229     Matcher *Optn = OptionsToMatch[OptionIdx++];  in FactorNodes()  local
232       NewOptionsToMatch.push_back(Optn);  in FactorNodes()
241     EqualMatchers.push_back(Optn);  in FactorNodes()
245     while (OptionIdx != e && OptionsToMatch[OptionIdx]->isEqual(Optn))  in FactorNodes()
261       if (Optn->isEqual(ScanMatcher)) {  in FactorNodes()
272       if (Optn->isContradictory(ScanMatcher)) {  in FactorNodes()
280       if (Optn->isSimplePredicateOrRecordNode()) {  in FactorNodes()
281         Matcher *M2 = FindNodeWithKind(ScanMatcher, Optn->getKind());  in FactorNodes()
284             (M2->isEqual(Optn) || M2->isContradictory(Optn))) {  in FactorNodes()
299       LLVM_DEBUG(errs() << "Couldn't merge this:\n"; Optn->print(errs(), 4);  in FactorNodes()
316     Matcher *Shared = Optn;  in FactorNodes()
317     Optn = Optn->takeNext();  in FactorNodes()
318     EqualMatchers[0] = Optn;  in FactorNodes()