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//===-- SystemZTargetTransformInfo.h - SystemZ-specific TTI ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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
/// @{
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 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);
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 getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,
unsigned Factor,
ArrayRef<unsigned> Indices,
unsigned Alignment,
unsigned AddressSpace);
/// @}
};
} // end namespace llvm
#endif
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