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. More...
void	resolveAllUses (bool ResolveUsers=true)
	Resolve all uses of this. More...

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 two that support it (ValueAsMetadata and TempMDNode).

Definition at line 279 of file Metadata.h.

Member Typedef Documentation

OwnerTy

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

Definition at line 283 of file Metadata.h.

Constructor & Destructor Documentation

ReplaceableMetadataImpl()

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

inline

Definition at line 291 of file Metadata.h.

~ReplaceableMetadataImpl()

llvm::ReplaceableMetadataImpl::~ReplaceableMetadataImpl ( )

inline

Definition at line 293 of file Metadata.h.

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

Member Function Documentation

getContext()

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

inline

Definition at line 297 of file Metadata.h.

References Context, and llvm::Ref.

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 233 of file Metadata.cpp.

References assert(), llvm::PointerUnion< PT1, PT2 >::get(), llvm::Metadata::getMetadataID(), llvm::PointerUnion< PT1, PT2 >::is(), llvm_unreachable, llvm::Ref, llvm::sort(), and llvm::MetadataTracking::track().

Referenced by llvm::MDNode::dropAllReferences(), 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 281 of file Metadata.cpp.

References llvm::dyn_cast(), llvm::PointerUnion< PT1, PT2 >::get(), llvm::PointerUnion< PT1, PT2 >::is(), N, and llvm::sort().

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

Friends And Related Function Documentation

MetadataTracking

friend class MetadataTracking

friend

Definition at line 280 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