872 enum class AvailabilityState : char {  enum
894     DenseMap<BasicBlock *, AvailabilityState> &FullyAvailableBlocks) {  in IsValueFullyAvailableInBlock()
912     std::pair<DenseMap<BasicBlock *, AvailabilityState>::iterator, bool> IV =  in IsValueFullyAvailableInBlock()
914             CurrBB, AvailabilityState::SpeculativelyAvailable);  in IsValueFullyAvailableInBlock()
915     AvailabilityState &State = IV.first->second;  in IsValueFullyAvailableInBlock()
919       if (State == AvailabilityState::Unavailable) {  in IsValueFullyAvailableInBlock()
938       State = AvailabilityState::Unavailable;  in IsValueFullyAvailableInBlock()
959       [&](BasicBlock *BB, AvailabilityState FixpointState) {  in IsValueFullyAvailableInBlock()
963         switch (AvailabilityState &State = It->second) {  in IsValueFullyAvailableInBlock()
964         case AvailabilityState::Unavailable:  in IsValueFullyAvailableInBlock()
965         case AvailabilityState::Available:  in IsValueFullyAvailableInBlock()
967         case AvailabilityState::SpeculativelyAvailable: // Fix it!  in IsValueFullyAvailableInBlock()
988                                          AvailabilityState::Unavailable);  in IsValueFullyAvailableInBlock()
997                                        AvailabilityState::Available);  in IsValueFullyAvailableInBlock()
1620   DenseMap<BasicBlock *, AvailabilityState> FullyAvailableBlocks;  in PerformLoadPRE()
1622     FullyAvailableBlocks[AV.BB] = AvailabilityState::Available;  in PerformLoadPRE()
1624     FullyAvailableBlocks[UnavailableBB] = AvailabilityState::Unavailable;  in PerformLoadPRE()