267     MachineInstr *AvailCopy = findCopyDefViaUnit(RU, TRI);  in trackSrcUsers()  local
268     if (!AvailCopy)  in trackSrcUsers()
272         isCopyInstr(*AvailCopy, TII, UseCopyInstr);  in trackSrcUsers()
352     MachineInstr *AvailCopy = findCopyDefViaUnit(RU, TRI);  in findAvailBackwardCopy()  local
354     if (!AvailCopy)  in findAvailBackwardCopy()
358         isCopyInstr(*AvailCopy, TII, UseCopyInstr);  in findAvailBackwardCopy()
365          make_range(AvailCopy->getReverseIterator(), I.getReverseIterator()))  in findAvailBackwardCopy()
372     return AvailCopy;  in findAvailBackwardCopy()
381     MachineInstr *AvailCopy =  in findAvailCopy()  local
384     if (!AvailCopy)  in findAvailCopy()
388         isCopyInstr(*AvailCopy, TII, UseCopyInstr);  in findAvailCopy()
397          make_range(AvailCopy->getIterator(), DestCopy.getIterator()))  in findAvailCopy()
403     return AvailCopy;  in findAvailCopy()