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Lines Matching defs:LV

56     LiveVariables *LV;
134   LV = getAnalysisIfAvailable<LiveVariables>();
144   if (!DisableEdgeSplitting && (LV || LIS)) {
271   if (LV) {
275       LiveVariables::VarInfo &VI = LV->getVarInfo(IncomingReg);
278       LV->setPHIJoin(IncomingReg);
286           LV->removeVirtualRegisterKilled(IncomingReg, *OldKill);
294       LV->addVirtualRegisterKilled(IncomingReg, PHICopy);
300     LV->removeVirtualRegistersKilled(*MPhi);
302     // If the result is dead, update LV.
304       LV->addVirtualRegisterDead(DestReg, PHICopy);
305       LV->removeVirtualRegisterDead(DestReg, *MPhi);
407     if (LV && !SrcUndef &&
409         !LV->isLiveOut(SrcReg, opBlock)) {
455       LV->addVirtualRegisterKilled(SrcReg, *KillInst);
459       LV->getVarInfo(SrcReg).AliveBlocks.reset(opBlockNum);
574       // LV doesn't consider a phi use live-out, so isLiveOut only returns true
626   assert((LV || LIS) &&
631     return LV->isLiveIn(Reg, *MBB);
636   assert((LV || LIS) &&
650     return LV->isLiveOut(Reg, *MBB);