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Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h new file mode 100644 index 000000000000..16ce2ef1d7a0 --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h @@ -0,0 +1,112 @@ +//===-- SystemZTargetTransformInfo.h - SystemZ-specific TTI ---------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETTRANSFORMINFO_H +#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETTRANSFORMINFO_H + +#include "SystemZTargetMachine.h" +#include "llvm/Analysis/TargetTransformInfo.h" +#include "llvm/CodeGen/BasicTTIImpl.h" + +namespace llvm { + +class SystemZTTIImpl : public BasicTTIImplBase<SystemZTTIImpl> { + typedef BasicTTIImplBase<SystemZTTIImpl> BaseT; + typedef TargetTransformInfo TTI; + friend BaseT; + + const SystemZSubtarget *ST; + const SystemZTargetLowering *TLI; + + const SystemZSubtarget *getST() const { return ST; } + const SystemZTargetLowering *getTLI() const { return TLI; } + + unsigned const LIBCALL_COST = 30; + +public: + explicit SystemZTTIImpl(const SystemZTargetMachine *TM, const Function &F) + : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)), + TLI(ST->getTargetLowering()) {} + + /// \name Scalar TTI Implementations + /// @{ + + unsigned getInliningThresholdMultiplier() { return 3; } + + int getIntImmCost(const APInt &Imm, Type *Ty); + + int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty); + int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm, + Type *Ty); + + TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth); + + void getUnrollingPreferences(Loop *L, ScalarEvolution &SE, + TTI::UnrollingPreferences &UP); + + bool isLSRCostLess(TargetTransformInfo::LSRCost &C1, + TargetTransformInfo::LSRCost &C2); + /// @} + + /// \name Vector TTI Implementations + /// @{ + + unsigned getNumberOfRegisters(bool Vector); + unsigned getRegisterBitWidth(bool Vector) const; + + unsigned getCacheLineSize() { return 256; } + unsigned getPrefetchDistance() { return 2000; } + unsigned getMinPrefetchStride() { return 2048; } + + bool hasDivRemOp(Type *DataType, bool IsSigned); + bool prefersVectorizedAddressing() { return false; } + bool LSRWithInstrQueries() { return true; } + bool supportsEfficientVectorElementLoadStore() { return true; } + bool enableInterleavedAccessVectorization() { return true; } + + 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); + unsigned getVectorTruncCost(Type *SrcTy, Type *DstTy); + unsigned getVectorBitmaskConversionCost(Type *SrcTy, Type *DstTy); + unsigned getBoolVecToIntConversionCost(unsigned Opcode, Type *Dst, + const Instruction *I); + 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); + bool isFoldableLoad(const LoadInst *Ld, const Instruction *&FoldedValue); + int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment, + unsigned AddressSpace, const Instruction *I = nullptr); + + int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy, + unsigned Factor, + ArrayRef<unsigned> Indices, + unsigned Alignment, + unsigned AddressSpace, + bool UseMaskForCond = false, + bool UseMaskForGaps = false); + + int getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy, + ArrayRef<Value *> Args, FastMathFlags FMF, + unsigned VF = 1); + int getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy, + ArrayRef<Type *> Tys, FastMathFlags FMF, + unsigned ScalarizationCostPassed = UINT_MAX); + /// @} +}; + +} // end namespace llvm + +#endif |
