llvm::SimplifyQuery Struct Reference

#include "llvm/Analysis/InstructionSimplify.h"

Collaboration diagram for llvm::SimplifyQuery:

Public Member Functions
	SimplifyQuery (const DataLayout &DL, const Instruction *CXTI=nullptr)
	SimplifyQuery (const DataLayout &DL, const TargetLibraryInfo *TLI, const DominatorTree *DT=nullptr, AssumptionCache *AC=nullptr, const Instruction *CXTI=nullptr, bool UseInstrInfo=true, bool CanUseUndef=true)
SimplifyQuery	getWithInstruction (Instruction *I) const
SimplifyQuery	getWithoutUndef () const
bool	isUndefValue (Value *V) const
	If CanUseUndef is true, returns whether V is undef. More...

Public Attributes
const DataLayout &	DL
const TargetLibraryInfo *	TLI = nullptr
const DominatorTree *	DT = nullptr
AssumptionCache *	AC = nullptr
const Instruction *	CxtI = nullptr
const InstrInfoQuery	IIQ
bool	CanUseUndef = true
	Controls whether simplifications are allowed to constrain the range of possible values for uses of undef. More...

Detailed Description

Definition at line 94 of file InstructionSimplify.h.

Constructor & Destructor Documentation

SimplifyQuery() [1/2]

llvm::SimplifyQuery::SimplifyQuery ( const DataLayout &  DL, const Instruction *  CXTI = nullptr  )

inline

Definition at line 111 of file InstructionSimplify.h.

SimplifyQuery() [2/2]

llvm::SimplifyQuery::SimplifyQuery ( const DataLayout &  DL, const TargetLibraryInfo *  TLI, const DominatorTree *  DT = nullptr, AssumptionCache *  AC = nullptr, const Instruction *  CXTI = nullptr, bool  UseInstrInfo = true, bool  CanUseUndef = true  )

inline

Definition at line 114 of file InstructionSimplify.h.

Member Function Documentation

getWithInstruction()

SimplifyQuery llvm::SimplifyQuery::getWithInstruction ( Instruction *  I ) const

inline

Definition at line 121 of file InstructionSimplify.h.

References I.

Referenced by llvm::InstCombinerImpl::foldICmpBinOp(), foldShiftIntoShiftInAnotherHandOfAndInICmp(), llvm::InstCombinerImpl::reassociateShiftAmtsOfTwoSameDirectionShifts(), simplifyInstructionWithOperands(), simplifyLoopInst(), llvm::InstCombinerImpl::SimplifySelectsFeedingBinaryOp(), ThreadCmpOverPHI(), llvm::InstCombinerImpl::visitICmpInst(), llvm::InstCombinerImpl::visitShl(), and llvm::InstCombinerImpl::visitShuffleVectorInst().

getWithoutUndef()

SimplifyQuery llvm::SimplifyQuery::getWithoutUndef ( ) const

inline

Definition at line 126 of file InstructionSimplify.h.

Referenced by expandBinOp(), and simplifyBinaryIntrinsic().

isUndefValue()

bool llvm::SimplifyQuery::isUndefValue ( Value *  V ) const

inline

If CanUseUndef is true, returns whether V is undef.

Otherwise always return false.

Definition at line 134 of file InstructionSimplify.h.

References CanUseUndef, llvm::PatternMatch::m_Undef(), and llvm::PatternMatch::match().

Referenced by isPoisonShift(), SimplifyAddInst(), SimplifyAndInst(), simplifyBinaryIntrinsic(), simplifyDivRem(), SimplifyExtractElementInst(), SimplifyFCmpInst(), simplifyFPOp(), SimplifyGEPInst(), SimplifyICmpInst(), llvm::SimplifyInsertElementInst(), SimplifyInsertValueInst(), simplifyIntrinsic(), SimplifyMulInst(), SimplifyOrInst(), SimplifyPHINode(), SimplifyRightShift(), SimplifySelectInst(), SimplifyShlInst(), SimplifyShuffleVectorInst(), SimplifySubInst(), SimplifyXorInst(), and ThreadBinOpOverSelect().

Member Data Documentation

AC

AssumptionCache* llvm::SimplifyQuery::AC = nullptr

Definition at line 98 of file InstructionSimplify.h.

Referenced by llvm::InstCombinerImpl::foldICmpBinOp(), foldUnsignedUnderflowCheck(), SimplifyAndInst(), SimplifyAShrInst(), SimplifyFreezeInst(), SimplifyICmpInst(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), SimplifyLShrInst(), SimplifyOrInst(), SimplifyRightShift(), SimplifySelectInst(), SimplifyShift(), SimplifySubInst(), simplifyUnaryIntrinsic(), and simplifyUnsignedRangeCheck().

CanUseUndef

bool llvm::SimplifyQuery::CanUseUndef = true

Controls whether simplifications are allowed to constrain the range of possible values for uses of undef.

If it is false, simplifications are not allowed to assume a particular value for a use of undef for example.

Definition at line 109 of file InstructionSimplify.h.

Referenced by isUndefValue().

CxtI

const Instruction* llvm::SimplifyQuery::CxtI = nullptr

Definition at line 99 of file InstructionSimplify.h.

Referenced by computePointerICmp(), llvm::InstCombinerImpl::foldICmpBinOp(), foldUnsignedUnderflowCheck(), SimplifyAndInst(), SimplifyAShrInst(), simplifyBinaryIntrinsic(), SimplifyFreezeInst(), SimplifyICmpInst(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), simplifyInstructionWithOperands(), SimplifyLShrInst(), SimplifyOrInst(), SimplifyRightShift(), SimplifySelectInst(), simplifySelectWithFCmp(), SimplifyShift(), SimplifySubInst(), simplifyUnaryIntrinsic(), and simplifyUnsignedRangeCheck().

DL

const DataLayout& llvm::SimplifyQuery::DL

Definition at line 95 of file InstructionSimplify.h.

Referenced by computePointerICmp(), foldConstant(), llvm::InstCombinerImpl::foldICmpBinOp(), foldOrCommuteConstant(), foldUnsignedUnderflowCheck(), SimplifyAndInst(), SimplifyAShrInst(), simplifyBinaryIntrinsic(), SimplifyCastInst(), SimplifyFCmpInst(), SimplifyGEPInst(), SimplifyICmpInst(), simplifyICmpOfBools(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), simplifyInstructionWithOperands(), SimplifyLoadInst(), SimplifyLShrInst(), SimplifyOrInst(), SimplifyRightShift(), SimplifySelectInst(), SimplifyShift(), SimplifySubInst(), simplifyUnaryIntrinsic(), simplifyUnsignedRangeCheck(), and simplifyWithOpReplaced().

DT

const DominatorTree* llvm::SimplifyQuery::DT = nullptr

Definition at line 97 of file InstructionSimplify.h.

Referenced by computePointerICmp(), llvm::InstCombinerImpl::foldICmpBinOp(), foldUnsignedUnderflowCheck(), runImpl(), SimplifyAndInst(), SimplifyAShrInst(), SimplifyFreezeInst(), SimplifyICmpInst(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), SimplifyLShrInst(), SimplifyOrInst(), SimplifyPHINode(), SimplifyRightShift(), SimplifySelectInst(), SimplifyShift(), SimplifySubInst(), simplifyUnaryIntrinsic(), simplifyUnsignedRangeCheck(), ThreadBinOpOverPHI(), and ThreadCmpOverPHI().

IIQ

const InstrInfoQuery llvm::SimplifyQuery::IIQ

Definition at line 104 of file InstructionSimplify.h.

Referenced by computePointerICmp(), simplifyAndOfICmps(), SimplifyAShrInst(), simplifyDivRem(), SimplifyICmpInst(), simplifyICmpWithBinOp(), simplifyICmpWithZero(), simplifyInstructionWithOperands(), SimplifyMulInst(), simplifyOrOfICmps(), simplifyRem(), and SimplifyShlInst().

TLI

const TargetLibraryInfo* llvm::SimplifyQuery::TLI = nullptr

Definition at line 96 of file InstructionSimplify.h.

Referenced by computePointerICmp(), runImpl(), simplifyAndOrOfCmps(), SimplifyFCmpInst(), SimplifyICmpInst(), simplifyInstructionWithOperands(), simplifyUnaryIntrinsic(), simplifyWithOpReplaced(), and tryConstantFoldCall().

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The documentation for this struct was generated from the following file:

• include/llvm/Analysis/InstructionSimplify.h