517   DenseMap<unsigned, DenseSet<unsigned>>::iterator ValueMappingIt;  in checkNumberingAndReplaceCommutative()  local
530     std::tie(ValueMappingIt, WasInserted) = CurrentSrcTgtNumberMapping.insert(  in checkNumberingAndReplaceCommutative()
537     for (unsigned &Curr : ValueMappingIt->second)  in checkNumberingAndReplaceCommutative()
547     if (NewSet.size() != ValueMappingIt->second.size())  in checkNumberingAndReplaceCommutative()
548       ValueMappingIt->second.swap(NewSet);  in checkNumberingAndReplaceCommutative()
552     if (ValueMappingIt->second.size() != 1)  in checkNumberingAndReplaceCommutative()
555     unsigned ValToRemove = *ValueMappingIt->second.begin();  in checkNumberingAndReplaceCommutative()
564       ValueMappingIt = CurrentSrcTgtNumberMapping.find(InnerVal);  in checkNumberingAndReplaceCommutative()
565       if (ValueMappingIt == CurrentSrcTgtNumberMapping.end())  in checkNumberingAndReplaceCommutative()
568       ValueMappingIt->second.erase(ValToRemove);  in checkNumberingAndReplaceCommutative()
569       if (ValueMappingIt->second.empty())  in checkNumberingAndReplaceCommutative()
758   DenseMap<unsigned, DenseSet<unsigned>>::iterator ValueMappingIt;  in compareStructure()  local
784     std::tie(ValueMappingIt, WasInserted) = ValueNumberMappingA.insert(  in compareStructure()
786     if (!WasInserted && !ValueMappingIt->second.contains(InstValB))  in compareStructure()
789     std::tie(ValueMappingIt, WasInserted) = ValueNumberMappingB.insert(  in compareStructure()
791     if (!WasInserted && !ValueMappingIt->second.contains(InstValA))  in compareStructure()