SystemZTargetTransformInfo.cpp File Reference

#include "SystemZTargetTransformInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/InstructionCost.h"
#include "llvm/Support/MathExtras.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "systemztti"

Functions
static bool	isUsedAsMemCpySource (const Value *V, bool &OtherUse)
static void	countNumMemAccesses (const Value *Ptr, unsigned &NumStores, unsigned &NumLoads, const Function *F)
static bool	isFreeEltLoad (Value *Op)
static unsigned	getScalarSizeInBits (Type *Ty)
static unsigned	getNumVectorRegs (Type *Ty)
static unsigned	getElSizeLog2Diff (Type *Ty0, Type *Ty1)
static Type *	getCmpOpsType (const Instruction *I, unsigned VF=1)
static unsigned	getOperandsExtensionCost (const Instruction *I)
static bool	isBswapIntrinsicCall (const Value *V)
InstructionCost	getIntAddReductionCost (unsigned NumVec, unsigned ScalarBits)
InstructionCost	getFastReductionCost (unsigned NumVec, unsigned NumElems, unsigned ScalarBits)
bool	customCostReductions (unsigned Opcode)
static int	getVectorIntrinsicInstrCost (Intrinsic::ID ID, Type *RetTy, const SmallVectorImpl< Type * > &ParamTys)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "systemztti"

Definition at line 29 of file SystemZTargetTransformInfo.cpp.

Function Documentation

countNumMemAccesses()

static void countNumMemAccesses ( const Value *  Ptr, unsigned &  NumStores, unsigned &  NumLoads, const Function *  F  )

static

Definition at line 56 of file SystemZTargetTransformInfo.cpp.

References countNumMemAccesses(), F, GEP, and Ptr.

Referenced by llvm::SystemZTTIImpl::adjustInliningThreshold(), and countNumMemAccesses().

customCostReductions()

bool customCostReductions ( unsigned  Opcode )

inline

Definition at line 1437 of file SystemZTargetTransformInfo.cpp.

Referenced by llvm::SystemZTTIImpl::getArithmeticReductionCost().

getCmpOpsType()

static Type * getCmpOpsType ( const Instruction *  I, unsigned  VF = 1  )

static

Definition at line 832 of file SystemZTargetTransformInfo.cpp.

References assert(), llvm::FixedVectorType::get(), llvm::Type::getScalarType(), I, and llvm::Type::isVectorTy().

Referenced by llvm::SystemZTTIImpl::getBoolVecToIntConversionCost(), llvm::SystemZTTIImpl::getCastInstrCost(), and llvm::SystemZTTIImpl::getCmpSelInstrCost().

getElSizeLog2Diff()

static unsigned getElSizeLog2Diff ( Type *  Ty0, Type *  Ty1  )

static

Definition at line 754 of file SystemZTargetTransformInfo.cpp.

References llvm::Type::getScalarSizeInBits(), and llvm::Log2_32().

Referenced by llvm::SystemZTTIImpl::getCastInstrCost(), llvm::SystemZTTIImpl::getVectorBitmaskConversionCost(), and llvm::SystemZTTIImpl::getVectorTruncCost().

getFastReductionCost()

InstructionCost getFastReductionCost	(	unsigned	NumVec,
		unsigned	NumElems,
		unsigned	ScalarBits
	)

Definition at line 1425 of file SystemZTargetTransformInfo.cpp.

References llvm::Log2_32_Ceil(), and llvm::SystemZ::VectorBits.

Referenced by llvm::SystemZTTIImpl::getArithmeticReductionCost().

getIntAddReductionCost()

InstructionCost getIntAddReductionCost	(	unsigned	NumVec,
		unsigned	ScalarBits
	)

Definition at line 1416 of file SystemZTargetTransformInfo.cpp.

Referenced by llvm::SystemZTTIImpl::getArithmeticReductionCost().

getNumVectorRegs()

static unsigned getNumVectorRegs ( Type *  Ty )

static

Definition at line 520 of file SystemZTargetTransformInfo.cpp.

References assert(), and getScalarSizeInBits().

Referenced by llvm::SystemZTTIImpl::getArithmeticInstrCost(), llvm::SystemZTTIImpl::getArithmeticReductionCost(), llvm::SystemZTTIImpl::getBoolVecToIntConversionCost(), llvm::SystemZTTIImpl::getCastInstrCost(), llvm::SystemZTTIImpl::getCmpSelInstrCost(), llvm::SystemZTTIImpl::getInterleavedMemoryOpCost(), llvm::SystemZTTIImpl::getMemoryOpCost(), llvm::SystemZTTIImpl::getMinMaxReductionCost(), llvm::SystemZTTIImpl::getShuffleCost(), llvm::SystemZTTIImpl::getVectorBitmaskConversionCost(), getVectorIntrinsicInstrCost(), and llvm::SystemZTTIImpl::getVectorTruncCost().

getOperandsExtensionCost()

static unsigned getOperandsExtensionCost ( const Instruction *  I )

static

Definition at line 1062 of file SystemZTargetTransformInfo.cpp.

References I.

Referenced by llvm::SystemZTTIImpl::getCmpSelInstrCost().

getScalarSizeInBits()

static unsigned getScalarSizeInBits ( Type *  Ty )

static

Definition at line 510 of file SystemZTargetTransformInfo.cpp.

References assert(), llvm::Type::getScalarSizeInBits(), llvm::Type::isPtrOrPtrVectorTy(), and Size.

Referenced by llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildVScale(), llvm::computeMinimumValueSizes(), llvm::SystemZTTIImpl::getInterleavedMemoryOpCost(), getNumVectorRegs(), llvm::SystemZTTIImpl::getVectorInstrCost(), llvm::SystemZTTIImpl::isFoldableLoad(), opMustUseVOP3Encoding(), llvm::InstCombinerImpl::visitLShr(), llvm::InstCombinerImpl::visitSwitchInst(), and llvm::InstCombinerImpl::visitZExt().

getVectorIntrinsicInstrCost()

static int getVectorIntrinsicInstrCost ( Intrinsic::ID  ID, Type *  RetTy, const SmallVectorImpl< Type * > &  ParamTys  )

static

Definition at line 1491 of file SystemZTargetTransformInfo.cpp.

References getNumVectorRegs(), and RetTy.

Referenced by llvm::SystemZTTIImpl::getIntrinsicInstrCost().

isBswapIntrinsicCall()

static bool isBswapIntrinsicCall ( const Value *  V )

static

Definition at line 1276 of file SystemZTargetTransformInfo.cpp.

References F, and I.

Referenced by llvm::SystemZTTIImpl::getMemoryOpCost().

isFreeEltLoad()

static bool isFreeEltLoad ( Value *  Op )

static

Definition at line 472 of file SystemZTargetTransformInfo.cpp.

Referenced by llvm::SystemZTTIImpl::getScalarizationOverhead(), and llvm::SystemZTTIImpl::getVectorInstrCost().

isUsedAsMemCpySource()

static bool isUsedAsMemCpySource ( const Value *  V, bool &  OtherUse  )

static

Definition at line 37 of file SystemZTargetTransformInfo.cpp.

References isUsedAsMemCpySource().

Referenced by llvm::SystemZTTIImpl::adjustInliningThreshold(), and isUsedAsMemCpySource().