Base class for types. More...

#include "llvm/IR/DebugInfoMetadata.h"

Inheritance diagram for llvm::DIType:

[legend]

Public Member Functions
TempDIType	clone () const

unsigned	getLine () const

uint64_t	getSizeInBits () const

uint32_t	getAlignInBits () const

uint32_t	getAlignInBytes () const

uint64_t	getOffsetInBits () const

DIFlags	getFlags () const

DIScope *	getScope () const

StringRef	getName () const

Metadata *	getRawScope () const

MDString *	getRawName () const

TempDIType	cloneWithFlags (DIFlags NewFlags) const
	Returns a new temporary DIType with updated Flags.

bool	isPrivate () const

bool	isProtected () const

bool	isPublic () const

bool	isForwardDecl () const

bool	isAppleBlockExtension () const

bool	isVirtual () const

bool	isArtificial () const

bool	isObjectPointer () const

bool	isObjcClassComplete () const

bool	isVector () const

bool	isBitField () const

bool	isStaticMember () const

bool	isLValueReference () const

bool	isRValueReference () const

bool	isTypePassByValue () const

bool	isTypePassByReference () const

bool	isBigEndian () const

bool	isLittleEndian () const

bool	getExportSymbols () const

Public Member Functions inherited from llvm::DIScope
DIFile *	getFile () const

StringRef	getFilename () const

StringRef	getDirectory () const

std::optional< StringRef >	getSource () const

StringRef	getName () const

DIScope *	getScope () const

Metadata *	getRawFile () const
	Return the raw underlying file.

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::DIScope
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.

Protected Member Functions
	DIType (LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag, unsigned Line, uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags, ArrayRef< Metadata * > Ops)

	~DIType ()=default

void	init (unsigned Line, uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags)

void	mutate (unsigned Tag, unsigned Line, uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags)
	Change fields in place.

Protected Member Functions inherited from llvm::DIScope
	DIScope (LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag, ArrayRef< Metadata * > Ops)

	~DIScope ()=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.

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...

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

Base class for types.

TODO: Remove the hardcoded name and context, since many types don't use them. TODO: Split up flags.

Uses the SubclassData32 Metadata slot.

Definition at line 710 of file DebugInfoMetadata.h.

Constructor & Destructor Documentation

◆ DIType()

llvm::DIType::DIType	(	LLVMContext &	C,
		unsigned	ID,
		StorageType	Storage,
		unsigned	Tag,
		unsigned	Line,
		uint64_t	SizeInBits,
		uint32_t	AlignInBits,
		uint64_t	OffsetInBits,
		DIFlags	Flags,
		ArrayRef< Metadata * >	Ops
	)

inlineprotected

Definition at line 717 of file DebugInfoMetadata.h.

References init().

◆ ~DIType()

llvm::DIType::~DIType ( )

protecteddefault

Member Function Documentation

◆ classof()

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

inlinestatic

Definition at line 797 of file DebugInfoMetadata.h.

References llvm::Metadata::getMetadataID().

◆ clone()

TempDIType llvm::DIType::clone ( ) const

inline

Definition at line 743 of file DebugInfoMetadata.h.

References llvm::MDNode::clone(), and llvm::release.

Referenced by cloneWithFlags().

◆ cloneWithFlags()

TempDIType llvm::DIType::cloneWithFlags ( DIFlags NewFlags ) const

inline

Returns a new temporary DIType with updated Flags.

Definition at line 761 of file DebugInfoMetadata.h.

References clone().

Referenced by createTypeWithFlags().

◆ getAlignInBits()

uint32_t DIType::getAlignInBits ( ) const

Definition at line 37 of file DebugInfoMetadata.cpp.

References llvm::DINode::getTag(), and llvm::Metadata::SubclassData32.

Referenced by getAlignInBytes(), and solveDIType().

◆ getAlignInBytes()

uint32_t llvm::DIType::getAlignInBytes ( ) const

inline

Definition at line 750 of file DebugInfoMetadata.h.

References getAlignInBits().

Referenced by llvm::DwarfUnit::constructTypeDIE(), and llvm::DwarfUnit::getOrCreateStaticMemberDIE().

◆ getExportSymbols()

bool llvm::DIType::getExportSymbols ( ) const

inline

Definition at line 795 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructTypeDIE().

◆ getFlags()

DIFlags llvm::DIType::getFlags ( ) const

inline

◆ getLine()

unsigned llvm::DIType::getLine ( ) const

inline

Definition at line 747 of file DebugInfoMetadata.h.

Referenced by llvm::DwarfUnit::addSourceLine().

◆ getName()

StringRef llvm::DIType::getName ( ) const

inline

Definition at line 755 of file DebugInfoMetadata.h.

References llvm::DINode::getStringOperand().

Referenced by llvm::DwarfCompileUnit::addGlobalTypeImpl(), llvm::DwarfCompileUnit::addGlobalTypeUnitType(), buildFrameDebugInfo(), llvm::BTFTypeEnum::completeType(), llvm::BTFTypeStruct::completeType(), llvm::BTFTypeEnum64::completeType(), llvm::DwarfUnit::constructTypeDIE(), llvm::BTFDebug::endModule(), llvm::BTFTypeStruct::getName(), llvm::DwarfUnit::getOrCreateStaticMemberDIE(), llvm::DebugHandlerBase::isUnsignedDIType(), shouldAlwaysEmitCompleteClassType(), and solveDIType().

◆ getOffsetInBits()

uint64_t llvm::DIType::getOffsetInBits ( ) const

inline

Definition at line 751 of file DebugInfoMetadata.h.

◆ getRawName()

MDString * llvm::DIType::getRawName ( ) const

inline

Definition at line 758 of file DebugInfoMetadata.h.

Referenced by llvm::DwarfUnit::createTypeDIE().

◆ getRawScope()

Metadata * llvm::DIType::getRawScope ( ) const

inline

Definition at line 757 of file DebugInfoMetadata.h.

References llvm::MDNode::getOperand().

Referenced by getScope().

◆ getScope()

DIScope * llvm::DIType::getScope ( ) const

inline

Definition at line 754 of file DebugInfoMetadata.h.

References getRawScope().

Referenced by llvm::DwarfUnit::createTypeDIE(), getCommonClassOptions(), and llvm::DwarfUnit::getOrCreateStaticMemberDIE().

◆ getSizeInBits()

uint64_t llvm::DIType::getSizeInBits ( ) const

inline

Definition at line 748 of file DebugInfoMetadata.h.

Referenced by llvm::BTFTypeEnum::BTFTypeEnum(), llvm::BTFTypeEnum64::BTFTypeEnum64(), llvm::BTFTypeStruct::BTFTypeStruct(), llvm::DwarfUnit::constructTypeDIE(), llvm::DebugHandlerBase::getBaseTypeSize(), hasVectorBeenPadded(), solveDIType(), and transferSRADebugInfo().

◆ init()

void llvm::DIType::init	(	unsigned	Line,
		uint64_t	SizeInBits,
		uint32_t	AlignInBits,
		uint64_t	OffsetInBits,
		DIFlags	Flags
	)

inlineprotected

Definition at line 725 of file DebugInfoMetadata.h.

References llvm::Metadata::SubclassData32.

Referenced by DIType(), and mutate().

◆ isAppleBlockExtension()

bool llvm::DIType::isAppleBlockExtension ( ) const

inline

Definition at line 777 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructTypeDIE().

◆ isArtificial()

bool llvm::DIType::isArtificial ( ) const

inline

Definition at line 779 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructSubprogramArguments(), and llvm::DIBuilder::createArtificialType().

◆ isBigEndian()

bool llvm::DIType::isBigEndian ( ) const

inline

Definition at line 793 of file DebugInfoMetadata.h.

References getFlags().

◆ isBitField()

bool llvm::DIType::isBitField ( ) const

inline

Definition at line 785 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DIDerivedType::getStorageOffsetInBits().

◆ isForwardDecl()

bool llvm::DIType::isForwardDecl ( ) const

inline

Definition at line 776 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructTypeDIE(), llvm::DwarfUnit::createTypeDIE(), and shouldAlwaysEmitCompleteClassType().

◆ isLittleEndian()

bool llvm::DIType::isLittleEndian ( ) const

inline

Definition at line 794 of file DebugInfoMetadata.h.

References getFlags().

◆ isLValueReference()

bool llvm::DIType::isLValueReference ( ) const

inline

Definition at line 787 of file DebugInfoMetadata.h.

References getFlags().

◆ isObjcClassComplete()

bool llvm::DIType::isObjcClassComplete ( ) const

inline

Definition at line 781 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructTypeDIE().

◆ isObjectPointer()

bool llvm::DIType::isObjectPointer ( ) const

inline

Definition at line 780 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DIBuilder::createObjectPointerType().

◆ isPrivate()

bool llvm::DIType::isPrivate ( ) const

inline

Definition at line 767 of file DebugInfoMetadata.h.

References llvm::DINode::FlagAccessibility, and getFlags().

◆ isProtected()

bool llvm::DIType::isProtected ( ) const

inline

Definition at line 770 of file DebugInfoMetadata.h.

References llvm::DINode::FlagAccessibility, and getFlags().

◆ isPublic()

bool llvm::DIType::isPublic ( ) const

inline

Definition at line 773 of file DebugInfoMetadata.h.

References llvm::DINode::FlagAccessibility, and getFlags().

◆ isRValueReference()

bool llvm::DIType::isRValueReference ( ) const

inline

Definition at line 788 of file DebugInfoMetadata.h.

References getFlags().

◆ isStaticMember()

bool llvm::DIType::isStaticMember ( ) const

inline

Definition at line 786 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DIDerivedType::getConstant(), and llvm::DIDerivedType::getDiscriminantValue().

◆ isTypePassByReference()

bool llvm::DIType::isTypePassByReference ( ) const

inline

Definition at line 790 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructTypeDIE().

◆ isTypePassByValue()

bool llvm::DIType::isTypePassByValue ( ) const

inline

Definition at line 789 of file DebugInfoMetadata.h.

References getFlags().

Referenced by llvm::DwarfUnit::constructTypeDIE().

◆ isVector()

bool llvm::DIType::isVector ( ) const

inline

Definition at line 784 of file DebugInfoMetadata.h.

References getFlags().

Referenced by hasVectorBeenPadded().

◆ isVirtual()

bool llvm::DIType::isVirtual ( ) const

inline

Definition at line 778 of file DebugInfoMetadata.h.

References getFlags().

◆ mutate()

void llvm::DIType::mutate	(	unsigned	Tag,
		unsigned	Line,
		uint64_t	SizeInBits,
		uint32_t	AlignInBits,
		uint64_t	OffsetInBits,
		DIFlags	Flags
	)

inlineprotected

Change fields in place.

Definition at line 735 of file DebugInfoMetadata.h.

References assert(), init(), llvm::MDNode::isDistinct(), and llvm::DINode::setTag().

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

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

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DIType()

◆ ~DIType()

Member Function Documentation

◆ classof()

◆ clone()

◆ cloneWithFlags()

◆ getAlignInBits()

◆ getAlignInBytes()

◆ getExportSymbols()

◆ getFlags()

◆ getLine()

◆ getName()

◆ getOffsetInBits()

◆ getRawName()

◆ getRawScope()

◆ getScope()

◆ getSizeInBits()

◆ init()

◆ isAppleBlockExtension()

◆ isArtificial()

◆ isBigEndian()

◆ isBitField()

◆ isForwardDecl()

◆ isLittleEndian()

◆ isLValueReference()

◆ isObjcClassComplete()

◆ isObjectPointer()

◆ isPrivate()

◆ isProtected()

◆ isPublic()

◆ isRValueReference()

◆ isStaticMember()

◆ isTypePassByReference()

◆ isTypePassByValue()

◆ isVector()

◆ isVirtual()

◆ mutate()