hfinkel added inline comments. ================ Comment at: lib/CodeGen/CGDecl.cpp:1219-1224 @@ +1218,8 @@ + + std::string Name = CurFn->getName(); + Name += ": "; + Name += D.getName(); + + llvm::MDNode *Scope = + MDB.createAnonymousAliasScope(NoAliasDomain, Name); + addNoAliasScope(Scope); ---------------- majnemer wrote: > It's a shame that `createAnonymousAARoot` doesn't take a twine, it would save > a memory allocation through here. I'm not sure what you're proposing, exactly. MDBuilder::createString takes a StringRef (and, correspondingly MDString::get does). If createAnonymousAARoot took a Twine, it would need to allocate some SmallVector and then call toStringRef. Is that what you have in mind?
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