487                          const MachineOperand &CopySrc);
752 /// Return true if it is safe to update all users of the \p CopySrc register
755                                                const MachineOperand &CopySrc) {  in canUpdateSrcUsers()  argument
756   assert(CopySrc.isReg() && "Expected a register operand");  in canUpdateSrcUsers()
757   for (auto *SrcUser : Tracker.getSrcUsers(CopySrc.getReg(), *TRI)) {  in canUpdateSrcUsers()
758     if (hasImplicitOverlap(*SrcUser, CopySrc))  in canUpdateSrcUsers()
762       if (!MO.isReg() || !MO.isUse() || MO.getReg() != CopySrc.getReg())  in canUpdateSrcUsers()
811     const MachineOperand &CopySrc = *CopyOperands->Source;  in forwardUses()  local
812     Register CopySrcReg = CopySrc.getReg();  in forwardUses()
861     if (!CopySrc.isRenamable())  in forwardUses()
863     MOUse.setIsUndef(CopySrc.isUndef());  in forwardUses()