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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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145
external/llvm/lib/Target/X86/X86TargetTransformInfo.h vendored
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//===-- X86TargetTransformInfo.h - X86 specific TTI -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
/// This file a TargetTransformInfo::Concept conforming object specific to the
/// X86 target machine. It uses the target's detailed information to
/// provide more precise answers to certain TTI queries, while letting the
/// target independent and default TTI implementations handle the rest.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_X86TARGETTRANSFORMINFO_H
#define LLVM_LIB_TARGET_X86_X86TARGETTRANSFORMINFO_H
#include "X86.h"
#include "X86TargetMachine.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/CodeGen/TargetLowering.h"
namespace llvm {
class X86TTIImpl : public BasicTTIImplBase<X86TTIImpl> {
typedef BasicTTIImplBase<X86TTIImpl> BaseT;
typedef TargetTransformInfo TTI;
friend BaseT;
const X86Subtarget *ST;
const X86TargetLowering *TLI;
const X86Subtarget *getST() const { return ST; }
const X86TargetLowering *getTLI() const { return TLI; }
public:
explicit X86TTIImpl(const X86TargetMachine *TM, const Function &F)
: BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
TLI(ST->getTargetLowering()) {}
/// \name Scalar TTI Implementations
/// @{
TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
/// @}
/// \name Cache TTI Implementation
/// @{
llvm::Optional<unsigned> getCacheSize(
TargetTransformInfo::CacheLevel Level) const;
llvm::Optional<unsigned> getCacheAssociativity(
TargetTransformInfo::CacheLevel Level) const;
/// @}
/// \name Vector TTI Implementations
/// @{
unsigned getNumberOfRegisters(bool Vector);
unsigned getRegisterBitWidth(bool Vector) const;
unsigned getLoadStoreVecRegBitWidth(unsigned AS) const;
unsigned getMaxInterleaveFactor(unsigned VF);
int getArithmeticInstrCost(
unsigned Opcode, Type *Ty,
TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None,
ArrayRef<const Value *> Args = ArrayRef<const Value *>());
int getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, Type *SubTp);
int getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
const Instruction *I = nullptr);
int getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy,
const Instruction *I = nullptr);
int getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
unsigned AddressSpace, const Instruction *I = nullptr);
int getMaskedMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
unsigned AddressSpace);
int getGatherScatterOpCost(unsigned Opcode, Type *DataTy, Value *Ptr,
bool VariableMask, unsigned Alignment);
int getAddressComputationCost(Type *PtrTy, ScalarEvolution *SE,
const SCEV *Ptr);
unsigned getAtomicMemIntrinsicMaxElementSize() const;
int getIntrinsicInstrCost(Intrinsic::ID IID, Type *RetTy,
ArrayRef<Type *> Tys, FastMathFlags FMF,
unsigned ScalarizationCostPassed = UINT_MAX);
int getIntrinsicInstrCost(Intrinsic::ID IID, Type *RetTy,
ArrayRef<Value *> Args, FastMathFlags FMF,
unsigned VF = 1);
int getArithmeticReductionCost(unsigned Opcode, Type *Ty,
bool IsPairwiseForm);
int getMinMaxReductionCost(Type *Ty, Type *CondTy, bool IsPairwiseForm,
bool IsUnsigned);
int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,
unsigned Factor, ArrayRef<unsigned> Indices,
unsigned Alignment, unsigned AddressSpace);
int getInterleavedMemoryOpCostAVX512(unsigned Opcode, Type *VecTy,
unsigned Factor, ArrayRef<unsigned> Indices,
unsigned Alignment, unsigned AddressSpace);
int getInterleavedMemoryOpCostAVX2(unsigned Opcode, Type *VecTy,
unsigned Factor, ArrayRef<unsigned> Indices,
unsigned Alignment, unsigned AddressSpace);
int getIntImmCost(int64_t);
int getIntImmCost(const APInt &Imm, Type *Ty);
unsigned getUserCost(const User *U, ArrayRef<const Value *> Operands);
int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty);
int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
Type *Ty);
bool isLSRCostLess(TargetTransformInfo::LSRCost &C1,
TargetTransformInfo::LSRCost &C2);
bool isLegalMaskedLoad(Type *DataType);
bool isLegalMaskedStore(Type *DataType);
bool isLegalMaskedGather(Type *DataType);
bool isLegalMaskedScatter(Type *DataType);
bool hasDivRemOp(Type *DataType, bool IsSigned);
bool isFCmpOrdCheaperThanFCmpZero(Type *Ty);
bool areInlineCompatible(const Function *Caller,
const Function *Callee) const;
const TTI::MemCmpExpansionOptions *enableMemCmpExpansion(
bool IsZeroCmp) const;
bool enableInterleavedAccessVectorization();
private:
int getGSScalarCost(unsigned Opcode, Type *DataTy, bool VariableMask,
unsigned Alignment, unsigned AddressSpace);
int getGSVectorCost(unsigned Opcode, Type *DataTy, Value *Ptr,
unsigned Alignment, unsigned AddressSpace);
/// @}
};
} // end namespace llvm
#endif