Method getMetadataFwdRef

src/lib/Bitcode/Reader/MetadataLoader.cpp:221–236

}

Metadata *BitcodeReaderMetadataList::getMetadataFwdRef(unsigned Idx) {
  if (Idx >= size())
    resize(Idx + 1);

  if (Metadata *MD = MetadataPtrs[Idx])
    return MD;

  // Track forward refs to be resolved later.
  ForwardReference.insert(Idx);

  // Create and return a placeholder, which will later be RAUW'd.
  ++NumMDNodeTemporary;
  Metadata *MD = MDNode::getTemporary(Context, None).release();
  MetadataPtrs[Idx].reset(MD);
  return MD;
}

Metadata *BitcodeReaderMetadataList::getMetadataIfResolved(unsigned Idx) {
  Metadata *MD = lookup(Idx);