Tuple of metadata. More...

#include "llvm/IR/Metadata.h"

Inheritance diagram for llvm::MDTuple:

Public Member Functions
unsigned	getHash () const
	Get the hash, if any.

TempMDTuple	clone () const
	Return a (temporary) clone of this.

void	push_back (Metadata *MD)
	Append an element to the tuple. This will resize the node.

void	pop_back ()
	Shrink the operands by 1.

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

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

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

static MDTuple *	getDistinct (LLVMContext &Context, ArrayRef< Metadata * > MDs)
	Return a distinct node.

static TempMDTuple	getTemporary (LLVMContext &Context, ArrayRef< Metadata * > MDs)
	Return a temporary node.

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.

Friends
class	LLVMContextImpl

class	MDNode

Additional Inherited Members
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::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::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

Tuple of metadata.

This is the simple MDNode arbitrary tuple. Nodes are uniqued by default based on their operands.

Definition at line 1345 of file Metadata.h.

Member Function Documentation

◆ classof()

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

inlinestatic

Definition at line 1411 of file Metadata.h.

References llvm::Metadata::getMetadataID().

◆ clone()

TempMDTuple llvm::MDTuple::clone ( ) const

inline

Return a (temporary) clone of this.

Definition at line 1399 of file Metadata.h.

◆ get()

static MDTuple * llvm::MDTuple::get	(	LLVMContext &	Context,
		ArrayRef< Metadata * >	MDs
	)

inlinestatic

Definition at line 1373 of file Metadata.h.

References Context, getImpl(), and llvm::Metadata::Uniqued.

Referenced by llvm::Instruction::addAnnotationMetadata(), llvm::GlobalObject::addTypeMetadata(), annotateFunctionWithHashMismatch(), buildFrameDebugInfo(), llvm::DIBuilder::finalize(), llvm::MDNode::get(), getKeyFPValMD(), getKeyValMD(), llvm::ProfileSummary::getMD(), llvm::DIBuilder::getOrCreateArray(), llvm::DIBuilder::getOrCreateMacroArray(), stripDeadDebugInfoImpl(), llvm::upgradeInstructionLoopAttachment(), and upgradeLoopArgument().

◆ getDistinct()

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

inlinestatic

Return a distinct node.

Return a distinct node – i.e., a node that is not uniqued.

Definition at line 1384 of file Metadata.h.

References Context, llvm::Metadata::Distinct, and getImpl().

Referenced by addModuleFlags(), and llvm::MDNode::getDistinct().

◆ getHash()

unsigned llvm::MDTuple::getHash ( ) const

inline

Get the hash, if any.

Definition at line 1371 of file Metadata.h.

References llvm::Metadata::SubclassData32.

◆ getIfExists()

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

inlinestatic

Definition at line 1377 of file Metadata.h.

References Context, getImpl(), and llvm::Metadata::Uniqued.

Referenced by llvm::MDNode::getIfExists().

◆ getTemporary()

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

inlinestatic

Return a temporary node.

For use in constructing cyclic MDNode structures. A temporary MDNode is not uniqued, may be RAUW'd, and must be manually deleted with deleteTemporary.

Definition at line 1393 of file Metadata.h.

References Context, getImpl(), and llvm::Metadata::Temporary.

Referenced by llvm::DIBuilder::createFunction(), llvm::MDNode::getTemporary(), and LLVMTemporaryMDNode().

◆ pop_back()

void llvm::MDTuple::pop_back ( )

inline

Shrink the operands by 1.

Definition at line 1409 of file Metadata.h.

References llvm::MDNode::getNumOperands(), and llvm::MDNode::resize().

◆ push_back()

void llvm::MDTuple::push_back ( Metadata * MD )

inline

Append an element to the tuple. This will resize the node.

Definition at line 1402 of file Metadata.h.

References llvm::MDNode::getNumOperands(), llvm::MDNode::resize(), and llvm::MDNode::setOperand().

Friends And Related Function Documentation

◆ LLVMContextImpl

friend class LLVMContextImpl

friend

Definition at line 1346 of file Metadata.h.

◆ MDNode

friend class MDNode

friend

Definition at line 1347 of file Metadata.h.

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

include/llvm/IR/Metadata.h
lib/IR/Metadata.cpp

Public Member Functions

Static Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ classof()

◆ clone()

◆ get()

◆ getDistinct()

◆ getHash()

◆ getIfExists()

◆ getTemporary()

◆ pop_back()

◆ push_back()

Friends And Related Function Documentation

◆ LLVMContextImpl

◆ MDNode