llvm::AliasSet Class Reference

#include "llvm/Analysis/AliasSetTracker.h"

Inheritance diagram for llvm::AliasSet:

Collaboration diagram for llvm::AliasSet:

Classes
class	iterator
	Define an iterator for alias sets... this is just a forward iterator. More...

Public Member Functions
	AliasSet (const AliasSet &)=delete
AliasSet &	operator= (const AliasSet &)=delete
bool	isRef () const
	Accessors... More...
bool	isMod () const
bool	isMustAlias () const
bool	isMayAlias () const
bool	isForwardingAliasSet () const
	Return true if this alias set should be ignored as part of the AliasSetTracker object. More...
void	mergeSetIn (AliasSet &AS, AliasSetTracker &AST)
	Merge the specified alias set into this alias set. More...
iterator	begin () const
iterator	end () const
bool	empty () const
unsigned	size ()
Instruction *	getUniqueInstruction ()
	If this alias set is known to contain a single instruction and only a single unique instruction, return it. More...
void	print (raw_ostream &OS) const
void	dump () const
bool	aliasesPointer (const Value *Ptr, LocationSize Size, const AAMDNodes &AAInfo, AliasAnalysis &AA) const
	Return true if the specified pointer "may" (or must) alias one of the members in the set. More...
bool	aliasesUnknownInst (const Instruction *Inst, AliasAnalysis &AA) const
Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< AliasSet, Options... >::type >
self_iterator	getIterator ()
const_self_iterator	getIterator () const
reverse_self_iterator	getReverseIterator ()
const_reverse_self_iterator	getReverseIterator () const
bool	isSentinel () const
	Check whether this is the sentinel node. More...

Friends
class	AliasSetTracker

Additional Inherited Members
Protected Types inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< AliasSet, Options... >::type >
using	self_iterator = ilist_iterator< ilist_detail::compute_node_options< AliasSet, Options... >::type, false, false >
using	const_self_iterator = ilist_iterator< ilist_detail::compute_node_options< AliasSet, Options... >::type, false, true >
using	reverse_self_iterator = ilist_iterator< ilist_detail::compute_node_options< AliasSet, Options... >::type, true, false >
using	const_reverse_self_iterator = ilist_iterator< ilist_detail::compute_node_options< AliasSet, Options... >::type, true, true >
Protected Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< AliasSet, Options... >::type >
	ilist_node_impl ()=default

Detailed Description

Definition at line 47 of file AliasSetTracker.h.

Constructor & Destructor Documentation

AliasSet()

llvm::AliasSet::AliasSet ( const AliasSet &  )

delete

Member Function Documentation

aliasesPointer()

bool AliasSet::aliasesPointer	(	const Value *	Ptr,
		LocationSize	Size,
		const AAMDNodes &	AAInfo,
		AliasAnalysis &	AA
	)		const

Return true if the specified pointer "may" (or must) alias one of the members in the set.

aliasesPointer - Return true if the specified pointer "may" (or must) alias one of the members in the set.

Definition at line 190 of file AliasSetTracker.cpp.

References llvm::AAResults::alias(), assert(), begin(), E, end(), llvm::AAResults::getModRefInfo(), I, and llvm::isModOrRefSet().

Referenced by llvm::AliasSet::iterator::operator++().

aliasesUnknownInst()

bool AliasSet::aliasesUnknownInst	(	const Instruction *	Inst,
		AliasAnalysis &	AA
	)		const

Definition at line 227 of file AliasSetTracker.cpp.

References assert(), begin(), llvm::dyn_cast(), E, end(), llvm::AAResults::getModRefInfo(), I, llvm::isModOrRefSet(), and llvm::Instruction::mayReadOrWriteMemory().

Referenced by llvm::AliasSet::iterator::operator++().

begin()

iterator llvm::AliasSet::begin ( ) const

inline

Definition at line 221 of file AliasSetTracker.h.

Referenced by llvm::AliasSetTracker::add(), aliasesPointer(), aliasesUnknownInst(), llvm::AliasSetTracker::clear(), llvm::AliasSetTracker::copyValue(), getUniqueInstruction(), and print().

dump()

LLVM_DUMP_METHOD void AliasSet::dump

(

)

const

Definition at line 674 of file AliasSetTracker.cpp.

References llvm::dbgs(), and print().

Referenced by llvm::AliasSetTracker::end(), and size().

empty()

bool llvm::AliasSet::empty ( ) const

inline

Definition at line 223 of file AliasSetTracker.h.

Referenced by print().

end()

iterator llvm::AliasSet::end ( ) const

inline

Definition at line 222 of file AliasSetTracker.h.

Referenced by llvm::AliasSetTracker::add(), aliasesPointer(), aliasesUnknownInst(), llvm::AliasSetTracker::clear(), llvm::AliasSetTracker::copyValue(), getUniqueInstruction(), and print().

getUniqueInstruction()

Instruction * AliasSet::getUniqueInstruction

(

)

If this alias set is known to contain a single instruction and only a single unique instruction, return it.

Otherwise, return nullptr.

Definition at line 254 of file AliasSetTracker.cpp.

References assert(), begin(), end(), llvm::Value::user_begin(), llvm::Value::user_empty(), and llvm::Value::user_end().

Referenced by llvm::canSinkOrHoistInst(), and size().

isForwardingAliasSet()

bool llvm::AliasSet::isForwardingAliasSet ( ) const

inline

Return true if this alias set should be ignored as part of the AliasSetTracker object.

Definition at line 213 of file AliasSetTracker.h.

References mergeSetIn().

isMayAlias()

bool llvm::AliasSet::isMayAlias ( ) const

inline

Definition at line 209 of file AliasSetTracker.h.

isMod()

bool llvm::AliasSet::isMod ( ) const

inline

Definition at line 207 of file AliasSetTracker.h.

Referenced by pointerInvalidatedByLoop().

isMustAlias()

bool llvm::AliasSet::isMustAlias ( ) const

inline

Definition at line 208 of file AliasSetTracker.h.

Referenced by mergeSetIn().

isRef()

bool llvm::AliasSet::isRef ( ) const

inline

Accessors...

Definition at line 206 of file AliasSetTracker.h.

mergeSetIn()

void AliasSet::mergeSetIn	(	AliasSet &	AS,
		AliasSetTracker &	AST
	)

Merge the specified alias set into this alias set.

mergeSetIn - Merge the specified alias set into this alias set.

Definition at line 51 of file AliasSetTracker.cpp.

References llvm::AAResults::alias(), assert(), llvm::AliasSetTracker::getAliasAnalysis(), I, llvm::isGuard(), isMustAlias(), llvm::PatternMatch::match(), llvm::Instruction::mayWriteToMemory(), llvm::MustAlias, llvm::NoAlias, P, Size, size(), std::swap(), and llvm::Value::use_empty().

Referenced by llvm::AliasSetTracker::clear(), and isForwardingAliasSet().

operator=()

AliasSet& llvm::AliasSet::operator= ( const AliasSet &  )

delete

print()

void AliasSet::print

(

raw_ostream &

OS

)

const

Definition at line 626 of file AliasSetTracker.cpp.

References begin(), E, empty(), end(), llvm::Value::hasName(), I, llvm_unreachable, llvm::Value::print(), llvm::Value::printAsOperand(), and llvm::LocationSize::unknown().

Referenced by dump(), llvm::AliasSetTracker::dump(), llvm::AliasSetTracker::end(), llvm::operator<<(), llvm::AliasSetTracker::print(), and size().

size()

unsigned llvm::AliasSet::size ( )

inline

Definition at line 227 of file AliasSetTracker.h.

References dump(), getUniqueInstruction(), and print().

Referenced by mergeSetIn().

Friends And Related Function Documentation

AliasSetTracker

friend class AliasSetTracker

friend

Definition at line 48 of file AliasSetTracker.h.

Referenced by llvm::AliasSetTracker::dump().

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

• include/llvm/Analysis/AliasSetTracker.h
• lib/Analysis/AliasSetTracker.cpp