LLVM  7.0.0svn
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llvm::ReplaceableMetadataImpl Class Reference

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

#include "llvm/IR/Metadata.h"

Inheritance diagram for llvm::ReplaceableMetadataImpl:
Inheritance graph

Public Types

using OwnerTy = MetadataTracking::OwnerTy

Public Member Functions

 ReplaceableMetadataImpl (LLVMContext &Context)
 ~ReplaceableMetadataImpl ()
LLVMContextgetContext () const
void replaceAllUsesWith (Metadata *MD)
 Replace all uses of this with MD. More...
void resolveAllUses (bool ResolveUsers=true)
 Resolve all uses of this. More...


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 277 of file Metadata.h.

Member Typedef Documentation

◆ OwnerTy

Definition at line 281 of file Metadata.h.

Constructor & Destructor Documentation

◆ ReplaceableMetadataImpl()

llvm::ReplaceableMetadataImpl::ReplaceableMetadataImpl ( LLVMContext Context)

Definition at line 289 of file Metadata.h.

◆ ~ReplaceableMetadataImpl()

llvm::ReplaceableMetadataImpl::~ReplaceableMetadataImpl ( )

Member Function Documentation

◆ getContext()

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

Definition at line 295 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

Definition at line 278 of file Metadata.h.

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