91     SmallVector<MCRegister, 4> DefRegs;
95   DenseMap<MCRegister, CopyInfo> Copies;
100   void markRegsUnavailable(ArrayRef<MCRegister> Regs,  in markRegsUnavailable()
102     for (MCRegister Reg : Regs) {  in markRegsUnavailable()
113   void invalidateRegister(MCRegister Reg, const TargetRegisterInfo &TRI) {  in invalidateRegister()
117     SmallSet<MCRegister, 8> RegsToInvalidate;  in invalidateRegister()
130     for (MCRegister InvalidReg : RegsToInvalidate)  in invalidateRegister()
136   void clobberRegister(MCRegister Reg, const TargetRegisterInfo &TRI) {  in clobberRegister()
157     MCRegister Def = MI->getOperand(0).getReg().asMCReg();  in trackCopy()
158     MCRegister Src = MI->getOperand(1).getReg().asMCReg();  in trackCopy()
178   MachineInstr *findCopyForUnit(MCRegister RegUnit,  in findCopyForUnit()
189   MachineInstr *findCopyDefViaUnit(MCRegister RegUnit,  in findCopyDefViaUnit()
200   MachineInstr *findAvailBackwardCopy(MachineInstr &I, MCRegister Reg,  in findAvailBackwardCopy()
221   MachineInstr *findAvailCopy(MachineInstr &DestCopy, MCRegister Reg,  in findAvailCopy()
278   void ReadRegister(MCRegister Reg, MachineInstr &Reader, DebugType DT);
281   bool eraseIfRedundant(MachineInstr &Copy, MCRegister Src, MCRegister Def);
313 void MachineCopyPropagation::ReadRegister(MCRegister Reg, MachineInstr &Reader,  in ReadRegister()
336 static bool isNopCopy(const MachineInstr &PreviousCopy, MCRegister Src,  in isNopCopy()
337                       MCRegister Def, const TargetRegisterInfo *TRI) {  in isNopCopy()
338   MCRegister PreviousSrc = PreviousCopy.getOperand(1).getReg().asMCReg();  in isNopCopy()
339   MCRegister PreviousDef = PreviousCopy.getOperand(0).getReg().asMCReg();  in isNopCopy()
352                                               MCRegister Src, MCRegister Def) {  in eraseIfRedundant()
585       MCRegister Def = MI->getOperand(0).getReg().asMCReg();  in ForwardCopyPropagateBlock()
586       MCRegister Src = MI->getOperand(1).getReg().asMCReg();  in ForwardCopyPropagateBlock()
617         MCRegister Reg = MO.getReg().asMCReg();  in ForwardCopyPropagateBlock()
640         MCRegister Reg = MO.getReg().asMCReg();  in ForwardCopyPropagateBlock()
654         MCRegister Reg = MO.getReg().asMCReg();  in ForwardCopyPropagateBlock()
696         MCRegister Reg = MaybeDead->getOperand(0).getReg().asMCReg();  in ForwardCopyPropagateBlock()
721     for (MCRegister Reg : Defs)  in ForwardCopyPropagateBlock()
840       MCRegister Def = MI->getOperand(0).getReg().asMCReg();  in BackwardCopyPropagateBlock()
841       MCRegister Src = MI->getOperand(1).getReg().asMCReg();  in BackwardCopyPropagateBlock()
856         MCRegister Reg = MO.getReg().asMCReg();  in BackwardCopyPropagateBlock()