773 enum class AvailabilityState : char {  enum
795     DenseMap<BasicBlock *, AvailabilityState> &FullyAvailableBlocks) {  in IsValueFullyAvailableInBlock()
813     std::pair<DenseMap<BasicBlock *, AvailabilityState>::iterator, bool> IV =  in IsValueFullyAvailableInBlock()
815             CurrBB, AvailabilityState::SpeculativelyAvailable);  in IsValueFullyAvailableInBlock()
816     AvailabilityState &State = IV.first->second;  in IsValueFullyAvailableInBlock()
820       if (State == AvailabilityState::Unavailable) {  in IsValueFullyAvailableInBlock()
839       State = AvailabilityState::Unavailable;  in IsValueFullyAvailableInBlock()
860       [&](BasicBlock *BB, AvailabilityState FixpointState) {  in IsValueFullyAvailableInBlock()
864         switch (AvailabilityState &State = It->second) {  in IsValueFullyAvailableInBlock()
865         case AvailabilityState::Unavailable:  in IsValueFullyAvailableInBlock()
866         case AvailabilityState::Available:  in IsValueFullyAvailableInBlock()
868         case AvailabilityState::SpeculativelyAvailable: // Fix it!  in IsValueFullyAvailableInBlock()
889                                          AvailabilityState::Unavailable);  in IsValueFullyAvailableInBlock()
898                                        AvailabilityState::Available);  in IsValueFullyAvailableInBlock()
1468   DenseMap<BasicBlock *, AvailabilityState> FullyAvailableBlocks;  in PerformLoadPRE()
1470     FullyAvailableBlocks[AV.BB] = AvailabilityState::Available;  in PerformLoadPRE()
1472     FullyAvailableBlocks[UnavailableBB] = AvailabilityState::Unavailable;  in PerformLoadPRE()