#include <GlobalAlias.h>

Inheritance diagram for llvm::GlobalAlias:

Collaboration diagram for llvm::GlobalAlias:

Public Member Functions
void *	operator new (size_t s)

	GlobalAlias (Type Ty, LinkageTypes Linkage, const Twine &Name="", Constant Aliasee=0, Module *Parent=0)

	DECLARE_TRANSPARENT_OPERAND_ACCESSORS (Constant)
	Provide fast operand accessors. More...

virtual void	removeFromParent ()

virtual void	eraseFromParent ()

void	setAliasee (Constant *GV)
	set/getAliasee - These methods retrive and set alias target. More...

const Constant *	getAliasee () const

Constant *	getAliasee ()

GlobalValue *	getAliasedGlobal ()

const GlobalValue *	getAliasedGlobal () const

GlobalValue *	resolveAliasedGlobal (bool stopOnWeak=true)

const GlobalValue *	resolveAliasedGlobal (bool stopOnWeak=true) const

Public Member Functions inherited from llvm::GlobalValue
	~GlobalValue ()

unsigned	getAlignment () const

void	setAlignment (unsigned Align)

bool	hasUnnamedAddr () const

void	setUnnamedAddr (bool Val)

VisibilityTypes	getVisibility () const

bool	hasDefaultVisibility () const

bool	hasHiddenVisibility () const

bool	hasProtectedVisibility () const

void	setVisibility (VisibilityTypes V)

bool	hasSection () const

const std::string &	getSection () const

void	setSection (StringRef S)

bool	use_empty_except_constants ()
	Determine if the usage of this global value is empty except for transitively dead constants. More...

PointerType *	getType () const
	getType - Global values are always pointers. More...

bool	hasExternalLinkage () const

bool	hasAvailableExternallyLinkage () const

bool	hasLinkOnceLinkage () const

bool	hasWeakLinkage () const

bool	hasAppendingLinkage () const

bool	hasInternalLinkage () const

bool	hasPrivateLinkage () const

bool	hasLinkerPrivateLinkage () const

bool	hasLinkerPrivateWeakLinkage () const

bool	hasLocalLinkage () const

bool	hasDLLImportLinkage () const

bool	hasDLLExportLinkage () const

bool	hasExternalWeakLinkage () const

bool	hasCommonLinkage () const

void	setLinkage (LinkageTypes LT)

LinkageTypes	getLinkage () const

bool	isDiscardableIfUnused () const

bool	mayBeOverridden () const

bool	isWeakForLinker () const

virtual void	copyAttributesFrom (const GlobalValue *Src)

virtual void	destroyConstant ()
	Override from Constant class. More...

bool	isDeclaration () const

Module *	getParent ()

const Module *	getParent () const

bool	isMaterializable () const

bool	isDematerializable () const

bool	Materialize (std::string *ErrInfo=0)

void	Dematerialize ()

Public Member Functions inherited from llvm::Constant
bool	isNullValue () const

bool	isAllOnesValue () const

bool	isNegativeZeroValue () const

bool	isZeroValue () const
	Return true if the value is negative zero or null value. More...

bool	canTrap () const

bool	isThreadDependent () const
	isThreadDependent - Return true if the value can vary between threads. More...

bool	isConstantUsed () const

PossibleRelocationsTy	getRelocationInfo () const

Constant *	getAggregateElement (unsigned Elt) const

Constant *	getAggregateElement (Constant *Elt) const

Constant *	getSplatValue () const

const APInt &	getUniqueInteger () const

virtual void	replaceUsesOfWithOnConstant (Value , Value , Use *)

void	removeDeadConstantUsers () const

Public Member Functions inherited from llvm::User
	~User ()

void	operator delete (void *Usr)
	operator delete - free memory allocated for User and Use objects More...

void	operator delete (void *, unsigned)
	placement delete - required by std, but never called. More...

void	operator delete (void *, unsigned, bool)
	placement delete - required by std, but never called. More...

Value *	getOperand (unsigned i) const

void	setOperand (unsigned i, Value *Val)

const Use &	getOperandUse (unsigned i) const

Use &	getOperandUse (unsigned i)

unsigned	getNumOperands () const

op_iterator	op_begin ()

const_op_iterator	op_begin () const

op_iterator	op_end ()

const_op_iterator	op_end () const

value_op_iterator	value_op_begin ()

value_op_iterator	value_op_end ()

void	dropAllReferences ()

void	replaceUsesOfWith (Value From, Value To)

Public Member Functions inherited from llvm::Value
virtual	~Value ()

void	dump () const
	dump - Support for debugging, callable in GDB: V->dump() More...

void	print (raw_ostream &O, AssemblyAnnotationWriter *AAW=0) const

Type *	getType () const

LLVMContext &	getContext () const
	All values hold a context through their type. More...

bool	hasName () const

ValueName *	getValueName () const

void	setValueName (ValueName *VN)

StringRef	getName () const

void	setName (const Twine &Name)

void	takeName (Value *V)

void	replaceAllUsesWith (Value *V)

bool	use_empty () const

use_iterator	use_begin ()

const_use_iterator	use_begin () const

use_iterator	use_end ()

const_use_iterator	use_end () const

User *	use_back ()

const User *	use_back () const

bool	hasOneUse () const

bool	hasNUses (unsigned N) const

bool	hasNUsesOrMore (unsigned N) const

bool	isUsedInBasicBlock (const BasicBlock *BB) const

unsigned	getNumUses () const

void	addUse (Use &U)

unsigned	getValueID () const

unsigned	getRawSubclassOptionalData () const

void	clearSubclassOptionalData ()

bool	hasSameSubclassOptionalData (const Value *V) const

void	intersectOptionalDataWith (const Value *V)

bool	hasValueHandle () const

Value *	stripPointerCasts ()
	Strips off any unneeded pointer casts, all-zero GEPs and aliases from the specified value, returning the original uncasted value. More...

const Value *	stripPointerCasts () const

Value *	stripPointerCastsNoFollowAliases ()
	Strips off any unneeded pointer casts and all-zero GEPs from the specified value, returning the original uncasted value. More...

const Value *	stripPointerCastsNoFollowAliases () const

Value *	stripInBoundsConstantOffsets ()
	Strips off unneeded pointer casts and all-constant GEPs from the specified value, returning the original pointer value. More...

const Value *	stripInBoundsConstantOffsets () const

Value *	stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset)
	Strips like `stripInBoundsConstantOffsets` but also accumulates the constant offset stripped. More...

const Value *	stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) const

Value *	stripInBoundsOffsets ()
	Strips off unneeded pointer casts and any in-bounds offsets from the specified value, returning the original pointer value. More...

const Value *	stripInBoundsOffsets () const

bool	isDereferenceablePointer () const

Value *	DoPHITranslation (const BasicBlock CurBB, const BasicBlock PredBB)

const Value *	DoPHITranslation (const BasicBlock CurBB, const BasicBlock PredBB) const

void	mutateType (Type *Ty)

Public Member Functions inherited from llvm::ilist_node< GlobalAlias >
GlobalAlias *	getPrevNode ()
	Get the previous node, or 0 for the list head. More...

const GlobalAlias *	getPrevNode () const
	Get the previous node, or 0 for the list head. More...

GlobalAlias *	getNextNode ()
	Get the next node, or 0 for the list tail. More...

const GlobalAlias *	getNextNode () const
	Get the next node, or 0 for the list tail. More...

Static Public Member Functions
static bool	isValidLinkage (LinkageTypes L)

static bool	classof (const Value *V)

Static Public Member Functions inherited from llvm::GlobalValue
static LinkageTypes	getLinkOnceLinkage (bool ODR)

static LinkageTypes	getWeakLinkage (bool ODR)

static bool	isExternalLinkage (LinkageTypes Linkage)

static bool	isAvailableExternallyLinkage (LinkageTypes Linkage)

static bool	isLinkOnceLinkage (LinkageTypes Linkage)

static bool	isWeakLinkage (LinkageTypes Linkage)

static bool	isAppendingLinkage (LinkageTypes Linkage)

static bool	isInternalLinkage (LinkageTypes Linkage)

static bool	isPrivateLinkage (LinkageTypes Linkage)

static bool	isLinkerPrivateLinkage (LinkageTypes Linkage)

static bool	isLinkerPrivateWeakLinkage (LinkageTypes Linkage)

static bool	isLocalLinkage (LinkageTypes Linkage)

static bool	isDLLImportLinkage (LinkageTypes Linkage)

static bool	isDLLExportLinkage (LinkageTypes Linkage)

static bool	isExternalWeakLinkage (LinkageTypes Linkage)

static bool	isCommonLinkage (LinkageTypes Linkage)

static bool	isDiscardableIfUnused (LinkageTypes Linkage)

static bool	mayBeOverridden (LinkageTypes Linkage)

static bool	isWeakForLinker (LinkageTypes Linkage)

static StringRef	getRealLinkageName (StringRef Name)

static bool	classof (const Value *V)

Static Public Member Functions inherited from llvm::Constant
static bool	classof (const Value *V)

static Constant *	getNullValue (Type *Ty)

static Constant *	getAllOnesValue (Type *Ty)
	Get the all ones value. More...

static Constant *	getIntegerValue (Type *Ty, const APInt &V)

Static Public Member Functions inherited from llvm::User
static bool	classof (const Value *V)

Friends
class	SymbolTableListTraits< GlobalAlias, Module >

Additional Inherited Members
Public Types inherited from llvm::GlobalValue
enum	LinkageTypes { ExternalLinkage = 0, AvailableExternallyLinkage, LinkOnceAnyLinkage, LinkOnceODRLinkage, WeakAnyLinkage, WeakODRLinkage, AppendingLinkage, InternalLinkage, PrivateLinkage, LinkerPrivateLinkage, LinkerPrivateWeakLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, CommonLinkage }
	An enumeration for the kinds of linkage for global values. More...

enum	VisibilityTypes { DefaultVisibility = 0, HiddenVisibility, ProtectedVisibility }
	An enumeration for the kinds of visibility of global values. More...

Public Types inherited from llvm::Constant
enum	PossibleRelocationsTy { NoRelocation = 0, LocalRelocation = 1, GlobalRelocations = 2 }

Public Types inherited from llvm::User
typedef Use *	op_iterator

typedef const Use *	const_op_iterator

Public Types inherited from llvm::Value
enum	ValueTy { ArgumentVal, BasicBlockVal, FunctionVal, GlobalAliasVal, GlobalVariableVal, UndefValueVal, BlockAddressVal, ConstantExprVal, ConstantAggregateZeroVal, ConstantDataArrayVal, ConstantDataVectorVal, ConstantIntVal, ConstantFPVal, ConstantArrayVal, ConstantStructVal, ConstantVectorVal, ConstantPointerNullVal, MDNodeVal, MDStringVal, InlineAsmVal, PseudoSourceValueVal, FixedStackPseudoSourceValueVal, InstructionVal, ConstantFirstVal = FunctionVal, ConstantLastVal = ConstantPointerNullVal }

typedef value_use_iterator< User >	use_iterator

typedef value_use_iterator < const User >	const_use_iterator

Static Public Attributes inherited from llvm::Value
static const unsigned	MaximumAlignment = 1u << 29

Protected Member Functions inherited from llvm::GlobalValue
	GlobalValue (Type ty, ValueTy vty, Use Ops, unsigned NumOps, LinkageTypes linkage, const Twine &Name)

Protected Member Functions inherited from llvm::Constant
	Constant (Type ty, ValueTy vty, Use Ops, unsigned NumOps)

void	destroyConstantImpl ()

Protected Member Functions inherited from llvm::User
void *	operator new (size_t s, unsigned Us)

	User (Type ty, unsigned vty, Use OpList, unsigned NumOps)

Use *	allocHungoffUses (unsigned) const

void	dropHungoffUses ()

template<int Idx>
Use &	Op ()

template<int Idx>
const Use &	Op () const

Protected Member Functions inherited from llvm::Value
virtual void	printCustom (raw_ostream &O) const

	Value (Type *Ty, unsigned scid)

unsigned short	getSubclassDataFromValue () const

void	setValueSubclassData (unsigned short D)

Protected Member Functions inherited from llvm::ilist_node< GlobalAlias >
	ilist_node ()

Static Protected Member Functions inherited from llvm::User
template<int Idx, typename U >
static Use &	OpFrom (const U *that)

Protected Attributes inherited from llvm::GlobalValue
LinkageTypes	Linkage: 5

unsigned	Visibility: 2

unsigned	Alignment: 16

unsigned	UnnamedAddr: 1

Module *	Parent

std::string	Section

Protected Attributes inherited from llvm::User
Use *	OperandList

unsigned	NumOperands

Protected Attributes inherited from llvm::Value
unsigned char	SubclassOptionalData: 7

Detailed Description

Definition at line 29 of file GlobalAlias.h.

Constructor & Destructor Documentation

GlobalAlias::GlobalAlias	(	Type *	Ty,
		LinkageTypes	Linkage,
		const Twine &	Name = `""`,
		Constant *	Aliasee = `0`,
		Module *	Parent = `0`
	)

GlobalAlias ctor - If a parent module is specified, the alias is automatically inserted into the end of the specified module's alias list.

Definition at line 195 of file Globals.cpp.

References llvm::LeakDetector::addGarbageObject(), llvm::Module::getAliasList(), llvm::Value::getType(), and llvm::iplist< NodeTy, Traits >::push_back().

Member Function Documentation

static bool llvm::GlobalAlias::classof ( const Value * V )

inlinestatic

Definition at line 90 of file GlobalAlias.h.

References llvm::Value::getValueID(), and llvm::Value::GlobalAliasVal.

llvm::GlobalAlias::DECLARE_TRANSPARENT_OPERAND_ACCESSORS ( Constant )

Provide fast operand accessors.

void GlobalAlias::eraseFromParent ( )

virtual

eraseFromParent - This method unlinks 'this' from the containing module and deletes it.

Implements llvm::GlobalValue.

Definition at line 221 of file Globals.cpp.

References llvm::iplist< NodeTy, Traits >::erase(), llvm::Module::getAliasList(), and llvm::GlobalValue::getParent().

GlobalValue * GlobalAlias::getAliasedGlobal ( )

getAliasedGlobal() - Aliasee can be either global or bitcast of global. This method retrives the global for both aliasee flavours.

Definition at line 232 of file Globals.cpp.

References llvm::CallingConv::C, getAliasee(), llvm::ConstantExpr::getOpcode(), and llvm::User::getOperand().

Referenced by getAliasedGlobal(), and resolveAliasedGlobal().

const GlobalValue* llvm::GlobalAlias::getAliasedGlobal ( ) const

inline

Definition at line 70 of file GlobalAlias.h.

References getAliasedGlobal().

const Constant* llvm::GlobalAlias::getAliasee ( ) const

inline

Definition at line 61 of file GlobalAlias.h.

References llvm::User::getOperand().

Referenced by getAliasedGlobal(), hasUsesToReplace(), llvm::AssemblyWriter::printAlias(), and llvm::ObjectSizeOffsetVisitor::visitGlobalAlias().

Constant* llvm::GlobalAlias::getAliasee ( )

inline

Definition at line 64 of file GlobalAlias.h.

References llvm::User::getOperand().

static bool llvm::GlobalAlias::isValidLinkage ( LinkageTypes L )

inlinestatic

Definition at line 84 of file GlobalAlias.h.

References llvm::GlobalValue::isExternalLinkage(), llvm::GlobalValue::isLinkOnceLinkage(), llvm::GlobalValue::isLocalLinkage(), and llvm::GlobalValue::isWeakLinkage().

void* llvm::GlobalAlias::operator new ( size_t s )

inline

Definition at line 38 of file GlobalAlias.h.

void GlobalAlias::removeFromParent ( )

virtual

removeFromParent - This method unlinks 'this' from the containing module, but does not delete it.

Implements llvm::GlobalValue.

Definition at line 217 of file Globals.cpp.

References llvm::Module::getAliasList(), llvm::GlobalValue::getParent(), and llvm::iplist< NodeTy, Traits >::remove().

GlobalValue * GlobalAlias::resolveAliasedGlobal ( bool stopOnWeak = true )

resolveAliasedGlobal() - This method tries to ultimately resolve the alias by going through the aliasing chain and trying to find the very last global. Returns NULL if a cycle was found. If stopOnWeak is false, then the whole chain aliasing chain is traversed, otherwise - only strong aliases.

Definition at line 247 of file Globals.cpp.

References getAliasedGlobal(), llvm::SmallPtrSet< PtrType, SmallSize >::insert(), and llvm::GlobalValue::mayBeOverridden().

Referenced by resolveAliasedGlobal().

const GlobalValue* llvm::GlobalAlias::resolveAliasedGlobal ( bool stopOnWeak = true ) const