llvm::MapMetadata

Synopses

Declared in <llvm/Transforms/Utils/ValueMapper.h>

Version of MapMetadata with type safety for MDNode.

MDNode*
MapMetadata(
    MDNode const* MD,
    ValueToValueMapTy& VM,
    RemapFlags Flags = RF_None,
    ValueMapTypeRemapper* TypeMapper = nullptr,
    ValueMaterializer* Materializer = nullptr,
    MetadataPredicate const* IdentityMD = nullptr);

» more...

Lookup or compute a mapping for a piece of metadata.

Metadata*
MapMetadata(
    Metadata const* MD,
    ValueToValueMapTy& VM,
    RemapFlags Flags = RF_None,
    ValueMapTypeRemapper* TypeMapper = nullptr,
    ValueMaterializer* Materializer = nullptr,
    MetadataPredicate const* IdentityMD = nullptr);

» more...

Return Value

The mapped metadata node.
The mapped metadata, or nullptr when mapping fails.

Parameters

Name	Description
MD	Metadata node to look up or map.
VM	Mapping from original values to remapped values.
Flags	Remapping flags that control mapper behavior.
TypeMapper	Optional callback that remaps types while mapping values.
Materializer	Optional callback that materializes unmapped values.
IdentityMD	Optional predicate for metadata that maps onto itself.