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https://github.com/c64scene-ar/llvm-6502.git
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d02540a1d7
Summary: When evaluating floating point instructions in the inliner, ask the TTI whether it is an expensive operation. By default, it's not an expensive operation. This keeps the default behavior the same as before. The ARM TTI has been updated to return back TCC_Expensive for targets which don't have hardware floating point. Reviewers: chandlerc, echristo Reviewed By: echristo Subscribers: t.p.northover, aemerson, llvm-commits Differential Revision: http://reviews.llvm.org/D6936 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228263 91177308-0d34-0410-b5e6-96231b3b80d8
308 lines
10 KiB
C++
308 lines
10 KiB
C++
//===- llvm/Analysis/TargetTransformInfo.cpp ------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/TargetTransformInfo.h"
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#include "llvm/Analysis/TargetTransformInfoImpl.h"
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#include "llvm/IR/CallSite.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/IR/Instruction.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/IntrinsicInst.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/Operator.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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#define DEBUG_TYPE "tti"
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namespace {
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/// \brief No-op implementation of the TTI interface using the utility base
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/// classes.
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///
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/// This is used when no target specific information is available.
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struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> {
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explicit NoTTIImpl(const DataLayout *DL)
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: TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {}
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};
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}
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TargetTransformInfo::TargetTransformInfo(const DataLayout *DL)
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: TTIImpl(new Model<NoTTIImpl>(NoTTIImpl(DL))) {}
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TargetTransformInfo::~TargetTransformInfo() {}
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TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg)
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: TTIImpl(std::move(Arg.TTIImpl)) {}
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TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) {
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TTIImpl = std::move(RHS.TTIImpl);
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return *this;
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}
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unsigned TargetTransformInfo::getOperationCost(unsigned Opcode, Type *Ty,
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Type *OpTy) const {
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return TTIImpl->getOperationCost(Opcode, Ty, OpTy);
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}
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unsigned TargetTransformInfo::getCallCost(FunctionType *FTy,
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int NumArgs) const {
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return TTIImpl->getCallCost(FTy, NumArgs);
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}
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unsigned
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TargetTransformInfo::getCallCost(const Function *F,
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ArrayRef<const Value *> Arguments) const {
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return TTIImpl->getCallCost(F, Arguments);
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}
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unsigned
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TargetTransformInfo::getIntrinsicCost(Intrinsic::ID IID, Type *RetTy,
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ArrayRef<const Value *> Arguments) const {
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return TTIImpl->getIntrinsicCost(IID, RetTy, Arguments);
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}
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unsigned TargetTransformInfo::getUserCost(const User *U) const {
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return TTIImpl->getUserCost(U);
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}
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bool TargetTransformInfo::hasBranchDivergence() const {
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return TTIImpl->hasBranchDivergence();
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}
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bool TargetTransformInfo::isLoweredToCall(const Function *F) const {
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return TTIImpl->isLoweredToCall(F);
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}
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void TargetTransformInfo::getUnrollingPreferences(
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Loop *L, UnrollingPreferences &UP) const {
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return TTIImpl->getUnrollingPreferences(L, UP);
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}
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bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const {
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return TTIImpl->isLegalAddImmediate(Imm);
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}
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bool TargetTransformInfo::isLegalICmpImmediate(int64_t Imm) const {
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return TTIImpl->isLegalICmpImmediate(Imm);
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}
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bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
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int64_t BaseOffset,
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bool HasBaseReg,
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int64_t Scale) const {
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return TTIImpl->isLegalAddressingMode(Ty, BaseGV, BaseOffset, HasBaseReg,
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Scale);
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}
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bool TargetTransformInfo::isLegalMaskedStore(Type *DataType,
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int Consecutive) const {
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return TTIImpl->isLegalMaskedStore(DataType, Consecutive);
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}
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bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType,
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int Consecutive) const {
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return TTIImpl->isLegalMaskedLoad(DataType, Consecutive);
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}
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int TargetTransformInfo::getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
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int64_t BaseOffset,
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bool HasBaseReg,
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int64_t Scale) const {
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return TTIImpl->getScalingFactorCost(Ty, BaseGV, BaseOffset, HasBaseReg,
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Scale);
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}
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bool TargetTransformInfo::isTruncateFree(Type *Ty1, Type *Ty2) const {
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return TTIImpl->isTruncateFree(Ty1, Ty2);
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}
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bool TargetTransformInfo::isTypeLegal(Type *Ty) const {
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return TTIImpl->isTypeLegal(Ty);
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}
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unsigned TargetTransformInfo::getJumpBufAlignment() const {
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return TTIImpl->getJumpBufAlignment();
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}
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unsigned TargetTransformInfo::getJumpBufSize() const {
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return TTIImpl->getJumpBufSize();
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}
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bool TargetTransformInfo::shouldBuildLookupTables() const {
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return TTIImpl->shouldBuildLookupTables();
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}
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TargetTransformInfo::PopcntSupportKind
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TargetTransformInfo::getPopcntSupport(unsigned IntTyWidthInBit) const {
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return TTIImpl->getPopcntSupport(IntTyWidthInBit);
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}
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bool TargetTransformInfo::haveFastSqrt(Type *Ty) const {
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return TTIImpl->haveFastSqrt(Ty);
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}
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unsigned TargetTransformInfo::getFPOpCost(Type *Ty) const {
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return TTIImpl->getFPOpCost(Ty);
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}
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unsigned TargetTransformInfo::getIntImmCost(const APInt &Imm, Type *Ty) const {
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return TTIImpl->getIntImmCost(Imm, Ty);
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}
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unsigned TargetTransformInfo::getIntImmCost(unsigned Opcode, unsigned Idx,
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const APInt &Imm, Type *Ty) const {
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return TTIImpl->getIntImmCost(Opcode, Idx, Imm, Ty);
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}
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unsigned TargetTransformInfo::getIntImmCost(Intrinsic::ID IID, unsigned Idx,
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const APInt &Imm, Type *Ty) const {
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return TTIImpl->getIntImmCost(IID, Idx, Imm, Ty);
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}
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unsigned TargetTransformInfo::getNumberOfRegisters(bool Vector) const {
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return TTIImpl->getNumberOfRegisters(Vector);
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}
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unsigned TargetTransformInfo::getRegisterBitWidth(bool Vector) const {
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return TTIImpl->getRegisterBitWidth(Vector);
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}
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unsigned TargetTransformInfo::getMaxInterleaveFactor() const {
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return TTIImpl->getMaxInterleaveFactor();
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}
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unsigned TargetTransformInfo::getArithmeticInstrCost(
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unsigned Opcode, Type *Ty, OperandValueKind Opd1Info,
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OperandValueKind Opd2Info, OperandValueProperties Opd1PropInfo,
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OperandValueProperties Opd2PropInfo) const {
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return TTIImpl->getArithmeticInstrCost(Opcode, Ty, Opd1Info, Opd2Info,
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Opd1PropInfo, Opd2PropInfo);
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}
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unsigned TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Ty,
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int Index, Type *SubTp) const {
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return TTIImpl->getShuffleCost(Kind, Ty, Index, SubTp);
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}
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unsigned TargetTransformInfo::getCastInstrCost(unsigned Opcode, Type *Dst,
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Type *Src) const {
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return TTIImpl->getCastInstrCost(Opcode, Dst, Src);
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}
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unsigned TargetTransformInfo::getCFInstrCost(unsigned Opcode) const {
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return TTIImpl->getCFInstrCost(Opcode);
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}
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unsigned TargetTransformInfo::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
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Type *CondTy) const {
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return TTIImpl->getCmpSelInstrCost(Opcode, ValTy, CondTy);
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}
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unsigned TargetTransformInfo::getVectorInstrCost(unsigned Opcode, Type *Val,
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unsigned Index) const {
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return TTIImpl->getVectorInstrCost(Opcode, Val, Index);
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}
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unsigned TargetTransformInfo::getMemoryOpCost(unsigned Opcode, Type *Src,
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unsigned Alignment,
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unsigned AddressSpace) const {
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return TTIImpl->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
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}
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unsigned
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TargetTransformInfo::getMaskedMemoryOpCost(unsigned Opcode, Type *Src,
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unsigned Alignment,
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unsigned AddressSpace) const {
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return TTIImpl->getMaskedMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
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}
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unsigned
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TargetTransformInfo::getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
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ArrayRef<Type *> Tys) const {
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return TTIImpl->getIntrinsicInstrCost(ID, RetTy, Tys);
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}
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unsigned TargetTransformInfo::getNumberOfParts(Type *Tp) const {
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return TTIImpl->getNumberOfParts(Tp);
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}
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unsigned TargetTransformInfo::getAddressComputationCost(Type *Tp,
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bool IsComplex) const {
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return TTIImpl->getAddressComputationCost(Tp, IsComplex);
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}
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unsigned TargetTransformInfo::getReductionCost(unsigned Opcode, Type *Ty,
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bool IsPairwiseForm) const {
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return TTIImpl->getReductionCost(Opcode, Ty, IsPairwiseForm);
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}
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unsigned
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TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) const {
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return TTIImpl->getCostOfKeepingLiveOverCall(Tys);
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}
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bool TargetTransformInfo::getTgtMemIntrinsic(IntrinsicInst *Inst,
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MemIntrinsicInfo &Info) const {
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return TTIImpl->getTgtMemIntrinsic(Inst, Info);
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}
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Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
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IntrinsicInst *Inst, Type *ExpectedType) const {
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return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
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}
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TargetTransformInfo::Concept::~Concept() {}
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TargetIRAnalysis::TargetIRAnalysis() : TTICallback(&getDefaultTTI) {}
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TargetIRAnalysis::TargetIRAnalysis(
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std::function<Result(Function &)> TTICallback)
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: TTICallback(TTICallback) {}
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TargetIRAnalysis::Result TargetIRAnalysis::run(Function &F) {
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return TTICallback(F);
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}
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char TargetIRAnalysis::PassID;
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TargetIRAnalysis::Result TargetIRAnalysis::getDefaultTTI(Function &F) {
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return Result(F.getParent()->getDataLayout());
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}
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// Register the basic pass.
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INITIALIZE_PASS(TargetTransformInfoWrapperPass, "tti",
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"Target Transform Information", false, true)
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char TargetTransformInfoWrapperPass::ID = 0;
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void TargetTransformInfoWrapperPass::anchor() {}
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TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass()
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: ImmutablePass(ID) {
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initializeTargetTransformInfoWrapperPassPass(
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*PassRegistry::getPassRegistry());
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}
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TargetTransformInfoWrapperPass::TargetTransformInfoWrapperPass(
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TargetIRAnalysis TIRA)
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: ImmutablePass(ID), TIRA(std::move(TIRA)) {
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initializeTargetTransformInfoWrapperPassPass(
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*PassRegistry::getPassRegistry());
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}
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TargetTransformInfo &TargetTransformInfoWrapperPass::getTTI(Function &F) {
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TTI = TIRA.run(F);
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return *TTI;
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}
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ImmutablePass *
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llvm::createTargetTransformInfoWrapperPass(TargetIRAnalysis TIRA) {
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return new TargetTransformInfoWrapperPass(std::move(TIRA));
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}
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