464   DenseSet<BasicBlock *> BBSet;  in IRSimilarityCandidate()
513   DenseMap<unsigned, DenseSet<unsigned>> &CurrentSrcTgtNumberMapping,  in checkNumberingAndReplaceCommutative()
515   DenseSet<unsigned> &TargetValueNumbers){  in checkNumberingAndReplaceCommutative()
517   DenseMap<unsigned, DenseSet<unsigned>>::iterator ValueMappingIt;  in checkNumberingAndReplaceCommutative()
536     DenseSet<unsigned> NewSet;  in checkNumberingAndReplaceCommutative()
589     DenseMap<unsigned, DenseSet<unsigned>> &CurrentSrcTgtNumberMapping,  in checkNumberingAndReplace()
607   DenseMap<unsigned, DenseSet<unsigned>>::iterator Val;  in checkNumberingAndReplace()
610       std::make_pair(SourceArgVal, DenseSet<unsigned>({TargetArgVal})));  in checkNumberingAndReplace()
621   DenseSet<unsigned> &TargetSet = Val->second;  in checkNumberingAndReplace()
668   DenseSet<unsigned> ValueNumbersA;        in compareCommutativeOperandMapping()
669   DenseSet<unsigned> ValueNumbersB;  in compareCommutativeOperandMapping()
708   DenseSet<BasicBlock *> BasicBlockA;  in checkRelativeLocations()
709   DenseSet<BasicBlock *> BasicBlockB;  in checkRelativeLocations()
731   DenseMap<unsigned, DenseSet<unsigned>> MappingA;  in compareStructure()
732   DenseMap<unsigned, DenseSet<unsigned>> MappingB;  in compareStructure()
743     DenseMap<unsigned, DenseSet<unsigned>> &ValueNumberMappingA,  in compareStructure()
744     DenseMap<unsigned, DenseSet<unsigned>> &ValueNumberMappingB) {  in compareStructure()
758   DenseMap<unsigned, DenseSet<unsigned>>::iterator ValueMappingIt;  in compareStructure()
785         std::make_pair(InstValA, DenseSet<unsigned>({InstValB})));  in compareStructure()
790         std::make_pair(InstValB, DenseSet<unsigned>({InstValA})));  in compareStructure()
958     DenseMap<unsigned, DenseSet<unsigned>> &ToSourceMapping,  in createCanonicalRelationFrom()
959     DenseMap<unsigned, DenseSet<unsigned>> &FromSourceMapping) {  in createCanonicalRelationFrom()
968   DenseSet<unsigned> UsedGVNs;  in createCanonicalRelationFrom()
972   for (std::pair<unsigned, DenseSet<unsigned>> &GVNMapping : ToSourceMapping) {  in createCanonicalRelationFrom()
990         DenseMap<unsigned, DenseSet<unsigned>>::iterator It =  in createCanonicalRelationFrom()
1016   DenseSet<BasicBlock *> BBSet;  in createCanonicalRelationFrom()
1103   DenseMap<unsigned, DenseSet<unsigned>> ValueNumberMappingA;  in findCandidateStructures()
1104   DenseMap<unsigned, DenseSet<unsigned>> ValueNumberMappingB;  in findCandidateStructures()