92 struct FrozenIndPHIInfo {  struct
101   FrozenIndPHIInfo(PHINode *PHI, BinaryOperator *StepInst)  in FrozenIndPHIInfo()  argument
104   bool operator==(const FrozenIndPHIInfo &Other) { return FI == Other.FI; }  in operator ==()  argument
107 template <> struct DenseMapInfo<FrozenIndPHIInfo> {
108   static inline FrozenIndPHIInfo getEmptyKey() {  in getEmptyKey()
109     return FrozenIndPHIInfo(DenseMapInfo<PHINode *>::getEmptyKey(),  in getEmptyKey()
113   static inline FrozenIndPHIInfo getTombstoneKey() {  in getTombstoneKey()
114     return FrozenIndPHIInfo(DenseMapInfo<PHINode *>::getTombstoneKey(),  in getTombstoneKey()
118   static unsigned getHashValue(const FrozenIndPHIInfo &Val) {  in getHashValue()
122   static bool isEqual(const FrozenIndPHIInfo &LHS,  in isEqual()
123                       const FrozenIndPHIInfo &RHS) {  in isEqual()
157   SmallSetVector<FrozenIndPHIInfo, 4> Candidates;  in run()
165     FrozenIndPHIInfo Info(&PHI, ID.getInductionBinOp());  in run()