56     LiveVariables *LV;  member in __anon3e98eb190111::PHIElimination
134   LV = getAnalysisIfAvailable<LiveVariables>();  in runOnMachineFunction()
144   if (!DisableEdgeSplitting && (LV || LIS)) {  in runOnMachineFunction()
271   if (LV) {  in LowerPHINode()
275       LiveVariables::VarInfo &VI = LV->getVarInfo(IncomingReg);  in LowerPHINode()
278       LV->setPHIJoin(IncomingReg);  in LowerPHINode()
286           LV->removeVirtualRegisterKilled(IncomingReg, *OldKill);  in LowerPHINode()
294       LV->addVirtualRegisterKilled(IncomingReg, PHICopy);  in LowerPHINode()
300     LV->removeVirtualRegistersKilled(*MPhi);  in LowerPHINode()
304       LV->addVirtualRegisterDead(DestReg, PHICopy);  in LowerPHINode()
305       LV->removeVirtualRegisterDead(DestReg, *MPhi);  in LowerPHINode()
407     if (LV && !SrcUndef &&  in LowerPHINode()
409         !LV->isLiveOut(SrcReg, opBlock)) {  in LowerPHINode()
455       LV->addVirtualRegisterKilled(SrcReg, *KillInst);  in LowerPHINode()
459       LV->getVarInfo(SrcReg).AliveBlocks.reset(opBlockNum);  in LowerPHINode()
626   assert((LV || LIS) &&  in isLiveIn()
631     return LV->isLiveIn(Reg, *MBB);  in isLiveIn()
636   assert((LV || LIS) &&  in isLiveOutPastPHIs()
650     return LV->isLiveOut(Reg, *MBB);  in isLiveOutPastPHIs()