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/InstructionSimplify.h"

Collaboration diagram for llvm::InstrInfoQuery:

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

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 63 of file InstructionSimplify.h.

Constructor & Destructor Documentation

InstrInfoQuery() [1/2]

llvm::InstrInfoQuery::InstrInfoQuery ( bool  UMD )

inline

Definition at line 64 of file InstructionSimplify.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 68 of file InstructionSimplify.h.

References I, and UseInstrInfo.

Referenced by llvm::computeConstantRange(), and simplifyICmpInst().

hasNoSignedWrap()

template<class InstT >

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

inline

Definition at line 80 of file InstructionSimplify.h.

References UseInstrInfo.

Referenced by setLimitsForBinOp(), setLimitsForSelectPattern(), simplifyAndOfICmpsWithAdd(), simplifyDivRem(), simplifyICmpWithBinOp(), simplifyInstructionWithOperands(), and simplifyOrOfICmpsWithAdd().

hasNoUnsignedWrap()

template<class InstT >

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

inline

Definition at line 74 of file InstructionSimplify.h.

References UseInstrInfo.

Referenced by setLimitsForBinOp(), simplifyAndOfICmpsWithAdd(), simplifyDivRem(), simplifyICmpWithBinOp(), simplifyInstructionWithOperands(), and simplifyOrOfICmpsWithAdd().

isExact()

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

inline

Definition at line 86 of file InstructionSimplify.h.

References UseInstrInfo.

Referenced by setLimitsForBinOp(), simplifyICmpWithBinOp(), and simplifyInstructionWithOperands().

Member Data Documentation

UseInstrInfo

bool llvm::InstrInfoQuery::UseInstrInfo = true

Definition at line 66 of file InstructionSimplify.h.

Referenced by computePointerICmp(), getMetadata(), hasNoSignedWrap(), hasNoUnsignedWrap(), isExact(), simplifyAShrInst(), simplifyICmpInst(), simplifyICmpWithConstant(), simplifyICmpWithZero(), simplifyMulInst(), simplifyRem(), and simplifyShlInst().

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

• include/llvm/Analysis/InstructionSimplify.h