107     SmallVector<MCRegister, 4> DefRegs;
111   DenseMap<MCRegister, CopyInfo> Copies;
116   void markRegsUnavailable(ArrayRef<MCRegister> Regs,  in markRegsUnavailable()
118     for (MCRegister Reg : Regs) {  in markRegsUnavailable()
129   void invalidateRegister(MCRegister Reg, const TargetRegisterInfo &TRI,  in invalidateRegister()
134     SmallSet<MCRegister, 8> RegsToInvalidate;  in invalidateRegister()
152     for (MCRegister InvalidReg : RegsToInvalidate)  in invalidateRegister()
158   void clobberRegister(MCRegister Reg, const TargetRegisterInfo &TRI,  in clobberRegister()
186     MCRegister Src = CopyOperands->Source->getReg().asMCReg();  in trackCopy()
187     MCRegister Def = CopyOperands->Destination->getReg().asMCReg();  in trackCopy()
207   MachineInstr *findCopyForUnit(MCRegister RegUnit,  in findCopyForUnit()
218   MachineInstr *findCopyDefViaUnit(MCRegister RegUnit,  in findCopyDefViaUnit()
229   MachineInstr *findAvailBackwardCopy(MachineInstr &I, MCRegister Reg,  in findAvailBackwardCopy()
257   MachineInstr *findAvailCopy(MachineInstr &DestCopy, MCRegister Reg,  in findAvailCopy()
324   void ReadRegister(MCRegister Reg, MachineInstr &Reader, DebugType DT);
327   bool eraseIfRedundant(MachineInstr &Copy, MCRegister Src, MCRegister Def);
359 void MachineCopyPropagation::ReadRegister(MCRegister Reg, MachineInstr &Reader,  in ReadRegister()
382 static bool isNopCopy(const MachineInstr &PreviousCopy, MCRegister Src,  in isNopCopy()
383                       MCRegister Def, const TargetRegisterInfo *TRI,  in isNopCopy()
388   MCRegister PreviousSrc = CopyOperands->Source->getReg().asMCReg();  in isNopCopy()
389   MCRegister PreviousDef = CopyOperands->Destination->getReg().asMCReg();  in isNopCopy()
402                                               MCRegister Src, MCRegister Def) {  in eraseIfRedundant()
667         MCRegister Def = RegDef.asMCReg();  in ForwardCopyPropagateBlock()
668         MCRegister Src = RegSrc.asMCReg();  in ForwardCopyPropagateBlock()
700           MCRegister Reg = MO.getReg().asMCReg();  in ForwardCopyPropagateBlock()
723           MCRegister Reg = MO.getReg().asMCReg();  in ForwardCopyPropagateBlock()
738         MCRegister Reg = MO.getReg().asMCReg();  in ForwardCopyPropagateBlock()
782         MCRegister Reg = CopyOperands->Destination->getReg().asMCReg();  in ForwardCopyPropagateBlock()
807     for (MCRegister Reg : Defs)  in ForwardCopyPropagateBlock()
934         MCRegister Def = DefReg.asMCReg();  in BackwardCopyPropagateBlock()
935         MCRegister Src = SrcReg.asMCReg();  in BackwardCopyPropagateBlock()
951         MCRegister Reg = MO.getReg().asMCReg();  in BackwardCopyPropagateBlock()