602     Register CopySrcReg;  in lookThruCopyLike()  local
604       CopySrcReg = MI->getOperand(1).getReg();  in lookThruCopyLike()
607       CopySrcReg = MI->getOperand(2).getReg();  in lookThruCopyLike()
610     if (!CopySrcReg.isVirtual())  in lookThruCopyLike()
611       return CopySrcReg;  in lookThruCopyLike()
613     SrcReg = CopySrcReg;  in lookThruCopyLike()
625     Register CopySrcReg;  in lookThruSingleUseCopyChain()  local
627       CopySrcReg = MI->getOperand(1).getReg();  in lookThruSingleUseCopyChain()
630       CopySrcReg = MI->getOperand(2).getReg();  in lookThruSingleUseCopyChain()
635     if (!CopySrcReg.isVirtual() || !MRI->hasOneNonDBGUse(CopySrcReg))  in lookThruSingleUseCopyChain()
638     SrcReg = CopySrcReg;  in lookThruSingleUseCopyChain()