Local variable. More...

#include "llvm/IR/DebugInfoMetadata.h"

Inheritance diagram for llvm::DILocalVariable:

[legend]

Public Member Functions
	DEFINE_MDNODE_GET (DILocalVariable,(DILocalScope Scope, StringRef Name, DIFile File, unsigned Line, DIType *Type, unsigned Arg, DIFlags Flags, uint32_t AlignInBits, DINodeArray Annotations),(Scope, Name, File, Line, Type, Arg, Flags, AlignInBits, Annotations)) DEFINE_MDNODE_GET(DILocalVariable

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata Annotations TempDILocalVariable	clone () const

DILocalScope *	getScope () const
	Get the local scope for this variable.

bool	isParameter () const

unsigned	getArg () const

DIFlags	getFlags () const

DINodeArray	getAnnotations () const

Metadata *	getRawAnnotations () const

bool	isArtificial () const

bool	isObjectPointer () const

bool	isValidLocationForIntrinsic (const DILocation *DL) const
	Check that a location is valid for this variable.

Public Member Functions inherited from llvm::DIVariable
unsigned	getLine () const

DIScope *	getScope () const

StringRef	getName () const

DIFile *	getFile () const

DIType *	getType () const

uint32_t	getAlignInBits () const

uint32_t	getAlignInBytes () const

std::optional< uint64_t >	getSizeInBits () const
	Determines the size of the variable's type.

std::optional< DIBasicType::Signedness >	getSignedness () const
	Return the signedness of this variable's type, or std::nullopt if this type is neither signed nor unsigned.

StringRef	getFilename () const

StringRef	getDirectory () const

std::optional< StringRef >	getSource () const

Metadata *	getRawScope () const

MDString *	getRawName () const

Metadata *	getRawFile () const

Metadata *	getRawType () const

Public Member Functions inherited from llvm::DINode
dwarf::Tag	getTag () const

Public Member Functions inherited from llvm::MDNode
	MDNode (const MDNode &)=delete

void	operator= (const MDNode &)=delete

void *	operator new (size_t)=delete

TempMDNode	clone () const
	Create a (temporary) clone of this.

LLVMContext &	getContext () const

void	replaceOperandWith (unsigned I, Metadata *New)
	Replace a specific operand.

bool	isResolved () const
	Check if node is fully resolved.

bool	isUniqued () const

bool	isDistinct () const

bool	isTemporary () const

bool	isReplaceable () const

bool	isAlwaysReplaceable () const

unsigned	getNumTemporaryUses () const

void	replaceAllUsesWith (Metadata *MD)
	RAUW a temporary.

void	resolveCycles ()
	Resolve cycles.

void	resolve ()
	Resolve a unique, unresolved node.

op_iterator	op_begin () const

op_iterator	op_end () const

ArrayRef< MDOperand >	operands () const

const MDOperand &	getOperand (unsigned I) const

unsigned	getNumOperands () const
	Return number of MDNode operands.

bool	isTBAAVtableAccess () const
	Check whether MDNode is a vtable access.

void	printTree (raw_ostream &OS, const Module *M=nullptr) const
	Print in tree shape.

void	printTree (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr) const

void	dumpTree () const
	User-friendly dump in tree shape.

void	dumpTree (const Module *M) const

Public Member Functions inherited from llvm::Metadata
unsigned	getMetadataID () const

void	dump () const
	User-friendly dump.

void	dump (const Module *M) const

void	print (raw_ostream &OS, const Module *M=nullptr, bool IsForDebug=false) const
	Print.

void	print (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr, bool IsForDebug=false) const

void	printAsOperand (raw_ostream &OS, const Module *M=nullptr) const
	Print as operand.

void	printAsOperand (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr) const

Static Public Member Functions
static bool	classof (const Metadata *MD)

Static Public Member Functions inherited from llvm::DIVariable
static bool	classof (const Metadata *MD)

Static Public Member Functions inherited from llvm::DINode
static DIFlags	getFlag (StringRef Flag)

static StringRef	getFlagString (DIFlags Flag)

static DIFlags	splitFlags (DIFlags Flags, SmallVectorImpl< DIFlags > &SplitFlags)
	Split up a flags bitfield.

static bool	classof (const Metadata *MD)

Static Public Member Functions inherited from llvm::MDNode
static MDTuple *	get (LLVMContext &Context, ArrayRef< Metadata * > MDs)

static MDTuple *	getIfExists (LLVMContext &Context, ArrayRef< Metadata * > MDs)

static MDTuple *	getDistinct (LLVMContext &Context, ArrayRef< Metadata * > MDs)

static TempMDTuple	getTemporary (LLVMContext &Context, ArrayRef< Metadata * > MDs)

static void	deleteTemporary (MDNode *N)
	Deallocate a node created by getTemporary.

template<class T >
static std::enable_if_t< std::is_base_of< MDNode, T >::value, T * >	replaceWithPermanent (std::unique_ptr< T, TempMDNodeDeleter > N)
	Replace a temporary node with a permanent one.

template<class T >
static std::enable_if_t< std::is_base_of< MDNode, T >::value, T * >	replaceWithUniqued (std::unique_ptr< T, TempMDNodeDeleter > N)
	Replace a temporary node with a uniqued one.

template<class T >
static std::enable_if_t< std::is_base_of< MDNode, T >::value, T * >	replaceWithDistinct (std::unique_ptr< T, TempMDNodeDeleter > N)
	Replace a temporary node with a distinct one.

static bool	classof (const Metadata *MD)
	Methods for support type inquiry through isa, cast, and dyn_cast:

static MDNode *	concatenate (MDNode A, MDNode B)
	Methods for metadata merging.

static MDNode *	intersect (MDNode A, MDNode B)

static MDNode *	getMostGenericTBAA (MDNode A, MDNode B)

static MDNode *	getMostGenericFPMath (MDNode A, MDNode B)

static MDNode *	getMostGenericRange (MDNode A, MDNode B)

static MDNode *	getMostGenericAliasScope (MDNode A, MDNode B)

static MDNode *	getMostGenericAlignmentOrDereferenceable (MDNode A, MDNode B)

static MDNode *	getMergedProfMetadata (MDNode A, MDNode B, const Instruction AInstr, const Instruction BInstr)
	Merge !prof metadata from two instructions.

Public Attributes
Metadata *	Scope

Metadata MDString *	Name

Metadata MDString Metadata *	File

Metadata MDString Metadata unsigned	Line

Metadata MDString Metadata unsigned Metadata *	Type

Metadata MDString Metadata unsigned Metadata unsigned	Arg

Metadata MDString Metadata unsigned Metadata unsigned DIFlags	Flags

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t	AlignInBits

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata *	Annotations

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	Scope

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	Name

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	File

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	Line

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	Type

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	Arg

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	Flags

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata	AlignInBits

Friends
class	LLVMContextImpl

class	MDNode

Additional Inherited Members
Public Types inherited from llvm::DINode
enum	DIFlags : uint32_t { FlagAccessibility = FlagPrivate \| FlagProtected \| FlagPublic , FlagPtrToMemberRep }
	Debug info flags. More...

Public Types inherited from llvm::MDNode
using	op_iterator = const MDOperand *

using	op_range = iterator_range< op_iterator >

Public Types inherited from llvm::Metadata
enum	MetadataKind

Protected Types inherited from llvm::MDNode
using	mutable_op_range = iterator_range< MDOperand * >

Protected Types inherited from llvm::Metadata
enum	StorageType { Uniqued , Distinct , Temporary }
	Active type of storage. More...

Protected Member Functions inherited from llvm::DIVariable
	DIVariable (LLVMContext &C, unsigned ID, StorageType Storage, signed Line, ArrayRef< Metadata * > Ops, uint32_t AlignInBits=0)

	~DIVariable ()=default

Protected Member Functions inherited from llvm::DINode
	DINode (LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag, ArrayRef< Metadata * > Ops1, ArrayRef< Metadata * > Ops2=std::nullopt)

	~DINode ()=default

template<class Ty >
Ty *	getOperandAs (unsigned I) const

StringRef	getStringOperand (unsigned I) const

void	setTag (unsigned Tag)
	Allow subclasses to mutate the tag.

Protected Member Functions inherited from llvm::MDNode
	MDNode (LLVMContext &Context, unsigned ID, StorageType Storage, ArrayRef< Metadata * > Ops1, ArrayRef< Metadata * > Ops2=std::nullopt)

	~MDNode ()=default

void *	operator new (size_t Size, size_t NumOps, StorageType Storage)

void	operator delete (void *Mem)

void	operator delete (void *, unsigned)
	Required by std, but never called.

void	operator delete (void *, unsigned, bool)
	Required by std, but never called.

void	dropAllReferences ()

MDOperand *	mutable_begin ()

MDOperand *	mutable_end ()

mutable_op_range	mutable_operands ()

void	setOperand (unsigned I, Metadata *New)
	Set an operand.

unsigned	getNumUnresolved () const

void	setNumUnresolved (unsigned N)

void	storeDistinctInContext ()

void	resize (size_t NumOps)
	Resize the node to hold NumOps operands.

Protected Member Functions inherited from llvm::Metadata
	Metadata (unsigned ID, StorageType Storage)

	~Metadata ()=default

void	handleChangedOperand (void , Metadata )
	Default handling of a changed operand, which asserts.

Static Protected Member Functions inherited from llvm::DINode
static MDString *	getCanonicalMDString (LLVMContext &Context, StringRef S)

Static Protected Member Functions inherited from llvm::MDNode
template<class T , class StoreT >
static T *	storeImpl (T *N, StorageType Storage, StoreT &Store)

template<class T >
static T *	storeImpl (T *N, StorageType Storage)

Protected Attributes inherited from llvm::Metadata
unsigned char	Storage: 7
	Storage flag for non-uniqued, otherwise unowned, metadata.

unsigned char	SubclassData1: 1

unsigned short	SubclassData16 = 0

unsigned	SubclassData32 = 0

Detailed Description

Local variable.

TODO: Split up flags.

Definition at line 3423 of file DebugInfoMetadata.h.

Member Function Documentation

◆ classof()

static bool llvm::DILocalVariable::classof ( const Metadata * MD )

inlinestatic

Definition at line 3506 of file DebugInfoMetadata.h.

References llvm::Metadata::getMetadataID().

◆ clone()

Metadata MDString Metadata unsigned Metadata unsigned DIFlags uint32_t Metadata Annotations TempDILocalVariable llvm::DILocalVariable::clone ( ) const

inline

Definition at line 3476 of file DebugInfoMetadata.h.

◆ DEFINE_MDNODE_GET()

llvm::DILocalVariable::DEFINE_MDNODE_GET	(	DILocalVariable	,
		(DILocalScope Scope, StringRef Name, DIFile File, unsigned Line, DIType *Type, unsigned Arg, DIFlags Flags, uint32_t AlignInBits, DINodeArray Annotations)	,
		(Scope, Name, File, Line, Type, Arg, Flags, AlignInBits, Annotations)
	)

◆ getAnnotations()

DINodeArray llvm::DILocalVariable::getAnnotations ( ) const

inline

Definition at line 3489 of file DebugInfoMetadata.h.

References getRawAnnotations().

◆ getArg()

unsigned llvm::DILocalVariable::getArg ( ) const

inline

Definition at line 3486 of file DebugInfoMetadata.h.

Referenced by llvm::DwarfFile::addScopeVariable().

◆ getFlags()

DIFlags llvm::DILocalVariable::getFlags ( ) const

inline

Definition at line 3487 of file DebugInfoMetadata.h.

Referenced by isArtificial(), and isObjectPointer().

◆ getRawAnnotations()

Metadata * llvm::DILocalVariable::getRawAnnotations ( ) const

inline

Definition at line 3492 of file DebugInfoMetadata.h.

References llvm::MDNode::getOperand().

Referenced by getAnnotations().

◆ getScope()

DILocalScope * llvm::DILocalVariable::getScope ( ) const

inline

Get the local scope for this variable.

Variables must be defined in a local scope.

Definition at line 3481 of file DebugInfoMetadata.h.

References llvm::DIVariable::getScope().

Referenced by llvm::DebugHandlerBase::beginFunction(), TransferTracker::emitMOLoc(), isValidLocationForIntrinsic(), and llvm::DebugInfoFinder::processVariable().

◆ isArtificial()

bool llvm::DILocalVariable::isArtificial ( ) const

inline

Definition at line 3494 of file DebugInfoMetadata.h.

References getFlags().

◆ isObjectPointer()

bool llvm::DILocalVariable::isObjectPointer ( ) const

inline

Definition at line 3495 of file DebugInfoMetadata.h.

References getFlags().

◆ isParameter()

bool llvm::DILocalVariable::isParameter ( ) const

inline

Definition at line 3485 of file DebugInfoMetadata.h.

Referenced by llvm::DebugHandlerBase::beginFunction(), llvm::SelectionDAGBuilder::handleDebugDeclare(), llvm::SelectionDAGBuilder::handleDebugValue(), and TransferTracker::isEntryValueVariable().

◆ isValidLocationForIntrinsic()

bool llvm::DILocalVariable::isValidLocationForIntrinsic ( const DILocation * DL ) const

inline

Check that a location is valid for this variable.

Check that DL exists, is in the same subprogram, and has the same inlined-at location as this. (Otherwise, it's not a valid attachment to a DbgInfoIntrinsic.)

Definition at line 3502 of file DebugInfoMetadata.h.

References DL, getScope(), and llvm::DILocalScope::getSubprogram().

Referenced by llvm::calculateDbgEntityHistory(), llvm::FastISel::lowerDbgDeclare(), llvm::SelectionDAGBuilder::resolveDanglingDebugInfo(), and llvm::FastISel::selectIntrinsicCall().