- if (HasLinkage || Lex.getKind() != lltok::kw_alias)
- return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility);
- return ParseAlias(Name, NameLoc, Visibility);
+ if (ParseToken(lltok::kw_comdat, "expected comdat keyword"))
+ return TokError("expected comdat type");
+
+ Comdat::SelectionKind SK;
+ switch (Lex.getKind()) {
+ default:
+ return TokError("unknown selection kind");
+ case lltok::kw_any:
+ SK = Comdat::Any;
+ break;
+ case lltok::kw_exactmatch:
+ SK = Comdat::ExactMatch;
+ break;
+ case lltok::kw_largest:
+ SK = Comdat::Largest;
+ break;
+ case lltok::kw_noduplicates:
+ SK = Comdat::NoDuplicates;
+ break;
+ case lltok::kw_samesize:
+ SK = Comdat::SameSize;
+ break;
+ }
+ Lex.Lex();
+
+ // See if the comdat was forward referenced, if so, use the comdat.
+ Module::ComdatSymTabType &ComdatSymTab = M->getComdatSymbolTable();
+ Module::ComdatSymTabType::iterator I = ComdatSymTab.find(Name);
+ if (I != ComdatSymTab.end() && !ForwardRefComdats.erase(Name))
+ return Error(NameLoc, "redefinition of comdat '$" + Name + "'");
+
+ Comdat *C;
+ if (I != ComdatSymTab.end())
+ C = &I->second;
+ else
+ C = M->getOrInsertComdat(Name);
+ C->setSelectionKind(SK);
+
+ return false;