Prazek added inline comments.
================
Comment at: lib/CodeGen/CodeGenModule.cpp:3677
@@ +3676,3 @@
+llvm::Metadata *CodeGenModule::CreateMetadataIdentifierForType(QualType T) {
+ llvm::Metadata *&InternalId = MetadataIdMap[T.getCanonicalType()];
+ if (InternalId)
----------------
question: so You are storing distinct and normal mdnodes here. Is it faster to
grap normal node from this map than to just create new one using get?
http://reviews.llvm.org/D12038
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