lib/Linker/IRMover.cpp

418   DenseMap<const Metadata *, unsigned> MetadataToIDs;
529     // flag on all temporary metadata in the MetadataToIDs map to ensure
534       for (auto MDI : MetadataToIDs) {
662   if (MetadataToIDs.count(MD)) {
663     unsigned Idx = MetadataToIDs[MD];
689   if (MetadataToIDs.count(OrigMD)) {
690     unsigned Idx = MetadataToIDs[OrigMD];
1141     SrcM.getMaterializer()->saveMetadataList(MetadataToIDs,
1253   for (auto MDI : MetadataToIDs) {
1557       SrcM.getMaterializer()->saveMetadataList(MetadataToIDs,
1567       // Walk the MetadataToIDs once to find the set of new (imported) MD
1570       for (auto MDI : MetadataToIDs) {