static void getNameWithPrefixImpl(raw_ostream &OS, const Twine &GVName, ManglerPrefixTy PrefixTy, const DataLayout &DL, char Prefix) { SmallString<256> TmpData; StringRef Name = GVName.toStringRef(TmpData); assert(!Name.empty() && "getNameWithPrefix requires non-empty name"); // No need to do anything special if the global has the special "do not // mangle" flag in the name. if (Name[0] == '\1') { OS << Name.substr(1); return; } if (DL.doNotMangleLeadingQuestionMark() && Name[0] == '?') Prefix = '\0'; if (PrefixTy == Private) OS << DL.getPrivateGlobalPrefix(); else if (PrefixTy == LinkerPrivate) OS << DL.getLinkerPrivateGlobalPrefix(); if (Prefix != '\0') OS << Prefix; // If this is a simple string that doesn't need escaping, just append it. OS << Name; }