96 static std::optional<DestSourcePair> isCopyInstr(const MachineInstr &MI,  in isCopyInstr()  function
100     return TII.isCopyInstr(MI);  in isCopyInstr()
143           isCopyInstr(*MI, TII, UseCopyInstr);  in invalidateRegister()
178               isCopyInstr(*MI, TII, UseCopyInstr);  in clobberRegister()
230         isCopyInstr(*MI, TII, UseCopyInstr);  in trackCopy()
288         isCopyInstr(*AvailCopy, TII, UseCopyInstr);  in findAvailBackwardCopy()
318         isCopyInstr(*AvailCopy, TII, UseCopyInstr);  in findAvailCopy()
349         isCopyInstr(*DefCopy, TII, UseCopyInstr);  in findLastSeenDefInCopy()
495       isCopyInstr(PreviousCopy, *TII, UseCopyInstr);  in isNopCopy()
522   auto PrevCopyOperands = isCopyInstr(*PrevCopy, *TII, UseCopyInstr);  in eraseIfRedundant()
534       isCopyInstr(Copy, *TII, UseCopyInstr);  in eraseIfRedundant()
558       isCopyInstr(Copy, *TII, UseCopyInstr);  in isBackwardPropagatableRegClassCopy()
577       isCopyInstr(Copy, *TII, UseCopyInstr);  in isForwardableRegClassCopy()
586   auto UseICopyOperands = isCopyInstr(UseI, *TII, UseCopyInstr);  in isForwardableRegClassCopy()
706         isCopyInstr(*Copy, *TII, UseCopyInstr);  in forwardUses()
739     if (isCopyInstr(MI, *TII, UseCopyInstr) &&  in forwardUses()
781         isCopyInstr(MI, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
815         CopyOperands = isCopyInstr(MI, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
905             isCopyInstr(*MaybeDead, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
951           isCopyInstr(*MaybeDead, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
1017         isCopyInstr(*Copy, *TII, UseCopyInstr);  in propagateDefs()
1055         isCopyInstr(MI, *TII, UseCopyInstr);  in BackwardCopyPropagateBlock()
1115         isCopyInstr(*Copy, *TII, UseCopyInstr);  in BackwardCopyPropagateBlock()
1237             isCopyInstr(*SC[0], *TII, UseCopyInstr);  in EliminateSpillageCopies()
1239             isCopyInstr(*SC.back(), *TII, UseCopyInstr);  in EliminateSpillageCopies()
1241             isCopyInstr(*RC[0], *TII, UseCopyInstr);  in EliminateSpillageCopies()
1243             isCopyInstr(*RC.back(), *TII, UseCopyInstr);  in EliminateSpillageCopies()
1268         isCopyInstr(MaybeCopy, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1283         isCopyInstr(Spill, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1285         isCopyInstr(Reload, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1297         isCopyInstr(Prev, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1299         isCopyInstr(Current, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1307         isCopyInstr(MI, *TII, UseCopyInstr);  in EliminateSpillageCopies()