462   unsigned CandReg;  in attemptTrivialCoalescing()  local
467       CandReg = CopyMI->getOperand(1).getReg();  in attemptTrivialCoalescing()
472       CandReg = CopyMI->getOperand(0).getReg();  in attemptTrivialCoalescing()
481   if (TargetRegisterInfo::isVirtualRegister(CandReg)) {  in attemptTrivialCoalescing()
482     if (!vrm_->isAssignedReg(CandReg))  in attemptTrivialCoalescing()
484     CandReg = vrm_->getPhys(CandReg);  in attemptTrivialCoalescing()
486   if (Reg == CandReg)  in attemptTrivialCoalescing()
490   if (!RC->contains(CandReg))  in attemptTrivialCoalescing()
493   if (li_->conflictsWithPhysReg(cur, *vrm_, CandReg))  in attemptTrivialCoalescing()
497   DEBUG(dbgs() << "Coalescing: " << cur << " -> " << tri_->getName(CandReg)  in attemptTrivialCoalescing()
500   vrm_->assignVirt2Phys(cur.reg, CandReg);  in attemptTrivialCoalescing()
503   return CandReg;  in attemptTrivialCoalescing()