295     unsigned SrcReg = MPhi->getOperand(i*2+1).getReg();  in LowerAtomicPHINode()  local
298       isImplicitlyDefined(SrcReg, MRI);  in LowerAtomicPHINode()
299     assert(TargetRegisterInfo::isVirtualRegister(SrcReg) &&  in LowerAtomicPHINode()
315       findPHICopyInsertPoint(&opBlock, &MBB, SrcReg);  in LowerAtomicPHINode()
327         if (MachineInstr *DefMI = MRI->getVRegDef(SrcReg))  in LowerAtomicPHINode()
333           .addReg(SrcReg, 0, SrcSubReg);  in LowerAtomicPHINode()
352     bool ValueIsUsed = VRegPHIUseCount[BBVRegPair(opBlock.getNumber(), SrcReg)];  in LowerAtomicPHINode()
356     if (!ValueIsUsed && !LV->isLiveOut(SrcReg, opBlock)) {  in LowerAtomicPHINode()
366         if (Term->readsRegister(SrcReg))  in LowerAtomicPHINode()
380             if (KillInst->readsRegister(SrcReg))  in LowerAtomicPHINode()
388       assert(KillInst->readsRegister(SrcReg) && "Cannot find kill instruction");  in LowerAtomicPHINode()
391       LV->addVirtualRegisterKilled(SrcReg, KillInst);  in LowerAtomicPHINode()
395       LV->getVarInfo(SrcReg).AliveBlocks.reset(opBlockNum);  in LowerAtomicPHINode()