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 namespace {
  25 /// \brief No-op implementation of the TTI interface using the utility base
  26 /// classes.
  27 ///
  28 /// This is used when no target specific information is available.
  29 struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> {
  30   explicit NoTTIImpl(const DataLayout *DL)
  31       : TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {}
  32 };
  33 }
  34
  35 TargetTransformInfo::TargetTransformInfo(const DataLayout *DL)
  36     : TTIImpl(new Model<NoTTIImpl>(NoTTIImpl(DL))) {}
  37
  38 TargetTransformInfo::~TargetTransformInfo() {}
  39
  40 TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg)
  41     : TTIImpl(std::move(Arg.TTIImpl)) {}
  42
  43 TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) {
  44   TTIImpl = std::move(RHS.TTIImpl);
  45   return *this;
  46 }
  47
  48 unsigned TargetTransformInfo::getOperationCost(unsigned Opcode, Type *Ty,
  49                                                Type *OpTy) const {
  50   return TTIImpl->getOperationCost(Opcode, Ty, OpTy);
  51 }
  52
  53 unsigned TargetTransformInfo::getCallCost(FunctionType *FTy,
  54                                           int NumArgs) const {
  55   return TTIImpl->getCallCost(FTy, NumArgs);
  56 }
  57
  58 unsigned
  59 TargetTransformInfo::getCallCost(const Function *F,
  60                                  ArrayRef<const Value *> Arguments) const {
  61   return TTIImpl->getCallCost(F, Arguments);
  62 }
  63
  64 unsigned
  65 TargetTransformInfo::getIntrinsicCost(Intrinsic::ID IID, Type *RetTy,
  66                                       ArrayRef<const Value *> Arguments) const {
  67   return TTIImpl->getIntrinsicCost(IID, RetTy, Arguments);
  68 }
  69
  70 unsigned TargetTransformInfo::getUserCost(const User *U) const {
  71   return TTIImpl->getUserCost(U);
  72 }
  73
  74 bool TargetTransformInfo::hasBranchDivergence() const {
  75   return TTIImpl->hasBranchDivergence();
  76 }
  77
  78 bool TargetTransformInfo::isLoweredToCall(const Function *F) const {
  79   return TTIImpl->isLoweredToCall(F);
  80 }
  81
  82 void TargetTransformInfo::getUnrollingPreferences(
  83     const Function *F, Loop *L, UnrollingPreferences &UP) const {
  84   return TTIImpl->getUnrollingPreferences(F, L, UP);
  85 }
  86
  87 bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const {
  88   return TTIImpl->isLegalAddImmediate(Imm);
  89 }
  90
  91 bool TargetTransformInfo::isLegalICmpImmediate(int64_t Imm) const {
  92   return TTIImpl->isLegalICmpImmediate(Imm);
  93 }
  94
  95 bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
  96                                                 int64_t BaseOffset,
  97                                                 bool HasBaseReg,
  98                                                 int64_t Scale) const {
  99   return TTIImpl->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg,
 100                                         Scale);
 101 }
 102
 103 bool TargetTransformInfo::isLegalMaskedStore(Type *DataType,
 104                                              int Consecutive) const {
 105   return TTIImpl->isLegalMaskedStore(DataType, Consecutive);
 106 }
 107
 108 bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType,
 109                                             int Consecutive) const {
 110   return TTIImpl->isLegalMaskedLoad(DataType, Consecutive);
 111 }
 112
 113 int TargetTransformInfo::getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
 114                                               int64_t BaseOffset,
 115                                               bool HasBaseReg,
 116                                               int64_t Scale) const {
 117   return TTIImpl->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg,
 118                                        Scale);
 119 }
 120
 121 bool TargetTransformInfo::isTruncateFree(Type *Ty1, Type *Ty2) const {
 122   return TTIImpl->isTruncateFree(Ty1, Ty2);
 123 }
 124
 125 bool TargetTransformInfo::isTypeLegal(Type *Ty) const {
 126   return TTIImpl->isTypeLegal(Ty);
 127 }
 128
 129 unsigned TargetTransformInfo::getJumpBufAlignment() const {
 130   return TTIImpl->getJumpBufAlignment();
 131 }
 132
 133 unsigned TargetTransformInfo::getJumpBufSize() const {
 134   return TTIImpl->getJumpBufSize();
 135 }
 136
 137 bool TargetTransformInfo::shouldBuildLookupTables() const {
 138   return TTIImpl->shouldBuildLookupTables();
 139 }
 140
 141 TargetTransformInfo::PopcntSupportKind
 142 TargetTransformInfo::getPopcntSupport(unsigned IntTyWidthInBit) const {
 143   return TTIImpl->getPopcntSupport(IntTyWidthInBit);
 144 }
 145
 146 bool TargetTransformInfo::haveFastSqrt(Type *Ty) const {
 147   return TTIImpl->haveFastSqrt(Ty);
 148 }
 149
 150 unsigned TargetTransformInfo::getIntImmCost(const APInt &Imm, Type *Ty) const {
 151   return TTIImpl->getIntImmCost(Imm, Ty);
 152 }
 153
 154 unsigned TargetTransformInfo::getIntImmCost(unsigned Opcode, unsigned Idx,
 155                                             const APInt &Imm, Type *Ty) const {
 156   return TTIImpl->getIntImmCost(Opcode, Idx, Imm, Ty);
 157 }
 158
 159 unsigned TargetTransformInfo::getIntImmCost(Intrinsic::ID IID, unsigned Idx,
 160                                             const APInt &Imm, Type *Ty) const {
 161   return TTIImpl->getIntImmCost(IID, Idx, Imm, Ty);
 162 }
 163
 164 unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const {
 165   return TTIImpl->getNumberOfRegisters(Vector);
 166 }
 167
 168 unsigned TargetTransformInfo::getRegisterBitWidth(bool Vector) const {
 169   return TTIImpl->getRegisterBitWidth(Vector);
 170 }
 171
 172 unsigned TargetTransformInfo::getMaxInterleaveFactor() const {
 173   return TTIImpl->getMaxInterleaveFactor();
 174 }
 175
 176 unsigned TargetTransformInfo::getArithmeticInstrCost(
 177     unsigned Opcode, Type *Ty, OperandValueKind Opd1Info,
 178     OperandValueKind Opd2Info, OperandValueProperties Opd1PropInfo,
 179     OperandValueProperties Opd2PropInfo) const {
 180   return TTIImpl->getArithmeticInstrCost(Opcode, Ty, Opd1Info, Opd2Info,
 181                                          Opd1PropInfo, Opd2PropInfo);
 182 }
 183
 184 unsigned TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Ty,
 185                                              int Index, Type *SubTp) const {
 186   return TTIImpl->getShuffleCost(Kind, Ty, Index, SubTp);
 187 }
 188
 189 unsigned TargetTransformInfo::getCastInstrCost(unsigned Opcode, Type *Dst,
 190                                                Type *Src) const {
 191   return TTIImpl->getCastInstrCost(Opcode, Dst, Src);
 192 }
 193
 194 unsigned TargetTransformInfo::getCFInstrCost(unsigned Opcode) const {
 195   return TTIImpl->getCFInstrCost(Opcode);
 196 }
 197
 198 unsigned TargetTransformInfo::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
 199                                                  Type *CondTy) const {
 200   return TTIImpl->getCmpSelInstrCost(Opcode, ValTy, CondTy);
 201 }
 202
 203 unsigned TargetTransformInfo::getVectorInstrCost(unsigned Opcode, Type *Val,
 204                                                  unsigned Index) const {
 205   return TTIImpl->getVectorInstrCost(Opcode, Val, Index);
 206 }
 207
 208 unsigned TargetTransformInfo::getMemoryOpCost(unsigned Opcode, Type *Src,
 209                                               unsigned Alignment,
 210                                               unsigned AddressSpace) const {
 211   return TTIImpl->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
 212 }
 213
 214 unsigned
 215 TargetTransformInfo::getMaskedMemoryOpCost(unsigned Opcode, Type *Src,
 216                                            unsigned Alignment,
 217                                            unsigned AddressSpace) const {
 218   return TTIImpl->getMaskedMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
 219 }
 220
 221 unsigned
 222 TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
 223                                            ArrayRef<Type *> Tys) const {
 224   return TTIImpl->getIntrinsicInstrCost(ID, RetTy, Tys);
 225 }
 226
 227 unsigned TargetTransformInfo::getNumberOfParts(Type *Tp) const {
 228   return TTIImpl->getNumberOfParts(Tp);
 229 }
 230
 231 unsigned TargetTransformInfo::getAddressComputationCost(Type *Tp,
 232                                                         bool IsComplex) const {
 233   return TTIImpl->getAddressComputationCost(Tp, IsComplex);
 234 }
 235
 236 unsigned TargetTransformInfo::getReductionCost(unsigned Opcode, Type *Ty,
 237                                                bool IsPairwiseForm) const {
 238   return TTIImpl->getReductionCost(Opcode, Ty, IsPairwiseForm);
 239 }
 240
 241 unsigned
 242 TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) const {
 243   return TTIImpl->getCostOfKeepingLiveOverCall(Tys);
 244 }
 245
 246 bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst,
 247                                              MemIntrinsicInfo &Info) const {
 248   return TTIImpl->getTgtMemIntrinsic(Inst, Info);
 249 }
 250
 251 Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
 252     IntrinsicInst *Inst, Type *ExpectedType) const {
 253   return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
 254 }
 255
 256 TargetTransformInfo::Concept::~Concept() {}
 257
 258 // Register the basic pass.
 259 INITIALIZE_PASS(TargetTransformInfoWrapperPass, "tti",
 260                 "Target Transform Information", false, true)
 261 char TargetTransformInfoWrapperPass::ID = 0;
 262
 263 void TargetTransformInfoWrapperPass::anchor() {}
 264
 265 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass()
 266     : ImmutablePass(ID), TTI(NoTTIImpl(/*DataLayout*/ nullptr)) {
 267   initializeTargetTransformInfoWrapperPassPass(
 268       *PassRegistry::getPassRegistry());
 269 }
 270
 271 TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass(
 272     TargetTransformInfo TTI)
 273     : ImmutablePass(ID), TTI(std::move(TTI)) {
 274   initializeTargetTransformInfoWrapperPassPass(
 275       *PassRegistry::getPassRegistry());
 276 }
 277
 278 ImmutablePass *
 279 llvm::createTargetTransformInfoWrapperPass(TargetTransformInfo TTI) {
 280   return new TargetTransformInfoWrapperPass(std::move(TTI));
 281 }