432   SmallSetVector<MachineInstr *, 8> MaybeDeadCopies;  member in __anon32f3c4080111::MachineCopyPropagation
460         MaybeDeadCopies.remove(Copy);  in ReadRegister()
470   if (MaybeDeadCopies.empty())  in readSuccessorLiveIns()
478           MaybeDeadCopies.remove(Copy);  in readSuccessorLiveIns()
834           MaybeDeadCopies.insert(&MI);  in ForwardCopyPropagateBlock()
901                MaybeDeadCopies.begin();  in ForwardCopyPropagateBlock()
902            DI != MaybeDeadCopies.end();) {  in ForwardCopyPropagateBlock()
923         DI = MaybeDeadCopies.erase(DI);  in ForwardCopyPropagateBlock()
946     for (MachineInstr *MaybeDead : MaybeDeadCopies) {  in ForwardCopyPropagateBlock()
970   MaybeDeadCopies.clear();  in ForwardCopyPropagateBlock()
1041     MaybeDeadCopies.insert(Copy);  in propagateDefs()
1113   for (auto *Copy : MaybeDeadCopies) {  in BackwardCopyPropagateBlock()
1126   MaybeDeadCopies.clear();  in BackwardCopyPropagateBlock()
1447   MaybeDeadCopies.clear();  in EliminateSpillageCopies()