llvm::InstrInfoQuery Struct Reference

InstrInfoQuery provides an interface to query additional information for instructions like metadata or keywords like nsw, which provides conservative results if the users specified it is safe to use. More...

#include "llvm/Analysis/SimplifyQuery.h"

Public Member Functions
	InstrInfoQuery (bool UMD)
	InstrInfoQuery ()=default
MDNode *	getMetadata (const Instruction *I, unsigned KindID) const
template<class InstT >
bool	hasNoUnsignedWrap (const InstT *Op) const
template<class InstT >
bool	hasNoSignedWrap (const InstT *Op) const
bool	isExact (const BinaryOperator *Op) const
template<class InstT >
bool	hasNoSignedZeros (const InstT *Op) const

Public Attributes
bool	UseInstrInfo = true

Detailed Description

InstrInfoQuery provides an interface to query additional information for instructions like metadata or keywords like nsw, which provides conservative results if the users specified it is safe to use.

Definition at line 23 of file SimplifyQuery.h.

Constructor & Destructor Documentation

InstrInfoQuery() [1/2]

llvm::InstrInfoQuery::InstrInfoQuery ( bool  UMD )

inline

Definition at line 24 of file SimplifyQuery.h.

InstrInfoQuery() [2/2]

llvm::InstrInfoQuery::InstrInfoQuery ( )

default

Member Function Documentation

getMetadata()

MDNode * llvm::InstrInfoQuery::getMetadata ( const Instruction *  I, unsigned  KindID  ) const

inline

Definition at line 28 of file SimplifyQuery.h.

References I, and UseInstrInfo.

Referenced by llvm::computeConstantRange(), computeKnownBitsFromOperator(), isKnownNonZero(), isKnownNonZeroFromOperator(), and simplifyICmpInst().

hasNoSignedWrap()

template<class InstT >

bool llvm::InstrInfoQuery::hasNoSignedWrap ( const InstT *  Op ) const

inline

Definition at line 40 of file SimplifyQuery.h.

References UseInstrInfo.

Referenced by computeKnownBitsFromOperator(), getRangeForSelectPattern(), isKnownNonZeroFromOperator(), isKnownToBeAPowerOfTwo(), isPowerOfTwoRecurrence(), setLimitsForBinOp(), simplifyAndOfICmpsWithAdd(), simplifyDivRem(), simplifyICmpWithBinOp(), simplifyInstructionWithOperands(), and simplifyOrOfICmpsWithAdd().

hasNoSignedZeros()

template<class InstT >

bool llvm::InstrInfoQuery::hasNoSignedZeros ( const InstT *  Op ) const

inline

Definition at line 52 of file SimplifyQuery.h.

References UseInstrInfo.

Referenced by computeKnownFPClass().

hasNoUnsignedWrap()

template<class InstT >

bool llvm::InstrInfoQuery::hasNoUnsignedWrap ( const InstT *  Op ) const

inline

Definition at line 34 of file SimplifyQuery.h.

References UseInstrInfo.

Referenced by computeKnownBitsFromOperator(), isKnownNonZeroFromOperator(), isKnownToBeAPowerOfTwo(), isPowerOfTwoRecurrence(), setLimitsForBinOp(), simplifyAndOfICmpsWithAdd(), simplifyDivRem(), simplifyICmpWithBinOp(), simplifyInstructionWithOperands(), and simplifyOrOfICmpsWithAdd().

isExact()

bool llvm::InstrInfoQuery::isExact ( const BinaryOperator *  Op ) const

inline

Definition at line 46 of file SimplifyQuery.h.

References UseInstrInfo.

Referenced by computeKnownBitsFromOperator(), isKnownToBeAPowerOfTwo(), isPowerOfTwoRecurrence(), setLimitsForBinOp(), simplifyICmpWithBinOp(), and simplifyInstructionWithOperands().

Member Data Documentation

UseInstrInfo

bool llvm::InstrInfoQuery::UseInstrInfo = true

Definition at line 26 of file SimplifyQuery.h.

Referenced by computeConstantRangeIncludingKnownBits(), computeKnownFPClass(), getMetadata(), hasNoSignedWrap(), hasNoSignedZeros(), hasNoUnsignedWrap(), isExact(), isKnownNonZeroFromOperator(), simplifyAndInst(), simplifyAShrInst(), simplifyFCmpInst(), simplifyICmpInst(), simplifyICmpWithConstant(), simplifyICmpWithZero(), simplifyLShrInst(), simplifyMulInst(), simplifyRem(), simplifyShlInst(), and trySimplifyICmpWithAdds().

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

• include/llvm/Analysis/SimplifyQuery.h