c65968ef1865cc8434d191041e450602Nate Begeman && "SetCC type is not legal??"); 42525b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result = DAG.getNode(ISD::SETCC, 42535922f561c65968ef1865cc8434d191041e450602Nate Begeman TLI.getSetCCResultType(Node->getOperand(0)), 42545922f561c65968ef1865cc8434d191041e450602Nate Begeman Node->getOperand(0), Node->getOperand(1), 42555922f561c65968ef1865cc8434d191041e450602Nate Begeman Node->getOperand(2)); 425682fbfb6984c1feb7d44a077ac2dc031f4a950005Chris Lattner break; 4257fdfded55888e35b76bb70231a5bb2f60877c2f6aChris Lattner 425803c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::TRUNCATE: 425903c8546ec57523970874917854a2fb77b1ff598eChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 426003c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Legal: 426103c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = LegalizeOp(Node->getOperand(0)); 42628e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(Result.getValueType().bitsGE(NVT) && 426303c8546ec57523970874917854a2fb77b1ff598eChris Lattner "This truncation doesn't make sense!"); 42648e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands if (Result.getValueType().bitsGT(NVT)) // Truncate to NVT instead of VT 426503c8546ec57523970874917854a2fb77b1ff598eChris Lattner Result = DAG.getNode(ISD::TRUNCATE, NVT, Result); 426603c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 4267e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner case Promote: 4268e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner // The truncation is not required, because we don't guarantee anything 4269e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner // about high bits anyway. 4270e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner Result = PromoteOp(Node->getOperand(0)); 4271e76ad6de40b5e4c0399257b0438914c8c85ceaa1Chris Lattner break; 427203c8546ec57523970874917854a2fb77b1ff598eChris Lattner case Expand: 427379e46acd35df36477029e9f534ab1a366a98df56Nate Begeman ExpandOp(Node->getOperand(0), Tmp1, Tmp2); 427479e46acd35df36477029e9f534ab1a366a98df56Nate Begeman // Truncate the low part of the expanded value to the result type 4275e21c305ed85b2be4a27784ba52471f6b68fdd255Chris Lattner Result = DAG.getNode(ISD::TRUNCATE, NVT, Tmp1); 427603c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 427703c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 42788b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SIGN_EXTEND: 42798b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::ZERO_EXTEND: 428013c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner case ISD::ANY_EXTEND: 42818b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 42828b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: assert(0 && "BUG: Smaller reg should have been promoted!"); 42838b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 42848b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Input is legal? Just do extend all the way to the larger type. 4285456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Node->getOperand(0)); 42868b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 42878b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 42888b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Promote the reg if it's smaller. 42898b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = PromoteOp(Node->getOperand(0)); 42908b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The high bits are not guaranteed to be anything. Insert an extend. 42918b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner if (Node->getOpcode() == ISD::SIGN_EXTEND) 4292595dc5408ad809b9a9a417db275c43242e54b8dcChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 429315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 429413c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner else if (Node->getOpcode() == ISD::ZERO_EXTEND) 429523993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 429623993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 42978b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 42988b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 42998b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 430077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 430177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 430277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert ((CvtCode == ISD::CVT_SS || CvtCode == ISD::CVT_SU || 430377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode == ISD::CVT_US || CvtCode == ISD::CVT_UU || 430477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode == ISD::CVT_SF || CvtCode == ISD::CVT_UF) && 430577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang "can only promote integers"); 430677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(NVT, Node->getOperand(0), 430777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(1), Node->getOperand(2), 430877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(3), Node->getOperand(4), 430977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang CvtCode); 431077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 431177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 431277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 431335481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: 43141401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Result = EmitStackConvert(Node->getOperand(0), Node->getValueType(0), 43151401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Node->getValueType(0)); 431635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner Result = PromoteOp(Result); 431735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 431835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 43198b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_EXTEND: 43208b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner assert(0 && "Case not implemented. Dynamically dead with 2 FP types!"); 43218b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_ROUND: 43228b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 43238b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: assert(0 && "BUG: Cannot expand FP regs!"); 43248b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: assert(0 && "Unreachable with 2 FP types!"); 43258b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 43260bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner if (Node->getConstantOperandVal(1) == 0) { 43270bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Input is legal? Do an FP_ROUND_INREG. 43280bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Node->getOperand(0), 43290bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getValueType(VT)); 43300bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } else { 43310bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner // Just remove the truncate, it isn't affecting the value. 43320bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, NVT, Node->getOperand(0), 43330bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Node->getOperand(1)); 43340bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner } 43358b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43368b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 43378b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43388b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SINT_TO_FP: 43398b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UINT_TO_FP: 43408b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 43418b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 434277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // No extra round required here. 4343456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Node->getOperand(0)); 43448b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43458b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 43468b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 43478b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = PromoteOp(Node->getOperand(0)); 43488b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner if (Node->getOpcode() == ISD::SINT_TO_FP) 43498b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), 435015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result, 435115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(Node->getOperand(0).getValueType())); 43528b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner else 435323993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Result = DAG.getZeroExtendInReg(Result, 435423993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Node->getOperand(0).getValueType()); 435577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // No extra round required here. 435677e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Result); 43578b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43588b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Expand: 435977e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Result = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, NVT, 436077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner Node->getOperand(0)); 436177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner // Round if we cannot tolerate excess precision. 436277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner if (NoExcessFPPrecision) 436315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 436415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 436577e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner break; 43668b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 43678b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43688b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 43695e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner case ISD::SIGN_EXTEND_INREG: 43705e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Result = PromoteOp(Node->getOperand(0)); 43715e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 43725e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner Node->getOperand(1)); 43735e3c5b4e13d45d631cddf42176b380f64fde918fChris Lattner break; 43748b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_TO_SINT: 43758b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::FP_TO_UINT: 43768b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 43778b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Legal: 43780b1b9dcf22745b533562134c2f0472098fe085fdEvan Cheng case Expand: 4379456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Node->getOperand(0); 43808b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43818b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case Promote: 43828b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input result is prerounded, so we don't have to do anything 43838b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // special. 43848b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 43858b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 43868b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 4387d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // If we're promoting a UINT to a larger size, check to see if the new node 4388d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // will be legal. If it isn't, check to see if FP_TO_SINT is legal, since 4389d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // we can use that instead. This allows us to generate better code for 4390d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // FP_TO_UINT for small destination sizes on targets where FP_TO_UINT is not 4391d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman // legal, such as PowerPC. 4392d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman if (Node->getOpcode() == ISD::FP_TO_UINT && 4393c9c60f6429416d362c2131b14d097ce0a9ac9599Chris Lattner !TLI.isOperationLegal(ISD::FP_TO_UINT, NVT) && 4394b7f6ef12f682c7068ca7513e088177a0d1046b35Nate Begeman (TLI.isOperationLegal(ISD::FP_TO_SINT, NVT) || 4395b7f6ef12f682c7068ca7513e088177a0d1046b35Nate Begeman TLI.getOperationAction(ISD::FP_TO_SINT, NVT)==TargetLowering::Custom)){ 4396d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Result = DAG.getNode(ISD::FP_TO_SINT, NVT, Tmp1); 4397d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } else { 4398d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4399d2558e3e4af2930730e2314868afd09ba005e282Nate Begeman } 44008b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 44018b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 44022c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FABS: 44032c8086f4b9916b2d02842be5e375276023225fbaChris Lattner case ISD::FNEG: 44042c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 44052c8086f4b9916b2d02842be5e375276023225fbaChris Lattner assert(Tmp1.getValueType() == NVT); 44062c8086f4b9916b2d02842be5e375276023225fbaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 44072c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // NOTE: we do not have to do any extra rounding here for 44082c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // NoExcessFPPrecision, because we know the input will have the appropriate 44092c8086f4b9916b2d02842be5e375276023225fbaChris Lattner // precision, and these operations don't modify precision at all. 44102c8086f4b9916b2d02842be5e375276023225fbaChris Lattner break; 44112c8086f4b9916b2d02842be5e375276023225fbaChris Lattner 44127794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 44137794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 44147794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 44157794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 44167794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 4417da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSQRT: 4418da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FSIN: 4419da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner case ISD::FCOS: 44202bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 44212bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 44222bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 44232bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 44242bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 4425da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4426da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner assert(Tmp1.getValueType() == NVT); 4427da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4428456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner if (NoExcessFPPrecision) 442915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 443015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 4431da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner break; 4432da6ba87d234a934409e8d8d5b131b7341ab4bf97Chris Lattner 44339d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOW: 44348b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner case ISD::FPOWI: { 44359d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng // Promote f32 pow(i) to f64 pow(i). Note that this could insert a libcall 44368b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner // directly as well, which may be better. 44378b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 44389d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Tmp2 = Node->getOperand(1); 44399d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng if (Node->getOpcode() == ISD::FPOW) 44409d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Tmp2 = PromoteOp(Tmp2); 44418b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner assert(Tmp1.getValueType() == NVT); 44429d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 44438b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner if (NoExcessFPPrecision) 44448b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 44458b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner DAG.getValueType(VT)); 44468b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner break; 44478b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner } 44488b2d42c9494a42c8b5b9e5c2e46c8001b89e75b5Chris Lattner 4449e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_8: 4450e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_16: 4451e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_32: 4452e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 445328873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node); 4454ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp2 = PromoteOp(Node->getOperand(2)); 4455ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp3 = PromoteOp(Node->getOperand(3)); 445628873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 445728873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getBasePtr(), Tmp2, Tmp3, 4458fd4418fc9b4725c44210c169c4d6500be468ca70Dan Gohman AtomNode->getSrcValue(), 445928873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getAlignment()); 4460ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Remember that we legalized the chain. 4461ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 4462ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 4463ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 4464e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_8: 4465e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_8: 4466e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_8: 4467e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_8: 4468e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_8: 4469e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_8: 4470e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_8: 4471e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_8: 4472e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_8: 4473e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_8: 4474e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_8: 4475e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_16: 4476e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_16: 4477e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_16: 4478e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_16: 4479e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_16: 4480e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_16: 4481e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_16: 4482e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_16: 4483e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_16: 4484e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_16: 4485e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_16: 4486e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_32: 4487e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_32: 4488e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_32: 4489e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_32: 4490e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_32: 4491e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_32: 4492e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_32: 4493e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_32: 4494e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_32: 4495e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_32: 4496e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_32: 4497e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 4498e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 4499e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 4500e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 4501e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 4502e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 4503e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MIN_64: 4504e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_MAX_64: 4505e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMIN_64: 4506e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_LOAD_UMAX_64: 4507e00a8a2a2e11a37fd1ddf2504bd22d225d0994d0Dale Johannesen case ISD::ATOMIC_SWAP_64: { 450828873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomicSDNode* AtomNode = cast<AtomicSDNode>(Node); 4509ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Tmp2 = PromoteOp(Node->getOperand(2)); 451028873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang Result = DAG.getAtomic(Node->getOpcode(), AtomNode->getChain(), 451128873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getBasePtr(), Tmp2, 4512fd4418fc9b4725c44210c169c4d6500be468ca70Dan Gohman AtomNode->getSrcValue(), 451328873106309db515d58889a4c4fa3e0a92d1b60eMon P Wang AtomNode->getAlignment()); 4514ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Remember that we legalized the chain. 4515ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 4516ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth break; 4517ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 4518ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 451903c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::AND: 452003c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::OR: 452103c8546ec57523970874917854a2fb77b1ff598eChris Lattner case ISD::XOR: 45220f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::ADD: 45238b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SUB: 45240f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner case ISD::MUL: 45250f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner // The input may have strange things in the top bits of the registers, but 452601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // these operations don't care. They may have weird bits going out, but 45270f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner // that too is okay if they are integer operations. 45280f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45290f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 45300f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); 45310f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 453201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner break; 453301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FADD: 453401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FSUB: 453501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FMUL: 453601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 453701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 453801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); 453901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 454001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner 454101b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // Floating point operations will give excess precision that we may not be 454201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // able to tolerate. If we DO allow excess precision, just leave it, 454301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // otherwise excise it. 45448b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // FIXME: Why would we need to round FP ops more than integer ones? 45458b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Is Round(Add(Add(A,B),C)) != Round(Add(Round(Add(A,B)), C)) 454601b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner if (NoExcessFPPrecision) 454715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 454815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 45490f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner break; 45500f69b2910810b7c0971a739f18b37fae2a20eca5Chris Lattner 45518b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SDIV: 45528b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SREM: 45538b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // These operators require that their input be sign extended. 45548b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45558b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 455683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NVT.isInteger()) { 455715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 455815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 455915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2, 456015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 45618b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner } 45628b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 45638b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 45648b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // Perform FP_ROUND: this is probably overly pessimistic. 456583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NVT.isFloatingPoint() && NoExcessFPPrecision) 456615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 456715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 45688b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 456901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FDIV: 457001b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner case ISD::FREM: 4571a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner case ISD::FCOPYSIGN: 457201b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // These operators require that their input be fp extended. 4573ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman switch (getTypeAction(Node->getOperand(0).getValueType())) { 45740bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Expand: assert(0 && "not implemented"); 45750bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Legal: Tmp1 = LegalizeOp(Node->getOperand(0)); break; 45760bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Promote: Tmp1 = PromoteOp(Node->getOperand(0)); break; 4577ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman } 4578ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman switch (getTypeAction(Node->getOperand(1).getValueType())) { 45790bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Expand: assert(0 && "not implemented"); 45800bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Legal: Tmp2 = LegalizeOp(Node->getOperand(1)); break; 45810bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner case Promote: Tmp2 = PromoteOp(Node->getOperand(1)); break; 4582ec57fd91af6be26a29535e7dd3dcb63beb71d898Nate Begeman } 458301b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 458401b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner 458501b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner // Perform FP_ROUND: this is probably overly pessimistic. 4586a09f848c11c9db3c2614e0275a3256310ac26653Chris Lattner if (NoExcessFPPrecision && Node->getOpcode() != ISD::FCOPYSIGN) 458701b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner Result = DAG.getNode(ISD::FP_ROUND_INREG, NVT, Result, 458801b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner DAG.getValueType(VT)); 458901b3d73c20f5afb8265ae943a8ba23c2238c5eeaChris Lattner break; 45908b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 45918b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UDIV: 45928b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::UREM: 45938b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // These operators require that their input be zero extended. 45948b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 45958b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); 459683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NVT.isInteger() && "Operators don't apply to FP!"); 459723993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 459823993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp2 = DAG.getZeroExtendInReg(Tmp2, VT); 45998b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); 46008b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46018b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner 46028b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SHL: 46038b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 4604456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SHL, NVT, Tmp1, Node->getOperand(1)); 46058b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46068b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SRA: 46078b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input value must be properly sign extended. 46088b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 460915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 461015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner DAG.getValueType(VT)); 4611456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRA, NVT, Tmp1, Node->getOperand(1)); 46128b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46138b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner case ISD::SRL: 46148b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner // The input value must be properly zero extended. 46158b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner Tmp1 = PromoteOp(Node->getOperand(0)); 461623993561e24b2a6eaf0e036062522ab825c30d3fChris Lattner Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 4617456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = DAG.getNode(ISD::SRL, NVT, Tmp1, Node->getOperand(1)); 46188b6fa22e722e1de7522aae51d6cdd0f552d489daChris Lattner break; 46190aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman 46200aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman case ISD::VAARG: 4621456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = Node->getOperand(0); // Get the chain. 4622456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp2 = Node->getOperand(1); // Get the pointer. 46230aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman if (TLI.getOperationAction(ISD::VAARG, VT) == TargetLowering::Custom) { 46240aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman Tmp3 = DAG.getVAArg(VT, Tmp1, Tmp2, Node->getOperand(2)); 4625126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands Result = TLI.LowerOperation(Tmp3, DAG); 46260aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman } else { 462769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); 4628475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); 46290aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Increment the pointer, VAList, to the next vaarg 46300aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, 463183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits()/8, 46320aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman TLI.getPointerTy())); 46330aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Store the incremented VAList to the legalized pointer 463469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); 46350aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Load the actual argument out of the pointer VAList 4636466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Result = DAG.getExtLoad(ISD::EXTLOAD, NVT, Tmp3, VAList, NULL, 0, VT); 46370aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman } 46380aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman // Remember that we legalized the chain. 4639456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 46400aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman break; 46410aed7840ec8cc85f91b4aa6e69318bba0cbd1f03Nate Begeman 4642466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng case ISD::LOAD: { 4643466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 464462f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng ISD::LoadExtType ExtType = ISD::isNON_EXTLoad(Node) 464562f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng ? ISD::EXTLOAD : LD->getExtensionType(); 464662f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng Result = DAG.getExtLoad(ExtType, NVT, 464762f2a3c7aa0eba3e7bc5e2d59e268c5e1f48fb46Evan Cheng LD->getChain(), LD->getBasePtr(), 464855b5708b6bbffc79cf133c31faa51d144bfc5d4aChris Lattner LD->getSrcValue(), LD->getSrcValueOffset(), 4649b625f2f8960de32bc973092aaee8ac62863006feDan Gohman LD->getMemoryVT(), 4650d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->isVolatile(), 4651d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman LD->getAlignment()); 46524c8f8f0481b26818d7810a6a585e7ecf52973e93Chris Lattner // Remember that we legalized the chain. 4653456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 46544c8f8f0481b26818d7810a6a585e7ecf52973e93Chris Lattner break; 4655466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 46568bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel case ISD::SELECT: { 465703c8546ec57523970874917854a2fb77b1ff598eChris Lattner Tmp2 = PromoteOp(Node->getOperand(1)); // Legalize the op0 465803c8546ec57523970874917854a2fb77b1ff598eChris Lattner Tmp3 = PromoteOp(Node->getOperand(2)); // Legalize the op1 46598bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel 466083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT2 = Tmp2.getValueType(); 46618bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel assert(VT2 == Tmp3.getValueType() 4662ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel && "PromoteOp SELECT: Operands 2 and 3 ValueTypes don't match"); 4663ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // Ensure that the resulting node is at least the same size as the operands' 4664ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // value types, because we cannot assume that TLI.getSetCCValueType() is 4665ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel // constant. 4666ba12f57ebea3a5b3d0711d194e4584937309bc8bScott Michel Result = DAG.getNode(ISD::SELECT, VT2, Node->getOperand(0), Tmp2, Tmp3); 466703c8546ec57523970874917854a2fb77b1ff598eChris Lattner break; 46688bf61e8c2a39bcf070c39848fea83eda57851ebbScott Michel } 46699373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case ISD::SELECT_CC: 46709373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp2 = PromoteOp(Node->getOperand(2)); // True 46719373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Tmp3 = PromoteOp(Node->getOperand(3)); // False 46729373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Result = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 4673456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Node->getOperand(1), Tmp2, Tmp3, Node->getOperand(4)); 46749373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 4675d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: 4676d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = Node->getOperand(0); 4677d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); 4678d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Tmp1 = DAG.getNode(ISD::BSWAP, NVT, Tmp1); 4679d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Result = DAG.getNode(ISD::SRL, NVT, Tmp1, 468083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 468183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.getSizeInBits(), 4682d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman TLI.getShiftAmountTy())); 4683d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 4684fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTPOP: 4685fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTTZ: 4686fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTLZ: 4687456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Zero extend the argument 4688456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Node->getOperand(0)); 4689fecf095292991bdf9396fec474011446107f9813Andrew Lenharth // Perform the larger operation, then subtract if needed. 4690fecf095292991bdf9396fec474011446107f9813Andrew Lenharth Tmp1 = DAG.getNode(Node->getOpcode(), NVT, Tmp1); 4691456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner switch(Node->getOpcode()) { 4692fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTPOP: 4693fecf095292991bdf9396fec474011446107f9813Andrew Lenharth Result = Tmp1; 4694fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4695fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTTZ: 4696456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // if Tmp1 == sizeinbits(NVT) then Tmp1 = sizeinbits(Old VT) 46975b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, 469883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits(), NVT), 4699b55757ec5f6f0218342a8910e1bbd9f018adc7d7Dan Gohman ISD::SETEQ); 470000b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SELECT, NVT, Tmp2, 470183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits(), NVT), Tmp1); 4702fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4703fecf095292991bdf9396fec474011446107f9813Andrew Lenharth case ISD::CTLZ: 4704fecf095292991bdf9396fec474011446107f9813Andrew Lenharth //Tmp1 = Tmp1 - (sizeinbits(NVT) - sizeinbits(Old VT)) 470500b16889ab461b7ecef1c91ade101186b7f1fce2Jeff Cohen Result = DAG.getNode(ISD::SUB, NVT, Tmp1, 470683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits() - 470783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.getSizeInBits(), NVT)); 4708fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 4709fecf095292991bdf9396fec474011446107f9813Andrew Lenharth } 4710fecf095292991bdf9396fec474011446107f9813Andrew Lenharth break; 47117f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 47127f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = PromoteOp(ExpandEXTRACT_SUBVECTOR(Op)); 47136595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 47144aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner case ISD::EXTRACT_VECTOR_ELT: 47154aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner Result = PromoteOp(ExpandEXTRACT_VECTOR_ELT(Op)); 47164aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner break; 471703c8546ec57523970874917854a2fb77b1ff598eChris Lattner } 471803c8546ec57523970874917854a2fb77b1ff598eChris Lattner 4719ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode() && "Didn't set a result!"); 4720456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 4721456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Make sure the result is itself legal. 4722456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = LegalizeOp(Result); 4723456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner 4724456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner // Remember that we promoted this! 472503c8546ec57523970874917854a2fb77b1ff598eChris Lattner AddPromotedOperand(Op, Result); 472603c8546ec57523970874917854a2fb77b1ff598eChris Lattner return Result; 472703c8546ec57523970874917854a2fb77b1ff598eChris Lattner} 47283e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 47297f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// ExpandEXTRACT_VECTOR_ELT - Expand an EXTRACT_VECTOR_ELT operation into 47307f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// a legal EXTRACT_VECTOR_ELT operation, scalar code, or memory traffic, 47317f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// based on the vector type. The return type of this matches the element type 47327f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// of the vector, which may not be legal for the target. 4733475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDValue Op) { 47341597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // We know that operand #0 is the Vec vector. If the index is a constant 47351597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // or if the invec is a supported hardware type, we can use it. Otherwise, 47361597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // lower to a store then an indexed load. 4737475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Vec = Op.getOperand(0); 4738475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = Op.getOperand(1); 47391597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 474083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT TVT = Vec.getValueType(); 474183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = TVT.getVectorNumElements(); 47421597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 47437f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman switch (TLI.getOperationAction(ISD::EXTRACT_VECTOR_ELT, TVT)) { 47447f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman default: assert(0 && "This action is not supported yet!"); 47457f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Custom: { 47467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Vec = LegalizeOp(Vec); 47477f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 4748475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = TLI.LowerOperation(Op, DAG); 4749ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp3.getNode()) 47507f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Tmp3; 47517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 47527f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 47537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Legal: 47547f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (isTypeLegal(TVT)) { 47557f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Vec = LegalizeOp(Vec); 47567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 4757844228a631f47bb39f71f617063831fb83c3843bChristopher Lamb return Op; 47587f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 47597f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 47600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 47610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "not vector type"); 47620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // fall thru to expand since vectors are by default are promote 47637f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case TargetLowering::Expand: 47647f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 47657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 47667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 47677f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (NumElems == 1) { 47681597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // This must be an access of the only element. Return it. 47697f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = ScalarizeVectorOp(Vec); 47707f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else if (!TLI.isTypeLegal(TVT) && isa<ConstantSDNode>(Idx)) { 477155030dc460ff43f382abcc977b3e45bab7d87826Nate Begeman unsigned NumLoElts = 1 << Log2_32(NumElems-1); 47727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); 4773475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 47741597221eace1c53ce5f84a7018397497d11a8393Chris Lattner SplitVectorOp(Vec, Lo, Hi); 4775f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (CIdx->getZExtValue() < NumLoElts) { 47761597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Vec = Lo; 47771597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } else { 47781597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Vec = Hi; 4779f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx = DAG.getConstant(CIdx->getZExtValue() - NumLoElts, 47807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Idx.getValueType()); 47811597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } 47827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 47831597221eace1c53ce5f84a7018397497d11a8393Chris Lattner // It's now an extract from the appropriate high or low part. Recurse. 47841597221eace1c53ce5f84a7018397497d11a8393Chris Lattner Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 47857f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = ExpandEXTRACT_VECTOR_ELT(Op); 47861597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } else { 47877f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Store the value to a temporary stack slot, then LOAD the scalar 47887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // element back out. 4789475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(Vec.getValueType()); 4790475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Vec, StackPtr, NULL, 0); 47917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 47927f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Add the offset to the index. 479383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned EltSize = Op.getValueType().getSizeInBits()/8; 47947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Idx = DAG.getNode(ISD::MUL, Idx.getValueType(), Idx, 47957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman DAG.getConstant(EltSize, Idx.getValueType())); 479690bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling 47978e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands if (Idx.getValueType().bitsGT(TLI.getPointerTy())) 4798f185e67844e6229e2b0fe9080a5f66fb01fb7f5aChris Lattner Idx = DAG.getNode(ISD::TRUNCATE, TLI.getPointerTy(), Idx); 479990bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling else 4800f185e67844e6229e2b0fe9080a5f66fb01fb7f5aChris Lattner Idx = DAG.getNode(ISD::ZERO_EXTEND, TLI.getPointerTy(), Idx); 480190bfc2d10520f9621309436c1c6928a59cd33616Bill Wendling 48027f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman StackPtr = DAG.getNode(ISD::ADD, Idx.getValueType(), Idx, StackPtr); 48037f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 48047f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Op = DAG.getLoad(Op.getValueType(), Ch, StackPtr, NULL, 0); 48051597221eace1c53ce5f84a7018397497d11a8393Chris Lattner } 48067f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Op; 48071597221eace1c53ce5f84a7018397497d11a8393Chris Lattner} 48081597221eace1c53ce5f84a7018397497d11a8393Chris Lattner 48097f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// ExpandEXTRACT_SUBVECTOR - Expand a EXTRACT_SUBVECTOR operation. For now 48106595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman/// we assume the operation can be split if it is not already legal. 4811475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandEXTRACT_SUBVECTOR(SDValue Op) { 48126595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // We know that operand #0 is the Vec vector. For now we assume the index 48136595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // is a constant and that the extracted result is a supported hardware type. 4814475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Vec = Op.getOperand(0); 4815475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = LegalizeOp(Op.getOperand(1)); 48166595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 481783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElems = Vec.getValueType().getVectorNumElements(); 48186595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 481983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (NumElems == Op.getValueType().getVectorNumElements()) { 48206595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // This must be an access of the desired vector length. Return it. 48217f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return Vec; 48226595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 48236595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 48246595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); 4825475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo, Hi; 48266595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman SplitVectorOp(Vec, Lo, Hi); 4827f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (CIdx->getZExtValue() < NumElems/2) { 48286595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Vec = Lo; 48296595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } else { 48306595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Vec = Hi; 4831f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx = DAG.getConstant(CIdx->getZExtValue() - NumElems/2, 4832f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman Idx.getValueType()); 48336595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 48346595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 48356595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman // It's now an extract from the appropriate high or low part. Recurse. 48366595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Op = DAG.UpdateNodeOperands(Op, Vec, Idx); 48377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman return ExpandEXTRACT_SUBVECTOR(Op); 48384aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner} 48394aab2f4ab50d2b04dc559c7b197f1de7612c896bChris Lattner 4840750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// LegalizeSetCCOperands - Attempts to create a legal LHS and RHS for a SETCC 4841750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// with condition CC on the current target. This usually involves legalizing 4842750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// or promoting the arguments. In the case where LHS and RHS must be expanded, 4843750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// there may be no choice but to create a new SetCC node to represent the 4844750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman/// legalized value of setcc lhs, rhs. In this case, the value is returned in 4845475871a144eb604ddaf37503397ba0941442e5fbDan Gohman/// LHS, and the SDValue returned in RHS has a nil SDNode value. 4846475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::LegalizeSetCCOperands(SDValue &LHS, 4847475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &RHS, 4848475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &CC) { 4849475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Result; 4850750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 4851750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (getTypeAction(LHS.getValueType())) { 4852750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case Legal: 4853750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = LegalizeOp(LHS); // LHS 4854750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = LegalizeOp(RHS); // RHS 4855750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 4856750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case Promote: 4857750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = PromoteOp(LHS); // LHS 4858750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = PromoteOp(RHS); // RHS 4859750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 4860750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If this is an FP compare, the operands have already been extended. 486183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (LHS.getValueType().isInteger()) { 486283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHS.getValueType(); 486383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 4864750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 4865750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Otherwise, we have to insert explicit sign or zero extends. Note 4866750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // that we could insert sign extends for ALL conditions, but zero extend 4867750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // is cheaper on many machines (an AND instead of two shifts), so prefer 4868750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // it. 4869750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman switch (cast<CondCodeSDNode>(CC)->get()) { 4870750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "Unknown integer comparison!"); 4871750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETEQ: 4872750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETNE: 4873750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGE: 4874750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGT: 4875750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULE: 4876750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULT: 4877750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // ALL of these operations will work if we either sign or zero extend 4878750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // the operands (including the unsigned comparisons!). Zero extend is 4879750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // usually a simpler/cheaper operation, so prefer it. 4880750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getZeroExtendInReg(Tmp1, VT); 4881750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getZeroExtendInReg(Tmp2, VT); 4882750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 4883750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGE: 4884750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGT: 4885750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLT: 4886750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLE: 4887750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp1, 4888750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman DAG.getValueType(VT)); 4889750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2, 4890750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman DAG.getValueType(VT)); 4891efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng Tmp1 = LegalizeOp(Tmp1); // Relegalize new nodes. 4892efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng Tmp2 = LegalizeOp(Tmp2); // Relegalize new nodes. 4893750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 4894750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 4895750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 4896750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 48972b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case Expand: { 489883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHS.getValueType(); 48992b49c500838666dd0186d021389d4dd70ffda240Evan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 49002b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // Expand into one or more soft-fp libcall(s). 49016518c6ed7ea609696304bbbe848342cacd001f12Evan Cheng RTLIB::Libcall LC1 = RTLIB::UNKNOWN_LIBCALL, LC2 = RTLIB::UNKNOWN_LIBCALL; 49022b49c500838666dd0186d021389d4dd70ffda240Evan Cheng switch (cast<CondCodeSDNode>(CC)->get()) { 49032b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETEQ: 49042b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOEQ: 490556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; 49062b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49072b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETNE: 49082b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUNE: 490956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UNE_F32 : RTLIB::UNE_F64; 49102b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49112b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETGE: 49122b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOGE: 491356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; 49142b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49152b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETLT: 49162b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOLT: 491756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 49182b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49192b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETLE: 49202b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOLE: 492156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; 49222b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49232b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETGT: 49242b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETOGT: 492556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; 49262b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49272b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUO: 4928d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; 4929d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng break; 49302b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETO: 49315efdecc030f1a71cdb5b49d97c6c1c45e68ff731Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::O_F32 : RTLIB::O_F64; 49322b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49332b49c500838666dd0186d021389d4dd70ffda240Evan Cheng default: 493456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; 49352b49c500838666dd0186d021389d4dd70ffda240Evan Cheng switch (cast<CondCodeSDNode>(CC)->get()) { 49362b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETONE: 49372b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // SETONE = SETOLT | SETOGT 493856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 49392b49c500838666dd0186d021389d4dd70ffda240Evan Cheng // Fallthrough 49402b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUGT: 494156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; 49422b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49432b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETUGE: 494456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; 49452b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49462b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETULT: 494756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; 49482b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 49492b49c500838666dd0186d021389d4dd70ffda240Evan Cheng case ISD::SETULE: 495056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; 49512b49c500838666dd0186d021389d4dd70ffda240Evan Cheng break; 495256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SETUEQ: 495356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng LC2 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; 495456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 49552b49c500838666dd0186d021389d4dd70ffda240Evan Cheng default: assert(0 && "Unsupported FP setcc!"); 49562b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 49572b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 4958f9516208e57364ab1e7d8748af1f59a2ea5fb572Duncan Sands 4959475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Dummy; 4960475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[2] = { LHS, RHS }; 4961ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Tmp1 = ExpandLibCall(LC1, DAG.getMergeValues(Ops, 2).getNode(), 4962b47b25cfda5aee910e128c89d08c630722eb480bReid Spencer false /*sign irrelevant*/, Dummy); 49632b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp2 = DAG.getConstant(0, MVT::i32); 4964d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng CC = DAG.getCondCode(TLI.getCmpLibcallCC(LC1)); 496556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng if (LC2 != RTLIB::UNKNOWN_LIBCALL) { 49665b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, 49675922f561c65968ef1865cc8434d191041e450602Nate Begeman CC); 4968ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif LHS = ExpandLibCall(LC2, DAG.getMergeValues(Ops, 2).getNode(), 4969b47b25cfda5aee910e128c89d08c630722eb480bReid Spencer false /*sign irrelevant*/, Dummy); 49705b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHS), LHS, Tmp2, 4971d385fd62cb43435b3ad70d789198d34bf148e579Evan Cheng DAG.getCondCode(TLI.getCmpLibcallCC(LC2))); 49722b49c500838666dd0186d021389d4dd70ffda240Evan Cheng Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp2); 4973475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 49742b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 497521cacc4de88098a6f2ccfcde18ccec0aa6654f3eEvan Cheng LHS = LegalizeOp(Tmp1); 49762b49c500838666dd0186d021389d4dd70ffda240Evan Cheng RHS = Tmp2; 49772b49c500838666dd0186d021389d4dd70ffda240Evan Cheng return; 49782b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 49792b49c500838666dd0186d021389d4dd70ffda240Evan Cheng 4980475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSLo, LHSHi, RHSLo, RHSHi; 4981750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman ExpandOp(LHS, LHSLo, LHSHi); 4982638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen ExpandOp(RHS, RHSLo, RHSHi); 4983638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen ISD::CondCode CCCode = cast<CondCodeSDNode>(CC)->get(); 4984638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen 4985638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen if (VT==MVT::ppcf128) { 4986638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // FIXME: This generated code sucks. We want to generate 4987e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen // FCMPU crN, hi1, hi2 4988638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // BNE crN, L: 4989e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen // FCMPU crN, lo1, lo2 4990638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen // The following can be improved, but not that much. 4991e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 4992e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen ISD::SETOEQ); 49935b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, CCCode); 4994638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp3 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); 4995e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 4996e2f2083f9ca6f9a9a9d7dbb75d59a779a0452f4aDale Johannesen ISD::SETUNE); 49975b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, CCCode); 4998638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp1 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); 4999638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp3); 5000475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 5001638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen break; 5002638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen } 5003638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen 5004638ccd52b9fa2d1d03a1e85992c09e2bf6800fc6Dale Johannesen switch (CCCode) { 5005750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETEQ: 5006750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETNE: 5007750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (RHSLo == RHSHi) 5008750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (ConstantSDNode *RHSCST = dyn_cast<ConstantSDNode>(RHSLo)) 5009750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (RHSCST->isAllOnesValue()) { 5010750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Comparison to -1. 5011750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::AND, LHSLo.getValueType(), LHSLo, LHSHi); 5012750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = RHSLo; 5013750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5014750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5015750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5016750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::XOR, LHSLo.getValueType(), LHSLo, RHSLo); 5017750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getNode(ISD::XOR, LHSLo.getValueType(), LHSHi, RHSHi); 5018750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp2); 5019750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = DAG.getConstant(0, Tmp1.getValueType()); 5020750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5021750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: 5022750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // If this is a comparison of the sign bit, just look at the top part. 5023750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // X > -1, x < 0 5024750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if (ConstantSDNode *CST = dyn_cast<ConstantSDNode>(RHS)) 5025750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman if ((cast<CondCodeSDNode>(CC)->get() == ISD::SETLT && 5026002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman CST->isNullValue()) || // X < 0 5027750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman (cast<CondCodeSDNode>(CC)->get() == ISD::SETGT && 5028750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman CST->isAllOnesValue())) { // X > -1 5029750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp1 = LHSHi; 5030750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman Tmp2 = RHSHi; 5031750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman break; 5032750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5033750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5034750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // FIXME: This generated code sucks. 5035750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman ISD::CondCode LowCC; 50362e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng switch (CCCode) { 5037750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman default: assert(0 && "Unknown integer setcc!"); 5038750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLT: 5039750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULT: LowCC = ISD::SETULT; break; 5040750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGT: 5041750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGT: LowCC = ISD::SETUGT; break; 5042750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETLE: 5043750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETULE: LowCC = ISD::SETULE; break; 5044750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETGE: 5045750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman case ISD::SETUGE: LowCC = ISD::SETUGE; break; 5046750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5047750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5048750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Tmp1 = lo(op1) < lo(op2) // Always unsigned comparison 5049750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // Tmp2 = hi(op1) < hi(op2) // Signedness depends on operands 5050750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // dest = hi(op1) == hi(op2) ? Tmp1 : Tmp2; 5051750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 5052750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // NOTE: on targets without efficient SELECT of bools, we can always use 5053750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman // this identity: (B1 ? B2 : B3) --> (B1 & B2)|(!B1&B3) 50542e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, false, true, NULL); 50555b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, 50565922f561c65968ef1865cc8434d191041e450602Nate Begeman LowCC, false, DagCombineInfo); 5057ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Tmp1.getNode()) 50585b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, LowCC); 50595b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 50602e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode, false, DagCombineInfo); 5061ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Tmp2.getNode()) 50625b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHSHi), LHSHi, 50635922f561c65968ef1865cc8434d191041e450602Nate Begeman RHSHi,CC); 50642e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng 5065ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif ConstantSDNode *Tmp1C = dyn_cast<ConstantSDNode>(Tmp1.getNode()); 5066ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif ConstantSDNode *Tmp2C = dyn_cast<ConstantSDNode>(Tmp2.getNode()); 5067002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman if ((Tmp1C && Tmp1C->isNullValue()) || 5068002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman (Tmp2C && Tmp2C->isNullValue() && 50692e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng (CCCode == ISD::SETLE || CCCode == ISD::SETGE || 50702e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode == ISD::SETUGE || CCCode == ISD::SETULE)) || 5071002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman (Tmp2C && Tmp2C->getAPIntValue() == 1 && 50722e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng (CCCode == ISD::SETLT || CCCode == ISD::SETGT || 50732e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng CCCode == ISD::SETUGT || CCCode == ISD::SETULT))) { 50742e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // low part is known false, returns high part. 50752e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // For LE / GE, if high part is known false, ignore the low part. 50762e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng // For LT / GT, if high part is known true, ignore the low part. 50772e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Tmp1 = Tmp2; 5078475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 50792e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng } else { 50805b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 50812e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng ISD::SETEQ, false, DagCombineInfo); 5082ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (!Result.getNode()) 50835b8f82e35b51bf007de07a7ca9347d804084ddf8Scott Michel Result=DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, 50845922f561c65968ef1865cc8434d191041e450602Nate Begeman ISD::SETEQ); 50852e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Result = LegalizeOp(DAG.getNode(ISD::SELECT, Tmp1.getValueType(), 50862e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Result, Tmp1, Tmp2)); 50872e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng Tmp1 = Result; 5088475871a144eb604ddaf37503397ba0941442e5fbDan Gohman Tmp2 = SDValue(); 50892e67781ef571f5daffd7e6c2f71750be122e0ac9Evan Cheng } 5090750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 5091750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman } 50922b49c500838666dd0186d021389d4dd70ffda240Evan Cheng } 5093750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman LHS = Tmp1; 5094750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman RHS = Tmp2; 5095750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman} 5096750ac1bdfa6f09bddfd9efce1d6360dde8fa74c0Nate Begeman 50977f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// LegalizeSetCCCondCode - Legalize a SETCC with given LHS and RHS and 50987f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// condition code CC on the current target. This routine assumes LHS and rHS 50997f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// have already been legalized by LegalizeSetCCOperands. It expands SETCC with 51007f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng/// illegal condition code into AND / OR of multiple SETCC values. 51017f042681764c6f8eae22781d8b4cb4c218a86b76Evan Chengvoid SelectionDAGLegalize::LegalizeSetCCCondCode(MVT VT, 51027f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue &LHS, SDValue &RHS, 51037f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue &CC) { 51047f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng MVT OpVT = LHS.getValueType(); 51057f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng ISD::CondCode CCCode = cast<CondCodeSDNode>(CC)->get(); 51067f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng switch (TLI.getCondCodeAction(CCCode, OpVT)) { 51077f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng default: assert(0 && "Unknown condition code action!"); 51087f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng case TargetLowering::Legal: 51097f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // Nothing to do. 51107f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng break; 51117f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng case TargetLowering::Expand: { 51127f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng ISD::CondCode CC1 = ISD::SETCC_INVALID, CC2 = ISD::SETCC_INVALID; 51137f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng unsigned Opc = 0; 51147f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng switch (CCCode) { 51157f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng default: assert(0 && "Don't know how to expand this condition!"); abort(); 5116e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOEQ: CC1 = ISD::SETEQ; CC2 = ISD::SETO; Opc = ISD::AND; break; 5117e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOGT: CC1 = ISD::SETGT; CC2 = ISD::SETO; Opc = ISD::AND; break; 5118e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOGE: CC1 = ISD::SETGE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5119e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOLT: CC1 = ISD::SETLT; CC2 = ISD::SETO; Opc = ISD::AND; break; 5120e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETOLE: CC1 = ISD::SETLE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5121e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETONE: CC1 = ISD::SETNE; CC2 = ISD::SETO; Opc = ISD::AND; break; 5122e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUEQ: CC1 = ISD::SETEQ; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5123e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUGT: CC1 = ISD::SETGT; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5124e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUGE: CC1 = ISD::SETGE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5125e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETULT: CC1 = ISD::SETLT; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5126e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETULE: CC1 = ISD::SETLE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 5127e7d238ea239e6ab8a2c60ecd27468f3cfc1bb08bDan Gohman case ISD::SETUNE: CC1 = ISD::SETNE; CC2 = ISD::SETUO; Opc = ISD::OR; break; 51287f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng // FIXME: Implement more expansions. 51297f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 51307f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng 51317f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue SetCC1 = DAG.getSetCC(VT, LHS, RHS, CC1); 51327f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng SDValue SetCC2 = DAG.getSetCC(VT, LHS, RHS, CC2); 51337f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng LHS = DAG.getNode(Opc, VT, SetCC1, SetCC2); 51347f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng RHS = SDValue(); 51357f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng CC = SDValue(); 51367f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng break; 51377f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 51387f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng } 51397f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng} 51407f042681764c6f8eae22781d8b4cb4c218a86b76Evan Cheng 51411401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// EmitStackConvert - Emit a store/load combination to the stack. This stores 51421401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// SrcOp to a stack slot of type SlotVT, truncating it if needed. It then does 51431401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// a load from the stack slot to DestVT, extending it if needed. 51441401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner/// The resultant code need not be legal. 5145475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp, 5146475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT SlotVT, 5147475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT) { 514835481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner // Create the stack frame object. 5149364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang unsigned SrcAlign = TLI.getTargetData()->getPrefTypeAlignment( 5150364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang SrcOp.getValueType().getTypeForMVT()); 5151475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FIPtr = DAG.CreateStackTemporary(SlotVT, SrcAlign); 5152364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 5153bbbbb9c3dd4160990f856854d16a3beaead1f354Dan Gohman FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr); 515469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman int SPFI = StackPtrFI->getIndex(); 5155364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 515683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SrcSize = SrcOp.getValueType().getSizeInBits(); 515783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned SlotSize = SlotVT.getSizeInBits(); 515883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned DestSize = DestVT.getSizeInBits(); 5159364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang unsigned DestAlign = TLI.getTargetData()->getPrefTypeAlignment( 5160364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang DestVT.getTypeForMVT()); 51611401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner 51621401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner // Emit a store to the stack slot. Use a truncstore if the input value is 51631401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner // later than DestVT. 5164475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store; 5165364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang 51661401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner if (SrcSize > SlotSize) 516769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, 5168a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, 5169a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman SlotVT, false, SrcAlign); 51701401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner else { 51711401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner assert(SrcSize == SlotSize && "Invalid store"); 517269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, 5173a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0, 5174364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang false, SrcAlign); 51751401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner } 517635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 517735481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner // Result is a load from the stack slot. 51781401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner if (SlotSize == DestSize) 5179364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang return DAG.getLoad(DestVT, Store, FIPtr, NULL, 0, false, DestAlign); 51801401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner 51811401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner assert(SlotSize < DestSize && "Unknown extension!"); 5182364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang return DAG.getExtLoad(ISD::EXTLOAD, DestVT, Store, FIPtr, NULL, 0, SlotVT, 5183364d73ddab43b699ab90240f11b7a2eb5cf69bd8Mon P Wang false, DestAlign); 518435481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner} 518535481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 5186475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) { 51874352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // Create a vector sized/aligned stack slot, store the value to element #0, 51884352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner // then load the whole vector back out. 5189475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackPtr = DAG.CreateStackTemporary(Node->getValueType(0)); 519069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 5191bbbbb9c3dd4160990f856854d16a3beaead1f354Dan Gohman FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(StackPtr); 519269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman int SPFI = StackPtrFI->getIndex(); 519369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 5194475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0), StackPtr, 5195a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 519669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, 5197a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(SPFI), 0); 51984352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner} 51994352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 52004352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner 5201ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner/// ExpandBUILD_VECTOR - Expand a BUILD_VECTOR node on targets that don't 520207a96765daedf180a7102d39fe56c499878312b7Dan Gohman/// support the operation, but do support the resultant vector type. 5203475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) { 5204ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5205ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // If the only non-undef value is the low element, turn this into a 520687100e0b83b808757bf44dabecd1d1048255d1adChris Lattner // SCALAR_TO_VECTOR node. If this is { X, X, X, X }, determine X. 5207033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng unsigned NumElems = Node->getNumOperands(); 5208ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner bool isOnlyLowElement = true; 5209475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SplatValue = Node->getOperand(0); 5210f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5211475871a144eb604ddaf37503397ba0941442e5fbDan Gohman // FIXME: it would be far nicer to change this into map<SDValue,uint64_t> 5212f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // and use a bitmask instead of a list of elements. 5213475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::vector<unsigned> > Values; 5214033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng Values[SplatValue].push_back(0); 52152eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner bool isConstant = true; 52162eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner if (!isa<ConstantFPSDNode>(SplatValue) && !isa<ConstantSDNode>(SplatValue) && 52172eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner SplatValue.getOpcode() != ISD::UNDEF) 52182eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner isConstant = false; 52192eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5220033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng for (unsigned i = 1; i < NumElems; ++i) { 5221475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue V = Node->getOperand(i); 522289a1b380a475cbe477e50ff4b94335596b37f21aChris Lattner Values[V].push_back(i); 5223033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (V.getOpcode() != ISD::UNDEF) 5224ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner isOnlyLowElement = false; 5225033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (SplatValue != V) 5226475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SplatValue = SDValue(0,0); 52272eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 52282eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If this isn't a constant element or an undef, we can't use a constant 52292eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // pool load. 52302eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner if (!isa<ConstantFPSDNode>(V) && !isa<ConstantSDNode>(V) && 52312eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner V.getOpcode() != ISD::UNDEF) 52322eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner isConstant = false; 5233ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5234ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5235ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (isOnlyLowElement) { 5236ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // If the low element is an undef too, then this whole things is an undef. 5237ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (Node->getOperand(0).getOpcode() == ISD::UNDEF) 5238ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner return DAG.getNode(ISD::UNDEF, Node->getValueType(0)); 5239ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Otherwise, turn this into a scalar_to_vector node. 5240ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner return DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), 5241ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Node->getOperand(0)); 5242ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5243ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 52442eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If all elements are constants, create a load from the constant pool. 5245ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (isConstant) { 524683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 5247ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner std::vector<Constant*> CV; 5248033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng for (unsigned i = 0, e = NumElems; i != e; ++i) { 5249ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (ConstantFPSDNode *V = 5250ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner dyn_cast<ConstantFPSDNode>(Node->getOperand(i))) { 52514fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman CV.push_back(const_cast<ConstantFP *>(V->getConstantFPValue())); 5252ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } else if (ConstantSDNode *V = 525302a260aa11a2e1b2c14335274d3c42ca3f3eabc0Chris Lattner dyn_cast<ConstantSDNode>(Node->getOperand(i))) { 52544fbd796a1251a27e6590765a0a34876f436a0af9Dan Gohman CV.push_back(const_cast<ConstantInt *>(V->getConstantIntValue())); 5255ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } else { 5256ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner assert(Node->getOperand(i).getOpcode() == ISD::UNDEF); 525702a260aa11a2e1b2c14335274d3c42ca3f3eabc0Chris Lattner const Type *OpNTy = 525883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands Node->getOperand(0).getValueType().getTypeForMVT(); 5259ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner CV.push_back(UndefValue::get(OpNTy)); 5260ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5261ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 52629d6565a5b1fbc4286d6ee638d8f47a3171a9ed7eReid Spencer Constant *CP = ConstantVector::get(CV); 5263475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(CP, TLI.getPointerTy()); 526450284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 526569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, 526650284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 526750284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 5268ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 52692eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5270ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (SplatValue.getNode()) { // Splat of one value? 52712eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Build the shuffle constant vector: <0, 0, 0, 0> 527283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems); 5273475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getConstant(0, MaskVT.getVectorElementType()); 5274475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::vector<SDValue> ZeroVec(NumElems, Zero); 5275475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SplatMask = DAG.getNode(ISD::BUILD_VECTOR, MaskVT, 5276bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &ZeroVec[0], ZeroVec.size()); 5277033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 52782eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // If the target supports VECTOR_SHUFFLE and this shuffle mask, use it. 52794352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (isShuffleLegal(Node->getValueType(0), SplatMask)) { 52802eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Get the splatted value into the low element of a vector register. 5281475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowValVec = 52822eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), SplatValue); 52832eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 52842eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner // Return shuffle(LowValVec, undef, <0,0,0,0>) 52852eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner return DAG.getNode(ISD::VECTOR_SHUFFLE, Node->getValueType(0), LowValVec, 52862eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner DAG.getNode(ISD::UNDEF, Node->getValueType(0)), 52872eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner SplatMask); 52882eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner } 52892eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner } 52902eb8653157ccd318b357af74bfd517c76ef166b8Chris Lattner 5291033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // If there are only two unique elements, we may be able to turn this into a 5292033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // vector shuffle. 5293033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng if (Values.size() == 2) { 5294f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Get the two values in deterministic order. 5295475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val1 = Node->getOperand(1); 5296475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Val2; 5297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::vector<unsigned> >::iterator MI = Values.begin(); 5298f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (MI->first != Val1) 5299f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = MI->first; 5300f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner else 5301f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = (++MI)->first; 5302f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5303f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // If Val1 is an undef, make sure end ends up as Val2, to ensure that our 5304f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // vector shuffle has the undef vector on the RHS. 5305f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (Val1.getOpcode() == ISD::UNDEF) 5306f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::swap(Val1, Val2); 5307f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5308033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // Build the shuffle constant vector: e.g. <0, 4, 0, 4> 530983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems); 531083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT MaskEltVT = MaskVT.getVectorElementType(); 5311475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::vector<SDValue> MaskVec(NumElems); 5312f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5313f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Set elements of the shuffle mask for Val1. 5314f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::vector<unsigned> &Val1Elts = Values[Val1]; 5315f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner for (unsigned i = 0, e = Val1Elts.size(); i != e; ++i) 5316f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val1Elts[i]] = DAG.getConstant(0, MaskEltVT); 5317f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5318f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // Set elements of the shuffle mask for Val2. 5319f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner std::vector<unsigned> &Val2Elts = Values[Val2]; 5320f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner for (unsigned i = 0, e = Val2Elts.size(); i != e; ++i) 5321f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner if (Val2.getOpcode() != ISD::UNDEF) 5322f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val2Elts[i]] = DAG.getConstant(NumElems, MaskEltVT); 5323f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner else 5324f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner MaskVec[Val2Elts[i]] = DAG.getNode(ISD::UNDEF, MaskEltVT); 5325f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner 5326475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShuffleMask = DAG.getNode(ISD::BUILD_VECTOR, MaskVT, 5327bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &MaskVec[0], MaskVec.size()); 5328033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 5329f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner // If the target supports SCALAR_TO_VECTOR and this shuffle mask, use it. 53304352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner if (TLI.isOperationLegal(ISD::SCALAR_TO_VECTOR, Node->getValueType(0)) && 53314352cc9e217e4482ad53f5a7b92c3543f569eb6eChris Lattner isShuffleLegal(Node->getValueType(0), ShuffleMask)) { 5332f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val1 = DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), Val1); 5333f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner Val2 = DAG.getNode(ISD::SCALAR_TO_VECTOR, Node->getValueType(0), Val2); 5334475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { Val1, Val2, ShuffleMask }; 5335033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng 5336033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng // Return shuffle(LoValVec, HiValVec, <0,1,0,1>) 5337f9d95c8835bc4f9072c33e1f9ebaa581a4d3268dChris Lattner return DAG.getNode(ISD::VECTOR_SHUFFLE, Node->getValueType(0), Ops, 3); 5338033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng } 5339033e6816668da71ff0866a61f5c0a7e7e795d069Evan Cheng } 5340ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5341ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Otherwise, we can't handle this case efficiently. Allocate a sufficiently 5342ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // aligned object on the stack, store each element into it, then load 5343ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // the result as a vector. 534483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Node->getValueType(0); 5345ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Create the stack frame object. 5346475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FIPtr = DAG.CreateStackTemporary(VT); 5347ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5348ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Emit a store of each element to the stack slot. 5349475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Stores; 535083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned TypeByteSize = Node->getOperand(0).getValueType().getSizeInBits()/8; 5351ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Store (in the right endianness) the elements to memory. 5352ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 5353ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Ignore undef elements. 5354ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (Node->getOperand(i).getOpcode() == ISD::UNDEF) continue; 5355ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5356841c882f5dae8c953ea99b5824108313549cfaf8Chris Lattner unsigned Offset = TypeByteSize*i; 5357ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5358475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Idx = DAG.getConstant(Offset, FIPtr.getValueType()); 5359ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner Idx = DAG.getNode(ISD::ADD, FIPtr.getValueType(), FIPtr, Idx); 5360ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5361786225adf09e606c795ef68a1f789c12f37869f2Evan Cheng Stores.push_back(DAG.getStore(DAG.getEntryNode(), Node->getOperand(i), Idx, 53628b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng NULL, 0)); 5363ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner } 5364ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5365475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StoreChain; 5366ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner if (!Stores.empty()) // Not all undef elements? 5367bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner StoreChain = DAG.getNode(ISD::TokenFactor, MVT::Other, 5368bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner &Stores[0], Stores.size()); 5369ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner else 5370ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner StoreChain = DAG.getEntryNode(); 5371ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 5372ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner // Result is a load from the stack slot. 5373466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng return DAG.getLoad(VT, StoreChain, FIPtr, NULL, 0); 5374ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner} 5375ce87215131efcc68dcf7fca61055ad783a7aeb0eChris Lattner 53765b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattnervoid SelectionDAGLegalize::ExpandShiftParts(unsigned NodeOp, 5377475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op, SDValue Amt, 5378475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi) { 53795b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner // Expand the subcomponents. 5380475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH; 53815b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner ExpandOp(Op, LHSL, LHSH); 53825b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 5383475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ops[] = { LHSL, LHSH, Amt }; 538483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = LHSL.getValueType(); 5385f9f37fc52c444e34bad7846729ae5481a65e0a53Chris Lattner Lo = DAG.getNode(NodeOp, DAG.getNodeValueTypes(VT, VT), 2, Ops, 3); 53865b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner Hi = Lo.getValue(1); 53875b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner} 53885b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 53895b359c6c4f052e41579ad7da9af37db4f54207d9Chris Lattner 5390e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// ExpandShift - Try to find a clever way to expand this shift operation out to 5391e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// smaller elements. If we can't find a way that is more efficient than a 5392e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// libcall on this target, return false. Otherwise, return true with the 5393e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner/// low-parts expanded into Lo and Hi. 5394475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanbool SelectionDAGLegalize::ExpandShift(unsigned Opc, SDValue Op,SDValue Amt, 5395475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Lo, SDValue &Hi) { 5396e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner assert((Opc == ISD::SHL || Opc == ISD::SRA || Opc == ISD::SRL) && 5397e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner "This is not a shift!"); 5398f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman 539983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(Op.getValueType()); 5400475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShAmt = LegalizeOp(Amt); 540183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShTy = ShAmt.getValueType(); 540283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned ShBits = ShTy.getSizeInBits(); 540383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned VTBits = Op.getValueType().getSizeInBits(); 540483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NVTBits = NVT.getSizeInBits(); 5405f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman 54067a3c85583d523edb90aa957a02385254957c6e37Chris Lattner // Handle the case when Amt is an immediate. 5407ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Amt.getNode())) { 5408f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Cst = CN->getZExtValue(); 5409f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman // Expand the incoming operand to be shifted, so that we have its parts 5410475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 5411f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman ExpandOp(Op, InL, InH); 5412f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman switch(Opc) { 5413f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SHL: 5414f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5415f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5416f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5417f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5418f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5419f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SHL, NVT, InL, DAG.getConstant(Cst-NVTBits,ShTy)); 5420ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5421ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = DAG.getConstant(0, NVT); 5422ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Hi = InL; 5423f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5424f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::SHL, NVT, InL, DAG.getConstant(Cst, ShTy)); 5425f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::OR, NVT, 5426f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(Cst, ShTy)), 5427f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(NVTBits-Cst, ShTy))); 5428f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5429f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5430f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SRL: 5431f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5432f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getConstant(0, NVT); 5433f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5434f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5435f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::SRL, NVT, InH, DAG.getConstant(Cst-NVTBits,ShTy)); 5436f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getConstant(0, NVT); 5437ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5438ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = InH; 5439ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Hi = DAG.getConstant(0, NVT); 5440f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5441f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::OR, NVT, 5442f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(Cst, ShTy)), 5443f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(NVTBits-Cst, ShTy))); 5444f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SRL, NVT, InH, DAG.getConstant(Cst, ShTy)); 5445f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5446f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5447f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman case ISD::SRA: 5448f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman if (Cst > VTBits) { 5449edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = Lo = DAG.getNode(ISD::SRA, NVT, InH, 5450f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(NVTBits-1, ShTy)); 5451f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else if (Cst > NVTBits) { 5452edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Lo = DAG.getNode(ISD::SRA, NVT, InH, 5453f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(Cst-NVTBits, ShTy)); 5454edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = DAG.getNode(ISD::SRA, NVT, InH, 5455f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getConstant(NVTBits-1, ShTy)); 5456ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner } else if (Cst == NVTBits) { 5457ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner Lo = InH; 5458edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman Hi = DAG.getNode(ISD::SRA, NVT, InH, 5459ee27f57a6a4dd7fa9259b3604f563907da1f65efChris Lattner DAG.getConstant(NVTBits-1, ShTy)); 5460f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } else { 5461f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Lo = DAG.getNode(ISD::OR, NVT, 5462f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SRL, NVT, InL, DAG.getConstant(Cst, ShTy)), 5463f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman DAG.getNode(ISD::SHL, NVT, InH, DAG.getConstant(NVTBits-Cst, ShTy))); 5464f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman Hi = DAG.getNode(ISD::SRA, NVT, InH, DAG.getConstant(Cst, ShTy)); 5465f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5466f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return true; 5467f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 5468f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman } 54690ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 54700ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Okay, the shift amount isn't constant. However, if we can tell that it is 54710ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // >= 32 or < 32, we can still simplify it, without knowing the actual value. 547291dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman APInt Mask = APInt::getHighBitsSet(ShBits, ShBits - Log2_32(NVTBits)); 547391dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman APInt KnownZero, KnownOne; 5474ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman DAG.ComputeMaskedBits(Amt, Mask, KnownZero, KnownOne); 54750ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 54769e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // If we know that if any of the high bits of the shift amount are one, then 54779e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // we can do this as a couple of simple shifts. 547891dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman if (KnownOne.intersects(Mask)) { 54790ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Mask out the high bit, which we know is set. 54800ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Amt = DAG.getNode(ISD::AND, Amt.getValueType(), Amt, 548191dc17ba4991e971c7e89e07642b10817aa28055Dan Gohman DAG.getConstant(~Mask, Amt.getValueType())); 54820ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 54830ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Expand the incoming operand to be shifted, so that we have its parts 5484475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 54850ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner ExpandOp(Op, InL, InH); 54860ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner switch(Opc) { 54870ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SHL: 54880ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getConstant(0, NVT); // Low part is zero. 54890ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SHL, NVT, InL, Amt); // High part from Lo part. 54900ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 54910ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRL: 54920ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getConstant(0, NVT); // Hi part is zero. 54930ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SRL, NVT, InH, Amt); // Lo part from Hi part. 54940ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 54950ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRA: 54960ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, InH, // Sign extend high part. 54970ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getConstant(NVTBits-1, Amt.getValueType())); 54980ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SRA, NVT, InH, Amt); // Lo part from Hi part. 54990ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55000ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 55010ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 55020ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55039e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // If we know that the high bits of the shift amount are all zero, then we can 55049e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman // do this as a couple of simple shifts. 55059e255b7df5a0a629920706e086e78ef89bf2f183Dan Gohman if ((KnownZero & Mask) == Mask) { 55060ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Compute 32-amt. 5507475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Amt2 = DAG.getNode(ISD::SUB, Amt.getValueType(), 55080ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getConstant(NVTBits, Amt.getValueType()), 55090ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Amt); 55100ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 55110ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner // Expand the incoming operand to be shifted, so that we have its parts 5512475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InL, InH; 55130ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner ExpandOp(Op, InL, InH); 55140ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner switch(Opc) { 55150ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SHL: 55160ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::SHL, NVT, InL, Amt); 55170ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::OR, NVT, 55180ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt), 55190ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt2)); 55200ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55210ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRL: 55220ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRL, NVT, InH, Amt); 55230ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::OR, NVT, 55240ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt), 55250ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt2)); 55260ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55270ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner case ISD::SRA: 55280ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, InH, Amt); 55290ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner Lo = DAG.getNode(ISD::OR, NVT, 55300ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SRL, NVT, InL, Amt), 55310ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner DAG.getNode(ISD::SHL, NVT, InH, Amt2)); 55320ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner return true; 55330ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 55340ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner } 55350ea26ca45b56b2b4cc1839cdbccc13a38b066969Chris Lattner 5536f1fe32e337cf825a27a57bb3e9fb847bc91a26ceNate Begeman return false; 5537e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner} 553877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner 55399c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner 554077e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// ExpandLibCall - Expand a node into a call to a libcall. If the result value 554177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// does not fit into a register, return the lo part and set the hi part to the 554277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// by-reg argument. If it does fit into a single register, return the result 554377e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner// and leave the Hi part unset. 5544475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, 5545475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned, SDValue &Hi) { 55466831a815999dde4cf801e2076e66b4943964daf2Chris Lattner assert(!IsLegalizingCall && "Cannot overlap legalization of calls!"); 55476831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // The input chain to this libcall is the entry node of the function. 55486831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalizing the call will automatically add the previous call to the 55496831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // dependence. 5550475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InChain = DAG.getEntryNode(); 55516831a815999dde4cf801e2076e66b4943964daf2Chris Lattner 555277e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner TargetLowering::ArgListTy Args; 555347857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer TargetLowering::ArgListEntry Entry; 555477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) { 555583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ArgVT = Node->getOperand(i).getValueType(); 555683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *ArgTy = ArgVT.getTypeForMVT(); 555747857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer Entry.Node = Node->getOperand(i); Entry.Ty = ArgTy; 5558d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov Entry.isSExt = isSigned; 555900fee65fd21f9615d1a604b8b7d42cd16a3f6b47Duncan Sands Entry.isZExt = !isSigned; 556047857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer Args.push_back(Entry); 556177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner } 5562056292fd738924f3f7703725d8f630983794b5a5Bill Wendling SDValue Callee = DAG.getExternalSymbol(TLI.getLibcallName(LC), 55630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getPointerTy()); 5564edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 55650d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner // Splice the libcall in wherever FindInputOutputChains tells us to. 556683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands const Type *RetTy = Node->getValueType(0).getTypeForMVT(); 5567475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::pair<SDValue,SDValue> CallInfo = 556886098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen TLI.LowerCallTo(InChain, RetTy, isSigned, !isSigned, false, false, 556986098bd6a63d2cdf0c9be9ef3151bd2728281fd7Dale Johannesen CallingConv::C, false, Callee, Args, DAG); 55700d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner 55716831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // Legalize the call sequence, starting with the chain. This will advance 55726831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // the LastCALLSEQ_END to the legalized version of the CALLSEQ_END node that 55736831a815999dde4cf801e2076e66b4943964daf2Chris Lattner // was added by LowerCallTo (guaranteeing proper serialization of calls). 55746831a815999dde4cf801e2076e66b4943964daf2Chris Lattner LegalizeOp(CallInfo.second); 5575475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 55760d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner switch (getTypeAction(CallInfo.first.getValueType())) { 557777e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner default: assert(0 && "Unknown thing"); 557877e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner case Legal: 5579456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Result = CallInfo.first; 558099c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner break; 558177e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner case Expand: 558299c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner ExpandOp(CallInfo.first, Result, Hi); 558399c25b86aa85b0093f24b2394a5aa37f66294b2bChris Lattner break; 558477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner } 558522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Result; 558622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 558722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 55887f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman/// LegalizeINT_TO_FP - Legalize a [US]INT_TO_FP operation. 55897f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman/// 55907f8613e5b8398b688080e3c944ab8c11593e1ed0Dan GohmanSDValue SelectionDAGLegalize:: 55917f8613e5b8398b688080e3c944ab8c11593e1ed0Dan GohmanLegalizeINT_TO_FP(SDValue Result, bool isSigned, MVT DestTy, SDValue Op) { 55927f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman bool isCustom = false; 55937f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Tmp1; 55947f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman switch (getTypeAction(Op.getValueType())) { 55957f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Legal: 55967f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman switch (TLI.getOperationAction(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 55977f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Op.getValueType())) { 55987f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman default: assert(0 && "Unknown operation action!"); 55997f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Custom: 56007f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman isCustom = true; 56017f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman // FALLTHROUGH 56027f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Legal: 56037f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = LegalizeOp(Op); 5604ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) 56057f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 56067f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman else 56077f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 56087f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy, Tmp1); 56097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (isCustom) { 56107f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = TLI.LowerOperation(Result, DAG); 5611ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp1.getNode()) Result = Tmp1; 56127f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 56137f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 56147f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Expand: 56157f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = ExpandLegalINT_TO_FP(isSigned, LegalizeOp(Op), DestTy); 56167f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 56177f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case TargetLowering::Promote: 56187f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = PromoteLegalINT_TO_FP(LegalizeOp(Op), DestTy, isSigned); 56197f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 56207f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 56217f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 56227f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Expand: 56237f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = ExpandIntToFP(isSigned, DestTy, Op); 56247f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 56257f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case Promote: 56267f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = PromoteOp(Op); 56277f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (isSigned) { 56287f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp1.getValueType(), 56297f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1, DAG.getValueType(Op.getValueType())); 56307f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } else { 56317f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Tmp1 = DAG.getZeroExtendInReg(Tmp1, 56327f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Op.getValueType()); 56337f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 5634ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) 56357f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.UpdateNodeOperands(Result, Tmp1); 56367f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman else 56377f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP : ISD::UINT_TO_FP, 56387f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy, Tmp1); 56397f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = LegalizeOp(Result); // The 'op' is not necessarily legal! 56407f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman break; 56417f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 56427f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return Result; 56437f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman} 564422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 56454c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng/// ExpandIntToFP - Expand a [US]INT_TO_FP operation. 56464c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng/// 5647475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize:: 5648475871a144eb604ddaf37503397ba0941442e5fbDan GohmanExpandIntToFP(bool isSigned, MVT DestTy, SDValue Source) { 564983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SourceVT = Source.getValueType(); 5650034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman bool ExpandSource = getTypeAction(SourceVT) == Expand; 565122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 56527f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman // Expand unsupported int-to-fp vector casts by unrolling them. 56537f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (DestTy.isVector()) { 56547f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (!ExpandSource) 56557f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return LegalizeOp(UnrollVectorOp(Source)); 56567f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT DestEltTy = DestTy.getVectorElementType(); 56577f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman if (DestTy.getVectorNumElements() == 1) { 56587f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Scalar = ScalarizeVectorOp(Source); 56597f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Result = LegalizeINT_TO_FP(SDValue(), isSigned, 56607f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestEltTy, Scalar); 56617f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman return DAG.getNode(ISD::BUILD_VECTOR, DestTy, Result); 56627f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 56637f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Lo, Hi; 56647f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SplitVectorOp(Source, Lo, Hi); 56657f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT SplitDestTy = MVT::getVectorVT(DestEltTy, 56667f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman DestTy.getVectorNumElements() / 2); 56677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue LoResult = LegalizeINT_TO_FP(SDValue(), isSigned, SplitDestTy, Lo); 56687f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue HiResult = LegalizeINT_TO_FP(SDValue(), isSigned, SplitDestTy, Hi); 5669efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng return LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, DestTy, LoResult, 5670efa533957dfdc29be6de3845158ebd5fa7391485Evan Cheng HiResult)); 56717f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman } 56727f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 56739845eb5b033db5ba5213d0b8dba958c1e168ccd3Evan Cheng // Special case for i32 source to take advantage of UINTTOFP_I32_F32, etc. 56749845eb5b033db5ba5213d0b8dba958c1e168ccd3Evan Cheng if (!isSigned && SourceVT != MVT::i32) { 567534bc178e4da0105f3a50a00cc06ca1193c529bcbDan Gohman // The integer value loaded will be incorrectly if the 'sign bit' of the 567622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // incoming integer is set. To handle this, we dynamically test to see if 567722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // it is set, and, if so, add a fudge factor. 5678475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi; 5679034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman if (ExpandSource) { 5680475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo; 5681034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman ExpandOp(Source, Lo, Hi); 5682034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Source = DAG.getNode(ISD::BUILD_PAIR, SourceVT, Lo, Hi); 5683034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } else { 5684034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman // The comparison for the sign bit will use the entire operand. 5685034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Hi = Source; 5686034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } 568722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 568853997b07451a28582a8bb55716e13fc1bcd5c838Dale Johannesen // Check to see if the target has a custom way to lower this. If so, use 568953997b07451a28582a8bb55716e13fc1bcd5c838Dale Johannesen // it. (Note we've already expanded the operand in this case.) 56901c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen switch (TLI.getOperationAction(ISD::UINT_TO_FP, SourceVT)) { 56911c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen default: assert(0 && "This action not implemented for this operation!"); 56921c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Legal: 56931c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Expand: 56941c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen break; // This case is handled below. 56951c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen case TargetLowering::Custom: { 56961c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::UINT_TO_FP, DestTy, 56971c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen Source), DAG); 56981c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen if (NV.getNode()) 56991c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen return LegalizeOp(NV); 57001c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen break; // The target decided this was legal after all 57011c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen } 57021c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen } 57031c15bf58a3700d40a6a88ac0ce14a2c99f111483Dale Johannesen 570422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If this is unsigned, and not supported, first perform the conversion to 570522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // signed, then adjust the result if the sign bit is set. 5706475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignedConv = ExpandIntToFP(true, DestTy, Source); 570722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5708475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignSet = DAG.getSetCC(TLI.getSetCCResultType(Hi), Hi, 570922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getConstant(0, Hi.getValueType()), 571022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner ISD::SETLT); 5711475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getIntPtrConstant(0), Four = DAG.getIntPtrConstant(4); 5712475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CstOffset = DAG.getNode(ISD::SELECT, Zero.getValueType(), 571322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner SignSet, Four, Zero); 571422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner uint64_t FF = 0x5f800000ULL; 571522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (TLI.isLittleEndian()) FF <<= 32; 571634bc178e4da0105f3a50a00cc06ca1193c529bcbDan Gohman static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF); 571722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5718475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy()); 571950284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 572022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); 572187a0f10dc7eff8cf5e83a754f75adf9cb3991435Dan Gohman Alignment = std::min(Alignment, 4u); 5722475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FudgeInReg; 572322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestTy == MVT::f32) 572469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, 572550284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 572650284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 57278e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands else if (DestTy.bitsGT(MVT::f32)) 57284c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // FIXME: Avoid the extend by construction the right constantpool? 5729118cd9dbbad3a47f37dc1b1529ef920e4d5e13f6Dale Johannesen FudgeInReg = DAG.getExtLoad(ISD::EXTLOAD, DestTy, DAG.getEntryNode(), 573069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman CPIdx, 57313069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getConstantPool(), 0, 573250284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman MVT::f32, false, Alignment); 57339e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen else 57349e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen assert(0 && "Unexpected conversion"); 57359e3d3abd937c9bb79d56d25ec0e0724c7cbba67cDale Johannesen 573683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SCVT = SignedConv.getValueType(); 57374c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng if (SCVT != DestTy) { 57384c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // Destination type needs to be expanded as well. The FADD now we are 57394c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng // constructing will be expanded into a libcall. 574083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (SCVT.getSizeInBits() != DestTy.getSizeInBits()) { 574183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(SCVT.getSizeInBits() * 2 == DestTy.getSizeInBits()); 5742d91446de7a89a22c8ea1cbfd40fe2528467a4ccbDan Gohman SignedConv = DAG.getNode(ISD::BUILD_PAIR, DestTy, 57434c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng SignedConv, SignedConv.getValue(1)); 57444c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng } 57454c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng SignedConv = DAG.getNode(ISD::BIT_CONVERT, DestTy, SignedConv); 57464c6cfad85e63e2dbe273431bdf20533b495c955dEvan Cheng } 574722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::FADD, DestTy, SignedConv, FudgeInReg); 574822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 574922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 575022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Check to see if the target has a custom way to lower this. If so, use it. 5751d91446de7a89a22c8ea1cbfd40fe2528467a4ccbDan Gohman switch (TLI.getOperationAction(ISD::SINT_TO_FP, SourceVT)) { 575222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "This action not implemented for this operation!"); 575322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 575422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Expand: 575522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // This case is handled below. 575622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: { 5757475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::SINT_TO_FP, DestTy, 575822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Source), DAG); 5759ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (NV.getNode()) 576022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return LegalizeOp(NV); 576122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // The target decided this was legal after all 576222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 576322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 576422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 576522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Expand the source, then glue it back together for the call. We must expand 576622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // the source in case it is shared (this pass of legalize must traverse it). 5767034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman if (ExpandSource) { 5768475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SrcLo, SrcHi; 5769034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman ExpandOp(Source, SrcLo, SrcHi); 5770034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman Source = DAG.getNode(ISD::BUILD_PAIR, SourceVT, SrcLo, SrcHi); 5771034f60ed24c53c1e37f7695965f782faec2dff2bDan Gohman } 577222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5773b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = isSigned ? 5774b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getSINTTOFP(SourceVT, DestTy) : 5775b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::getUINTTOFP(SourceVT, DestTy); 5776b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unknown int value type"); 5777b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands 57786831a815999dde4cf801e2076e66b4943964daf2Chris Lattner Source = DAG.getNode(ISD::SINT_TO_FP, DestTy, Source); 5779475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiPart; 5780ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDValue Result = ExpandLibCall(LC, Source.getNode(), isSigned, HiPart); 5781ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getValueType() != DestTy && HiPart.getNode()) 5782a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Result = DAG.getNode(ISD::BUILD_PAIR, DestTy, Result, HiPart); 5783a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman return Result; 578422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 578522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 578622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandLegalINT_TO_FP - This function is responsible for legalizing a 578722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// INT_TO_FP operation of the specified operand when the target requests that 578822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we expand it. At this point, we know that the result and operand types are 578922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target. 5790475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned, 5791475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0, 5792475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT) { 579322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (Op0.getValueType() == MVT::i32) { 579422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // simple 32-bit [signed|unsigned] integer to float/double expansion 579522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 579623594d4537fb88a963c6d6993af5027eac9bfbacChris Lattner // Get the stack frame index of a 8 byte buffer. 5797475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue StackSlot = DAG.CreateStackTemporary(MVT::f64); 579823594d4537fb88a963c6d6993af5027eac9bfbacChris Lattner 579922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // word offset constant for Hi/Lo address computation 5800475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue WordOff = DAG.getConstant(sizeof(int), TLI.getPointerTy()); 580122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // set up Hi and Lo (into buffer) address based on endian 5802475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Hi = StackSlot; 5803475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Lo = DAG.getNode(ISD::ADD, TLI.getPointerTy(), StackSlot,WordOff); 5804408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner if (TLI.isLittleEndian()) 5805408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner std::swap(Hi, Lo); 5806408c428096df3a3970a8387f9dd258ae948663a6Chris Lattner 580722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // if signed map to unsigned space 5808475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0Mapped; 580922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (isSigned) { 581022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // constant used to invert sign bit (signed to unsigned mapping) 5811475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignBit = DAG.getConstant(0x80000000u, MVT::i32); 581222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op0Mapped = DAG.getNode(ISD::XOR, MVT::i32, Op0, SignBit); 581322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } else { 581422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op0Mapped = Op0; 581522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 581622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // store the lo of the constructed double - based on integer input 5817475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store1 = DAG.getStore(DAG.getEntryNode(), 58188b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng Op0Mapped, Lo, NULL, 0); 581922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // initial hi portion of constructed double 5820475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InitialHi = DAG.getConstant(0x43300000u, MVT::i32); 582122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // store the hi of the constructed double - biased exponent 5822475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Store2=DAG.getStore(Store1, InitialHi, Hi, NULL, 0); 582322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // load the constructed double 5824475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Load = DAG.getLoad(MVT::f64, Store2, StackSlot, NULL, 0); 582522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FP constant to bias correct the final result 5826475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Bias = DAG.getConstantFP(isSigned ? 582722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner BitsToDouble(0x4330000080000000ULL) 582822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner : BitsToDouble(0x4330000000000000ULL), 582922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner MVT::f64); 583022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // subtract the bias 5831475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Sub = DAG.getNode(ISD::FSUB, MVT::f64, Load, Bias); 583222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // final result 5833475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 583422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // handle final rounding 583522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestVT == MVT::f64) { 583622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // do nothing 583722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Result = Sub; 58388e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands } else if (DestVT.bitsLT(MVT::f64)) { 58390bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner Result = DAG.getNode(ISD::FP_ROUND, DestVT, Sub, 58400bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(0)); 58418e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands } else if (DestVT.bitsGT(MVT::f64)) { 5842118cd9dbbad3a47f37dc1b1529ef920e4d5e13f6Dale Johannesen Result = DAG.getNode(ISD::FP_EXTEND, DestVT, Sub); 584322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 584422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Result; 584522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 584622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner assert(!isSigned && "Legalize cannot Expand SINT_TO_FP for i64 yet"); 5847475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1 = DAG.getNode(ISD::SINT_TO_FP, DestVT, Op0); 584822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5849475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SignSet = DAG.getSetCC(TLI.getSetCCResultType(Op0), Op0, 585022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getConstant(0, Op0.getValueType()), 585122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner ISD::SETLT); 5852475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Zero = DAG.getIntPtrConstant(0), Four = DAG.getIntPtrConstant(4); 5853475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CstOffset = DAG.getNode(ISD::SELECT, Zero.getValueType(), 585422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner SignSet, Four, Zero); 585522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 585622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the sign bit of the integer is set, the large number will be treated 585722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // as a negative number. To counteract this, the dynamic code adds an 585822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // offset depending on the data type. 585922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner uint64_t FF; 586083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands switch (Op0.getValueType().getSimpleVT()) { 586122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Unsupported integer type!"); 586222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i8 : FF = 0x43800000ULL; break; // 2^8 (as a float) 586322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i16: FF = 0x47800000ULL; break; // 2^16 (as a float) 586422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i32: FF = 0x4F800000ULL; break; // 2^32 (as a float) 586522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i64: FF = 0x5F800000ULL; break; // 2^64 (as a float) 586622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 586722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (TLI.isLittleEndian()) FF <<= 32; 586847857812e29324a9d1560796a05b53d3a9217fd9Reid Spencer static Constant *FudgeFactor = ConstantInt::get(Type::Int64Ty, FF); 586922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 5870475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CPIdx = DAG.getConstantPool(FudgeFactor, TLI.getPointerTy()); 587150284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman unsigned Alignment = 1 << cast<ConstantPoolSDNode>(CPIdx)->getAlignment(); 587222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); 587387a0f10dc7eff8cf5e83a754f75adf9cb3991435Dan Gohman Alignment = std::min(Alignment, 4u); 5874475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue FudgeInReg; 587522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (DestVT == MVT::f32) 587669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, 587750284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman PseudoSourceValue::getConstantPool(), 0, 587850284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman false, Alignment); 587922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner else { 588069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman FudgeInReg = 588169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman LegalizeOp(DAG.getExtLoad(ISD::EXTLOAD, DestVT, 588269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman DAG.getEntryNode(), CPIdx, 58833069b8743769527ce7af6cfb6591a2f0fc2faee4Dan Gohman PseudoSourceValue::getConstantPool(), 0, 588450284d81f863a6576582e1a171a22eb0f012ddf3Dan Gohman MVT::f32, false, Alignment)); 588522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 588622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 588722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::FADD, DestVT, Tmp1, FudgeInReg); 588822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 588922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 589022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// PromoteLegalINT_TO_FP - This function is responsible for legalizing a 589122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// *INT_TO_FP operation of the specified operand when the target requests that 589222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we promote it. At this point, we know that the result and operand types are 589322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target, and that there is a legal UINT_TO_FP or SINT_TO_FP 589422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// operation that takes a larger input. 5895475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteLegalINT_TO_FP(SDValue LegalOp, 5896475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT, 5897475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned) { 589822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // First step, figure out the appropriate *INT_TO_FP operation to use. 589983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewInTy = LegalOp.getValueType(); 590022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 590122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner unsigned OpToUse = 0; 590222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 590322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Scan for the appropriate larger type to use. 590422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner while (1) { 590583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewInTy = (MVT::SimpleValueType)(NewInTy.getSimpleVT()+1); 590683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewInTy.isInteger() && "Ran out of possibilities!"); 590722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 590822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports SINT_TO_FP of this type, use it. 590922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::SINT_TO_FP, NewInTy)) { 591022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 591122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 591222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewInTy)) 591322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 591422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 591522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 591622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::SINT_TO_FP; 591722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 591822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 591922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 592022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (isSigned) continue; 592122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 592222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports UINT_TO_FP of this type, use it. 592322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::UINT_TO_FP, NewInTy)) { 592422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 592522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 592622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewInTy)) 592722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 592822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 592922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 593022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::UINT_TO_FP; 593122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 593222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 593322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 593422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 593522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Otherwise, try a larger type. 593622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 593722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 593822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Okay, we found the operation and type to use. Zero extend our input to the 593922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // desired type then run the operation on it. 594022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(OpToUse, DestVT, 594122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(isSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, 594222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner NewInTy, LegalOp)); 594377e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner} 594477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner 594522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// PromoteLegalFP_TO_INT - This function is responsible for legalizing a 594622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// FP_TO_*INT operation of the specified operand when the target requests that 594722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// we promote it. At this point, we know that the result and operand types are 594822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// legal for the target, and that there is a legal FP_TO_UINT or FP_TO_SINT 594922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// operation that returns a larger result. 5950475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::PromoteLegalFP_TO_INT(SDValue LegalOp, 5951475871a144eb604ddaf37503397ba0941442e5fbDan Gohman MVT DestVT, 5952475871a144eb604ddaf37503397ba0941442e5fbDan Gohman bool isSigned) { 595322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // First step, figure out the appropriate FP_TO*INT operation to use. 595483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewOutTy = DestVT; 59559c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattner 595622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner unsigned OpToUse = 0; 5957e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner 595822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Scan for the appropriate larger type to use. 595922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner while (1) { 596083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands NewOutTy = (MVT::SimpleValueType)(NewOutTy.getSimpleVT()+1); 596183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(NewOutTy.isInteger() && "Ran out of possibilities!"); 596266de05b606cf31f1f23ed0c4eb1f097738cd1506Chris Lattner 596322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports FP_TO_SINT returning this type, use it. 596422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::FP_TO_SINT, NewOutTy)) { 596522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 596622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 596722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewOutTy)) 596822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 596922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 597022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 597122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::FP_TO_SINT; 597222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 597322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 597422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 5975e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner 597622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If the target supports FP_TO_UINT of this type, use it. 597722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (TLI.getOperationAction(ISD::FP_TO_UINT, NewOutTy)) { 597822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: break; 597922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Legal: 598022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isTypeLegal(NewOutTy)) 598122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; // Can't use this datatype. 598222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // FALL THROUGH. 598322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case TargetLowering::Custom: 598422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner OpToUse = ISD::FP_TO_UINT; 598522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner break; 5986e9c35e7309a8293852ba71d874fa4dc99e07e6feChris Lattner } 598722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (OpToUse) break; 59880d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner 598922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // Otherwise, try a larger type. 5990a88a260dbd874a3bdd3e47f4f15ab0d7c7803044Chris Lattner } 5991a88a260dbd874a3bdd3e47f4f15ab0d7c7803044Chris Lattner 599227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner 599327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Okay, we found the operation and type to use. 5994475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Operation = DAG.getNode(OpToUse, NewOutTy, LegalOp); 5995126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 599627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // If the operation produces an invalid type, it must be custom lowered. Use 599727a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // the target lowering hooks to expand it. Just keep the low part of the 599827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // expanded operation, we know that we're truncating anyway. 599927a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner if (getTypeAction(NewOutTy) == Expand) { 6000ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Operation = SDValue(TLI.ReplaceNodeResults(Operation.getNode(), DAG), 0); 6001ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Operation.getNode() && "Didn't return anything"); 600227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner } 6003126d90770bdb17e6925b2fe26de99aa079b7b9b3Duncan Sands 600427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Truncate the result of the extended FP_TO_*INT operation to the desired 600527a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // size. 600627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner return DAG.getNode(ISD::TRUNCATE, DestVT, Operation); 600722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 600813689e2009e71f7982d1313ed699e0e6a50157d0Chris Lattner 600922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandBSWAP - Open code the operations for BSWAP of the specified operation. 601022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// 6011475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBSWAP(SDValue Op) { 601283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 601383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SHVT = TLI.getShiftAmountTy(); 6014475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp1, Tmp2, Tmp3, Tmp4, Tmp5, Tmp6, Tmp7, Tmp8; 601583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands switch (VT.getSimpleVT()) { 601622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Unhandled Expand type in BSWAP!"); abort(); 601722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i16: 601822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 601922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 602022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp1, Tmp2); 602122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i32: 602222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(24, SHVT)); 602322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 602422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 602522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(24, SHVT)); 602622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::AND, VT, Tmp3, DAG.getConstant(0xFF0000, VT)); 602722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::AND, VT, Tmp2, DAG.getConstant(0xFF00, VT)); 602822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); 602922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); 603022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); 603122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case MVT::i64: 603222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(56, SHVT)); 603322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp7 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(40, SHVT)); 603422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(24, SHVT)); 603522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp5 = DAG.getNode(ISD::SHL, VT, Op, DAG.getConstant(8, SHVT)); 603622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(8, SHVT)); 603722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(24, SHVT)); 603822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(40, SHVT)); 603922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp1 = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(56, SHVT)); 604022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp7 = DAG.getNode(ISD::AND, VT, Tmp7, DAG.getConstant(255ULL<<48, VT)); 604122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::AND, VT, Tmp6, DAG.getConstant(255ULL<<40, VT)); 604222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp5 = DAG.getNode(ISD::AND, VT, Tmp5, DAG.getConstant(255ULL<<32, VT)); 604322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::AND, VT, Tmp4, DAG.getConstant(255ULL<<24, VT)); 604422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp3 = DAG.getNode(ISD::AND, VT, Tmp3, DAG.getConstant(255ULL<<16, VT)); 604522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::AND, VT, Tmp2, DAG.getConstant(255ULL<<8 , VT)); 604622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp7); 604722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp6 = DAG.getNode(ISD::OR, VT, Tmp6, Tmp5); 604822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); 604922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); 605022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp6); 605122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); 605222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::OR, VT, Tmp8, Tmp4); 60530d67f0c80f0295aa44f826ec1402ea73d6b4bd22Chris Lattner } 605477e77a6aa0ab25a812947aed477220dd11220a18Chris Lattner} 6055edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 605622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// ExpandBitCount - Expand the specified bitcount instruction into operations. 605722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner/// 6058475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ExpandBitCount(unsigned Opc, SDValue Op) { 605922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner switch (Opc) { 606022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner default: assert(0 && "Cannot expand this yet!"); 606122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTPOP: { 606222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner static const uint64_t mask[6] = { 606322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x5555555555555555ULL, 0x3333333333333333ULL, 606422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x0F0F0F0F0F0F0F0FULL, 0x00FF00FF00FF00FFULL, 606522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner 0x0000FFFF0000FFFFULL, 0x00000000FFFFFFFFULL 606622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner }; 606783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 606883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShVT = TLI.getShiftAmountTy(); 606983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned len = VT.getSizeInBits(); 607022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner for (unsigned i = 0; (1U << i) <= (len / 2); ++i) { 607122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner //x = (x & mask[i][len/8]) + (x >> (1 << i) & mask[i][len/8]) 6072475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = DAG.getConstant(mask[i], VT); 6073475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getConstant(1ULL << i, ShVT); 607422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::ADD, VT, DAG.getNode(ISD::AND, VT, Op, Tmp2), 607522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::AND, VT, 607622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::SRL, VT, Op, Tmp3),Tmp2)); 607722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 607822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return Op; 607922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 608022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTLZ: { 608122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // for now, we do this: 608222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >> 1); 608322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >> 2); 608422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // ... 608522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >>16); 608622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // x = x | (x >>32); // for 64-bit input 608722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // return popcount(~x); 608822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // 608922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // but see also: http://www.hackersdelight.org/HDcode/nlz.cc 609083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 609183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT ShVT = TLI.getShiftAmountTy(); 609283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned len = VT.getSizeInBits(); 609322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner for (unsigned i = 0; (1U << i) <= (len / 2); ++i) { 6094475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getConstant(1ULL << i, ShVT); 609522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::OR, VT, Op, DAG.getNode(ISD::SRL, VT, Op, Tmp3)); 609622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 609722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner Op = DAG.getNode(ISD::XOR, VT, Op, DAG.getConstant(~0ULL, VT)); 609822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::CTPOP, VT, Op); 609922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 610022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner case ISD::CTTZ: { 610122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // for now, we use: { return popcount(~x & (x - 1)); } 610222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // unless the target has ctlz but not ctpop, in which case we use: 610322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // { return 32 - nlz(~x & (x-1)); } 610422cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // see also http://www.hackersdelight.org/HDcode/ntz.cc 610583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 6106475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp2 = DAG.getConstant(~0ULL, VT); 6107475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp3 = DAG.getNode(ISD::AND, VT, 610822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::XOR, VT, Op, Tmp2), 610922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::SUB, VT, Op, DAG.getConstant(1, VT))); 611022cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner // If ISD::CTLZ is legal and CTPOP isn't, then do that instead. 611122cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner if (!TLI.isOperationLegal(ISD::CTPOP, VT) && 611222cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner TLI.isOperationLegal(ISD::CTLZ, VT)) 611322cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::SUB, VT, 611483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(VT.getSizeInBits(), VT), 611522cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner DAG.getNode(ISD::CTLZ, VT, Tmp3)); 611622cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner return DAG.getNode(ISD::CTPOP, VT, Tmp3); 611722cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 611822cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner } 611922cde6a518782cafc2115ad8d8233f79c9e9d52eChris Lattner} 6120e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 6121475871a144eb604ddaf37503397ba0941442e5fbDan Gohman/// ExpandOp - Expand the specified SDValue into its two component pieces 61223e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// Lo&Hi. Note that the Op MUST be an expanded type. As a result of this, the 6123929d3eb171cd95a7fb353ef71a460d2061be4e6cDan Gohman/// LegalizedNodes map is filled in for any results that are not expanded, the 61243e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// ExpandedNodes map is filled in for any results that are expanded, and the 61253e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner/// Lo/Hi values are returned. 6126475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::ExpandOp(SDValue Op, SDValue &Lo, SDValue &Hi){ 612783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT = Op.getValueType(); 612883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NVT = TLI.getTypeToTransformTo(VT); 6129ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 61303e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(getTypeAction(VT) == Expand && "Not an expanded type!"); 61318e4eb09b1e3571965f49edcdfb56b1375b1b7551Duncan Sands assert(((NVT.isInteger() && NVT.bitsLT(VT)) || VT.isFloatingPoint() || 613283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands VT.isVector()) && "Cannot expand to FP value or to larger int value!"); 61333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 61346fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner // See if we already expanded it. 6135475871a144eb604ddaf37503397ba0941442e5fbDan Gohman DenseMap<SDValue, std::pair<SDValue, SDValue> >::iterator I 61366fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner = ExpandedNodes.find(Op); 61376fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner if (I != ExpandedNodes.end()) { 61386fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner Lo = I->second.first; 61396fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner Hi = I->second.second; 61406fdcb250d5692235813b30274cdfcd0e76377f00Chris Lattner return; 61413e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 61423e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 61433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner switch (Node->getOpcode()) { 6144348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner case ISD::CopyFromReg: 6145348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner assert(0 && "CopyFromReg must be legal!"); 61466eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen case ISD::FP_ROUND_INREG: 61476eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen if (VT == MVT::ppcf128 && 61486eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen TLI.getOperationAction(ISD::FP_ROUND_INREG, VT) == 61496eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen TargetLowering::Custom) { 6150475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue SrcLo, SrcHi, Src; 6151fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen ExpandOp(Op.getOperand(0), SrcLo, SrcHi); 6152fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen Src = DAG.getNode(ISD::BUILD_PAIR, VT, SrcLo, SrcHi); 6153475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = TLI.LowerOperation( 6154fcf4d24ffbba0935de3e8371cfd52fc3d6980789Dale Johannesen DAG.getNode(ISD::FP_ROUND_INREG, VT, Src, Op.getOperand(1)), DAG); 6155ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Result.getNode()->getOpcode() == ISD::BUILD_PAIR); 6156ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Lo = Result.getNode()->getOperand(0); 6157ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = Result.getNode()->getOperand(1); 61586eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen break; 61596eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen } 61606eaeff29b8a6990107735f7e5f5e49da38f56223Dale Johannesen // fall through 6161348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner default: 6162e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 616339833585556a69de12053ca1e104fe7edfd86cbdDan Gohman cerr << "NODE: "; Node->dump(&DAG); cerr << "\n"; 6164e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 61653e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner assert(0 && "Do not know how to expand this operator!"); 61663e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner abort(); 61671953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman case ISD::EXTRACT_ELEMENT: 61681953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman ExpandOp(Node->getOperand(0), Lo, Hi); 6169f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue()) 61701953ecb0a6fc8520b34b52fd04f7476a7eb4613fDan Gohman return ExpandOp(Hi, Lo, Hi); 617118714aeaed2a74bfc85dc5abe24a9193882406c5Dan Gohman return ExpandOp(Lo, Lo, Hi); 617225f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen case ISD::EXTRACT_VECTOR_ELT: 617325f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen // ExpandEXTRACT_VECTOR_ELT tolerates invalid result types. 617425f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen Lo = ExpandEXTRACT_VECTOR_ELT(Op); 617525f1d08619720b82e7c944b18eee488fc07ba153Dale Johannesen return ExpandOp(Lo, Lo, Hi); 6176fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman case ISD::UNDEF: 6177fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Lo = DAG.getNode(ISD::UNDEF, NVT); 6178fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman Hi = DAG.getNode(ISD::UNDEF, NVT); 6179fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman break; 61803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::Constant: { 618183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NVTBits = NVT.getSizeInBits(); 6182050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman const APInt &Cst = cast<ConstantSDNode>(Node)->getAPIntValue(); 6183050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman Lo = DAG.getConstant(APInt(Cst).trunc(NVTBits), NVT); 6184050f550aeb3938d8e202156473fac5eabf0fa703Dan Gohman Hi = DAG.getConstant(Cst.lshr(NVTBits).trunc(NVTBits), NVT); 61853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 61863e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 6187004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng case ISD::ConstantFP: { 6188004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node); 6189a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen if (CFP->getValueType(0) == MVT::ppcf128) { 61907111b02c734c992b8c97d9918118768026dad79eDale Johannesen APInt api = CFP->getValueAPF().bitcastToAPInt(); 6191a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &api.getRawData()[1])), 6192a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen MVT::f64); 6193a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen Hi = DAG.getConstantFP(APFloat(APInt(64, 1, &api.getRawData()[0])), 6194a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen MVT::f64); 6195a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen break; 6196a471c2ecda37cd1bae0d94e832f002caa7b63216Dale Johannesen } 6197279101eb1ac61e2d5b83d5bdcc5be56e710d2cd7Evan Cheng Lo = ExpandConstantFP(CFP, false, DAG, TLI); 61989f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (getTypeAction(Lo.getValueType()) == Expand) 61999f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng ExpandOp(Lo, Lo, Hi); 6200004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng break; 6201004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 6202d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner case ISD::BUILD_PAIR: 62038137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Return the operands. 62048137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = Node->getOperand(0); 62058137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = Node->getOperand(1); 6206d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner break; 620727a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner 620827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner case ISD::MERGE_VALUES: 6209c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner if (Node->getNumValues() == 1) { 6210c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner ExpandOp(Op.getOperand(0), Lo, Hi); 6211c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner break; 6212c58d558a79c3638c23d8fd09d89accff33285653Chris Lattner } 621327a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // FIXME: For now only expand i64,chain = MERGE_VALUES (x, y) 621499a6cb92d173c142073416c81efe6d3daeb80b49Gabor Greif assert(Op.getResNo() == 0 && Node->getNumValues() == 2 && 621527a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner Op.getValue(1).getValueType() == MVT::Other && 621627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner "unhandled MERGE_VALUES"); 621727a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner ExpandOp(Op.getOperand(0), Lo, Hi); 621827a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner // Remember that we legalized the chain. 621927a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Op.getOperand(1))); 622027a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner break; 622158f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner 622258f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner case ISD::SIGN_EXTEND_INREG: 622358f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 62244bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // sext_inreg the low part if needed. 62254bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner Lo = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Lo, Node->getOperand(1)); 62264bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner 62274bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // The high part gets the sign extension from the lo-part. This handles 62284bdd2753db4a9d92b64c68b042c8b38f7223238dChris Lattner // things like sextinreg V:i64 from i8. 622958f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, Lo, 623083ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands DAG.getConstant(NVT.getSizeInBits()-1, 623158f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner TLI.getShiftAmountTy())); 623258f7963b8b3cb8894623a7d7663cc54005fea8f9Chris Lattner break; 6233d4e50bb2e23b8f9ddde629a28dab3bcdaf0633e4Chris Lattner 6234d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman case ISD::BSWAP: { 6235d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman ExpandOp(Node->getOperand(0), Lo, Hi); 6236475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TempLo = DAG.getNode(ISD::BSWAP, NVT, Hi); 6237d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Hi = DAG.getNode(ISD::BSWAP, NVT, Lo); 6238d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman Lo = TempLo; 6239d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman break; 6240d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman } 6241d88fc03602947b5baa35c8b09fe8bcfa2b4a03c1Nate Begeman 6242edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner case ISD::CTPOP: 6243edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 62449b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner Lo = DAG.getNode(ISD::ADD, NVT, // ctpop(HL) -> ctpop(H)+ctpop(L) 62459b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner DAG.getNode(ISD::CTPOP, NVT, Lo), 62469b583b49103f21888ac3de3f7941a98a63a23aeaChris Lattner DAG.getNode(ISD::CTPOP, NVT, Hi)); 6247edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner Hi = DAG.getConstant(0, NVT); 6248edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner break; 6249edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 625039a8f336305a492fc6d2625f39f08968185616d2Chris Lattner case ISD::CTLZ: { 625139a8f336305a492fc6d2625f39f08968185616d2Chris Lattner // ctlz (HL) -> ctlz(H) != 32 ? ctlz(H) : (ctlz(L)+32) 62523becf2026bec881a60cbbe0031d8c51f4d6d4e28Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 6253475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BitsC = DAG.getConstant(NVT.getSizeInBits(), NVT); 6254475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HLZ = DAG.getNode(ISD::CTLZ, NVT, Hi); 6255475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TopNotZero = DAG.getSetCC(TLI.getSetCCResultType(HLZ), HLZ, BitsC, 62567cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETNE); 6257475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowPart = DAG.getNode(ISD::CTLZ, NVT, Lo); 625839a8f336305a492fc6d2625f39f08968185616d2Chris Lattner LowPart = DAG.getNode(ISD::ADD, NVT, LowPart, BitsC); 625939a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 626039a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, TopNotZero, HLZ, LowPart); 626139a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Hi = DAG.getConstant(0, NVT); 626239a8f336305a492fc6d2625f39f08968185616d2Chris Lattner break; 626339a8f336305a492fc6d2625f39f08968185616d2Chris Lattner } 626439a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 626539a8f336305a492fc6d2625f39f08968185616d2Chris Lattner case ISD::CTTZ: { 626639a8f336305a492fc6d2625f39f08968185616d2Chris Lattner // cttz (HL) -> cttz(L) != 32 ? cttz(L) : (cttz(H)+32) 62673becf2026bec881a60cbbe0031d8c51f4d6d4e28Chris Lattner ExpandOp(Node->getOperand(0), Lo, Hi); 6268475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BitsC = DAG.getConstant(NVT.getSizeInBits(), NVT); 6269475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LTZ = DAG.getNode(ISD::CTTZ, NVT, Lo); 6270475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue BotNotZero = DAG.getSetCC(TLI.getSetCCResultType(LTZ), LTZ, BitsC, 62717cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::SETNE); 6272475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiPart = DAG.getNode(ISD::CTTZ, NVT, Hi); 627339a8f336305a492fc6d2625f39f08968185616d2Chris Lattner HiPart = DAG.getNode(ISD::ADD, NVT, HiPart, BitsC); 627439a8f336305a492fc6d2625f39f08968185616d2Chris Lattner 627539a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, BotNotZero, LTZ, HiPart); 627639a8f336305a492fc6d2625f39f08968185616d2Chris Lattner Hi = DAG.getConstant(0, NVT); 627739a8f336305a492fc6d2625f39f08968185616d2Chris Lattner break; 627839a8f336305a492fc6d2625f39f08968185616d2Chris Lattner } 6279edb1add9a093efa266c94b6d0a34c26f5b2d5d7bChris Lattner 6280acc398c195a697795bff3245943d104eb19192b9Nate Begeman case ISD::VAARG: { 6281475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = Node->getOperand(0); // Legalize the chain. 6282475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = Node->getOperand(1); // Legalize the pointer. 6283acc398c195a697795bff3245943d104eb19192b9Nate Begeman Lo = DAG.getVAArg(NVT, Ch, Ptr, Node->getOperand(2)); 6284acc398c195a697795bff3245943d104eb19192b9Nate Begeman Hi = DAG.getVAArg(NVT, Lo.getValue(1), Ptr, Node->getOperand(2)); 6285acc398c195a697795bff3245943d104eb19192b9Nate Begeman 6286acc398c195a697795bff3245943d104eb19192b9Nate Begeman // Remember that we legalized the chain. 62878137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = LegalizeOp(Hi); 6288acc398c195a697795bff3245943d104eb19192b9Nate Begeman AddLegalizedOperand(Op.getValue(1), Hi.getValue(1)); 62890753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 6290acc398c195a697795bff3245943d104eb19192b9Nate Begeman std::swap(Lo, Hi); 6291acc398c195a697795bff3245943d104eb19192b9Nate Begeman break; 6292acc398c195a697795bff3245943d104eb19192b9Nate Begeman } 6293acc398c195a697795bff3245943d104eb19192b9Nate Begeman 62943e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::LOAD: { 6295466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng LoadSDNode *LD = cast<LoadSDNode>(Node); 6296475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LD->getChain(); // Legalize the chain. 6297475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); // Legalize the pointer. 6298466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng ISD::LoadExtType ExtType = LD->getExtensionType(); 62997f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman const Value *SV = LD->getSrcValue(); 6300d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman int SVOffset = LD->getSrcValueOffset(); 6301d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman unsigned Alignment = LD->getAlignment(); 6302d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman bool isVolatile = LD->isVolatile(); 6303466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6304466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::NON_EXTLOAD) { 63057f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(NVT, Ch, Ptr, SV, SVOffset, 6306d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman isVolatile, Alignment); 6307004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 6308004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // f32->i32 or f64->i64 one to one expansion. 6309004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng // Remember that we legalized the chain. 6310475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1))); 63119f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng // Recursively expand the new load. 63129f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng if (getTypeAction(NVT) == Expand) 63139f87788040786b1bc6530763e4cf7e105bfb2924Evan Cheng ExpandOp(Lo, Lo, Hi); 6314004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng break; 6315004952140f3cf92ee098c2c5b8cdee1449bdc2edEvan Cheng } 6316466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6317466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Increment the pointer to the other half. 631883ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned IncrementSize = Lo.getValueType().getSizeInBits()/8; 6319466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 63200bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 63217f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SVOffset += IncrementSize; 6322dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 63237f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Hi = DAG.getLoad(NVT, Ch, Ptr, SV, SVOffset, 6324d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman isVolatile, Alignment); 6325466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6326466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Build a factor node to remember that this load is independent of the 6327466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // other one. 6328475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 6329466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi.getValue(1)); 6330466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6331466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Remember that we legalized the chain. 6332466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng AddLegalizedOperand(Op.getValue(1), LegalizeOp(TF)); 63330753fc1850a1ca4d17acca854d830d67737fd623Duncan Sands if (TLI.isBigEndian()) 6334466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng std::swap(Lo, Hi); 6335466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else { 633683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT EVT = LD->getMemoryVT(); 6337548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng 6338b6210fc92b643a5440d8373b5f36b6e579b5feb8Dale Johannesen if ((VT == MVT::f64 && EVT == MVT::f32) || 6339b6210fc92b643a5440d8373b5f36b6e579b5feb8Dale Johannesen (VT == MVT::ppcf128 && (EVT==MVT::f64 || EVT==MVT::f32))) { 6340548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng // f64 = EXTLOAD f32 should expand to LOAD, FP_EXTEND 63417f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Load = DAG.getLoad(EVT, Ch, Ptr, SV, 6342d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 6343548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng // Remember that we legalized the chain. 6344475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Load.getValue(1))); 6345548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng ExpandOp(DAG.getNode(ISD::FP_EXTEND, VT, Load), Lo, Hi); 6346548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng break; 6347548f611baeb53e821e7e80f97722b048ab6b09b2Evan Cheng } 6348466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6349466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (EVT == NVT) 63507f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(NVT, Ch, Ptr, SV, 6351d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, isVolatile, Alignment); 6352466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng else 63537f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getExtLoad(ExtType, NVT, Ch, Ptr, SV, 6354d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman SVOffset, EVT, isVolatile, 6355d6fd1bc122ba791c698255d8be158b8ec424e248Dan Gohman Alignment); 6356466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6357466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // Remember that we legalized the chain. 6358475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1))); 6359466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng 6360466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng if (ExtType == ISD::SEXTLOAD) { 6361466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is obtained by SRA'ing all but one of the bits of the 6362466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // lo part. 636383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned LoSize = Lo.getValueType().getSizeInBits(); 6364466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getNode(ISD::SRA, NVT, Lo, 6365466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng DAG.getConstant(LoSize-1, TLI.getShiftAmountTy())); 6366466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else if (ExtType == ISD::ZEXTLOAD) { 6367466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is just a zero. 6368466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getConstant(0, NVT); 6369466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } else /* if (ExtType == ISD::EXTLOAD) */ { 6370466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng // The high part is undefined. 6371466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng Hi = DAG.getNode(ISD::UNDEF, NVT); 6372466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 6373466685d41a9ea4905b9486fea38e83802e46f196Evan Cheng } 63743e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 63753e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 63763e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::AND: 63773e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::OR: 63783e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::XOR: { // Simple logical operators -> two trivial pieces. 6379475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 63803e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(0), LL, LH); 63813e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(1), RL, RH); 63823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Lo = DAG.getNode(Node->getOpcode(), NVT, LL, RL); 63833e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Hi = DAG.getNode(Node->getOpcode(), NVT, LH, RH); 63843e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 63853e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 63863e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SELECT: { 6387475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 63883e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(1), LL, LH); 63893e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner ExpandOp(Node->getOperand(2), RL, RH); 639019103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 639119103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng NVT = TLI.getTypeToExpandTo(NVT); 6392456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner Lo = DAG.getNode(ISD::SELECT, NVT, Node->getOperand(0), LL, RL); 639319103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (VT != MVT::f32) 639419103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Hi = DAG.getNode(ISD::SELECT, NVT, Node->getOperand(0), LH, RH); 63953e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 63963e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 63979373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman case ISD::SELECT_CC: { 6398475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TL, TH, FL, FH; 63999373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman ExpandOp(Node->getOperand(2), TL, TH); 64009373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman ExpandOp(Node->getOperand(3), FL, FH); 640119103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 640219103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng NVT = TLI.getTypeToExpandTo(NVT); 64039373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Lo = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 64049373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman Node->getOperand(1), TL, FL, Node->getOperand(4)); 640519103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (VT != MVT::f32) 640619103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Hi = DAG.getNode(ISD::SELECT_CC, NVT, Node->getOperand(0), 640719103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng Node->getOperand(1), TH, FH, Node->getOperand(4)); 64089373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman break; 64099373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman } 64108137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::ANY_EXTEND: 641113c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner // The low part is any extension of the input (which degenerates to a copy). 64128137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::ANY_EXTEND, NVT, Node->getOperand(0)); 641313c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner // The high part is undefined. 641413c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner Hi = DAG.getNode(ISD::UNDEF, NVT); 641513c78e2e5f158e9008b279b43b685ff02bb3cbeaChris Lattner break; 64163e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner case ISD::SIGN_EXTEND: { 64173e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The low part is just a sign extension of the input (which degenerates to 64183e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // a copy). 64198137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::SIGN_EXTEND, NVT, Node->getOperand(0)); 6420edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 64213e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The high part is obtained by SRA'ing all but one of the bits of the lo 64223e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // part. 642383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned LoSize = Lo.getValueType().getSizeInBits(); 64248137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Hi = DAG.getNode(ISD::SRA, NVT, Lo, 64258137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner DAG.getConstant(LoSize-1, TLI.getShiftAmountTy())); 64263e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 64273e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner } 64288137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::ZERO_EXTEND: 64293e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The low part is just a zero extension of the input (which degenerates to 64303e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // a copy). 64318137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Lo = DAG.getNode(ISD::ZERO_EXTEND, NVT, Node->getOperand(0)); 6432edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman 64333e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner // The high part is just a zero. 64343e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner Hi = DAG.getConstant(0, NVT); 64353e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner break; 643635481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner 64374c948eb373779718e5be36d7674382b52114bf65Chris Lattner case ISD::TRUNCATE: { 64384c948eb373779718e5be36d7674382b52114bf65Chris Lattner // The input value must be larger than this value. Expand *it*. 6439475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue NewLo; 64404c948eb373779718e5be36d7674382b52114bf65Chris Lattner ExpandOp(Node->getOperand(0), NewLo, Hi); 64414c948eb373779718e5be36d7674382b52114bf65Chris Lattner 64424c948eb373779718e5be36d7674382b52114bf65Chris Lattner // The low part is now either the right size, or it is closer. If not the 64434c948eb373779718e5be36d7674382b52114bf65Chris Lattner // right size, make an illegal truncate so we recursively expand it. 64444c948eb373779718e5be36d7674382b52114bf65Chris Lattner if (NewLo.getValueType() != Node->getValueType(0)) 64454c948eb373779718e5be36d7674382b52114bf65Chris Lattner NewLo = DAG.getNode(ISD::TRUNCATE, Node->getValueType(0), NewLo); 64464c948eb373779718e5be36d7674382b52114bf65Chris Lattner ExpandOp(NewLo, Lo, Hi); 64474c948eb373779718e5be36d7674382b52114bf65Chris Lattner break; 64484c948eb373779718e5be36d7674382b52114bf65Chris Lattner } 64494c948eb373779718e5be36d7674382b52114bf65Chris Lattner 645035481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner case ISD::BIT_CONVERT: { 6451475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp; 6452f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner if (TLI.getOperationAction(ISD::BIT_CONVERT, VT) == TargetLowering::Custom){ 6453f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner // If the target wants to, allow it to lower this itself. 6454f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 6455f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 6456f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Legal: Tmp = LegalizeOp(Node->getOperand(0)); break; 6457f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner case Promote: Tmp = PromoteOp (Node->getOperand(0)); break; 6458f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner } 6459f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner Tmp = TLI.LowerOperation(DAG.getNode(ISD::BIT_CONVERT, VT, Tmp), DAG); 6460f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner } 6461f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner 64621a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng // f32 / f64 must be expanded to i32 / i64. 646313acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng if (VT == MVT::f32 || VT == MVT::f64) { 646413acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 646519103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng if (getTypeAction(NVT) == Expand) 646619103b11ecbd5153537a1c64ffefa922fe591addEvan Cheng ExpandOp(Lo, Lo, Hi); 64677b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng break; 64687b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng } 64697b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng 64707b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // If source operand will be expanded to the same type as VT, i.e. 64717b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng // i64 <- f64, i32 <- f32, expand the source operand instead. 647283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT VT0 = Node->getOperand(0).getValueType(); 64737b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng if (getTypeAction(VT0) == Expand && TLI.getTypeToTransformTo(VT0) == VT) { 64747b2b5c846c371f58db73f453a007e52eda62da89Evan Cheng ExpandOp(Node->getOperand(0), Lo, Hi); 64751a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 64761a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng } 64771a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng 6478f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner // Turn this into a load/store pair by default. 6479ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Tmp.getNode() == 0) 64801401d15c99b284ead81b8476a6db95328c5f28fdChris Lattner Tmp = EmitStackConvert(Node->getOperand(0), VT, VT); 6481f3f333dbd67afde147165bb5ba87889d76a6f436Chris Lattner 648235481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner ExpandOp(Tmp, Lo, Hi); 648335481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner break; 648435481892da1e5634bf497c8a0cabb1bb5a8b8fefChris Lattner } 6485f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 648627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner case ISD::READCYCLECOUNTER: { 6487308575be66ec3870d27b19df044fda18448feb41Chris Lattner assert(TLI.getOperationAction(ISD::READCYCLECOUNTER, VT) == 6488308575be66ec3870d27b19df044fda18448feb41Chris Lattner TargetLowering::Custom && 6489308575be66ec3870d27b19df044fda18448feb41Chris Lattner "Must custom expand ReadCycleCounter"); 6490475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = TLI.LowerOperation(Op, DAG); 6491ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif assert(Tmp.getNode() && "Node must be custom expanded!"); 649227a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner ExpandOp(Tmp.getValue(0), Lo, Hi); 6493475871a144eb604ddaf37503397ba0941442e5fbDan Gohman AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized the chain. 649427a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner LegalizeOp(Tmp.getValue(1))); 6495f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth break; 649627a6c7380fa4dfc8e1837a8dd67967d063b26544Chris Lattner } 6497f70e30b41dc6a92733681dcea2c06d8b3dd488dbAndrew Lenharth 64981b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen case ISD::ATOMIC_CMP_SWAP_64: { 64991b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // This operation does not need a loop. 65001b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Tmp = TLI.LowerOperation(Op, DAG); 65011b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen assert(Tmp.getNode() && "Node must be custom expanded!"); 65021b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen ExpandOp(Tmp.getValue(0), Lo, Hi); 65031b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized the chain. 65041b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen LegalizeOp(Tmp.getValue(1))); 65051b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen break; 65061b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen } 65071b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen 650848c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_ADD_64: 650948c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_SUB_64: 651048c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_AND_64: 651148c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_OR_64: 651248c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_XOR_64: 651348c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen case ISD::ATOMIC_LOAD_NAND_64: 65141b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen case ISD::ATOMIC_SWAP_64: { 65151b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // These operations require a loop to be generated. We can't do that yet, 65161b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen // so substitute a target-dependent pseudo and expand that later. 651748c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen SDValue In2Lo, In2Hi, In2; 651848c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen ExpandOp(Op.getOperand(2), In2Lo, In2Hi); 651948c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen In2 = DAG.getNode(ISD::BUILD_PAIR, VT, In2Lo, In2Hi); 65201b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen AtomicSDNode* Anode = cast<AtomicSDNode>(Node); 65211b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Replace = 65221b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen DAG.getAtomic(Op.getOpcode(), Op.getOperand(0), Op.getOperand(1), In2, 65231b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen Anode->getSrcValue(), Anode->getAlignment()); 65241b54c7fe9b034a6450af8596231ad5368b617725Dale Johannesen SDValue Result = TLI.LowerOperation(Replace, DAG); 652548c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen ExpandOp(Result.getValue(0), Lo, Hi); 652648c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen // Remember that we legalized the chain. 652748c1bc2ace6481d3272ab5c18e1f19352c563be8Dale Johannesen AddLegalizedOperand(SDValue(Node,1), LegalizeOp(Result.getValue(1))); 6528d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth break; 6529d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth } 6530d19189e9905e14a4001a8ca6fc4effb6a3f88e45Andrew Lenharth 65314e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner // These operators cannot be expanded directly, emit them as calls to 65324e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner // library functions. 653356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FP_TO_SINT: { 653480a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner if (TLI.getOperationAction(ISD::FP_TO_SINT, VT) == TargetLowering::Custom) { 6535475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op; 6536f20d183c2268553c738fefb014959ea924dd0555Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 6537f20d183c2268553c738fefb014959ea924dd0555Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 65388137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Legal: Op = LegalizeOp(Node->getOperand(0)); break; 65398137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Promote: Op = PromoteOp (Node->getOperand(0)); break; 6540f20d183c2268553c738fefb014959ea924dd0555Chris Lattner } 6541d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6542f20d183c2268553c738fefb014959ea924dd0555Chris Lattner Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_SINT, VT, Op), DAG); 6543f20d183c2268553c738fefb014959ea924dd0555Chris Lattner 654480a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner // Now that the custom expander is done, expand the result, which is still 654580a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner // VT. 6546ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 654707dffd6af673c73352150583150b242a93694f00Chris Lattner ExpandOp(Op, Lo, Hi); 654807dffd6af673c73352150583150b242a93694f00Chris Lattner break; 654907dffd6af673c73352150583150b242a93694f00Chris Lattner } 655080a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner } 6551d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6552b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPTOSINT(Node->getOperand(0).getValueType(), 6553b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6554b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected uint-to-fp conversion!"); 6555b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Hi); 65564e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner break; 655756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng } 6558d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 655956966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FP_TO_UINT: { 656080a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner if (TLI.getOperationAction(ISD::FP_TO_UINT, VT) == TargetLowering::Custom) { 6561475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op; 65628137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner switch (getTypeAction(Node->getOperand(0).getValueType())) { 65638137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Expand: assert(0 && "cannot expand FP!"); 65648137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Legal: Op = LegalizeOp(Node->getOperand(0)); break; 65658137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case Promote: Op = PromoteOp (Node->getOperand(0)); break; 65668137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 65678137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner 65688137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_UINT, VT, Op), DAG); 65698137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner 65708137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Now that the custom expander is done, expand the result. 6571ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 657207dffd6af673c73352150583150b242a93694f00Chris Lattner ExpandOp(Op, Lo, Hi); 657307dffd6af673c73352150583150b242a93694f00Chris Lattner break; 657407dffd6af673c73352150583150b242a93694f00Chris Lattner } 657580a3e94653574c69ac805d9684a23a94ed3e4b5dChris Lattner } 6576d29b6aa608d69f19b57ebd2ae630b040b1c4951dJeff Cohen 6577b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPTOUINT(Node->getOperand(0).getValueType(), 6578b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6579b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unexpected fp-to-uint conversion!"); 6580b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, false/*sign irrelevant*/, Hi); 65814e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner break; 658256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng } 65834e6c74689944be1de80c99dc0688ec0bcbd743aaChris Lattner 658405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SHL: { 658550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6586475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 658750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SHL, VT) == TargetLowering::Custom) { 6588475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SHL, VT, Node->getOperand(0), ShiftAmt); 658950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6590ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 659150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 659250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 659350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 659450ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 659550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 659650ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 659750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 659879980b07dab50da1a8f572f9504674bfa853d484Chris Lattner // If ADDC/ADDE are supported and if the shift amount is a constant 1, emit 659979980b07dab50da1a8f572f9504674bfa853d484Chris Lattner // this X << 1 as X+X. 660079980b07dab50da1a8f572f9504674bfa853d484Chris Lattner if (ConstantSDNode *ShAmt = dyn_cast<ConstantSDNode>(ShiftAmt)) { 6601002e5d0a170dadd5c307e0b00d8c7970835837e6Dan Gohman if (ShAmt->getAPIntValue() == 1 && TLI.isOperationLegal(ISD::ADDC, NVT) && 660279980b07dab50da1a8f572f9504674bfa853d484Chris Lattner TLI.isOperationLegal(ISD::ADDE, NVT)) { 6603475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2], HiOps[3]; 660479980b07dab50da1a8f572f9504674bfa853d484Chris Lattner ExpandOp(Node->getOperand(0), LoOps[0], HiOps[0]); 660579980b07dab50da1a8f572f9504674bfa853d484Chris Lattner SDVTList VTList = DAG.getVTList(LoOps[0].getValueType(), MVT::Flag); 660679980b07dab50da1a8f572f9504674bfa853d484Chris Lattner LoOps[1] = LoOps[0]; 660779980b07dab50da1a8f572f9504674bfa853d484Chris Lattner Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 660879980b07dab50da1a8f572f9504674bfa853d484Chris Lattner 660979980b07dab50da1a8f572f9504674bfa853d484Chris Lattner HiOps[1] = HiOps[0]; 661079980b07dab50da1a8f572f9504674bfa853d484Chris Lattner HiOps[2] = Lo.getValue(1); 661179980b07dab50da1a8f572f9504674bfa853d484Chris Lattner Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 661279980b07dab50da1a8f572f9504674bfa853d484Chris Lattner break; 661379980b07dab50da1a8f572f9504674bfa853d484Chris Lattner } 661479980b07dab50da1a8f572f9504674bfa853d484Chris Lattner } 661579980b07dab50da1a8f572f9504674bfa853d484Chris Lattner 6616e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6617348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SHL, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6618e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 66194759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 66204759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SHL_PARTS, use it. 662105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 662205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SHL_PARTS, NVT); 662305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 662405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6625348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SHL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 66264759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 66274759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 66284759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6629e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6630460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SHL_I64, Node, false/*left shift=unsigned*/, Hi); 6631e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 663205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 6633e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 663405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SRA: { 663550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6636475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 663750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SRA, VT) == TargetLowering::Custom) { 6638475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SRA, VT, Node->getOperand(0), ShiftAmt); 663950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6640ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 664150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 664250ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 664350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 664450ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 664550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 664650ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 664750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 6648e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6649348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SRA, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6650e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 66514759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 66524759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SRA_PARTS, use it. 665305a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 665405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SRA_PARTS, NVT); 665505a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 665605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6657348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SRA_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 66584759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 66594759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 66604759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6661e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6662460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SRA_I64, Node, true/*ashr is signed*/, Hi); 6663e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 666405a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 666505a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 666605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng case ISD::SRL: { 666750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // If the target wants custom lowering, do so. 6668475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ShiftAmt = LegalizeOp(Node->getOperand(1)); 666950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner if (TLI.getOperationAction(ISD::SRL, VT) == TargetLowering::Custom) { 6670475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op = DAG.getNode(ISD::SRL, VT, Node->getOperand(0), ShiftAmt); 667150ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner Op = TLI.LowerOperation(Op, DAG); 6672ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Op.getNode()) { 667350ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // Now that the custom expander is done, expand the result, which is 667450ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner // still VT. 667550ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner ExpandOp(Op, Lo, Hi); 667650ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner break; 667750ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 667850ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner } 667950ec8979047065bd0ff41fac4ffd44f744b77723Chris Lattner 6680e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // If we can emit an efficient shift operation, do so now. 6681348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner if (ExpandShift(ISD::SRL, Node->getOperand(0), ShiftAmt, Lo, Hi)) 6682e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 66834759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 66844759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner // If this target supports SRL_PARTS, use it. 668505a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TargetLowering::LegalizeAction Action = 668605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng TLI.getOperationAction(ISD::SRL_PARTS, NVT); 668705a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || 668805a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng Action == TargetLowering::Custom) { 6689348e93c8f7132c6ecbaf5866048e087feb7520e2Chris Lattner ExpandShiftParts(ISD::SRL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi); 66904759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner break; 66914759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner } 66924759982a2d4ab597fb69d4a1113d0f35e673a4e1Chris Lattner 6693e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner // Otherwise, emit a libcall. 6694460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SRL_I64, Node, false/*lshr is unsigned*/, Hi); 6695e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner break; 669605a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng } 6697e34b396ab7d28469bf3d9679a748b643d8e30458Chris Lattner 6698edf128a7fa90f2b0b7ee24741a04a7ae1ecd6f7eMisha Brukman case ISD::ADD: 66998137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner case ISD::SUB: { 67008137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // If the target wants to custom expand this, let them. 67018137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner if (TLI.getOperationAction(Node->getOpcode(), VT) == 67028137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner TargetLowering::Custom) { 6703475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result = TLI.LowerOperation(Op, DAG); 6704ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Result.getNode()) { 670569bfb15ecd71881ec8d01be94af99b6d90d2fe01Duncan Sands ExpandOp(Result, Lo, Hi); 67068137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner break; 67078137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 67088137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 67098137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner // Expand the subcomponents. 6710475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 67118137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 67128137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 671379980b07dab50da1a8f572f9504674bfa853d484Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6714475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2], HiOps[3]; 6715bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner LoOps[0] = LHSL; 6716bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner LoOps[1] = RHSL; 6717bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner HiOps[0] = LHSH; 6718bd564bfc63163e31f320c3da9749db70992dc35eChris Lattner HiOps[1] = RHSH; 67192163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth 67205c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth //cascaded check to see if any smaller size has a a carry flag. 67215c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth unsigned OpV = Node->getOpcode() == ISD::ADD ? ISD::ADDC : ISD::SUBC; 67225c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth bool hasCarry = false; 67232163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth for (unsigned BitSize = NVT.getSizeInBits(); BitSize != 0; BitSize /= 2) { 67242163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth MVT AVT = MVT::getIntegerVT(BitSize); 67252163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth if (TLI.isOperationLegal(OpV, AVT)) { 67262163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth hasCarry = true; 67272163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth break; 67282163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth } 67292163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth } 67302163ca11d576059883d1c289e5c4d8163d123270Andrew Lenharth 67315c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth if(hasCarry) { 673240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth if (Node->getOpcode() == ISD::ADD) { 673340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 673440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth HiOps[2] = Lo.getValue(1); 673540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 673640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } else { 673740d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::SUBC, VTList, LoOps, 2); 673840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth HiOps[2] = Lo.getValue(1); 673940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUBE, VTList, HiOps, 3); 674040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } 674140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth break; 6742551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman } else { 674340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth if (Node->getOpcode() == ISD::ADD) { 674440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::ADD, VTList, LoOps, 2); 674540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADD, VTList, HiOps, 2); 67465c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth SDValue Cmp1 = DAG.getSetCC(TLI.getSetCCResultType(Lo), 67475c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth Lo, LoOps[0], ISD::SETULT); 674840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Carry1 = DAG.getNode(ISD::SELECT, NVT, Cmp1, 674940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 675040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(0, NVT)); 67515c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth SDValue Cmp2 = DAG.getSetCC(TLI.getSetCCResultType(Lo), 67525c9cc1392cfdea2281431de987f32545a3491fb6Andrew Lenharth Lo, LoOps[1], ISD::SETULT); 675340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Carry2 = DAG.getNode(ISD::SELECT, NVT, Cmp2, 675440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 675540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Carry1); 675640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::ADD, NVT, Hi, Carry2); 675740d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } else { 675840d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Lo = DAG.getNode(ISD::SUB, VTList, LoOps, 2); 675940d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUB, VTList, HiOps, 2); 676040d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Cmp = DAG.getSetCC(NVT, LoOps[0], LoOps[1], ISD::SETULT); 676140d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth SDValue Borrow = DAG.getNode(ISD::SELECT, NVT, Cmp, 676240d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(1, NVT), 676340d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth DAG.getConstant(0, NVT)); 676440d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth Hi = DAG.getNode(ISD::SUB, NVT, Hi, Borrow); 676540d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth } 676640d513960a50664c3c4130a40612a5e3673615ceAndrew Lenharth break; 6767551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman } 67688137c9e41d69943ac84066e6c7a95390b84e29f2Chris Lattner } 6769b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6770b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::ADDC: 6771b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::SUBC: { 6772b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Expand the subcomponents. 6773475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 6774b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 6775b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 6776b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6777475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[2] = { LHSL, RHSL }; 6778475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiOps[3] = { LHSH, RHSH }; 6779b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6780b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner if (Node->getOpcode() == ISD::ADDC) { 6781b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(ISD::ADDC, VTList, LoOps, 2); 6782b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6783b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(ISD::ADDE, VTList, HiOps, 3); 6784b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } else { 6785b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(ISD::SUBC, VTList, LoOps, 2); 6786b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6787b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(ISD::SUBE, VTList, HiOps, 3); 6788b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6789b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Remember that we legalized the flag. 6790b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Hi.getValue(1))); 6791b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner break; 6792b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6793b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::ADDE: 6794b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner case ISD::SUBE: { 6795b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Expand the subcomponents. 6796475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LHSL, LHSH, RHSL, RHSH; 6797b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(0), LHSL, LHSH); 6798b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner ExpandOp(Node->getOperand(1), RHSL, RHSH); 6799b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner SDVTList VTList = DAG.getVTList(LHSL.getValueType(), MVT::Flag); 6800475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LoOps[3] = { LHSL, RHSL, Node->getOperand(2) }; 6801475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue HiOps[3] = { LHSH, RHSH }; 6802b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6803b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Lo = DAG.getNode(Node->getOpcode(), VTList, LoOps, 3); 6804b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner HiOps[2] = Lo.getValue(1); 6805b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner Hi = DAG.getNode(Node->getOpcode(), VTList, HiOps, 3); 6806b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner 6807b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner // Remember that we legalized the flag. 6808b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Hi.getValue(1))); 6809b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner break; 6810b429f7303eecc6fe0218d86e2f1321f70473deb4Chris Lattner } 6811c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman case ISD::MUL: { 68127d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner // If the target wants to custom expand this, let them. 68137d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner if (TLI.getOperationAction(ISD::MUL, VT) == TargetLowering::Custom) { 6814475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue New = TLI.LowerOperation(Op, DAG); 6815ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (New.getNode()) { 68168829dc88a8637fe588e299d96de394afc3ecc528Chris Lattner ExpandOp(New, Lo, Hi); 68177d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner break; 68187d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner } 68197d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner } 68207d7bffe157c0896cc850ed384dd748aae1a00c7bChris Lattner 68213f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, NVT); 68223f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, NVT); 6823525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasSMUL_LOHI = TLI.isOperationLegal(ISD::SMUL_LOHI, NVT); 6824525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman bool HasUMUL_LOHI = TLI.isOperationLegal(ISD::UMUL_LOHI, NVT); 6825525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHU || HasMULHS || HasUMUL_LOHI || HasSMUL_LOHI) { 6826475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 6827c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman ExpandOp(Node->getOperand(0), LL, LH); 6828c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman ExpandOp(Node->getOperand(1), RL, RH); 68292e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned OuterBitSize = Op.getValueSizeInBits(); 68302e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman unsigned InnerBitSize = RH.getValueSizeInBits(); 6831525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned LHSSB = DAG.ComputeNumSignBits(Op.getOperand(0)); 6832525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman unsigned RHSSB = DAG.ComputeNumSignBits(Op.getOperand(1)); 683376c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman APInt HighMask = APInt::getHighBitsSet(OuterBitSize, InnerBitSize); 683476c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman if (DAG.MaskedValueIsZero(Node->getOperand(0), HighMask) && 683576c605b18ee74e2c521a02431ab9e1ce6912d827Dan Gohman DAG.MaskedValueIsZero(Node->getOperand(1), HighMask)) { 6836525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // The inputs are both zero-extended. 6837525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasUMUL_LOHI) { 6838525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a umul_lohi. 6839525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::UMUL_LOHI, DAG.getVTList(NVT, NVT), LL, RL); 6840ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = SDValue(Lo.getNode(), 1); 6841525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6842525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6843525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHU) { 6844525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a mulhu+mul. 6845525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 6846525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); 6847525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6848525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6849525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 68502e68b6f52d0979575b2f02ed29717d907ba0684cDan Gohman if (LHSSB > InnerBitSize && RHSSB > InnerBitSize) { 6851525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // The input values are both sign-extended. 6852525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasSMUL_LOHI) { 6853525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a smul_lohi. 6854525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::SMUL_LOHI, DAG.getVTList(NVT, NVT), LL, RL); 6855ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Hi = SDValue(Lo.getNode(), 1); 6856525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6857525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6858525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasMULHS) { 6859525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // We can emit a mulhs+mul. 6860525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 6861525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = DAG.getNode(ISD::MULHS, NVT, LL, RL); 6862525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman break; 6863525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6864525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman } 6865525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman if (HasUMUL_LOHI) { 6866525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // Lo,Hi = umul LHS, RHS. 6867475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue UMulLOHI = DAG.getNode(ISD::UMUL_LOHI, 6868525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman DAG.getVTList(NVT, NVT), LL, RL); 6869525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Lo = UMulLOHI; 6870525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman Hi = UMulLOHI.getValue(1); 687156eb86806d5d178d42108f17d11098b3e640b996Nate Begeman RH = DAG.getNode(ISD::MUL, NVT, LL, RH); 687256eb86806d5d178d42108f17d11098b3e640b996Nate Begeman LH = DAG.getNode(ISD::MUL, NVT, LH, RL); 687356eb86806d5d178d42108f17d11098b3e640b996Nate Begeman Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); 687456eb86806d5d178d42108f17d11098b3e640b996Nate Begeman Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); 6875a89654b1a17478a272af33221e325b7feb9aec1bChris Lattner break; 687656eb86806d5d178d42108f17d11098b3e640b996Nate Begeman } 68778eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen if (HasMULHU) { 68788eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); 68798eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); 68808eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen RH = DAG.getNode(ISD::MUL, NVT, LL, RH); 68818eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen LH = DAG.getNode(ISD::MUL, NVT, LH, RL); 68828eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); 68838eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); 68848eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen break; 68858eadd5a6db79da067c773d1bd1cc13edc07788ccDale Johannesen } 6886c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman } 68873f4fd0fd644faec87330ef17ebcb93acb74da9c6Evan Cheng 6888525178cdbf00720ea8bce297a7d65b0cca0ab439Dan Gohman // If nothing else, we can make a libcall. 6889460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::MUL_I64, Node, false/*sign irrelevant*/, Hi); 6890c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman break; 6891c7c16575fea9aeffe8a63ddabe7c3c25f81ed799Nate Begeman } 689256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SDIV: 6893460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SDIV_I64, Node, true, Hi); 689456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 689556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::UDIV: 6896460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::UDIV_I64, Node, true, Hi); 689756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 689856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::SREM: 6899460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::SREM_I64, Node, true, Hi); 690056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 690156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::UREM: 6902460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(RTLIB::UREM_I64, Node, true, Hi); 690356966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 69045c9ce1893a4bee65bc05c7c48f11734f55405692Evan Cheng 69051a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FADD: 6906460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::ADD_F32, 6907460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_F64, 6908460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_F80, 6909460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::ADD_PPCF128), 691056966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 69111a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 69121a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FSUB: 6913460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::SUB_F32, 6914460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_F64, 6915460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_F80, 6916460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::SUB_PPCF128), 691756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 69181a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 69191a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FMUL: 6920460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::MUL_F32, 6921460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_F64, 6922460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_F80, 6923460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::MUL_PPCF128), 692456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 69251a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 69261a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng case ISD::FDIV: 6927460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(GetFPLibCall(VT, RTLIB::DIV_F32, 6928460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_F64, 6929460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_F80, 6930460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands RTLIB::DIV_PPCF128), 693156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng Node, false, Hi); 69321a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 6933b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands case ISD::FP_EXTEND: { 6934ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (VT == MVT::ppcf128) { 6935ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen assert(Node->getOperand(0).getValueType()==MVT::f32 || 6936ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0).getValueType()==MVT::f64); 6937ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen const uint64_t zero = 0; 6938ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (Node->getOperand(0).getValueType()==MVT::f32) 6939ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = DAG.getNode(ISD::FP_EXTEND, MVT::f64, Node->getOperand(0)); 6940ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen else 6941ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = Node->getOperand(0); 6942ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 6943ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen break; 6944ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 6945b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPEXT(Node->getOperand(0).getValueType(), VT); 6946b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND!"); 6947b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, true, Hi); 69481a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 6949b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands } 6950b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands case ISD::FP_ROUND: { 6951b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands RTLIB::Libcall LC = RTLIB::getFPROUND(Node->getOperand(0).getValueType(), 6952b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands VT); 6953b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_ROUND!"); 6954b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands Lo = ExpandLibCall(LC, Node, true, Hi); 69551a8f1fe676f1d83e0da7336e744ebcdcc14a88c4Evan Cheng break; 6956b2ff885aaed8f9b033b16ca78d645650efc32433Duncan Sands } 69574b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FSQRT: 69584b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FSIN: 69594b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FCOS: 69607794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 69617794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 69627794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 69637794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 69647794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 69652bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 69662bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 69672bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 69682bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 69692bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 69709d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOW: 69719d24ac56e1f9f1025a473d6b013557431fd05b7cEvan Cheng case ISD::FPOWI: { 697256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; 697398ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng switch(Node->getOpcode()) { 697456966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSQRT: 6975007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64, 6976007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128); 697756966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 697856966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FSIN: 6979007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64, 6980007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::SIN_F80, RTLIB::SIN_PPCF128); 698156966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 698256966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng case ISD::FCOS: 6983007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64, 6984007f9847c44ddbe7fd04cba362b4ec0f0f40964bDuncan Sands RTLIB::COS_F80, RTLIB::COS_PPCF128); 698556966225d1eed9f9a6951d2167bfbbec9628c8d6Evan Cheng break; 69867794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 69877794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64, 69887794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG_F80, RTLIB::LOG_PPCF128); 69897794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 69907794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 69917794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64, 69927794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128); 69937794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 69947794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 69957794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64, 69967794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128); 69977794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 69987794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 69997794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64, 70007794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP_F80, RTLIB::EXP_PPCF128); 70017794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70027794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 70037794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64, 70047794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128); 70057794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen break; 70062bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FTRUNC: 70072bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, 70082bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128); 70092bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 70102bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FFLOOR: 70112bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, 70122bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::FLOOR_F80, RTLIB::FLOOR_PPCF128); 70132bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 70142bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FCEIL: 70152bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::CEIL_F32, RTLIB::CEIL_F64, 70162bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128); 70172bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 70182bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FRINT: 70192bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::RINT_F32, RTLIB::RINT_F64, 70202bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::RINT_F80, RTLIB::RINT_PPCF128); 70212bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 70222bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman case ISD::FNEARBYINT: 70232bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman LC = GetFPLibCall(VT, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, 70242bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman RTLIB::NEARBYINT_F80, RTLIB::NEARBYINT_PPCF128); 70252bb1e3eede14dd8a965506465e2876fb1ae765c2Dan Gohman break; 70264b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FPOW: 70274b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80, 70284b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng RTLIB::POW_PPCF128); 70294b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng break; 70304b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng case ISD::FPOWI: 70314b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64, RTLIB::POWI_F80, 70324b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng RTLIB::POWI_PPCF128); 70334b88702ac3fac540b970e2d92f3dcc5071f16a84Evan Cheng break; 703498ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng default: assert(0 && "Unreachable!"); 703598ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 7036460a14e09c2af630fc1e840dcb3e0f725663067bDuncan Sands Lo = ExpandLibCall(LC, Node, false, Hi); 703798ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng break; 703898ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 7039966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng case ISD::FABS: { 7040f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen if (VT == MVT::ppcf128) { 7041475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp; 7042f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen ExpandOp(Node->getOperand(0), Lo, Tmp); 7043f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Hi = DAG.getNode(ISD::FABS, NVT, Tmp); 7044f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen // lo = hi==fabs(hi) ? lo : -lo; 7045f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo = DAG.getNode(ISD::SELECT_CC, NVT, Hi, Tmp, 7046f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo, DAG.getNode(ISD::FNEG, NVT, Lo), 7047f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen DAG.getCondCode(ISD::SETEQ)); 7048f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen break; 7049f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen } 7050475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = (VT == MVT::f64) 7051966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), VT) 7052966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng : DAG.getConstantFP(BitsToFloat(~(1U << 31)), VT); 7053966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Mask = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask); 7054966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 7055966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::AND, NVT, Lo, Mask); 7056966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng if (getTypeAction(NVT) == Expand) 7057966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ExpandOp(Lo, Lo, Hi); 7058966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng break; 7059966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng } 7060966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng case ISD::FNEG: { 7061f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen if (VT == MVT::ppcf128) { 7062f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen ExpandOp(Node->getOperand(0), Lo, Hi); 7063f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Lo = DAG.getNode(ISD::FNEG, MVT::f64, Lo); 7064f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen Hi = DAG.getNode(ISD::FNEG, MVT::f64, Hi); 7065f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen break; 7066f646774edd2588f6aa866ceb5e1b921f924a246fDale Johannesen } 7067475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = (VT == MVT::f64) 7068966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ? DAG.getConstantFP(BitsToDouble(1ULL << 63), VT) 7069966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng : DAG.getConstantFP(BitsToFloat(1U << 31), VT); 7070966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Mask = DAG.getNode(ISD::BIT_CONVERT, NVT, Mask); 7071966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::BIT_CONVERT, NVT, Node->getOperand(0)); 7072966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng Lo = DAG.getNode(ISD::XOR, NVT, Lo, Mask); 7073966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng if (getTypeAction(NVT) == Expand) 7074966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng ExpandOp(Lo, Lo, Hi); 7075966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng break; 7076966bf24491f7e53238fc4127bb9fcf43e6739586Evan Cheng } 7077912095becac923ff614d7b07728eb345ada67765Evan Cheng case ISD::FCOPYSIGN: { 7078912095becac923ff614d7b07728eb345ada67765Evan Cheng Lo = ExpandFCOPYSIGNToBitwiseOps(Node, NVT, DAG, TLI); 7079912095becac923ff614d7b07728eb345ada67765Evan Cheng if (getTypeAction(NVT) == Expand) 7080912095becac923ff614d7b07728eb345ada67765Evan Cheng ExpandOp(Lo, Lo, Hi); 7081912095becac923ff614d7b07728eb345ada67765Evan Cheng break; 7082912095becac923ff614d7b07728eb345ada67765Evan Cheng } 70837df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng case ISD::SINT_TO_FP: 70847df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng case ISD::UINT_TO_FP: { 70857df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng bool isSigned = Node->getOpcode() == ISD::SINT_TO_FP; 708683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT SrcVT = Node->getOperand(0).getValueType(); 7087cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen 7088cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen // Promote the operand if needed. Do this before checking for 7089cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen // ppcf128 so conversions of i16 and i8 work. 7090cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen if (getTypeAction(SrcVT) == Promote) { 7091475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = PromoteOp(Node->getOperand(0)); 7092cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen Tmp = isSigned 7093cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen ? DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp.getValueType(), Tmp, 7094cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen DAG.getValueType(SrcVT)) 7095cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen : DAG.getZeroExtendInReg(Tmp, SrcVT); 7096ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif Node = DAG.UpdateNodeOperands(Op, Tmp).getNode(); 7097cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen SrcVT = Node->getOperand(0).getValueType(); 7098cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen } 7099cf49819877addffa29cbb33dc6aab963868e74eeDale Johannesen 7100a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman if (VT == MVT::ppcf128 && SrcVT == MVT::i32) { 7101f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t zero = 0; 7102ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen if (isSigned) { 7103ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = LegalizeOp(DAG.getNode(ISD::SINT_TO_FP, MVT::f64, 7104ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0))); 7105ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7106ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } else { 7107f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t TwoE32[] = { 0x41f0000000000000LL, 0 }; 7108ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = LegalizeOp(DAG.getNode(ISD::SINT_TO_FP, MVT::f64, 7109ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Node->getOperand(0))); 7110ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo = DAG.getConstantFP(APFloat(APInt(64, 1, &zero)), MVT::f64); 7111ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); 71126e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // X>=0 ? {(f64)x, 0} : {(f64)x, 0} + 2^32 7113ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen ExpandOp(DAG.getNode(ISD::SELECT_CC, MVT::ppcf128, Node->getOperand(0), 7114ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getConstant(0, MVT::i32), 7115ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getNode(ISD::FADD, MVT::ppcf128, Hi, 7116ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getConstantFP( 7117ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen APFloat(APInt(128, 2, TwoE32)), 7118ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen MVT::ppcf128)), 7119ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Hi, 7120ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen DAG.getCondCode(ISD::SETLT)), 7121ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen Lo, Hi); 7122ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 7123ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen break; 7124ca68aaa0e50c4037c0faa9bfbe7e091087837259Dale Johannesen } 71256e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen if (VT == MVT::ppcf128 && SrcVT == MVT::i64 && !isSigned) { 71266e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // si64->ppcf128 done by libcall, below 7127f6283fd27be06021fbe262341be56331bc67786cDan Gohman static const uint64_t TwoE64[] = { 0x43f0000000000000LL, 0 }; 71286e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen ExpandOp(DAG.getNode(ISD::SINT_TO_FP, MVT::ppcf128, Node->getOperand(0)), 71296e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Lo, Hi); 71306e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); 71316e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen // x>=0 ? (ppcf128)(i64)x : (ppcf128)(i64)x + 2^64 71326e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen ExpandOp(DAG.getNode(ISD::SELECT_CC, MVT::ppcf128, Node->getOperand(0), 71336e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getConstant(0, MVT::i64), 71346e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getNode(ISD::FADD, MVT::ppcf128, Hi, 71356e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getConstantFP( 71366e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen APFloat(APInt(128, 2, TwoE64)), 71376e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen MVT::ppcf128)), 71386e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Hi, 71396e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen DAG.getCondCode(ISD::SETLT)), 71406e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen Lo, Hi); 71416e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen break; 71426e63e092365b763b65cc97a4d2c634443046c15aDale Johannesen } 71437df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng 7144a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Lo = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, VT, 7145a2e9485e34f1348526ed104dbdc194673e291077Dan Gohman Node->getOperand(0)); 7146110cf48752dcf86c6d95698c08805f1dd534ac83Evan Cheng if (getTypeAction(Lo.getValueType()) == Expand) 71476ad2f930da0ebadb0e000397cea8384c650877bbEvan Cheng // float to i32 etc. can be 'expanded' to a single node. 7148110cf48752dcf86c6d95698c08805f1dd534ac83Evan Cheng ExpandOp(Lo, Lo, Hi); 71497df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng break; 71507df28dc9d7160772c3c0aabd72c32830c1bb5e57Evan Cheng } 715198ff3b979af4916ba8a82eda7d77a66cdad31842Evan Cheng } 71523e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 715383397363348662e9352455ea1e6e88e7026300a4Chris Lattner // Make sure the resultant values have been legalized themselves, unless this 715483397363348662e9352455ea1e6e88e7026300a4Chris Lattner // is a type that requires multi-step expansion. 715583397363348662e9352455ea1e6e88e7026300a4Chris Lattner if (getTypeAction(NVT) != Expand && NVT != MVT::isVoid) { 715683397363348662e9352455ea1e6e88e7026300a4Chris Lattner Lo = LegalizeOp(Lo); 7157ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif if (Hi.getNode()) 715813acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng // Don't legalize the high part if it is expanded to a single node. 715913acce3ef03d29679c2b241bdba6ca015644e8b6Evan Cheng Hi = LegalizeOp(Hi); 716083397363348662e9352455ea1e6e88e7026300a4Chris Lattner } 716105a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng 716205a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng // Remember in a map if the values will be reused later. 71636b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman bool isNew = 71646b345ee9b2833cf1b2f79dc16d06d4060bec36efDan Gohman ExpandedNodes.insert(std::make_pair(Op, std::make_pair(Lo, Hi))).second; 716505a2d568c60b8d547a5ac78f99107c476e6612b5Evan Cheng assert(isNew && "Value already expanded?!?"); 71663e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 71673e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 71687f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// SplitVectorOp - Given an operand of vector type, break it down into 71697f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman/// two smaller values, still of vector type. 7170475871a144eb604ddaf37503397ba0941442e5fbDan Gohmanvoid SelectionDAGLegalize::SplitVectorOp(SDValue Op, SDValue &Lo, 7171475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Hi) { 717283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().isVector() && "Cannot split non-vector type!"); 7173ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 717483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands unsigned NumElements = Op.getValueType().getVectorNumElements(); 7175c7029805ef35ce9805931067b841e6af11db382eChris Lattner assert(NumElements > 1 && "Cannot split a single element vector!"); 71765db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 717783ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewEltVT = Op.getValueType().getVectorElementType(); 71785db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 71795db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman unsigned NewNumElts_Lo = 1 << Log2_32(NumElements-1); 71805db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman unsigned NewNumElts_Hi = NumElements - NewNumElts_Lo; 71815db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 718283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT_Lo = MVT::getVectorVT(NewEltVT, NewNumElts_Lo); 718383ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT_Hi = MVT::getVectorVT(NewEltVT, NewNumElts_Hi); 71845db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman 7185c7029805ef35ce9805931067b841e6af11db382eChris Lattner // See if we already split it. 7186475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, std::pair<SDValue, SDValue> >::iterator I 7187c7029805ef35ce9805931067b841e6af11db382eChris Lattner = SplitNodes.find(Op); 7188c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (I != SplitNodes.end()) { 7189c7029805ef35ce9805931067b841e6af11db382eChris Lattner Lo = I->second.first; 7190c7029805ef35ce9805931067b841e6af11db382eChris Lattner Hi = I->second.second; 7191c7029805ef35ce9805931067b841e6af11db382eChris Lattner return; 7192c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7193c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7194c7029805ef35ce9805931067b841e6af11db382eChris Lattner switch (Node->getOpcode()) { 7195e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey default: 7196e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 719739833585556a69de12053ca1e104fe7edfd86cbdDan Gohman Node->dump(&DAG); 7198e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 7199e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey assert(0 && "Unhandled operation in SplitVectorOp!"); 7200daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner case ISD::UNDEF: 7201daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner Lo = DAG.getNode(ISD::UNDEF, NewVT_Lo); 7202daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner Hi = DAG.getNode(ISD::UNDEF, NewVT_Hi); 7203daf9bc8eee3eb1bc992480921f50ef1b760f4159Chris Lattner break; 72047f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_PAIR: 72057f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Lo = Node->getOperand(0); 72067f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Hi = Node->getOperand(1); 72077f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 72089fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman case ISD::INSERT_VECTOR_ELT: { 72096867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman if (ConstantSDNode *Idx = dyn_cast<ConstantSDNode>(Node->getOperand(2))) { 72106867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman SplitVectorOp(Node->getOperand(0), Lo, Hi); 7211f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Index = Idx->getZExtValue(); 7212475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue ScalarOp = Node->getOperand(1); 72136867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman if (Index < NewNumElts_Lo) 72146867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Lo = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT_Lo, Lo, ScalarOp, 72156867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman DAG.getIntPtrConstant(Index)); 72166867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman else 72176867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Hi = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT_Hi, Hi, ScalarOp, 72186867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman DAG.getIntPtrConstant(Index - NewNumElts_Lo)); 72196867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman break; 72206867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman } 7221475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Tmp = PerformInsertVectorEltInMemory(Node->getOperand(0), 72226867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Node->getOperand(1), 72236867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman Node->getOperand(2)); 72246867991d541d08ca95d86841eca5f7c1d5096864Nate Begeman SplitVectorOp(Tmp, Lo, Hi); 72259fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman break; 72269fe4662d9a9e5b346dc053b6a53bc3d096adb77bDan Gohman } 72276c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner case ISD::VECTOR_SHUFFLE: { 72286c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // Build the low part. 7229475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Mask = Node->getOperand(2); 7230475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> Ops; 723183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT PtrVT = TLI.getPointerTy(); 72326c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner 72336c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // Insert all of the elements from the input that are needed. We use 72346c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // buildvector of extractelement here because the input vectors will have 72356c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner // to be legalized, so this makes the code simpler. 72366c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner for (unsigned i = 0; i != NewNumElts_Lo; ++i) { 7237475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue IdxNode = Mask.getOperand(i); 72385922f561c65968ef1865cc8434d191041e450602Nate Begeman if (IdxNode.getOpcode() == ISD::UNDEF) { 72395922f561c65968ef1865cc8434d191041e450602Nate Begeman Ops.push_back(DAG.getNode(ISD::UNDEF, NewEltVT)); 72405922f561c65968ef1865cc8434d191041e450602Nate Begeman continue; 72415922f561c65968ef1865cc8434d191041e450602Nate Begeman } 7242f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(IdxNode)->getZExtValue(); 7243475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InVec = Node->getOperand(0); 72446c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner if (Idx >= NumElements) { 72456c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner InVec = Node->getOperand(1); 72466c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Idx -= NumElements; 72476c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 72486c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewEltVT, InVec, 72496c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner DAG.getConstant(Idx, PtrVT))); 72506c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 72516c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Lo = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Lo, &Ops[0], Ops.size()); 72526c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.clear(); 72536c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner 72546c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner for (unsigned i = NewNumElts_Lo; i != NumElements; ++i) { 7255475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue IdxNode = Mask.getOperand(i); 72565922f561c65968ef1865cc8434d191041e450602Nate Begeman if (IdxNode.getOpcode() == ISD::UNDEF) { 72575922f561c65968ef1865cc8434d191041e450602Nate Begeman Ops.push_back(DAG.getNode(ISD::UNDEF, NewEltVT)); 72585922f561c65968ef1865cc8434d191041e450602Nate Begeman continue; 72595922f561c65968ef1865cc8434d191041e450602Nate Begeman } 7260f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman unsigned Idx = cast<ConstantSDNode>(IdxNode)->getZExtValue(); 7261475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InVec = Node->getOperand(0); 72626c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner if (Idx >= NumElements) { 72636c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner InVec = Node->getOperand(1); 72646c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Idx -= NumElements; 72656c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 72666c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewEltVT, InVec, 72676c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner DAG.getConstant(Idx, PtrVT))); 72686c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 726992879f3a9e6625d4a17a3d93e6250a59b0497660Mon P Wang Hi = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Hi, &Ops[0], Ops.size()); 72706c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner break; 72716c9c6800b844771117943c400d0a9a47460a46b9Chris Lattner } 72727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_VECTOR: { 7273475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> LoOps(Node->op_begin(), 72745db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Node->op_begin()+NewNumElts_Lo); 72755db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Lo, &LoOps[0], LoOps.size()); 7276c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7277475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SmallVector<SDValue, 8> HiOps(Node->op_begin()+NewNumElts_Lo, 72787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Node->op_end()); 72795db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::BUILD_VECTOR, NewVT_Hi, &HiOps[0], HiOps.size()); 7280c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7281c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 72827f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::CONCAT_VECTORS: { 72835db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman // FIXME: Handle non-power-of-two vectors? 72847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman unsigned NewNumSubvectors = Node->getNumOperands() / 2; 72857f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (NewNumSubvectors == 1) { 72867f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Lo = Node->getOperand(0); 72877f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Hi = Node->getOperand(1); 72887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } else { 7289aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SmallVector<SDValue, 8> LoOps(Node->op_begin(), 7290aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Node->op_begin()+NewNumSubvectors); 72915db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::CONCAT_VECTORS, NewVT_Lo, &LoOps[0], LoOps.size()); 72926595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 7293aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SmallVector<SDValue, 8> HiOps(Node->op_begin()+NewNumSubvectors, 72947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Node->op_end()); 72955db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::CONCAT_VECTORS, NewVT_Hi, &HiOps[0], HiOps.size()); 72967f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 72976595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 72986595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman } 7299aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang case ISD::EXTRACT_SUBVECTOR: { 7300aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SDValue Vec = Op.getOperand(0); 7301aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang SDValue Idx = Op.getOperand(1); 7302aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang MVT IdxVT = Idx.getValueType(); 7303aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang 7304aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Lo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Lo, Vec, Idx); 7305aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang ConstantSDNode *CIdx = dyn_cast<ConstantSDNode>(Idx); 7306aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang if (CIdx) { 7307aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Hi, Vec, 7308aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang DAG.getConstant(CIdx->getZExtValue() + NewNumElts_Lo, 7309aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang IdxVT)); 7310aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } else { 7311aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Idx = DAG.getNode(ISD::ADD, IdxVT, Idx, 7312aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang DAG.getConstant(NewNumElts_Lo, IdxVT)); 7313aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, NewVT_Hi, Vec, Idx); 7314aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } 7315aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang break; 7316aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang } 7317c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman case ISD::SELECT: { 7318475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Cond = Node->getOperand(0); 7319c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman 7320475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7321c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Node->getOperand(1), LL, LH); 7322c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Node->getOperand(2), RL, RH); 7323c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman 732483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Cond.getValueType().isVector()) { 7325c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman // Handle a vector merge. 7326475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CL, CH; 7327c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman SplitVectorOp(Cond, CL, CH); 73285db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, CL, LL, RL); 73295db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, CH, LH, RH); 7330c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } else { 7331c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman // Handle a simple select with vector operands. 73325db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, Cond, LL, RL); 73335db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, Cond, LH, RH); 7334c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } 7335c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman break; 7336c623096fe227a7705ccac5a5db514b64ccdfe6b2Dan Gohman } 733780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner case ISD::SELECT_CC: { 7338475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondLHS = Node->getOperand(0); 7339475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondRHS = Node->getOperand(1); 7340475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue CondCode = Node->getOperand(4); 734180c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner 7342475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 734380c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner SplitVectorOp(Node->getOperand(2), LL, LH); 734480c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner SplitVectorOp(Node->getOperand(3), RL, RH); 734580c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner 734680c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner // Handle a simple select with vector operands. 734780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Lo = DAG.getNode(ISD::SELECT_CC, NewVT_Lo, CondLHS, CondRHS, 734880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner LL, RL, CondCode); 734980c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Hi = DAG.getNode(ISD::SELECT_CC, NewVT_Hi, CondLHS, CondRHS, 735080c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner LH, RH, CondCode); 735180c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner break; 735280c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner } 7353b43e9c196542acc80c9e4643809661065710848fNate Begeman case ISD::VSETCC: { 7354475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7355b43e9c196542acc80c9e4643809661065710848fNate Begeman SplitVectorOp(Node->getOperand(0), LL, LH); 7356b43e9c196542acc80c9e4643809661065710848fNate Begeman SplitVectorOp(Node->getOperand(1), RL, RH); 7357b43e9c196542acc80c9e4643809661065710848fNate Begeman Lo = DAG.getNode(ISD::VSETCC, NewVT_Lo, LL, RL, Node->getOperand(2)); 7358b43e9c196542acc80c9e4643809661065710848fNate Begeman Hi = DAG.getNode(ISD::VSETCC, NewVT_Hi, LH, RH, Node->getOperand(2)); 7359b43e9c196542acc80c9e4643809661065710848fNate Begeman break; 7360b43e9c196542acc80c9e4643809661065710848fNate Begeman } 73617f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::ADD: 73627f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SUB: 73637f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::MUL: 73647f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FADD: 73657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSUB: 73667f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FMUL: 73677f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SDIV: 73687f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UDIV: 73697f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FDIV: 7370826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 73717f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::AND: 73727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::OR: 7373089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::XOR: 7374089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::UREM: 7375089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::SREM: 7376089617d9e3acc242151a007e7a051ed2fb200b1fDan Gohman case ISD::FREM: { 7377475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LL, LH, RL, RH; 7378c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitVectorOp(Node->getOperand(0), LL, LH); 7379c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitVectorOp(Node->getOperand(1), RL, RH); 7380c7029805ef35ce9805931067b841e6af11db382eChris Lattner 73815db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, LL, RL); 73825db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, LH, RH); 7383c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7384c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 73857f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_ROUND: 7386826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOWI: { 7387475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue L, H; 7388826695281344e3a4c4d44d73dd155107aafd689bDan Gohman SplitVectorOp(Node->getOperand(0), L, H); 7389826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 73905db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, L, Node->getOperand(1)); 73915db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, H, Node->getOperand(1)); 7392826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 7393826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 7394826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTTZ: 7395826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTLZ: 7396826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::CTPOP: 7397826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FNEG: 7398826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FABS: 7399826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FSQRT: 7400826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FSIN: 7401b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FCOS: 74027794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 74037794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 74047794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 74057794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 74067794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 7407b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FP_TO_SINT: 7408b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::FP_TO_UINT: 7409b348d18caf834bc26a80e60aa7a2c9b1748734e8Nate Begeman case ISD::SINT_TO_FP: 74107f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::UINT_TO_FP: 74117f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::TRUNCATE: 74127f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ANY_EXTEND: 74137f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SIGN_EXTEND: 74147f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ZERO_EXTEND: 74157f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_EXTEND: { 7416475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue L, H; 7417826695281344e3a4c4d44d73dd155107aafd689bDan Gohman SplitVectorOp(Node->getOperand(0), L, H); 7418826695281344e3a4c4d44d73dd155107aafd689bDan Gohman 74195db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(Node->getOpcode(), NewVT_Lo, L); 74205db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(Node->getOpcode(), NewVT_Hi, H); 7421826695281344e3a4c4d44d73dd155107aafd689bDan Gohman break; 7422826695281344e3a4c4d44d73dd155107aafd689bDan Gohman } 742377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 742477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 742577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue L, H; 742677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SplitVectorOp(Node->getOperand(0), L, H); 742777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOpL = DAG.getValueType(NewVT_Lo); 742877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOpH = DAG.getValueType(NewVT_Hi); 742977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOpL = DAG.getValueType(L.getValueType()); 743077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOpH = DAG.getValueType(H.getValueType()); 743177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 743277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 743377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 743477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 743577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Lo = DAG.getConvertRndSat(NewVT_Lo, L, DTyOpL, STyOpL, 743677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 743777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Hi = DAG.getConvertRndSat(NewVT_Hi, H, DTyOpH, STyOpH, 743877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 743977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 744077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 74417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::LOAD: { 74427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LoadSDNode *LD = cast<LoadSDNode>(Node); 7443475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LD->getChain(); 7444475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LD->getBasePtr(); 74457f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman ISD::LoadExtType ExtType = LD->getExtensionType(); 74467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman const Value *SV = LD->getSrcValue(); 74477f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman int SVOffset = LD->getSrcValueOffset(); 74487f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemoryVT = LD->getMemoryVT(); 74497f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman unsigned Alignment = LD->getAlignment(); 74507f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman bool isVolatile = LD->isVolatile(); 74517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 74527f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman assert(LD->isUnindexed() && "Indexed vector loads are not supported yet!"); 74537f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Offset = DAG.getNode(ISD::UNDEF, Ptr.getValueType()); 74547f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 74557f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewEltVT = MemoryVT.getVectorElementType(); 74567f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewVT_Lo = MVT::getVectorVT(MemNewEltVT, NewNumElts_Lo); 74577f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemNewVT_Hi = MVT::getVectorVT(MemNewEltVT, NewNumElts_Hi); 74587f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 74597f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Lo = DAG.getLoad(ISD::UNINDEXED, ExtType, 74607f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT_Lo, Ch, Ptr, Offset, 74617f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SV, SVOffset, MemNewVT_Lo, isVolatile, Alignment); 74627f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman unsigned IncrementSize = NewNumElts_Lo * MemNewEltVT.getSizeInBits()/8; 7463c7029805ef35ce9805931067b841e6af11db382eChris Lattner Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, 74640bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner DAG.getIntPtrConstant(IncrementSize)); 74657f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman SVOffset += IncrementSize; 7466dc84650679b6330e0fcdd4cf8bc2a351387db7caDuncan Sands Alignment = MinAlign(Alignment, IncrementSize); 74677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Hi = DAG.getLoad(ISD::UNINDEXED, ExtType, 74687f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT_Hi, Ch, Ptr, Offset, 74697f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SV, SVOffset, MemNewVT_Hi, isVolatile, Alignment); 7470c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7471c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Build a factor node to remember that this load is independent of the 7472c7029805ef35ce9805931067b841e6af11db382eChris Lattner // other one. 7473475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue TF = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo.getValue(1), 7474c7029805ef35ce9805931067b841e6af11db382eChris Lattner Hi.getValue(1)); 7475c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7476c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember that we legalized the chain. 7477c7029805ef35ce9805931067b841e6af11db382eChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(TF)); 7478c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7479c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 74807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BIT_CONVERT: { 74817692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner // We know the result is a vector. The input may be either a vector or a 74827692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner // scalar value. 7483475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue InOp = Node->getOperand(0); 748483ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (!InOp.getValueType().isVector() || 748583ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands InOp.getValueType().getVectorNumElements() == 1) { 748610a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // The input is a scalar or single-element vector. 748710a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // Lower to a store/load so that it can be split. 748810a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // FIXME: this could be improved probably. 74892920d2b7b601d9dfcec783cb91316f35b6811be1Mon P Wang unsigned LdAlign = TLI.getTargetData()->getPrefTypeAlignment( 74902920d2b7b601d9dfcec783cb91316f35b6811be1Mon P Wang Op.getValueType().getTypeForMVT()); 7491475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = DAG.CreateStackTemporary(InOp.getValueType(), LdAlign); 7492ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif int FI = cast<FrameIndexSDNode>(Ptr.getNode())->getIndex(); 74937692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner 7494475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue St = DAG.getStore(DAG.getEntryNode(), 749569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman InOp, Ptr, 7496a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(FI), 0); 749769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman InOp = DAG.getLoad(Op.getValueType(), St, Ptr, 7498a54cf176613f9ae8301519a61b8935652c0fb8aeDan Gohman PseudoSourceValue::getFixedStack(FI), 0); 74997692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner } 750010a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman // Split the vector and convert each of the pieces now. 750110a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman SplitVectorOp(InOp, Lo, Hi); 75025db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Lo = DAG.getNode(ISD::BIT_CONVERT, NewVT_Lo, Lo); 75035db1afb462b048bc10e0003db5a770ed960b2ddfNate Begeman Hi = DAG.getNode(ISD::BIT_CONVERT, NewVT_Hi, Hi); 750410a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman break; 75057692eb4201e2071fb2afddcdaa6ba93b5e6abad4Chris Lattner } 7506c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7507c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7508c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember in a map if the values will be reused later. 750940030bfa75ae6d72702bc60e964ae2fce8c0f3edChris Lattner bool isNew = 7510c7029805ef35ce9805931067b841e6af11db382eChris Lattner SplitNodes.insert(std::make_pair(Op, std::make_pair(Lo, Hi))).second; 751110a7aa6dea8d862feda05098d82a7630c80c30d8Dan Gohman assert(isNew && "Value already split?!?"); 7512c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 7513c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7514c7029805ef35ce9805931067b841e6af11db382eChris Lattner 751589b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// ScalarizeVectorOp - Given an operand of single-element vector type 751689b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// (e.g. v1f32), convert it into the equivalent operation that returns a 751789b20c07e9f9539b141c5251ac67cc38afa637d5Dan Gohman/// scalar (e.g. f32) value. 7518475871a144eb604ddaf37503397ba0941442e5fbDan GohmanSDValue SelectionDAGLegalize::ScalarizeVectorOp(SDValue Op) { 751983ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().isVector() && "Bad ScalarizeVectorOp invocation!"); 7520ba36cb5242eb02b12b277f82b9efe497f7da4d7fGabor Greif SDNode *Node = Op.getNode(); 752183ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands MVT NewVT = Op.getValueType().getVectorElementType(); 752283ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands assert(Op.getValueType().getVectorNumElements() == 1); 7523c7029805ef35ce9805931067b841e6af11db382eChris Lattner 75247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // See if we already scalarized it. 7525475871a144eb604ddaf37503397ba0941442e5fbDan Gohman std::map<SDValue, SDValue>::iterator I = ScalarizedNodes.find(Op); 75267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman if (I != ScalarizedNodes.end()) return I->second; 7527c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7528475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Result; 7529c7029805ef35ce9805931067b841e6af11db382eChris Lattner switch (Node->getOpcode()) { 75302332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner default: 7531e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#ifndef NDEBUG 753239833585556a69de12053ca1e104fe7edfd86cbdDan Gohman Node->dump(&DAG); cerr << "\n"; 7533e37fe9b3a1cadceb42ac27fa0718f5a10ea2f0e6Jim Laskey#endif 75347f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(0 && "Unknown vector operation in ScalarizeVectorOp!"); 75357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::ADD: 75367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FADD: 75377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SUB: 75387f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSUB: 75397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::MUL: 75407f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FMUL: 75417f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SDIV: 75427f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UDIV: 75437f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FDIV: 75447f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SREM: 75457f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::UREM: 75467f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FREM: 7547826695281344e3a4c4d44d73dd155107aafd689bDan Gohman case ISD::FPOW: 75487f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::AND: 75497f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::OR: 75507f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::XOR: 75517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(Node->getOpcode(), 7552c7029805ef35ce9805931067b841e6af11db382eChris Lattner NewVT, 75537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0)), 75547f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(1))); 7555c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 75567f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FNEG: 75577f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FABS: 75587f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSQRT: 75597f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FSIN: 75607f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::FCOS: 75617794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG: 75627794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG2: 75637794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FLOG10: 75647794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP: 75657794f2a3a7778bdbc9bdd861db1fe914450e0470Dale Johannesen case ISD::FEXP2: 75667f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_TO_SINT: 75677f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_TO_UINT: 75687f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SINT_TO_FP: 75697f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::UINT_TO_FP: 75707f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::SIGN_EXTEND: 75717f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ZERO_EXTEND: 75727f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::ANY_EXTEND: 75737f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::TRUNCATE: 75747f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_EXTEND: 75757f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = DAG.getNode(Node->getOpcode(), 75767f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman NewVT, 75777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Node->getOperand(0))); 75787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 757977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 758077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue Op0 = ScalarizeVectorOp(Node->getOperand(0)); 758177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(NewVT, Op0, 758277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DAG.getValueType(NewVT), 758377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang DAG.getValueType(Op0.getValueType()), 758477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(3), 758577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Node->getOperand(4), 758677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang cast<CvtRndSatSDNode>(Node)->getCvtCode()); 758777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 758877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 75899e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman case ISD::FPOWI: 75907f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman case ISD::FP_ROUND: 75919e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman Result = DAG.getNode(Node->getOpcode(), 75929e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman NewVT, 75939e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman ScalarizeVectorOp(Node->getOperand(0)), 75949e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman Node->getOperand(1)); 75959e04c82c0ec7c94d82168c07177ff9d1fea5b9d5Dan Gohman break; 75967f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::LOAD: { 75977f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman LoadSDNode *LD = cast<LoadSDNode>(Node); 7598475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ch = LegalizeOp(LD->getChain()); // Legalize the chain. 7599475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Ptr = LegalizeOp(LD->getBasePtr()); // Legalize the pointer. 76007f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman ISD::LoadExtType ExtType = LD->getExtensionType(); 76017f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman const Value *SV = LD->getSrcValue(); 76027f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman int SVOffset = LD->getSrcValueOffset(); 76037f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MVT MemoryVT = LD->getMemoryVT(); 76047f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman unsigned Alignment = LD->getAlignment(); 76057f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman bool isVolatile = LD->isVolatile(); 76067f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 76077f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman assert(LD->isUnindexed() && "Indexed vector loads are not supported yet!"); 76087f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman SDValue Offset = DAG.getNode(ISD::UNDEF, Ptr.getValueType()); 76097f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman 76107f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman Result = DAG.getLoad(ISD::UNINDEXED, ExtType, 76117f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman NewVT, Ch, Ptr, Offset, SV, SVOffset, 76127f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman MemoryVT.getVectorElementType(), 76137f8613e5b8398b688080e3c944ab8c11593e1ed0Dan Gohman isVolatile, Alignment); 76147f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman 7615c7029805ef35ce9805931067b841e6af11db382eChris Lattner // Remember that we legalized the chain. 7616c7029805ef35ce9805931067b841e6af11db382eChris Lattner AddLegalizedOperand(Op.getValue(1), LegalizeOp(Result.getValue(1))); 7617c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 7618c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 76197f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::BUILD_VECTOR: 76207f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = Node->getOperand(0); 76217f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman break; 76227f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::INSERT_VECTOR_ELT: 76237f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Returning the inserted scalar element. 76247f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = Node->getOperand(1); 7625c7029805ef35ce9805931067b841e6af11db382eChris Lattner break; 76267f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::CONCAT_VECTORS: 76276595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman assert(Node->getOperand(0).getValueType() == NewVT && 76286595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman "Concat of non-legal vectors not yet supported!"); 76296595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman Result = Node->getOperand(0); 76306595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 76317f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::VECTOR_SHUFFLE: { 76327f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman // Figure out if the scalar is the LHS or RHS and return it. 7633475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue EltNum = Node->getOperand(2).getOperand(0); 7634f5aeb1a8e4cf272c7348376d185ef8d8267653e0Dan Gohman if (cast<ConstantSDNode>(EltNum)->getZExtValue()) 76357f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ScalarizeVectorOp(Node->getOperand(1)); 76367f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman else 76377f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman Result = ScalarizeVectorOp(Node->getOperand(0)); 76382332b9f16fe17d1886566729b2241b8cd90f9916Chris Lattner break; 76397f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman } 76407f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::EXTRACT_SUBVECTOR: 7641e0b436ac41a00bc210163964d3cf393c8b487c9eMon P Wang Result = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewVT, Node->getOperand(0), 7642aeb06d246254e4829a49164a11eacced9a43d9d4Mon P Wang Node->getOperand(1)); 76436595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman break; 7644446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng case ISD::BIT_CONVERT: { 7645475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0 = Op.getOperand(0); 764683ec4b6711980242ef3c55a4fa36b2d7a39c1bfbDuncan Sands if (Op0.getValueType().getVectorNumElements() == 1) 7647446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng Op0 = ScalarizeVectorOp(Op0); 7648446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, Op0); 7649db3c626eb9e85e9192dbee59ff0c4d143c37c94dEvan Cheng break; 7650446efddfcd655131bd0ceeacce9c1166e30ed479Evan Cheng } 76517f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman case ISD::SELECT: 7652b22e35a3c3bec07f5559c1476b3143e0d6d64269Chris Lattner Result = DAG.getNode(ISD::SELECT, NewVT, Op.getOperand(0), 76537f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Op.getOperand(1)), 76547f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman ScalarizeVectorOp(Op.getOperand(2))); 7655b22e35a3c3bec07f5559c1476b3143e0d6d64269Chris Lattner break; 765680c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner case ISD::SELECT_CC: 765780c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Result = DAG.getNode(ISD::SELECT_CC, NewVT, Node->getOperand(0), 765880c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Node->getOperand(1), 765980c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner ScalarizeVectorOp(Op.getOperand(2)), 766080c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner ScalarizeVectorOp(Op.getOperand(3)), 766180c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner Node->getOperand(4)); 766280c1a5622a26794873b0d44e27c04926cd6c6be1Chris Lattner break; 76630d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman case ISD::VSETCC: { 7664475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op0 = ScalarizeVectorOp(Op.getOperand(0)); 7665475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue Op1 = ScalarizeVectorOp(Op.getOperand(1)); 76660d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Result = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Op0), Op0, Op1, 76670d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Op.getOperand(2)); 76680d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman Result = DAG.getNode(ISD::SELECT, NewVT, Result, 76690d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman DAG.getConstant(-1ULL, NewVT), 76700d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman DAG.getConstant(0ULL, NewVT)); 76710d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman break; 76720d1704b955f9c7ae20e0b3a35b75aaab26e48cfdNate Begeman } 7673c7029805ef35ce9805931067b841e6af11db382eChris Lattner } 7674c7029805ef35ce9805931067b841e6af11db382eChris Lattner 7675c7029805ef35ce9805931067b841e6af11db382eChris Lattner if (TLI.isTypeLegal(NewVT)) 7676c7029805ef35ce9805931067b841e6af11db382eChris Lattner Result = LegalizeOp(Result); 76777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman bool isNew = ScalarizedNodes.insert(std::make_pair(Op, Result)).second; 76787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman assert(isNew && "Value already scalarized?"); 7679c7029805ef35ce9805931067b841e6af11db382eChris Lattner return Result; 7680c7029805ef35ce9805931067b841e6af11db382eChris Lattner} 7681c7029805ef35ce9805931067b841e6af11db382eChris Lattner 76823e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 76830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::WidenVectorOp(SDValue Op, MVT WidenVT) { 76840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = WidenNodes.find(Op); 76850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) return I->second; 76860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 76870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VT = Op.getValueType(); 76880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(VT.isVector() && "Cannot widen non-vector type!"); 76890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 76900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Result; 76910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDNode *Node = Op.getNode(); 76920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT = VT.getVectorElementType(); 76930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 76940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumElts = VT.getVectorNumElements(); 76950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NewNumElts = WidenVT.getVectorNumElements(); 76960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts > NumElts && "Cannot widen to smaller type!"); 76970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts < 17); 76980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 76990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // When widen is called, it is assumed that it is more efficient to use a 77000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // wide type. The default action is to widen to operation to a wider legal 77010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector type and then do the operation if it is legal by calling LegalizeOp 77020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // again. If there is no vector equivalent, we will unroll the operation, do 77030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // it, and rebuild the vector. If most of the operations are vectorizible to 77040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the legal type, the resulting code will be more efficient. If this is not 77050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the case, the resulting code will preform badly as we end up generating 77060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // code to pack/unpack the results. It is the function that calls widen 7707f007a8b931e229eb325319c97363be8507311e2eMon P Wang // that is responsible for seeing this doesn't happen. 77080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (Node->getOpcode()) { 77090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: 77100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang#ifndef NDEBUG 77110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Node->dump(&DAG); 77120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang#endif 77130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 77140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 77150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CopyFromReg: 771649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang assert(0 && "CopyFromReg doesn't need widening!"); 77170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::Constant: 77180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ConstantFP: 77190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // To build a vector of these elements, clients should call BuildVector 77200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // and with each element instead of creating a node with a vector type 77210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 77220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::VAARG: 77230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Variable Arguments with vector types doesn't make any sense to me 77240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Unexpected operation in WidenVectorOp!"); 77250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 772649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::UNDEF: 772749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = DAG.getNode(ISD::UNDEF, WidenVT); 772849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang break; 77290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BUILD_VECTOR: { 77300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Build a vector with undefined for the new nodes 77310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector NewOps(Node->op_begin(), Node->op_end()); 77320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = NumElts; i < NewNumElts; ++i) { 77330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getNode(ISD::UNDEF,EVT)); 77340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::BUILD_VECTOR, WidenVT, &NewOps[0], NewOps.size()); 77360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 77370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::INSERT_VECTOR_ELT: { 77390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 77400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::INSERT_VECTOR_ELT, WidenVT, Tmp1, 77410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Node->getOperand(1), Node->getOperand(2)); 77420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 77430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::VECTOR_SHUFFLE: { 77450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 77460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), WidenVT); 77470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // VECTOR_SHUFFLE 3rd operand must be a constant build vector that is 77480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // used as permutation array. We build the vector here instead of widening 77490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // because we don't want to legalize and have it turned to something else. 77500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue PermOp = Node->getOperand(2); 77510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector NewOps; 77520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT PVT = PermOp.getValueType().getVectorElementType(); 77530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = 0; i < NumElts; ++i) { 77540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (PermOp.getOperand(i).getOpcode() == ISD::UNDEF) { 77550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(PermOp.getOperand(i)); 77560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } else { 77570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 77580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang cast<ConstantSDNode>(PermOp.getOperand(i))->getZExtValue(); 77590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (Idx < NumElts) { 77600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(PermOp.getOperand(i)); 77610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 77630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getConstant(Idx + NewNumElts - NumElts, 77640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang PermOp.getOperand(i).getValueType())); 77650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = NumElts; i < NewNumElts; ++i) { 77690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang NewOps.push_back(DAG.getNode(ISD::UNDEF,PVT)); 77700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp3 = DAG.getNode(ISD::BUILD_VECTOR, 77730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT::getVectorVT(PVT, NewOps.size()), 77740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &NewOps[0], NewOps.size()); 77750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(ISD::VECTOR_SHUFFLE, WidenVT, Tmp1, Tmp2, Tmp3); 77770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 77780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::LOAD: { 77800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // If the load widen returns true, we can use a single load for the 77810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector. Otherwise, it is returning a token factor for multiple 77820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // loads. 77830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue TFOp; 77840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LoadWidenVectorOp(Result, TFOp, Op, WidenVT)) 77850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang AddLegalizedOperand(Op.getValue(1), LegalizeOp(TFOp.getValue(1))); 77860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else 77870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang AddLegalizedOperand(Op.getValue(1), LegalizeOp(TFOp.getValue(0))); 77880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 77890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 77900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 77910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BIT_CONVERT: { 77920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = Node->getOperand(0); 77930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Converts between two different types so we need to determine 77940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the correct widen type for the input operand. 77950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TVT = Tmp1.getValueType(); 77960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "can not widen non vector type"); 77970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TEVT = TVT.getVectorElementType(); 77980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(WidenVT.getSizeInBits() % EVT.getSizeInBits() == 0 && 77990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang "can not widen bit bit convert that are not multiple of element type"); 78000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TWidenVT = MVT::getVectorVT(TEVT, 78010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang WidenVT.getSizeInBits()/EVT.getSizeInBits()); 78020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TWidenVT); 78030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType().getSizeInBits() == WidenVT.getSizeInBits()); 78040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 78050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 78070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 78080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 78090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 78100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 78110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 78130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 78140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 78160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 78170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 78180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SINT_TO_FP: 78240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UINT_TO_FP: 78250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_TO_SINT: 78260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_TO_UINT: { 78270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = Node->getOperand(0); 78280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Converts between two different types so we need to determine 78290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the correct widen type for the input operand. 78300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TVT = Tmp1.getValueType(); 78310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TVT.isVector() && "can not widen non vector type"); 78320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TEVT = TVT.getVectorElementType(); 78330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT TWidenVT = MVT::getVectorVT(TEVT, NewNumElts); 78340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TWidenVT); 78350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType().getVectorNumElements() == NewNumElts); 78360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 78370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 78390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 78400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 78410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 78420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 78430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 78450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 78460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 78480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 78490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 78500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_EXTEND: 78560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(0 && "Case not implemented. Dynamically dead with 2 FP types!"); 78570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::TRUNCATE: 78580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SIGN_EXTEND: 78590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ZERO_EXTEND: 78600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ANY_EXTEND: 78610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FP_ROUND: 78620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SIGN_EXTEND_INREG: 78630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FABS: 78640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FNEG: 78650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSQRT: 78660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSIN: 786749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::FCOS: 786849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTPOP: 786949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTTZ: 787049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang case ISD::CTLZ: { 78710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Unary op widening 78720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1; 78730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 78740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 78750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 78760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 78770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 78780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1); 78790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 78800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 78810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 78820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 78840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 78850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 78870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 78880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 78890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 78910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 78920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 789377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case ISD::CONVERT_RNDSAT: { 789477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue RndOp = Node->getOperand(3); 789577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SatOp = Node->getOperand(4); 789677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 789777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TargetLowering::LegalizeAction action = 789877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 789977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 790077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue SrcOp = Node->getOperand(0); 790177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 790277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // Converts between two different types so we need to determine 790377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // the correct widen type for the input operand. 790477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SVT = SrcOp.getValueType(); 790577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert(SVT.isVector() && "can not widen non vector type"); 790677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SEVT = SVT.getVectorElementType(); 790777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang MVT SWidenVT = MVT::getVectorVT(SEVT, NewNumElts); 790877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 790977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SrcOp = WidenVectorOp(SrcOp, SWidenVT); 791077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang assert(SrcOp.getValueType() == WidenVT); 791177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue DTyOp = DAG.getValueType(WidenVT); 791277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang SDValue STyOp = DAG.getValueType(SrcOp.getValueType()); 791377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(Node)->getCvtCode(); 791477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang 791577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = DAG.getConvertRndSat(WidenVT, SrcOp, DTyOp, STyOp, 791677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang RndOp, SatOp, CvtCode); 791777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang switch (action) { 791877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang default: assert(0 && "action not supported"); 791977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case TargetLowering::Legal: 792077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 792177cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case TargetLowering::Promote: 792277cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // We defer the promotion to when we legalize the op 792377cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 792477cdf30742284a173fe818417eb482224cdee8d4Mon P Wang case TargetLowering::Expand: 792577cdf30742284a173fe818417eb482224cdee8d4Mon P Wang // Expand the operation into a bunch of nasty scalar code. 792677cdf30742284a173fe818417eb482224cdee8d4Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 792777cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 792877cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 792977cdf30742284a173fe818417eb482224cdee8d4Mon P Wang break; 793077cdf30742284a173fe818417eb482224cdee8d4Mon P Wang } 79310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FPOW: 79320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FPOWI: 79330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ADD: 79340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SUB: 79350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MUL: 79360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MULHS: 79370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::MULHU: 79380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::AND: 79390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::OR: 79400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::XOR: 79410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FADD: 79420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FSUB: 79430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FMUL: 79440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SDIV: 79450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SREM: 79460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FDIV: 79470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FREM: 79480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::FCOPYSIGN: 79490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UDIV: 79500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::UREM: 79510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::BSWAP: { 79520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Binary op widening 79530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 79540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 79550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 79570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), WidenVT); 79580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT); 79590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Tmp2); 79600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 79610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 79620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 79630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 79650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 79660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 79680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code by first 79690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Widening to the right type and then unroll the beast. 79700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 79710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SHL: 79770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SRA: 79780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SRL: { 79790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Binary op with one non vector operand 79800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 79810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 79820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 79830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 79840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 79850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Node->getOperand(1)); 79860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 79870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 79880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 79890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 79910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 79920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 79940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code. 79950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 79960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 79980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 79990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::EXTRACT_VECTOR_ELT: { 80010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(0), WidenVT); 80020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT); 80030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), EVT, Tmp1, Node->getOperand(1)); 80040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::CONCAT_VECTORS: { 80070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We concurrently support only widen on a multiple of the incoming vector. 80080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We could widen on a multiple of the incoming operand if necessary. 80090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumConcat = NewNumElts / NumElts; 80100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(NewNumElts % NumElts == 0 && "Can widen only a multiple of vector"); 80110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::vector<SDValue> UnOps(NumElts, DAG.getNode(ISD::UNDEF, 80120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VT.getVectorElementType())); 80130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue UndefVal = DAG.getNode(ISD::BUILD_VECTOR, VT, 80140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &UnOps[0], UnOps.size()); 80150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SmallVector<SDValue, 8> MOps; 80160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MOps.push_back(Op); 80170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang for (unsigned i = 1; i != NumConcat; ++i) { 80180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MOps.push_back(UndefVal); 80190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, WidenVT, 80210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang &MOps[0], MOps.size())); 80220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::EXTRACT_SUBVECTOR: { 802549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue Tmp1 = Node->getOperand(0); 802649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue Idx = Node->getOperand(1); 802749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang ConstantSDNode *CIdx = dyn_cast<ConstantSDNode>(Idx); 802849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (CIdx && CIdx->getZExtValue() == 0) { 802949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // Since we are access the start of the vector, the incoming 803049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // vector type might be the proper. 803149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MVT Tmp1VT = Tmp1.getValueType(); 803249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (Tmp1VT == WidenVT) 803349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang return Tmp1; 803449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang else { 803549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang unsigned Tmp1VTNumElts = Tmp1VT.getVectorNumElements(); 803649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang if (Tmp1VTNumElts < NewNumElts) 803749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = WidenVectorOp(Tmp1, WidenVT); 803849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang else 803949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = DAG.getNode(ISD::EXTRACT_SUBVECTOR, WidenVT, Tmp1, Idx); 804049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 804149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } else if (NewNumElts % NumElts == 0) { 804249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // Widen the extracted subvector. 804349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang unsigned NumConcat = NewNumElts / NumElts; 804449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue UndefVal = DAG.getNode(ISD::UNDEF, VT); 804549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SmallVector<SDValue, 8> MOps; 804649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MOps.push_back(Op); 804749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang for (unsigned i = 1; i != NumConcat; ++i) { 804849292f16517227196e0240190b61baaa8fc4aa62Mon P Wang MOps.push_back(UndefVal); 804949292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 805049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Result = LegalizeOp(DAG.getNode(ISD::CONCAT_VECTORS, WidenVT, 805149292f16517227196e0240190b61baaa8fc4aa62Mon P Wang &MOps[0], MOps.size())); 805249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } else { 805349292f16517227196e0240190b61baaa8fc4aa62Mon P Wang assert(0 && "can not widen extract subvector"); 805449292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // This could be implemented using insert and build vector but I would 805549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang // like to see when this happens. 805649292f16517227196e0240190b61baaa8fc4aa62Mon P Wang } 80570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SELECT: { 80610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 80620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 80630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Determine new condition widen type and widen 80650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond1 = Node->getOperand(0); 80660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondVT = Cond1.getValueType(); 80670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT.isVector() && "can not widen non vector type"); 80680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondEVT = CondVT.getVectorElementType(); 80690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondWidenVT = MVT::getVectorVT(CondEVT, NewNumElts); 80700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond1 = WidenVectorOp(Cond1, CondWidenVT); 80710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Cond1.getValueType() == CondWidenVT && "Condition not widen"); 80720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(1), WidenVT); 80740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(2), WidenVT); 80750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT); 80760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Cond1, Tmp1, Tmp2); 80770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 80780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 80790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 80800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 80820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 80830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 80850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code by first 80860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Widening to the right type and then unroll the beast. 80870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 80880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 80910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 80920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::SELECT_CC: { 80940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TargetLowering::LegalizeAction action = 80950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TLI.getOperationAction(Node->getOpcode(), WidenVT); 80960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 80970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Determine new condition widen type and widen 80980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond1 = Node->getOperand(0); 80990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Cond2 = Node->getOperand(1); 81000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondVT = Cond1.getValueType(); 81010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT.isVector() && "can not widen non vector type"); 81020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(CondVT == Cond2.getValueType() && "mismatch lhs/rhs"); 81030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondEVT = CondVT.getVectorElementType(); 81040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT CondWidenVT = MVT::getVectorVT(CondEVT, NewNumElts); 81050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond1 = WidenVectorOp(Cond1, CondWidenVT); 81060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond2 = WidenVectorOp(Cond2, CondWidenVT); 81070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Cond1.getValueType() == CondWidenVT && 81080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Cond2.getValueType() == CondWidenVT && "condition not widen"); 81090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 81100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp1 = WidenVectorOp(Node->getOperand(2), WidenVT); 81110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(3), WidenVT); 81120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Tmp1.getValueType() == WidenVT && Tmp2.getValueType() == WidenVT && 81130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang "operands not widen"); 81140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Cond1, Cond2, Tmp1, 81150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Tmp2, Node->getOperand(4)); 81160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang switch (action) { 81170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang default: assert(0 && "action not supported"); 81180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Legal: 81190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Promote: 81210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We defer the promotion to when we legalize the op 81220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case TargetLowering::Expand: 81240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Expand the operation into a bunch of nasty scalar code by first 81250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Widening to the right type and then unroll the beast. 81260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(UnrollVectorOp(Result)); 81270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81302eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang } 81312eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang case ISD::VSETCC: { 81322eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang // Determine widen for the operand 81332eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang SDValue Tmp1 = Node->getOperand(0); 81342eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpVT = Tmp1.getValueType(); 81352eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang assert(TmpVT.isVector() && "can not widen non vector type"); 81362eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpEVT = TmpVT.getVectorElementType(); 81372eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang MVT TmpWidenVT = MVT::getVectorVT(TmpEVT, NewNumElts); 81382eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Tmp1 = WidenVectorOp(Tmp1, TmpWidenVT); 81392eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang SDValue Tmp2 = WidenVectorOp(Node->getOperand(1), TmpWidenVT); 81402eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Result = DAG.getNode(Node->getOpcode(), WidenVT, Tmp1, Tmp2, 81412eb13c347f0e76d1e9306225b972a7d050d8a461Mon P Wang Node->getOperand(2)); 81420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_8: 81450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_16: 81460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_32: 81470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_CMP_SWAP_64: 81480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_8: 81490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_8: 81500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_8: 81510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_8: 81520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_8: 81530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_8: 81540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_8: 81550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_8: 81560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_8: 81570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_8: 81580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_8: 81590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_16: 81600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_16: 81610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_16: 81620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_16: 81630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_16: 81640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_16: 81650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_16: 81660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_16: 81670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_16: 81680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_16: 81690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_16: 81700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_32: 81710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_32: 81720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_32: 81730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_32: 81740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_32: 81750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_32: 81760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_32: 81770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_32: 81780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_32: 81790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_32: 81800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_32: 81810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_ADD_64: 81820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_SUB_64: 81830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_AND_64: 81840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_OR_64: 81850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_XOR_64: 81860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_NAND_64: 81870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MIN_64: 81880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_MAX_64: 81890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMIN_64: 81900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_LOAD_UMAX_64: 81910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang case ISD::ATOMIC_SWAP_64: { 81920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // For now, we assume that using vectors for these operations don't make 81930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // much sense so we just split it. We return an empty result 81940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue X, Y; 81950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SplitVectorOp(Op, X, Y); 81960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return Result; 81970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang break; 81980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 81990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } // end switch (Node->getOpcode()) 82010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(Result.getNode() && "Didn't set a result!"); 82030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (Result != Op) 82040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = LegalizeOp(Result); 82050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 8206f007a8b931e229eb325319c97363be8507311e2eMon P Wang AddWidenedOperand(Op, Result); 82070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return Result; 82080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 82090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Utility function to find a legal vector type and its associated element 82110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// type from a preferred width and whose vector type must be the same size 82120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// as the VVT. 82130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// TLI: Target lowering used to determine legal types 82140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Width: Preferred width of element type 82150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// VVT: Vector value type whose size we must match. 82160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang// Returns VecEVT and EVT - the vector type and its associated element type 82170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangstatic void FindWidenVecType(TargetLowering &TLI, unsigned Width, MVT VVT, 82180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT& EVT, MVT& VecEVT) { 82190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We start with the preferred width, make it a power of 2 and see if 82200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we can find a vector type of that width. If not, we reduce it by 82210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // another power of 2. If we have widen the type, a vector of bytes should 82220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // always be legal. 82230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(TLI.isTypeLegal(VVT)); 82240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EWidth = Width + 1; 82250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang do { 82260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(EWidth > 0); 82270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EWidth = (1 << Log2_32(EWidth-1)); 82280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVT = MVT::getIntegerVT(EWidth); 82290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned NumEVT = VVT.getSizeInBits()/EWidth; 82300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecEVT = MVT::getVectorVT(EVT, NumEVT); 82310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } while (!TLI.isTypeLegal(VecEVT) || 82320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VVT.getSizeInBits() != VecEVT.getSizeInBits()); 82330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 82340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::genWidenVectorLoads(SDValueVector& LdChain, 82360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 82370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, 82380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV, 82390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, 82400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment, 82410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, 82420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned LdWidth, 82430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT ResType) { 82440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // We assume that we have good rules to handle loading power of two loads so 82450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we break down the operations to power of 2 loads. The strategy is to 82460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // load the largest power of 2 that we can easily transform to a legal vector 82470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // and then insert into that vector, and the cast the result into the legal 82480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector that we want. This avoids unnecessary stack converts. 82490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: If the Ldwidth is legal, alignment is the same as the LdWidth, and 82500c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // the load is nonvolatile, we an use a wider load for the value. 82510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Find a vector length we can load a large chunk 82520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT, VecEVT; 82530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EVTWidth; 82540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, LdWidth, ResType, EVT, VecEVT); 82550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 82560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue LdOp = DAG.getLoad(EVT, Chain, BasePtr, SV, SVOffset, 82580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 82590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue VecOp = DAG.getNode(ISD::SCALAR_TO_VECTOR, VecEVT, LdOp); 82600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdChain.push_back(LdOp.getValue(1)); 82610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we can load the element with one instruction 82630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdWidth == EVTWidth) { 82640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::BIT_CONVERT, ResType, VecOp); 82650c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // The vector element order is endianness dependent. 82680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 1; 82690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdWidth -= EVTWidth; 82700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Offset = 0; 82710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang while (LdWidth > 0) { 82730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Increment = EVTWidth / 8; 82740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Offset += Increment; 82750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang BasePtr = DAG.getNode(ISD::ADD, BasePtr.getValueType(), BasePtr, 82760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Increment)); 82770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdWidth < EVTWidth) { 82790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Our current type we are using is too large, use a smaller size by 82800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // using a smaller power of 2 82810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned oEVTWidth = EVTWidth; 82820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, LdWidth, ResType, EVT, VecEVT); 82830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 82840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Readjust position and vector position based on new load type 828549292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Idx = Idx * (oEVTWidth/EVTWidth); 82860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, VecOp); 82870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue LdOp = DAG.getLoad(EVT, Chain, BasePtr, SV, 82900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset+Offset, isVolatile, 82910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MinAlign(Alignment, Offset)); 82920c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdChain.push_back(LdOp.getValue(1)); 82930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::INSERT_VECTOR_ELT, VecEVT, VecOp, LdOp, 82940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Idx++)); 82950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LdWidth -= EVTWidth; 82970c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 82980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 82990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::BIT_CONVERT, ResType, VecOp); 83000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 83010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangbool SelectionDAGLegalize::LoadWidenVectorOp(SDValue& Result, 83030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue& TFOp, 83040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Op, 83050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT NVT) { 83060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: Add support for ConcatVec and the ability to load many vector 83070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // types (e.g., v4i8). This will not work when a vector register 83080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // to memory mapping is strange (e.g., vector elements are not 83090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // stored in some sequential order). 83100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It must be true that the widen vector type is bigger than where 83120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we need to load from. 83130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang LoadSDNode *LD = cast<LoadSDNode>(Op.getNode()); 83140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT LdVT = LD->getMemoryVT(); 83150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(LdVT.isVector() && NVT.isVector()); 83160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(LdVT.getVectorElementType() == NVT.getVectorElementType()); 83170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Load information 83190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain = LD->getChain(); 83200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr = LD->getBasePtr(); 83210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset = LD->getSrcValueOffset(); 83220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment = LD->getAlignment(); 83230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile = LD->isVolatile(); 83240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV = LD->getSrcValue(); 83250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned int LdWidth = LdVT.getSizeInBits(); 83260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Load value as a large register 83280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector LdChain; 83290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Result = genWidenVectorLoads(LdChain, Chain, BasePtr, SV, SVOffset, 83300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Alignment, isVolatile, LdWidth, NVT); 83310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (LdChain.size() == 1) { 83330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TFOp = LdChain[0]; 83340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return true; 83350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else { 83370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang TFOp=DAG.getNode(ISD::TokenFactor, MVT::Other, &LdChain[0], LdChain.size()); 83380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return false; 83390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 83410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83430c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wangvoid SelectionDAGLegalize::genWidenVectorStores(SDValueVector& StChain, 83440c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 83450c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr, 83460c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang const Value *SV, 83470c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang int SVOffset, 83480c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Alignment, 83490c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang bool isVolatile, 835049292f16517227196e0240190b61baaa8fc4aa62Mon P Wang SDValue ValOp, 83510c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned StWidth) { 83520c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Breaks the stores into a series of power of 2 width stores. For any 83530c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // width, we convert the vector to the vector of element size that we 83540c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // want to store. This avoids requiring a stack convert. 83550c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83560c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Find a width of the element type we can store with 83570c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = ValOp.getValueType(); 83580c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT EVT, VecEVT; 83590c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned EVTWidth; 83600c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, StWidth, VVT, EVT, VecEVT); 83610c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 83620c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83630c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, ValOp); 83640c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp, 8365e0b436ac41a00bc210163964d3cf393c8b487c9eMon P Wang DAG.getIntPtrConstant(0)); 83660c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue StOp = DAG.getStore(Chain, EOp, BasePtr, SV, SVOffset, 83670c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang isVolatile, Alignment); 83680c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StChain.push_back(StOp); 83690c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83700c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we are done 83710c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StWidth == EVTWidth) { 83720c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return; 83730c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83740c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83750c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Idx = 1; 83760c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StWidth -= EVTWidth; 83770c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Offset = 0; 83780c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83790c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang while (StWidth > 0) { 83800c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned Increment = EVTWidth / 8; 83810c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang Offset += Increment; 83820c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang BasePtr = DAG.getNode(ISD::ADD, BasePtr.getValueType(), BasePtr, 83830c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang DAG.getIntPtrConstant(Increment)); 83840c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83850c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StWidth < EVTWidth) { 83860c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Our current type we are using is too large, use a smaller size by 83870c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // using a smaller power of 2 83880c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang unsigned oEVTWidth = EVTWidth; 83890c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang FindWidenVecType(TLI, StWidth, VVT, EVT, VecEVT); 83900c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EVTWidth = EVT.getSizeInBits(); 83910c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Readjust position and vector position based on new load type 839249292f16517227196e0240190b61baaa8fc4aa62Mon P Wang Idx = Idx * (oEVTWidth/EVTWidth); 83930c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, VecOp); 83940c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 83950c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 83960c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp, 839749292f16517227196e0240190b61baaa8fc4aa62Mon P Wang DAG.getIntPtrConstant(Idx++)); 83980c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StChain.push_back(DAG.getStore(Chain, EOp, BasePtr, SV, 83990c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SVOffset + Offset, isVolatile, 84000c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MinAlign(Alignment, Offset))); 84010c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang StWidth -= EVTWidth; 84020c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang } 84030c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 84040c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84050c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84060c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P WangSDValue SelectionDAGLegalize::StoreWidenVectorOp(StoreSDNode *ST, 84070c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue Chain, 84080c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue BasePtr) { 84090c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // TODO: It might be cleaner if we can use SplitVector and have more legal 84100c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // vector types that can be stored into memory (e.g., v4xi8 can 84110c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // be stored as a word). This will not work when a vector register 84120c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // to memory mapping is strange (e.g., vector elements are not 84130c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // stored in some sequential order). 84140c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84150c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT StVT = ST->getMemoryVT(); 84160c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValue ValOp = ST->getValue(); 84170c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84180c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Check if we have widen this node with another value 84190c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang std::map<SDValue, SDValue>::iterator I = WidenNodes.find(ValOp); 84200c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (I != WidenNodes.end()) 84210c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ValOp = I->second; 84220c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84230c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang MVT VVT = ValOp.getValueType(); 84240c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84250c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // It must be true that we the widen vector type is bigger than where 84260c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // we need to store. 84270c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.isVector() && VVT.isVector()); 84280c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.getSizeInBits() < VVT.getSizeInBits()); 84290c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang assert(StVT.getVectorElementType() == VVT.getVectorElementType()); 84300c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84310c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang // Store value 84320c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang SDValueVector StChain; 84330c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang genWidenVectorStores(StChain, Chain, BasePtr, ST->getSrcValue(), 84340c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ST->getSrcValueOffset(), ST->getAlignment(), 84350c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang ST->isVolatile(), ValOp, StVT.getSizeInBits()); 84360c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang if (StChain.size() == 1) 84370c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return StChain[0]; 84380c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang else 84390c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang return DAG.getNode(ISD::TokenFactor, MVT::Other,&StChain[0],StChain.size()); 84400c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang} 84410c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84420c39719bfc7d0b3e61fbd55e1115184a1d5f6ae7Mon P Wang 84433e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// SelectionDAG::Legalize - This is the entry point for the file. 84443e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner// 84459c32d3b798dc6caeebe6cea2effe80ca5e84e66eChris Lattnervoid SelectionDAG::Legalize() { 84463e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// run - This is the main entry point to this class. 84473e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner /// 8448456a93afcec7740c45cafa8354317f7b17987a6dChris Lattner SelectionDAGLegalize(*this).LegalizeDAG(); 84493e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner} 84503e928bbd6153eb08641cbd0ad7d8487378a8b12aChris Lattner 8451