489     MachineOperand &MOUse = MI.getOperand(OpIdx);  in forwardUses()  local
495     if (!MOUse.isReg() || MOUse.isTied() || MOUse.isUndef() || MOUse.isDef() ||  in forwardUses()
496         MOUse.isImplicit())  in forwardUses()
499     if (!MOUse.getReg())  in forwardUses()
505     if (!MOUse.isRenamable())  in forwardUses()
509         Tracker.findAvailCopy(MI, MOUse.getReg().asMCReg(), *TRI);  in forwardUses()
518     if (MOUse.getReg() != CopyDstReg) {  in forwardUses()
532     if (hasImplicitOverlap(MI, MOUse))  in forwardUses()
550     LLVM_DEBUG(dbgs() << "MCP: Replacing " << printReg(MOUse.getReg(), TRI)  in forwardUses()
554     MOUse.setReg(CopySrcReg);  in forwardUses()
556       MOUse.setIsRenamable(false);  in forwardUses()