diff options
Diffstat (limited to 'lib/Analysis/TargetTransformInfo.cpp')
| -rw-r--r-- | lib/Analysis/TargetTransformInfo.cpp | 629 |
1 files changed, 149 insertions, 480 deletions
diff --git a/lib/Analysis/TargetTransformInfo.cpp b/lib/Analysis/TargetTransformInfo.cpp index c1ffb9d..7ff29b0 100644 --- a/lib/Analysis/TargetTransformInfo.cpp +++ b/lib/Analysis/TargetTransformInfo.cpp @@ -8,11 +8,13 @@ //===----------------------------------------------------------------------===// #include "llvm/Analysis/TargetTransformInfo.h" +#include "llvm/Analysis/TargetTransformInfoImpl.h" #include "llvm/IR/CallSite.h" #include "llvm/IR/DataLayout.h" #include "llvm/IR/Instruction.h" #include "llvm/IR/Instructions.h" #include "llvm/IR/IntrinsicInst.h" +#include "llvm/IR/Module.h" #include "llvm/IR/Operator.h" #include "llvm/Support/ErrorHandling.h" @@ -20,623 +22,290 @@ using namespace llvm; #define DEBUG_TYPE "tti" -// Setup the analysis group to manage the TargetTransformInfo passes. -INITIALIZE_ANALYSIS_GROUP(TargetTransformInfo, "Target Information", NoTTI) -char TargetTransformInfo::ID = 0; - -TargetTransformInfo::~TargetTransformInfo() { +namespace { +/// \brief No-op implementation of the TTI interface using the utility base +/// classes. +/// +/// This is used when no target specific information is available. +struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> { + explicit NoTTIImpl(const DataLayout *DL) + : TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {} +}; } -void TargetTransformInfo::pushTTIStack(Pass *P) { - TopTTI = this; - PrevTTI = &P->getAnalysis<TargetTransformInfo>(); +TargetTransformInfo::TargetTransformInfo(const DataLayout *DL) + : TTIImpl(new Model<NoTTIImpl>(NoTTIImpl(DL))) {} - // Walk up the chain and update the top TTI pointer. - for (TargetTransformInfo *PTTI = PrevTTI; PTTI; PTTI = PTTI->PrevTTI) - PTTI->TopTTI = this; -} +TargetTransformInfo::~TargetTransformInfo() {} + +TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg) + : TTIImpl(std::move(Arg.TTIImpl)) {} -void TargetTransformInfo::getAnalysisUsage(AnalysisUsage &AU) const { - AU.addRequired<TargetTransformInfo>(); +TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) { + TTIImpl = std::move(RHS.TTIImpl); + return *this; } unsigned TargetTransformInfo::getOperationCost(unsigned Opcode, Type *Ty, Type *OpTy) const { - return PrevTTI->getOperationCost(Opcode, Ty, OpTy); -} - -unsigned TargetTransformInfo::getGEPCost( - const Value *Ptr, ArrayRef<const Value *> Operands) const { - return PrevTTI->getGEPCost(Ptr, Operands); + return TTIImpl->getOperationCost(Opcode, Ty, OpTy); } unsigned TargetTransformInfo::getCallCost(FunctionType *FTy, int NumArgs) const { - return PrevTTI->getCallCost(FTy, NumArgs); -} - -unsigned TargetTransformInfo::getCallCost(const Function *F, - int NumArgs) const { - return PrevTTI->getCallCost(F, NumArgs); -} - -unsigned TargetTransformInfo::getCallCost( - const Function *F, ArrayRef<const Value *> Arguments) const { - return PrevTTI->getCallCost(F, Arguments); + return TTIImpl->getCallCost(FTy, NumArgs); } -unsigned TargetTransformInfo::getIntrinsicCost( - Intrinsic::ID IID, Type *RetTy, ArrayRef<Type *> ParamTys) const { - return PrevTTI->getIntrinsicCost(IID, RetTy, ParamTys); +unsigned +TargetTransformInfo::getCallCost(const Function *F, + ArrayRef<const Value *> Arguments) const { + return TTIImpl->getCallCost(F, Arguments); } -unsigned TargetTransformInfo::getIntrinsicCost( - Intrinsic::ID IID, Type *RetTy, ArrayRef<const Value *> Arguments) const { - return PrevTTI->getIntrinsicCost(IID, RetTy, Arguments); +unsigned +TargetTransformInfo::getIntrinsicCost(Intrinsic::ID IID, Type *RetTy, + ArrayRef<const Value *> Arguments) const { + return TTIImpl->getIntrinsicCost(IID, RetTy, Arguments); } unsigned TargetTransformInfo::getUserCost(const User *U) const { - return PrevTTI->getUserCost(U); + return TTIImpl->getUserCost(U); } bool TargetTransformInfo::hasBranchDivergence() const { - return PrevTTI->hasBranchDivergence(); + return TTIImpl->hasBranchDivergence(); } bool TargetTransformInfo::isLoweredToCall(const Function *F) const { - return PrevTTI->isLoweredToCall(F); + return TTIImpl->isLoweredToCall(F); } -void -TargetTransformInfo::getUnrollingPreferences(const Function *F, Loop *L, - UnrollingPreferences &UP) const { - PrevTTI->getUnrollingPreferences(F, L, UP); +void TargetTransformInfo::getUnrollingPreferences( + Loop *L, UnrollingPreferences &UP) const { + return TTIImpl->getUnrollingPreferences(L, UP); } bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const { - return PrevTTI->isLegalAddImmediate(Imm); + return TTIImpl->isLegalAddImmediate(Imm); } bool TargetTransformInfo::isLegalICmpImmediate(int64_t Imm) const { - return PrevTTI->isLegalICmpImmediate(Imm); + return TTIImpl->isLegalICmpImmediate(Imm); } bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale) const { - return PrevTTI->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg, + return TTIImpl->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg, Scale); } +bool TargetTransformInfo::isLegalMaskedStore(Type *DataType, + int Consecutive) const { + return TTIImpl->isLegalMaskedStore(DataType, Consecutive); +} + +bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType, + int Consecutive) const { + return TTIImpl->isLegalMaskedLoad(DataType, Consecutive); +} + int TargetTransformInfo::getScalingFactorCost(Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale) const { - return PrevTTI->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg, + return TTIImpl->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg, Scale); } bool TargetTransformInfo::isTruncateFree(Type *Ty1, Type *Ty2) const { - return PrevTTI->isTruncateFree(Ty1, Ty2); + return TTIImpl->isTruncateFree(Ty1, Ty2); +} + +bool TargetTransformInfo::isProfitableToHoist(Instruction *I) const { + return TTIImpl->isProfitableToHoist(I); } bool TargetTransformInfo::isTypeLegal(Type *Ty) const { - return PrevTTI->isTypeLegal(Ty); + return TTIImpl->isTypeLegal(Ty); } unsigned TargetTransformInfo::getJumpBufAlignment() const { - return PrevTTI->getJumpBufAlignment(); + return TTIImpl->getJumpBufAlignment(); } unsigned TargetTransformInfo::getJumpBufSize() const { - return PrevTTI->getJumpBufSize(); + return TTIImpl->getJumpBufSize(); } bool TargetTransformInfo::shouldBuildLookupTables() const { - return PrevTTI->shouldBuildLookupTables(); + return TTIImpl->shouldBuildLookupTables(); } TargetTransformInfo::PopcntSupportKind TargetTransformInfo::getPopcntSupport(unsigned IntTyWidthInBit) const { - return PrevTTI->getPopcntSupport(IntTyWidthInBit); + return TTIImpl->getPopcntSupport(IntTyWidthInBit); } bool TargetTransformInfo::haveFastSqrt(Type *Ty) const { - return PrevTTI->haveFastSqrt(Ty); + return TTIImpl->haveFastSqrt(Ty); +} + +unsigned TargetTransformInfo::getFPOpCost(Type *Ty) const { + return TTIImpl->getFPOpCost(Ty); } unsigned TargetTransformInfo::getIntImmCost(const APInt &Imm, Type *Ty) const { - return PrevTTI->getIntImmCost(Imm, Ty); + return TTIImpl->getIntImmCost(Imm, Ty); } -unsigned TargetTransformInfo::getIntImmCost(unsigned Opc, unsigned Idx, +unsigned TargetTransformInfo::getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty) const { - return PrevTTI->getIntImmCost(Opc, Idx, Imm, Ty); + return TTIImpl->getIntImmCost(Opcode, Idx, Imm, Ty); } unsigned TargetTransformInfo::getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm, Type *Ty) const { - return PrevTTI->getIntImmCost(IID, Idx, Imm, Ty); + return TTIImpl->getIntImmCost(IID, Idx, Imm, Ty); } unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const { - return PrevTTI->getNumberOfRegisters(Vector); + return TTIImpl->getNumberOfRegisters(Vector); } unsigned TargetTransformInfo::getRegisterBitWidth(bool Vector) const { - return PrevTTI->getRegisterBitWidth(Vector); + return TTIImpl->getRegisterBitWidth(Vector); } unsigned TargetTransformInfo::getMaxInterleaveFactor() const { - return PrevTTI->getMaxInterleaveFactor(); + return TTIImpl->getMaxInterleaveFactor(); } unsigned TargetTransformInfo::getArithmeticInstrCost( - unsigned Opcode, Type *Ty, OperandValueKind Op1Info, - OperandValueKind Op2Info, OperandValueProperties Opd1PropInfo, + unsigned Opcode, Type *Ty, OperandValueKind Opd1Info, + OperandValueKind Opd2Info, OperandValueProperties Opd1PropInfo, OperandValueProperties Opd2PropInfo) const { - return PrevTTI->getArithmeticInstrCost(Opcode, Ty, Op1Info, Op2Info, + return TTIImpl->getArithmeticInstrCost(Opcode, Ty, Opd1Info, Opd2Info, Opd1PropInfo, Opd2PropInfo); } -unsigned TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Tp, +unsigned TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Ty, int Index, Type *SubTp) const { - return PrevTTI->getShuffleCost(Kind, Tp, Index, SubTp); + return TTIImpl->getShuffleCost(Kind, Ty, Index, SubTp); } unsigned TargetTransformInfo::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src) const { - return PrevTTI->getCastInstrCost(Opcode, Dst, Src); + return TTIImpl->getCastInstrCost(Opcode, Dst, Src); } unsigned TargetTransformInfo::getCFInstrCost(unsigned Opcode) const { - return PrevTTI->getCFInstrCost(Opcode); + return TTIImpl->getCFInstrCost(Opcode); } unsigned TargetTransformInfo::getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy) const { - return PrevTTI->getCmpSelInstrCost(Opcode, ValTy, CondTy); + return TTIImpl->getCmpSelInstrCost(Opcode, ValTy, CondTy); } unsigned TargetTransformInfo::getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index) const { - return PrevTTI->getVectorInstrCost(Opcode, Val, Index); + return TTIImpl->getVectorInstrCost(Opcode, Val, Index); } unsigned TargetTransformInfo::getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment, unsigned AddressSpace) const { - return PrevTTI->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace); - ; + return TTIImpl->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace); } unsigned -TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, - Type *RetTy, +TargetTransformInfo::getMaskedMemoryOpCost(unsigned Opcode, Type *Src, + unsigned Alignment, + unsigned AddressSpace) const { + return TTIImpl->getMaskedMemoryOpCost(Opcode, Src, Alignment, AddressSpace); +} + +unsigned +TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy, ArrayRef<Type *> Tys) const { - return PrevTTI->getIntrinsicInstrCost(ID, RetTy, Tys); + return TTIImpl->getIntrinsicInstrCost(ID, RetTy, Tys); } unsigned TargetTransformInfo::getNumberOfParts(Type *Tp) const { - return PrevTTI->getNumberOfParts(Tp); + return TTIImpl->getNumberOfParts(Tp); } unsigned TargetTransformInfo::getAddressComputationCost(Type *Tp, bool IsComplex) const { - return PrevTTI->getAddressComputationCost(Tp, IsComplex); + return TTIImpl->getAddressComputationCost(Tp, IsComplex); } unsigned TargetTransformInfo::getReductionCost(unsigned Opcode, Type *Ty, - bool IsPairwise) const { - return PrevTTI->getReductionCost(Opcode, Ty, IsPairwise); + bool IsPairwiseForm) const { + return TTIImpl->getReductionCost(Opcode, Ty, IsPairwiseForm); } -unsigned TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type*> Tys) - const { - return PrevTTI->getCostOfKeepingLiveOverCall(Tys); +unsigned +TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) const { + return TTIImpl->getCostOfKeepingLiveOverCall(Tys); } -namespace { +bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst, + MemIntrinsicInfo &Info) const { + return TTIImpl->getTgtMemIntrinsic(Inst, Info); +} -struct NoTTI final : ImmutablePass, TargetTransformInfo { - const DataLayout *DL; - - NoTTI() : ImmutablePass(ID), DL(nullptr) { - initializeNoTTIPass(*PassRegistry::getPassRegistry()); - } - - void initializePass() override { - // Note that this subclass is special, and must *not* call initializeTTI as - // it does not chain. - TopTTI = this; - PrevTTI = nullptr; - DataLayoutPass *DLP = getAnalysisIfAvailable<DataLayoutPass>(); - DL = DLP ? &DLP->getDataLayout() : nullptr; - } - - void getAnalysisUsage(AnalysisUsage &AU) const override { - // Note that this subclass is special, and must *not* call - // TTI::getAnalysisUsage as it breaks the recursion. - } - - /// Pass identification. - static char ID; - - /// Provide necessary pointer adjustments for the two base classes. - void *getAdjustedAnalysisPointer(const void *ID) override { - if (ID == &TargetTransformInfo::ID) - return (TargetTransformInfo*)this; - return this; - } - - unsigned getOperationCost(unsigned Opcode, Type *Ty, - Type *OpTy) const override { - switch (Opcode) { - default: - // By default, just classify everything as 'basic'. - return TCC_Basic; - - case Instruction::GetElementPtr: - llvm_unreachable("Use getGEPCost for GEP operations!"); - - case Instruction::BitCast: - assert(OpTy && "Cast instructions must provide the operand type"); - if (Ty == OpTy || (Ty->isPointerTy() && OpTy->isPointerTy())) - // Identity and pointer-to-pointer casts are free. - return TCC_Free; - - // Otherwise, the default basic cost is used. - return TCC_Basic; - - case Instruction::IntToPtr: { - if (!DL) - return TCC_Basic; - - // An inttoptr cast is free so long as the input is a legal integer type - // which doesn't contain values outside the range of a pointer. - unsigned OpSize = OpTy->getScalarSizeInBits(); - if (DL->isLegalInteger(OpSize) && - OpSize <= DL->getPointerTypeSizeInBits(Ty)) - return TCC_Free; - - // Otherwise it's not a no-op. - return TCC_Basic; - } - case Instruction::PtrToInt: { - if (!DL) - return TCC_Basic; - - // A ptrtoint cast is free so long as the result is large enough to store - // the pointer, and a legal integer type. - unsigned DestSize = Ty->getScalarSizeInBits(); - if (DL->isLegalInteger(DestSize) && - DestSize >= DL->getPointerTypeSizeInBits(OpTy)) - return TCC_Free; - - // Otherwise it's not a no-op. - return TCC_Basic; - } - case Instruction::Trunc: - // trunc to a native type is free (assuming the target has compare and - // shift-right of the same width). - if (DL && DL->isLegalInteger(DL->getTypeSizeInBits(Ty))) - return TCC_Free; - - return TCC_Basic; - } - } - - unsigned getGEPCost(const Value *Ptr, - ArrayRef<const Value *> Operands) const override { - // In the basic model, we just assume that all-constant GEPs will be folded - // into their uses via addressing modes. - for (unsigned Idx = 0, Size = Operands.size(); Idx != Size; ++Idx) - if (!isa<Constant>(Operands[Idx])) - return TCC_Basic; - - return TCC_Free; - } - - unsigned getCallCost(FunctionType *FTy, int NumArgs = -1) const override - { - assert(FTy && "FunctionType must be provided to this routine."); - - // The target-independent implementation just measures the size of the - // function by approximating that each argument will take on average one - // instruction to prepare. - - if (NumArgs < 0) - // Set the argument number to the number of explicit arguments in the - // function. - NumArgs = FTy->getNumParams(); - - return TCC_Basic * (NumArgs + 1); - } - - unsigned getCallCost(const Function *F, int NumArgs = -1) const override - { - assert(F && "A concrete function must be provided to this routine."); - - if (NumArgs < 0) - // Set the argument number to the number of explicit arguments in the - // function. - NumArgs = F->arg_size(); - - if (Intrinsic::ID IID = (Intrinsic::ID)F->getIntrinsicID()) { - FunctionType *FTy = F->getFunctionType(); - SmallVector<Type *, 8> ParamTys(FTy->param_begin(), FTy->param_end()); - return TopTTI->getIntrinsicCost(IID, FTy->getReturnType(), ParamTys); - } - - if (!TopTTI->isLoweredToCall(F)) - return TCC_Basic; // Give a basic cost if it will be lowered directly. - - return TopTTI->getCallCost(F->getFunctionType(), NumArgs); - } - - unsigned getCallCost(const Function *F, - ArrayRef<const Value *> Arguments) const override { - // Simply delegate to generic handling of the call. - // FIXME: We should use instsimplify or something else to catch calls which - // will constant fold with these arguments. - return TopTTI->getCallCost(F, Arguments.size()); - } - - unsigned getIntrinsicCost(Intrinsic::ID IID, Type *RetTy, - ArrayRef<Type *> ParamTys) const override { - switch (IID) { - default: - // Intrinsics rarely (if ever) have normal argument setup constraints. - // Model them as having a basic instruction cost. - // FIXME: This is wrong for libc intrinsics. - return TCC_Basic; - - case Intrinsic::annotation: - case Intrinsic::assume: - case Intrinsic::dbg_declare: - case Intrinsic::dbg_value: - case Intrinsic::invariant_start: - case Intrinsic::invariant_end: - case Intrinsic::lifetime_start: - case Intrinsic::lifetime_end: - case Intrinsic::objectsize: - case Intrinsic::ptr_annotation: - case Intrinsic::var_annotation: - // These intrinsics don't actually represent code after lowering. - return TCC_Free; - } - } - - unsigned - getIntrinsicCost(Intrinsic::ID IID, Type *RetTy, - ArrayRef<const Value *> Arguments) const override { - // Delegate to the generic intrinsic handling code. This mostly provides an - // opportunity for targets to (for example) special case the cost of - // certain intrinsics based on constants used as arguments. - SmallVector<Type *, 8> ParamTys; - ParamTys.reserve(Arguments.size()); - for (unsigned Idx = 0, Size = Arguments.size(); Idx != Size; ++Idx) - ParamTys.push_back(Arguments[Idx]->getType()); - return TopTTI->getIntrinsicCost(IID, RetTy, ParamTys); - } - - unsigned getUserCost(const User *U) const override { - if (isa<PHINode>(U)) - return TCC_Free; // Model all PHI nodes as free. - - if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U)) { - SmallVector<const Value *, 4> Indices(GEP->idx_begin(), GEP->idx_end()); - return TopTTI->getGEPCost(GEP->getPointerOperand(), Indices); - } - - if (ImmutableCallSite CS = U) { - const Function *F = CS.getCalledFunction(); - if (!F) { - // Just use the called value type. - Type *FTy = CS.getCalledValue()->getType()->getPointerElementType(); - return TopTTI->getCallCost(cast<FunctionType>(FTy), CS.arg_size()); - } - - SmallVector<const Value *, 8> Arguments(CS.arg_begin(), CS.arg_end()); - return TopTTI->getCallCost(F, Arguments); - } - - if (const CastInst *CI = dyn_cast<CastInst>(U)) { - // Result of a cmp instruction is often extended (to be used by other - // cmp instructions, logical or return instructions). These are usually - // nop on most sane targets. - if (isa<CmpInst>(CI->getOperand(0))) - return TCC_Free; - } - - // Otherwise delegate to the fully generic implementations. - return getOperationCost(Operator::getOpcode(U), U->getType(), - U->getNumOperands() == 1 ? - U->getOperand(0)->getType() : nullptr); - } - - bool hasBranchDivergence() const override { return false; } - - bool isLoweredToCall(const Function *F) const override { - // FIXME: These should almost certainly not be handled here, and instead - // handled with the help of TLI or the target itself. This was largely - // ported from existing analysis heuristics here so that such refactorings - // can take place in the future. - - if (F->isIntrinsic()) - return false; - - if (F->hasLocalLinkage() || !F->hasName()) - return true; - - StringRef Name = F->getName(); - - // These will all likely lower to a single selection DAG node. - if (Name == "copysign" || Name == "copysignf" || Name == "copysignl" || - Name == "fabs" || Name == "fabsf" || Name == "fabsl" || Name == "sin" || - Name == "fmin" || Name == "fminf" || Name == "fminl" || - Name == "fmax" || Name == "fmaxf" || Name == "fmaxl" || - Name == "sinf" || Name == "sinl" || Name == "cos" || Name == "cosf" || - Name == "cosl" || Name == "sqrt" || Name == "sqrtf" || Name == "sqrtl") - return false; - - // These are all likely to be optimized into something smaller. - if (Name == "pow" || Name == "powf" || Name == "powl" || Name == "exp2" || - Name == "exp2l" || Name == "exp2f" || Name == "floor" || Name == - "floorf" || Name == "ceil" || Name == "round" || Name == "ffs" || - Name == "ffsl" || Name == "abs" || Name == "labs" || Name == "llabs") - return false; - - return true; - } - - void getUnrollingPreferences(const Function *, Loop *, - UnrollingPreferences &) const override {} - - bool isLegalAddImmediate(int64_t Imm) const override { - return false; - } - - bool isLegalICmpImmediate(int64_t Imm) const override { - return false; - } - - bool isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, - bool HasBaseReg, int64_t Scale) const override - { - // Guess that reg+reg addressing is allowed. This heuristic is taken from - // the implementation of LSR. - return !BaseGV && BaseOffset == 0 && Scale <= 1; - } - - int getScalingFactorCost(Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, - bool HasBaseReg, int64_t Scale) const override { - // Guess that all legal addressing mode are free. - if(isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg, Scale)) - return 0; - return -1; - } - - bool isTruncateFree(Type *Ty1, Type *Ty2) const override { - return false; - } - - bool isTypeLegal(Type *Ty) const override { - return false; - } - - unsigned getJumpBufAlignment() const override { - return 0; - } - - unsigned getJumpBufSize() const override { - return 0; - } - - bool shouldBuildLookupTables() const override { - return true; - } - - PopcntSupportKind - getPopcntSupport(unsigned IntTyWidthInBit) const override { - return PSK_Software; - } - - bool haveFastSqrt(Type *Ty) const override { - return false; - } - - unsigned getIntImmCost(const APInt &Imm, Type *Ty) const override { - return TCC_Basic; - } - - unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, - Type *Ty) const override { - return TCC_Free; - } - - unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm, - Type *Ty) const override { - return TCC_Free; - } - - unsigned getNumberOfRegisters(bool Vector) const override { - return 8; - } - - unsigned getRegisterBitWidth(bool Vector) const override { - return 32; - } - - unsigned getMaxInterleaveFactor() const override { - return 1; - } - - unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty, OperandValueKind, - OperandValueKind, OperandValueProperties, - OperandValueProperties) const override { - return 1; - } - - unsigned getShuffleCost(ShuffleKind Kind, Type *Ty, - int Index = 0, Type *SubTp = nullptr) const override { - return 1; - } - - unsigned getCastInstrCost(unsigned Opcode, Type *Dst, - Type *Src) const override { - return 1; - } - - unsigned getCFInstrCost(unsigned Opcode) const override { - return 1; - } - - unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, - Type *CondTy = nullptr) const override { - return 1; - } - - unsigned getVectorInstrCost(unsigned Opcode, Type *Val, - unsigned Index = -1) const override { - return 1; - } - - unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment, - unsigned AddressSpace) const override { - return 1; - } - - unsigned getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy, - ArrayRef<Type*> Tys) const override { - return 1; - } - - unsigned getNumberOfParts(Type *Tp) const override { - return 0; - } - - unsigned getAddressComputationCost(Type *Tp, bool) const override { - return 0; - } - - unsigned getReductionCost(unsigned, Type *, bool) const override { - return 1; - } - - unsigned getCostOfKeepingLiveOverCall(ArrayRef<Type*> Tys) const override { - return 0; - } +Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic( + IntrinsicInst *Inst, Type *ExpectedType) const { + return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType); +} -}; +TargetTransformInfo::Concept::~Concept() {} + +TargetIRAnalysis::TargetIRAnalysis() : TTICallback(&getDefaultTTI) {} -} // end anonymous namespace +TargetIRAnalysis::TargetIRAnalysis( + std::function<Result(Function &)> TTICallback) + : TTICallback(TTICallback) {} + +TargetIRAnalysis::Result TargetIRAnalysis::run(Function &F) { + return TTICallback(F); +} -INITIALIZE_AG_PASS(NoTTI, TargetTransformInfo, "notti", - "No target information", true, true, true) -char NoTTI::ID = 0; +char TargetIRAnalysis::PassID; + +TargetIRAnalysis::Result TargetIRAnalysis::getDefaultTTI(Function &F) { + return Result(F.getParent()->getDataLayout()); +} + +// Register the basic pass. +INITIALIZE_PASS(TargetTransformInfoWrapperPass, "tti", + "Target Transform Information", false, true) +char TargetTransformInfoWrapperPass::ID = 0; + +void TargetTransformInfoWrapperPass::anchor() {} + +TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass() + : ImmutablePass(ID) { + initializeTargetTransformInfoWrapperPassPass( + *PassRegistry::getPassRegistry()); +} + +TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass( + TargetIRAnalysis TIRA) + : ImmutablePass(ID), TIRA(std::move(TIRA)) { + initializeTargetTransformInfoWrapperPassPass( + *PassRegistry::getPassRegistry()); +} + +TargetTransformInfo &TargetTransformInfoWrapperPass::getTTI(Function &F) { + TTI = TIRA.run(F); + return *TTI; +} -ImmutablePass *llvm::createNoTargetTransformInfoPass() { - return new NoTTI(); +ImmutablePass * +llvm::createTargetTransformInfoWrapperPass(TargetIRAnalysis TIRA) { + return new TargetTransformInfoWrapperPass(std::move(TIRA)); } |