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/InstIterator.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 (const 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 30 of file SystemZTargetTransformInfo.cpp.

Function Documentation

countNumMemAccesses()

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

static

Definition at line 57 of file SystemZTargetTransformInfo.cpp.

References countNumMemAccesses(), llvm::dyn_cast(), F, GEP, llvm::isa(), and Ptr.

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

customCostReductions()

bool customCostReductions ( unsigned Opcode )

inline

Definition at line 1455 of file SystemZTargetTransformInfo.cpp.

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

getCmpOpsType()

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

static

Definition at line 848 of file SystemZTargetTransformInfo.cpp.

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

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

getElSizeLog2Diff()

unsigned getElSizeLog2Diff ( Type * Ty0, Type * Ty1 )

static

Definition at line 771 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 1443 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 1434 of file SystemZTargetTransformInfo.cpp.

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

getNumVectorRegs()

unsigned getNumVectorRegs ( Type * Ty )

static

Definition at line 535 of file SystemZTargetTransformInfo.cpp.

References assert(), llvm::cast(), 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()

unsigned getOperandsExtensionCost ( const Instruction * I )

static

Definition at line 1079 of file SystemZTargetTransformInfo.cpp.

References I, and llvm::isa().

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

getScalarSizeInBits()

unsigned getScalarSizeInBits ( Type * Ty )

static

Definition at line 525 of file SystemZTargetTransformInfo.cpp.

References assert(), and Size.

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

getVectorIntrinsicInstrCost()

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

static

Definition at line 1509 of file SystemZTargetTransformInfo.cpp.

References getNumVectorRegs(), and llvm::Type::isVectorTy().

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

isBswapIntrinsicCall()

bool isBswapIntrinsicCall ( const Value * V )

static

Definition at line 1294 of file SystemZTargetTransformInfo.cpp.

References llvm::dyn_cast(), F, and I.

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

isFreeEltLoad()

bool isFreeEltLoad ( const Value * Op )

static

Definition at line 486 of file SystemZTargetTransformInfo.cpp.

References llvm::cast(), and llvm::isa().

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

isUsedAsMemCpySource()

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

static

Definition at line 38 of file SystemZTargetTransformInfo.cpp.

References llvm::dyn_cast(), llvm::isa(), isUsedAsMemCpySource(), and llvm::Value::users().

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