llvm::ReplaceableMetadataImpl Class Reference

Shared implementation of use-lists for replaceable metadata. More...

#include "llvm/IR/Metadata.h"

Inheritance diagram for llvm::ReplaceableMetadataImpl:

Public Types
using	OwnerTy = MetadataTracking::OwnerTy

Public Member Functions
	ReplaceableMetadataImpl (LLVMContext &Context)
	~ReplaceableMetadataImpl ()
LLVMContext &	getContext () const
void	replaceAllUsesWith (Metadata *MD)
	Replace all uses of this with MD.
SmallVector< Metadata * >	getAllArgListUsers ()
	Returns the list of all DIArgList users of this.
SmallVector< DbgVariableRecord * >	getAllDbgVariableRecordUsers ()
	Returns the list of all DbgVariableRecord users of this.
void	resolveAllUses (bool ResolveUsers=true)
	Resolve all uses of this.
unsigned	getNumUses () const

Static Public Member Functions
static void	SalvageDebugInfo (const Constant &C)
	Replace all uses of the constant with Undef in debug info metadata.

Friends
class	MetadataTracking

Detailed Description

Shared implementation of use-lists for replaceable metadata.

Most metadata cannot be RAUW'ed. This is a shared implementation of use-lists and associated API for the three that support it ( ValueAsMetadata, TempMDNode, and DIArgList).

Definition at line 382 of file Metadata.h.

Member Typedef Documentation

OwnerTy

using llvm::ReplaceableMetadataImpl::OwnerTy = MetadataTracking::OwnerTy

Definition at line 386 of file Metadata.h.

Constructor & Destructor Documentation

ReplaceableMetadataImpl()

llvm::ReplaceableMetadataImpl::ReplaceableMetadataImpl ( LLVMContext &  Context )

inline

Definition at line 394 of file Metadata.h.

~ReplaceableMetadataImpl()

llvm::ReplaceableMetadataImpl::~ReplaceableMetadataImpl ( )

inline

Definition at line 396 of file Metadata.h.

References assert(), and llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::empty().

Member Function Documentation

getAllArgListUsers()

SmallVector< Metadata * > ReplaceableMetadataImpl::getAllArgListUsers

(

)

Returns the list of all DIArgList users of this.

Definition at line 250 of file Metadata.cpp.

References llvm::Metadata::getMetadataID(), llvm::PointerUnion< PTs >::isNull(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::sort().

Referenced by llvm::ValueAsMetadata::getAllArgListUsers().

getAllDbgVariableRecordUsers()

SmallVector< DbgVariableRecord * > ReplaceableMetadataImpl::getAllDbgVariableRecordUsers

(

)

Returns the list of all DbgVariableRecord users of this.

Definition at line 272 of file Metadata.cpp.

References llvm::DebugValueUser::getUser(), llvm::PointerUnion< PTs >::is(), llvm::PointerUnion< PTs >::isNull(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::sort().

Referenced by llvm::DIArgList::getAllDbgVariableRecordUsers(), and llvm::ValueAsMetadata::getAllDbgVariableRecordUsers().

getContext()

LLVMContext & llvm::ReplaceableMetadataImpl::getContext ( ) const

inline

Definition at line 400 of file Metadata.h.

Referenced by llvm::ContextAndReplaceableUses::getContext(), and llvm::DIArgList::handleChangedOperand().

getNumUses()

unsigned llvm::ReplaceableMetadataImpl::getNumUses ( ) const

inline

Definition at line 420 of file Metadata.h.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::size().

replaceAllUsesWith()

void ReplaceableMetadataImpl::replaceAllUsesWith

(

Metadata *

MD

)

Replace all uses of this with MD.

Replace all uses of this with MD, which is allowed to be null.

Definition at line 367 of file Metadata.cpp.

References assert(), llvm::PointerUnion< PTs >::get(), llvm::Metadata::getMetadataID(), llvm::PointerUnion< PTs >::is(), llvm_unreachable, llvm::Ref, llvm::sort(), llvm::MetadataTracking::track(), and Uses.

Referenced by llvm::DIArgList::handleChangedOperand(), and llvm::ValueAsMetadata::replaceAllUsesWith().

resolveAllUses()

void ReplaceableMetadataImpl::resolveAllUses

(

bool

ResolveUsers = true

)

Resolve all uses of this.

Resolve all uses of this, turning off RAUW permanently. If ResolveUsers, call MDNode::resolve() on any users whose last operand is resolved.

Definition at line 420 of file Metadata.cpp.

References llvm::sort(), and Uses.

SalvageDebugInfo()

void ReplaceableMetadataImpl::SalvageDebugInfo ( const Constant &  C )

static

Replace all uses of the constant with Undef in debug info metadata.

Definition at line 331 of file Metadata.cpp.

References llvm::CallingConv::C, llvm::UndefValue::get(), llvm::ValueAsMetadata::get(), I, llvm::LLVMContext::pImpl, Uses, and llvm::LLVMContextImpl::ValuesAsMetadata.

Referenced by constantIsDead(), and deleteIfDead().

Friends And Related Function Documentation

MetadataTracking

friend class MetadataTracking

friend

Definition at line 383 of file Metadata.h.

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

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