llvm::AliasSetTracker Class Reference

#include <AliasSetTracker.h>

Collaboration diagram for llvm::AliasSetTracker:

List of all members.

Public Types

typedef ilist< AliasSet >::iterator iterator

typedef ilist< AliasSet >
::const_iterator const_iterator

Public Member Functions

AliasSetTracker (AliasAnalysis &aa)

~AliasSetTracker ()

bool add (Value *Ptr, unsigned Size)

bool add (LoadInst *LI)

bool add (StoreInst *SI)

bool add (FreeInst *FI)

bool add (VAArgInst *VAAI)

bool add (CallSite CS)

bool add (CallInst *CI)

bool add (InvokeInst *II)

bool add (Instruction *I)

void add (BasicBlock &BB)

void add (const AliasSetTracker &AST)

bool remove (Value *Ptr, unsigned Size)

bool remove (LoadInst *LI)

bool remove (StoreInst *SI)

bool remove (FreeInst *FI)

bool remove (VAArgInst *VAAI)

bool remove (CallSite CS)

bool remove (CallInst *CI)

bool remove (InvokeInst *II)

bool remove (Instruction *I)

void remove (AliasSet &AS)

void clear ()

const ilist< AliasSet > & getAliasSets () const

AliasSet & getAliasSetForPointer (Value *P, unsigned Size, bool *New=0)

AliasSet * getAliasSetForPointerIfExists (Value *P, unsigned Size)

bool containsPointer (Value *P, unsigned Size) const

AliasAnalysis & getAliasAnalysis () const

void deleteValue (Value *PtrVal)

void copyValue (Value *From, Value *To)

const_iterator begin () const

const_iterator end () const

iterator begin ()

iterator end ()

void print (std::ostream &OS) const

void print (std::ostream *OS) const

void dump () const

Friends

class AliasSet

Detailed Description

Definition at line 251 of file AliasSetTracker.h.

Member Typedef Documentation

typedef ilist<AliasSet>::iterator llvm::AliasSetTracker::iterator

Definition at line 348 of file AliasSetTracker.h.

typedef ilist<AliasSet>::const_iterator llvm::AliasSetTracker::const_iterator

Definition at line 349 of file AliasSetTracker.h.

Constructor & Destructor Documentation

llvm::AliasSetTracker::AliasSetTracker ( AliasAnalysis & aa ) [inline, explicit]

AliasSetTracker ctor - Create an empty collection of AliasSets, and use the specified alias analysis object to disambiguate load and store addresses.

Definition at line 261 of file AliasSetTracker.h.

llvm::AliasSetTracker::~AliasSetTracker ( ) [inline]

Definition at line 262 of file AliasSetTracker.h.

References clear().

Member Function Documentation

bool AliasSetTracker::add	(	Value *	Ptr,
		unsigned	Size
	)

add methods - These methods are used to add different types of instructions to the alias sets. Adding a new instruction can result in one of three actions happening:

1. If the instruction doesn't alias any other sets, create a new set. 2. If the instruction aliases exactly one set, add it to the set 3. If the instruction aliases multiple sets, merge the sets, and add the instruction to the result.

These methods return true if inserting the instruction resulted in the addition of a new alias set (i.e., the pointer did not alias anything).

Definition at line 259 of file AliasSetTracker.cpp.

bool AliasSetTracker::add ( LoadInst * LI )

Definition at line 266 of file AliasSetTracker.cpp.

References llvm::User::getOperand(), llvm::AliasAnalysis::getTargetData(), llvm::Value::getType(), llvm::TargetData::getTypeStoreSize(), llvm::LoadInst::isVolatile(), and llvm::AliasSet::setVolatile().

bool AliasSetTracker::add ( StoreInst * SI )

Definition at line 275 of file AliasSetTracker.cpp.

References llvm::User::getOperand(), llvm::AliasAnalysis::getTargetData(), llvm::Value::getType(), llvm::TargetData::getTypeStoreSize(), llvm::StoreInst::isVolatile(), llvm::AliasSet::setVolatile(), and Val.

bool AliasSetTracker::add ( FreeInst * FI )

Definition at line 285 of file AliasSetTracker.cpp.

References llvm::User::getOperand().

bool AliasSetTracker::add ( VAArgInst * VAAI )

Definition at line 291 of file AliasSetTracker.cpp.

References llvm::User::getOperand().

bool AliasSetTracker::add ( CallSite CS )

Definition at line 298 of file AliasSetTracker.cpp.

References llvm::AliasSet::addCallSite(), AliasSet, and llvm::AliasAnalysis::doesNotAccessMemory().

bool llvm::AliasSetTracker::add ( CallInst * CI ) [inline]

Definition at line 282 of file AliasSetTracker.h.

bool llvm::AliasSetTracker::add ( InvokeInst * II ) [inline]

Definition at line 283 of file AliasSetTracker.h.

References II.

bool AliasSetTracker::add ( Instruction * I )

Definition at line 314 of file AliasSetTracker.cpp.

References FI, II, and LI.

void AliasSetTracker::add ( BasicBlock & BB )

Definition at line 331 of file AliasSetTracker.cpp.

References llvm::BasicBlock::begin(), E, and llvm::BasicBlock::end().

void AliasSetTracker::add ( const AliasSetTracker & AST )

Definition at line 336 of file AliasSetTracker.cpp.

References AA, llvm::AliasSet::AccessTy, llvm::AliasSet::begin(), begin(), llvm::AliasSet::CallSites, E, llvm::AliasSet::end(), end(), llvm::AliasSet::iterator::getPointer(), llvm::AliasSet::iterator::getSize(), llvm::AliasSet::isVolatile(), llvm::AliasSet::setVolatile(), and X.

bool AliasSetTracker::remove	(	Value *	Ptr,
		unsigned	Size
	)

remove methods - These methods are used to remove all entries that might be aliased by the specified instruction. These methods return true if any alias sets were eliminated.

Definition at line 390 of file AliasSetTracker.cpp.

bool AliasSetTracker::remove ( LoadInst * LI )

Definition at line 397 of file AliasSetTracker.cpp.

References llvm::User::getOperand(), llvm::AliasAnalysis::getTargetData(), llvm::Value::getType(), and llvm::TargetData::getTypeStoreSize().

bool AliasSetTracker::remove ( StoreInst * SI )

Definition at line 405 of file AliasSetTracker.cpp.

References llvm::User::getOperand(), llvm::AliasAnalysis::getTargetData(), llvm::Value::getType(), and llvm::TargetData::getTypeStoreSize().

bool AliasSetTracker::remove ( FreeInst * FI )

Definition at line 414 of file AliasSetTracker.cpp.

References llvm::User::getOperand().

bool AliasSetTracker::remove ( VAArgInst * VAAI )

Definition at line 421 of file AliasSetTracker.cpp.

References llvm::User::getOperand().

bool AliasSetTracker::remove ( CallSite CS )

Definition at line 428 of file AliasSetTracker.cpp.

References llvm::AliasAnalysis::doesNotAccessMemory().

bool llvm::AliasSetTracker::remove ( CallInst * CI ) [inline]

Definition at line 297 of file AliasSetTracker.h.

bool llvm::AliasSetTracker::remove ( InvokeInst * II ) [inline]

Definition at line 298 of file AliasSetTracker.h.

References II.

bool AliasSetTracker::remove ( Instruction * I )

Definition at line 438 of file AliasSetTracker.cpp.

References FI, and LI.

void AliasSetTracker::remove ( AliasSet & AS )

remove - Remove the specified (potentially non-empty) alias set from the tracker.

Definition at line 364 of file AliasSetTracker.cpp.

References llvm::AliasSet::CallSites, llvm::AliasSet::empty(), llvm::AliasSet::PtrList, llvm::AliasSet::RefCount, and llvm::AliasSet::removeFromTracker().

void llvm::AliasSetTracker::clear ( ) [inline]

Definition at line 302 of file AliasSetTracker.h.

Referenced by ~AliasSetTracker().

const ilist<AliasSet>& llvm::AliasSetTracker::getAliasSets ( ) const [inline]

getAliasSets - Return the alias sets that are active.

Definition at line 309 of file AliasSetTracker.h.

AliasSet & AliasSetTracker::getAliasSetForPointer	(	Value *	Pointer,
		unsigned	Size,
		bool *	New = `0`
	)

getAliasSetForPointer - Return the alias set that the specified pointer lives in. If the New argument is non-null, this method sets the value to true if a new alias set is created to contain the pointer (because the pointer didn't alias anything).

getAliasSetForPointer - Return the alias set that the specified pointer lives in...

Definition at line 237 of file AliasSetTracker.cpp.

References llvm::AliasSet::addPointer(), and AliasSet.

AliasSet* llvm::AliasSetTracker::getAliasSetForPointerIfExists	(	Value *	P,
		unsigned	Size
	)			`[inline]`

getAliasSetForPointerIfExists - Return the alias set containing the location specified if one exists, otherwise return null.

Definition at line 319 of file AliasSetTracker.h.

bool AliasSetTracker::containsPointer	(	Value *	Ptr,
		unsigned	Size
	)			const

containsPointer - Return true if the specified location is represented by this alias set, false otherwise. This does not modify the AST object or alias sets.

Definition at line 209 of file AliasSetTracker.cpp.

References begin(), E, and end().

AliasAnalysis& llvm::AliasSetTracker::getAliasAnalysis ( ) const [inline]

getAliasAnalysis - Return the underlying alias analysis object used by this tracker.

Definition at line 330 of file AliasSetTracker.h.

Referenced by llvm::AliasSet::mergeSetIn().

void AliasSetTracker::deleteValue ( Value * PtrVal )

deleteValue method - This method is used to remove a pointer value from the AliasSetTracker entirely. It should be used when an instruction is deleted from the program to update the AST. If you don't use this, you would have dangling pointers to deleted instructions.

Definition at line 459 of file AliasSetTracker.cpp.

References llvm::AliasAnalysis::deleteValue(), llvm::AliasAnalysis::doesNotAccessMemory(), llvm::AliasSet::dropRef(), llvm::CallSite::get(), llvm::CallSite::getInstruction(), and llvm::AliasSet::removeCallSite().

void AliasSetTracker::copyValue	(	Value *	From,
		Value *	To
	)

copyValue - This method should be used whenever a preexisting value in the program is copied or cloned, introducing a new value. Note that it is ok for clients that use this method to introduce the same value multiple times: if the tracker already knows about a value, it will ignore the request.

Definition at line 491 of file AliasSetTracker.cpp.

References llvm::AliasSet::addPointer(), and llvm::AliasAnalysis::copyValue().

const_iterator llvm::AliasSetTracker::begin ( ) const [inline]

Definition at line 351 of file AliasSetTracker.h.

Referenced by add(), containsPointer(), and print().

const_iterator llvm::AliasSetTracker::end ( ) const [inline]

Definition at line 352 of file AliasSetTracker.h.

Referenced by add(), containsPointer(), and print().

iterator llvm::AliasSetTracker::begin ( ) [inline]

Definition at line 354 of file AliasSetTracker.h.

iterator llvm::AliasSetTracker::end ( ) [inline]

Definition at line 355 of file AliasSetTracker.h.

void AliasSetTracker::print ( std::ostream & OS ) const

Definition at line 547 of file AliasSetTracker.cpp.

References begin(), E, and end().

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

void llvm::AliasSetTracker::print ( std::ostream * OS ) const [inline]

Definition at line 358 of file AliasSetTracker.h.

References print().

void AliasSetTracker::dump ( ) const

Definition at line 556 of file AliasSetTracker.cpp.

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

Friends And Related Function Documentation

friend class AliasSet [friend]

Definition at line 362 of file AliasSetTracker.h.

Referenced by add(), and getAliasSetForPointer().

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


Public Types
typedef ilist< AliasSet >::iterator	iterator
typedef ilist< AliasSet > ::const_iterator	const_iterator
Public Member Functions
	AliasSetTracker (AliasAnalysis &aa)
	~AliasSetTracker ()
bool	add (Value *Ptr, unsigned Size)
bool	add (LoadInst *LI)
bool	add (StoreInst *SI)
bool	add (FreeInst *FI)
bool	add (VAArgInst *VAAI)
bool	add (CallSite CS)
bool	add (CallInst *CI)
bool	add (InvokeInst *II)
bool	add (Instruction *I)
void	add (BasicBlock &BB)
void	add (const AliasSetTracker &AST)
bool	remove (Value *Ptr, unsigned Size)
bool	remove (LoadInst *LI)
bool	remove (StoreInst *SI)
bool	remove (FreeInst *FI)
bool	remove (VAArgInst *VAAI)
bool	remove (CallSite CS)
bool	remove (CallInst *CI)
bool	remove (InvokeInst *II)
bool	remove (Instruction *I)
void	remove (AliasSet &AS)
void	clear ()
const ilist< AliasSet > &	getAliasSets () const
AliasSet &	getAliasSetForPointer (Value P, unsigned Size, bool New=0)
AliasSet *	getAliasSetForPointerIfExists (Value *P, unsigned Size)
bool	containsPointer (Value *P, unsigned Size) const
AliasAnalysis &	getAliasAnalysis () const
void	deleteValue (Value *PtrVal)
void	copyValue (Value From, Value To)
const_iterator	begin () const
const_iterator	end () const
iterator	begin ()
iterator	end ()
void	print (std::ostream &OS) const
void	print (std::ostream *OS) const
void	dump () const
Friends
class	AliasSet