140           Optional<DestSourcePair> CopyOperands =  in invalidateRegister()  local
142           assert(CopyOperands && "Expect copy");  in invalidateRegister()
145               CopyOperands->Destination->getReg().asMCReg());  in invalidateRegister()
146           RegsToInvalidate.insert(CopyOperands->Source->getReg().asMCReg());  in invalidateRegister()
169           Optional<DestSourcePair> CopyOperands =  in clobberRegister()  local
171           markRegsUnavailable({CopyOperands->Destination->getReg().asMCReg()},  in clobberRegister()
183     Optional<DestSourcePair> CopyOperands = isCopyInstr(*MI, TII, UseCopyInstr);  in trackCopy()  local
184     assert(CopyOperands && "Tracking non-copy?");  in trackCopy()
186     MCRegister Src = CopyOperands->Source->getReg().asMCReg();  in trackCopy()
187     MCRegister Def = CopyOperands->Destination->getReg().asMCReg();  in trackCopy()
239     Optional<DestSourcePair> CopyOperands =  in findAvailBackwardCopy()  local
241     Register AvailSrc = CopyOperands->Source->getReg();  in findAvailBackwardCopy()
242     Register AvailDef = CopyOperands->Destination->getReg();  in findAvailBackwardCopy()
269     Optional<DestSourcePair> CopyOperands =  in findAvailCopy()  local
271     Register AvailSrc = CopyOperands->Source->getReg();  in findAvailCopy()
272     Register AvailDef = CopyOperands->Destination->getReg();  in findAvailCopy()
386   Optional<DestSourcePair> CopyOperands =  in isNopCopy()  local
388   MCRegister PreviousSrc = CopyOperands->Source->getReg().asMCReg();  in isNopCopy()
389   MCRegister PreviousDef = CopyOperands->Destination->getReg().asMCReg();  in isNopCopy()
425   Optional<DestSourcePair> CopyOperands = isCopyInstr(Copy, *TII, UseCopyInstr);  in eraseIfRedundant()  local
426   assert(CopyOperands);  in eraseIfRedundant()
428   Register CopyDef = CopyOperands->Destination->getReg();  in eraseIfRedundant()
443   Optional<DestSourcePair> CopyOperands = isCopyInstr(Copy, *TII, UseCopyInstr);  in isBackwardPropagatableRegClassCopy()  local
444   Register Def = CopyOperands->Destination->getReg();  in isBackwardPropagatableRegClassCopy()
462   Optional<DestSourcePair> CopyOperands = isCopyInstr(Copy, *TII, UseCopyInstr);  in isForwardableRegClassCopy()  local
463   Register CopySrcReg = CopyOperands->Source->getReg();  in isForwardableRegClassCopy()
513   Register CopyDstReg = CopyOperands->Destination->getReg();  in isForwardableRegClassCopy()
590     Optional<DestSourcePair> CopyOperands =  in forwardUses()  local
592     Register CopyDstReg = CopyOperands->Destination->getReg();  in forwardUses()
593     const MachineOperand &CopySrc = *CopyOperands->Source;  in forwardUses()
657     Optional<DestSourcePair> CopyOperands = isCopyInstr(MI, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()  local
658     if (CopyOperands) {  in ForwardCopyPropagateBlock()
660       Register RegSrc = CopyOperands->Source->getReg();  in ForwardCopyPropagateBlock()
661       Register RegDef = CopyOperands->Destination->getReg();  in ForwardCopyPropagateBlock()
691         CopyOperands = isCopyInstr(MI, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
692         Src = CopyOperands->Source->getReg().asMCReg();  in ForwardCopyPropagateBlock()
780         Optional<DestSourcePair> CopyOperands =  in ForwardCopyPropagateBlock()  local
782         MCRegister Reg = CopyOperands->Destination->getReg().asMCReg();  in ForwardCopyPropagateBlock()
819       Optional<DestSourcePair> CopyOperands =  in ForwardCopyPropagateBlock()  local
821       assert(CopyOperands);  in ForwardCopyPropagateBlock()
823       Register SrcReg = CopyOperands->Source->getReg();  in ForwardCopyPropagateBlock()
824       Register DestReg = CopyOperands->Destination->getReg();  in ForwardCopyPropagateBlock()
848   Optional<DestSourcePair> CopyOperands = isCopyInstr(MI, TII, UseCopyInstr);  in isBackwardPropagatableCopy()  local
849   assert(CopyOperands && "MI is expected to be a COPY");  in isBackwardPropagatableCopy()
851   Register Def = CopyOperands->Destination->getReg();  in isBackwardPropagatableCopy()
852   Register Src = CopyOperands->Source->getReg();  in isBackwardPropagatableCopy()
860   return CopyOperands->Source->isRenamable() && CopyOperands->Source->isKill();  in isBackwardPropagatableCopy()
890     Optional<DestSourcePair> CopyOperands =  in propagateDefs()  local
892     Register Def = CopyOperands->Destination->getReg();  in propagateDefs()
893     Register Src = CopyOperands->Source->getReg();  in propagateDefs()
912     MODef.setIsRenamable(CopyOperands->Destination->isRenamable());  in propagateDefs()
928     Optional<DestSourcePair> CopyOperands = isCopyInstr(MI, *TII, UseCopyInstr);  in BackwardCopyPropagateBlock()  local
929     if (CopyOperands && MI.getNumOperands() == 2) {  in BackwardCopyPropagateBlock()
930       Register DefReg = CopyOperands->Destination->getReg();  in BackwardCopyPropagateBlock()
931       Register SrcReg = CopyOperands->Source->getReg();  in BackwardCopyPropagateBlock()
990     Optional<DestSourcePair> CopyOperands =  in BackwardCopyPropagateBlock()  local
992     Register Src = CopyOperands->Source->getReg();  in BackwardCopyPropagateBlock()
993     Register Def = CopyOperands->Destination->getReg();  in BackwardCopyPropagateBlock()