llvm::GEPNoWrapFlags Class Reference

Represents flags for the getelementptr instruction/expression. More...

#include "llvm/IR/GEPNoWrapFlags.h"

Public Member Functions
	GEPNoWrapFlags ()
	GEPNoWrapFlags (bool IsInBounds)
unsigned	getRaw () const
bool	isInBounds () const
bool	hasNoUnsignedSignedWrap () const
bool	hasNoUnsignedWrap () const
GEPNoWrapFlags	withoutInBounds () const
GEPNoWrapFlags	withoutNoUnsignedSignedWrap () const
GEPNoWrapFlags	withoutNoUnsignedWrap () const
GEPNoWrapFlags	intersectForOffsetAdd (GEPNoWrapFlags Other) const
	Given (gep (gep p, x), y), determine the nowrap flags for (gep p, x+y).
bool	operator== (GEPNoWrapFlags Other) const
bool	operator!= (GEPNoWrapFlags Other) const
GEPNoWrapFlags	operator& (GEPNoWrapFlags Other) const
GEPNoWrapFlags	operator| (GEPNoWrapFlags Other) const
GEPNoWrapFlags &	operator&= (GEPNoWrapFlags Other)
GEPNoWrapFlags &	operator|= (GEPNoWrapFlags Other)

Static Public Member Functions
static GEPNoWrapFlags	none ()
static GEPNoWrapFlags	all ()
static GEPNoWrapFlags	inBounds ()
static GEPNoWrapFlags	noUnsignedSignedWrap ()
static GEPNoWrapFlags	noUnsignedWrap ()
static GEPNoWrapFlags	fromRaw (unsigned Flags)

Detailed Description

Represents flags for the getelementptr instruction/expression.

The following flags are supported:

• inbounds (implies nusw)
• nusw (no unsigned signed wrap)
• nuw (no unsigned wrap) See LangRef for a description of their semantics.

Definition at line 26 of file GEPNoWrapFlags.h.

Constructor & Destructor Documentation

GEPNoWrapFlags() [1/2]

llvm::GEPNoWrapFlags::GEPNoWrapFlags ( )

inline

Definition at line 40 of file GEPNoWrapFlags.h.

Referenced by all(), fromRaw(), inBounds(), none(), noUnsignedSignedWrap(), noUnsignedWrap(), operator&(), operator|(), withoutInBounds(), withoutNoUnsignedSignedWrap(), and withoutNoUnsignedWrap().

GEPNoWrapFlags() [2/2]

llvm::GEPNoWrapFlags::GEPNoWrapFlags ( bool  IsInBounds )

inline

Definition at line 43 of file GEPNoWrapFlags.h.

Member Function Documentation

all()

static GEPNoWrapFlags llvm::GEPNoWrapFlags::all ( )

inlinestatic

Definition at line 47 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

fromRaw()

static GEPNoWrapFlags llvm::GEPNoWrapFlags::fromRaw ( unsigned  Flags )

inlinestatic

Definition at line 58 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by llvm::GEPOperator::getNoWrapFlags().

getRaw()

unsigned llvm::GEPNoWrapFlags::getRaw ( ) const

inline

Definition at line 61 of file GEPNoWrapFlags.h.

Referenced by llvm::ConstantExpr::getGetElementPtr(), and llvm::GetElementPtrInst::setNoWrapFlags().

hasNoUnsignedSignedWrap()

bool llvm::GEPNoWrapFlags::hasNoUnsignedSignedWrap ( ) const

inline

Definition at line 64 of file GEPNoWrapFlags.h.

Referenced by llvm::InstCombinerImpl::foldGEPICmp(), llvm::ScalarEvolution::getGEPExpr(), llvm::GEPOperator::hasNoUnsignedSignedWrap(), intersectForOffsetAdd(), mapToLLVMGEPNoWrapFlags(), llvm::VPRecipeWithIRFlags::printFlags(), and rewriteGEPAsOffset().

hasNoUnsignedWrap()

bool llvm::GEPNoWrapFlags::hasNoUnsignedWrap ( ) const

inline

Definition at line 65 of file GEPNoWrapFlags.h.

Referenced by llvm::InstCombinerImpl::foldGEPICmp(), llvm::ScalarEvolution::getGEPExpr(), llvm::GEPOperator::hasNoUnsignedWrap(), mapToLLVMGEPNoWrapFlags(), llvm::InstCombinerImpl::OptimizePointerDifference(), llvm::BasicAAResult::DecomposedGEP::print(), llvm::VPRecipeWithIRFlags::printFlags(), and rewriteGEPAsOffset().

inBounds()

static GEPNoWrapFlags llvm::GEPNoWrapFlags::inBounds ( )

inlinestatic

Definition at line 50 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by llvm::IRBuilderBase::CreateConstInBoundsGEP1_32(), llvm::IRBuilderBase::CreateConstInBoundsGEP1_64(), llvm::IRBuilderBase::CreateConstInBoundsGEP2_32(), llvm::IRBuilderBase::CreateConstInBoundsGEP2_64(), llvm::GetElementPtrInst::CreateInBounds(), llvm::IRBuilderBase::CreateInBoundsGEP(), llvm::IRBuilderBase::CreateInBoundsPtrAdd(), llvm::IRBuilderBase::CreateStructGEP(), llvm::ConstantExpr::getInBoundsGetElementPtr(), mapFromLLVMGEPNoWrapFlags(), llvm::GetElementPtrInst::setIsInBounds(), and toGEPNoWrapFlags().

intersectForOffsetAdd()

GEPNoWrapFlags llvm::GEPNoWrapFlags::intersectForOffsetAdd ( GEPNoWrapFlags  Other ) const

inline

Given (gep (gep p, x), y), determine the nowrap flags for (gep p, x+y).

Definition at line 78 of file GEPNoWrapFlags.h.

References hasNoUnsignedSignedWrap(), isInBounds(), llvm::Other, and withoutNoUnsignedSignedWrap().

Referenced by canRewriteGEPAsOffset(), and getMergedGEPNoWrapFlags().

isInBounds()

bool llvm::GEPNoWrapFlags::isInBounds ( ) const

inline

Definition at line 63 of file GEPNoWrapFlags.h.

Referenced by intersectForOffsetAdd(), llvm::GEPOperator::isInBounds(), mapToLLVMGEPNoWrapFlags(), llvm::InstCombinerImpl::OptimizePointerDifference(), llvm::BasicAAResult::DecomposedGEP::print(), and llvm::VPRecipeWithIRFlags::printFlags().

none()

static GEPNoWrapFlags llvm::GEPNoWrapFlags::none ( )

inlinestatic

Definition at line 46 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by llvm::IRBuilderBase::CreateConstGEP1_32(), llvm::IRBuilderBase::CreateConstGEP1_64(), llvm::IRBuilderBase::CreateConstGEP2_64(), decomposeGEP(), llvm::VPRecipeWithIRFlags::dropPoisonGeneratingFlags(), llvm::InstCombinerImpl::foldGEPICmp(), llvm::ScalarEvolution::getGEPExpr(), llvm::Operator::hasPoisonGeneratingFlags(), and llvm::PoisonFlags::PoisonFlags().

noUnsignedSignedWrap()

static GEPNoWrapFlags llvm::GEPNoWrapFlags::noUnsignedSignedWrap ( )

inlinestatic

Definition at line 53 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by mapFromLLVMGEPNoWrapFlags(), and toGEPNoWrapFlags().

noUnsignedWrap()

static GEPNoWrapFlags llvm::GEPNoWrapFlags::noUnsignedWrap ( )

inlinestatic

Definition at line 56 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by llvm::IRBuilderBase::CreateStructGEP(), mapFromLLVMGEPNoWrapFlags(), llvm::refineInstruction(), toGEPNoWrapFlags(), and llvm::InstCombinerImpl::visitGetElementPtrInst().

operator!=()

bool llvm::GEPNoWrapFlags::operator!= ( GEPNoWrapFlags  Other ) const

inline

Definition at line 88 of file GEPNoWrapFlags.h.

References llvm::Other.

operator&()

GEPNoWrapFlags llvm::GEPNoWrapFlags::operator& ( GEPNoWrapFlags  Other ) const

inline

Definition at line 90 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags(), and llvm::Other.

operator&=()

GEPNoWrapFlags & llvm::GEPNoWrapFlags::operator&= ( GEPNoWrapFlags  Other )

inline

Definition at line 96 of file GEPNoWrapFlags.h.

References llvm::Other.

operator==()

bool llvm::GEPNoWrapFlags::operator== ( GEPNoWrapFlags  Other ) const

inline

Definition at line 87 of file GEPNoWrapFlags.h.

References llvm::Other.

operator|()

GEPNoWrapFlags llvm::GEPNoWrapFlags::operator| ( GEPNoWrapFlags  Other ) const

inline

Definition at line 93 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags(), and llvm::Other.

operator|=()

GEPNoWrapFlags & llvm::GEPNoWrapFlags::operator|= ( GEPNoWrapFlags  Other )

inline

Definition at line 100 of file GEPNoWrapFlags.h.

References llvm::Other.

withoutInBounds()

GEPNoWrapFlags llvm::GEPNoWrapFlags::withoutInBounds ( ) const

inline

Definition at line 67 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by llvm::GetElementPtrInst::setIsInBounds().

withoutNoUnsignedSignedWrap()

GEPNoWrapFlags llvm::GEPNoWrapFlags::withoutNoUnsignedSignedWrap ( ) const

inline

Definition at line 70 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by intersectForOffsetAdd(), and llvm::InstCombinerImpl::visitGEPOfGEP().

withoutNoUnsignedWrap()

GEPNoWrapFlags llvm::GEPNoWrapFlags::withoutNoUnsignedWrap ( ) const

inline

Definition at line 73 of file GEPNoWrapFlags.h.

References GEPNoWrapFlags().

Referenced by llvm::InstCombinerImpl::visitGEPOfGEP().

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

• include/llvm/IR/GEPNoWrapFlags.h