174                                  StringRef &MArch, StringRef &Exts) {  in getExtensionFeatures()  argument
175   if (Exts.empty())  in getExtensionFeatures()
181   Exts.split(Split, StringRef("_"));  in getExtensionFeatures()
327   StringRef Exts = MArch.substr(5);  in getArchFeatures()  local
334   size_t Pos = Exts.find_first_of("zsx");  in getArchFeatures()
336     OtherExts = Exts.substr(Pos);  in getArchFeatures()
337     Exts = Exts.substr(0, Pos);  in getArchFeatures()
341   if (!getExtensionVersion(D, Args, MArch, std::string(1, Baseline), Exts,  in getArchFeatures()
347   Exts = Exts.drop_front(Major.size());  in getArchFeatures()
349     Exts = Exts.drop_front(Minor.size() + 1 /*'p'*/);  in getArchFeatures()
350   Exts.consume_front("_");  in getArchFeatures()
357   for (auto I = Exts.begin(), E = Exts.end(); I != E; ) {  in getArchFeatures()