lib/Analysis/TargetTransformInfo.cpp

   1 //===- llvm/Analysis/TargetTransformInfo.cpp ------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/Analysis/TargetTransformInfo.h"
  11 #include "llvm/Analysis/TargetTransformInfoImpl.h"
  12 #include "llvm/IR/CallSite.h"
  13 #include "llvm/IR/DataLayout.h"
  14 #include "llvm/IR/Instruction.h"
  15 #include "llvm/IR/Instructions.h"
  16 #include "llvm/IR/IntrinsicInst.h"
  17 #include "llvm/IR/Operator.h"
  18 #include "llvm/Support/ErrorHandling.h"
  19
  20 using namespace llvm;
  21
  22 #define DEBUG_TYPE "tti"
  23
  24 TargetTransformInfo::~TargetTransformInfo() {}
  25
  26 TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg)
  27     : TTIImpl(std::move(Arg.TTIImpl)) {}
  28
  29 TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) {
  30   TTIImpl = std::move(RHS.TTIImpl);
  31   return *this;
  32 }
  33
  34 unsigned TargetTransformInfo::getOperationCost(unsigned Opcode, Type *Ty,
  35                                                Type *OpTy) const {
  36   return TTIImpl->getOperationCost(Opcode, Ty, OpTy);
  37 }
  38
  39 unsigned TargetTransformInfo::getCallCost(FunctionType *FTy,
  40                                           int NumArgs) const {
  41   return TTIImpl->getCallCost(FTy, NumArgs);
  42 }
  43
  44 unsigned
  45 TargetTransformInfo::getCallCost(const Function *F,
  46                                  ArrayRef<const Value *> Arguments) const {
  47   return TTIImpl->getCallCost(F, Arguments);
  48 }
  49
  50 unsigned
  51 TargetTransformInfo::getIntrinsicCost(Intrinsic::ID IID, Type *RetTy,
  52                                       ArrayRef<const Value *> Arguments) const {
  53   return TTIImpl->getIntrinsicCost(IID, RetTy, Arguments);
  54 }
  55
  56 unsigned TargetTransformInfo::getUserCost(const User *U) const {
  57   return TTIImpl->getUserCost(U);
  58 }
  59
  60 bool TargetTransformInfo::hasBranchDivergence() const {
  61   return TTIImpl->hasBranchDivergence();
  62 }
  63
  64 bool TargetTransformInfo::isLoweredToCall(const Function *F) const {
  65   return TTIImpl->isLoweredToCall(F);
  66 }
  67
  68 void TargetTransformInfo::getUnrollingPreferences(
  69     const Function *F, Loop *L, UnrollingPreferences &UP) const {
  70   return TTIImpl->getUnrollingPreferences(F, L, UP);
  71 }
  72
  73 bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const {
  74   return TTIImpl->isLegalAddImmediate(Imm);
  75 }
  76
  77 bool TargetTransformInfo::isLegalICmpImmediate(int64_t Imm) const {
  78   return TTIImpl->isLegalICmpImmediate(Imm);
  79 }
  80
  81 bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
  82                                                 int64_t BaseOffset,
  83                                                 bool HasBaseReg,
  84                                                 int64_t Scale) const {
  85   return TTIImpl->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg,
  86                                         Scale);
  87 }
  88
  89 bool TargetTransformInfo::isLegalMaskedStore(Type *DataType,
  90                                              int Consecutive) const {
  91   return TTIImpl->isLegalMaskedStore(DataType, Consecutive);
  92 }
  93
  94 bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType,
  95                                             int Consecutive) const {
  96   return TTIImpl->isLegalMaskedLoad(DataType, Consecutive);
  97 }
  98
  99 int TargetTransformInfo::getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
 100                                               int64_t BaseOffset,
 101                                               bool HasBaseReg,
 102                                               int64_t Scale) const {
 103   return TTIImpl->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg,
 104                                        Scale);
 105 }
 106
 107 bool TargetTransformInfo::isTruncateFree(Type *Ty1, Type *Ty2) const {
 108   return TTIImpl->isTruncateFree(Ty1, Ty2);
 109 }
 110
 111 bool TargetTransformInfo::isTypeLegal(Type *Ty) const {
 112   return TTIImpl->isTypeLegal(Ty);
 113 }
 114
 115 unsigned TargetTransformInfo::getJumpBufAlignment() const {
 116   return TTIImpl->getJumpBufAlignment();
 117 }
 118
 119 unsigned TargetTransformInfo::getJumpBufSize() const {
 120   return TTIImpl->getJumpBufSize();
 121 }
 122
 123 bool TargetTransformInfo::shouldBuildLookupTables() const {
 124   return TTIImpl->shouldBuildLookupTables();
 125 }
 126
 127 TargetTransformInfo::PopcntSupportKind
 128 TargetTransformInfo::getPopcntSupport(unsigned IntTyWidthInBit) const {
 129   return TTIImpl->getPopcntSupport(IntTyWidthInBit);
 130 }
 131
 132 bool TargetTransformInfo::haveFastSqrt(Type *Ty) const {
 133   return TTIImpl->haveFastSqrt(Ty);
 134 }
 135
 136 unsigned TargetTransformInfo::getIntImmCost(const APInt &Imm, Type *Ty) const {
 137   return TTIImpl->getIntImmCost(Imm, Ty);
 138 }
 139
 140 unsigned TargetTransformInfo::getIntImmCost(unsigned Opcode, unsigned Idx,
 141                                             const APInt &Imm, Type *Ty) const {
 142   return TTIImpl->getIntImmCost(Opcode, Idx, Imm, Ty);
 143 }
 144
 145 unsigned TargetTransformInfo::getIntImmCost(Intrinsic::ID IID, unsigned Idx,
 146                                             const APInt &Imm, Type *Ty) const {
 147   return TTIImpl->getIntImmCost(IID, Idx, Imm, Ty);
 148 }
 149
 150 unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const {
 151   return TTIImpl->getNumberOfRegisters(Vector);
 152 }
 153
 154 unsigned TargetTransformInfo::getRegisterBitWidth(bool Vector) const {
 155   return TTIImpl->getRegisterBitWidth(Vector);
 156 }
 157
 158 unsigned TargetTransformInfo::getMaxInterleaveFactor() const {
 159   return TTIImpl->getMaxInterleaveFactor();
 160 }
 161
 162 unsigned TargetTransformInfo::getArithmeticInstrCost(
 163     unsigned Opcode, Type *Ty, OperandValueKind Opd1Info,
 164     OperandValueKind Opd2Info, OperandValueProperties Opd1PropInfo,
 165     OperandValueProperties Opd2PropInfo) const {
 166   return TTIImpl->getArithmeticInstrCost(Opcode, Ty, Opd1Info, Opd2Info,
 167                                          Opd1PropInfo, Opd2PropInfo);
 168 }
 169
 170 unsigned TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Ty,
 171                                              int Index, Type *SubTp) const {
 172   return TTIImpl->getShuffleCost(Kind, Ty, Index, SubTp);
 173 }
 174
 175 unsigned TargetTransformInfo::getCastInstrCost(unsigned Opcode, Type *Dst,
 176                                                Type *Src) const {
 177   return TTIImpl->getCastInstrCost(Opcode, Dst, Src);
 178 }
 179
 180 unsigned TargetTransformInfo::getCFInstrCost(unsigned Opcode) const {
 181   return TTIImpl->getCFInstrCost(Opcode);
 182 }
 183
 184 unsigned TargetTransformInfo::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
 185                                                  Type *CondTy) const {
 186   return TTIImpl->getCmpSelInstrCost(Opcode, ValTy, CondTy);
 187 }
 188
 189 unsigned TargetTransformInfo::getVectorInstrCost(unsigned Opcode, Type *Val,
 190                                                  unsigned Index) const {
 191   return TTIImpl->getVectorInstrCost(Opcode, Val, Index);
 192 }
 193
 194 unsigned TargetTransformInfo::getMemoryOpCost(unsigned Opcode, Type *Src,
 195                                               unsigned Alignment,
 196                                               unsigned AddressSpace) const {
 197   return TTIImpl->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
 198 }
 199
 200 unsigned
 201 TargetTransformInfo::getMaskedMemoryOpCost(unsigned Opcode, Type *Src,
 202                                            unsigned Alignment,
 203                                            unsigned AddressSpace) const {
 204   return TTIImpl->getMaskedMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
 205 }
 206
 207 unsigned
 208 TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
 209                                            ArrayRef<Type *> Tys) const {
 210   return TTIImpl->getIntrinsicInstrCost(ID, RetTy, Tys);
 211 }
 212
 213 unsigned TargetTransformInfo::getNumberOfParts(Type *Tp) const {
 214   return TTIImpl->getNumberOfParts(Tp);
 215 }
 216
 217 unsigned TargetTransformInfo::getAddressComputationCost(Type *Tp,
 218                                                         bool IsComplex) const {
 219   return TTIImpl->getAddressComputationCost(Tp, IsComplex);
 220 }
 221
 222 unsigned TargetTransformInfo::getReductionCost(unsigned Opcode, Type *Ty,
 223                                                bool IsPairwiseForm) const {
 224   return TTIImpl->getReductionCost(Opcode, Ty, IsPairwiseForm);
 225 }
 226
 227 unsigned
 228 TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) const {
 229   return TTIImpl->getCostOfKeepingLiveOverCall(Tys);
 230 }
 231
 232 bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst,
 233                                              MemIntrinsicInfo &Info) const {
 234   return TTIImpl->getTgtMemIntrinsic(Inst, Info);
 235 }
 236
 237 Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
 238     IntrinsicInst *Inst, Type *ExpectedType) const {
 239   return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
 240 }
 241
 242 TargetTransformInfo::Concept::~Concept() {}
 243
 244 namespace {
 245 /// \brief No-op implementation of the TTI interface using the utility base
 246 /// classes.
 247 ///
 248 /// This is used when no target specific information is available.
 249 struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> {
 250   explicit NoTTIImpl(const DataLayout *DL)
 251       : TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {}
 252 };
 253 }
 254
 255 // Register the basic pass.
 256 INITIALIZE_PASS(TargetTransformInfoWrapperPass, "tti",
 257                 "Target Transform Information", false, true)
 258 char TargetTransformInfoWrapperPass::ID = 0;
 259
 260 void TargetTransformInfoWrapperPass::anchor() {}
 261
 262 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass()
 263     : ImmutablePass(ID), TTI(NoTTIImpl(/*DataLayout*/ nullptr)) {
 264   initializeTargetTransformInfoWrapperPassPass(
 265       *PassRegistry::getPassRegistry());
 266 }
 267
 268 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass(
 269     TargetTransformInfo TTI)
 270     : ImmutablePass(ID), TTI(std::move(TTI)) {
 271   initializeTargetTransformInfoWrapperPassPass(
 272       *PassRegistry::getPassRegistry());
 273 }
 274
 275 ImmutablePass *llvm::createNoTargetTransformInfoPass(const DataLayout *DL) {
 276   return new TargetTransformInfoWrapperPass(NoTTIImpl(DL));
 277 }