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 ()
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 60 of file InstructionSimplify.h.

Constructor & Destructor Documentation

InstrInfoQuery() [1/2]

llvm::InstrInfoQuery::InstrInfoQuery ( bool  UMD )

inline

Definition at line 61 of file InstructionSimplify.h.

InstrInfoQuery() [2/2]

llvm::InstrInfoQuery::InstrInfoQuery ( )

inline

Definition at line 62 of file InstructionSimplify.h.

Member Function Documentation

getMetadata()

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

inline

Definition at line 65 of file InstructionSimplify.h.

References llvm::Instruction::getMetadata().

Referenced by SimplifyICmpInst(), and simplifyICmpWithConstant().

hasNoSignedWrap()

template<class InstT >

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

inline

Definition at line 77 of file InstructionSimplify.h.

Referenced by setLimitsForBinOp(), simplifyAndOfICmpsWithAdd(), simplifyDiv(), simplifyICmpWithBinOp(), llvm::SimplifyInstruction(), simplifyOrOfICmpsWithAdd(), and SimplifyWithOpReplaced().

hasNoUnsignedWrap()

template<class InstT >

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

inline

Definition at line 71 of file InstructionSimplify.h.

Referenced by setLimitsForBinOp(), simplifyAndOfICmpsWithAdd(), simplifyDiv(), simplifyICmpWithBinOp(), llvm::SimplifyInstruction(), simplifyOrOfICmpsWithAdd(), and SimplifyWithOpReplaced().

isExact()

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

inline

Definition at line 83 of file InstructionSimplify.h.

Referenced by llvm::SimplifyQuery::getWithInstruction(), setLimitsForBinOp(), simplifyICmpWithBinOp(), llvm::SimplifyInstruction(), and SimplifyWithOpReplaced().

Member Data Documentation

UseInstrInfo

bool llvm::InstrInfoQuery::UseInstrInfo = true

Definition at line 63 of file InstructionSimplify.h.

Referenced by computePointerICmp(), SimplifyAShrInst(), SimplifyICmpInst(), 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