2301   unsigned ReadyCycle = (isTop() ? SU->TopReadyCycle : SU->BotReadyCycle);  in getLatencyStallCycles()
2313     if (isTop())  in getNextResourceCycleByInstance()
2326   if (!isTop())  in getNextResourceCycleByInstance()
2430       ((isTop() && SchedModel->mustBeginGroup(SU->getInstr())) ||  in checkHazard()
2431        (!isTop() && SchedModel->mustEndGroup(SU->getInstr())))) {  in checkHazard()
2433                       << (isTop() ? "begin" : "end") << " group\n");  in checkHazard()
2569       if (isTop())  in bumpCycle()
2640     if (!isTop() && SU->isCall) {  in bumpNode()
2657   unsigned ReadyCycle = (isTop() ? SU->TopReadyCycle : SU->BotReadyCycle);  in bumpNode()
2726             if (isTop()) {  in bumpNode()
2742             if (isTop()) {  in bumpNode()
2753   unsigned &TopLatency = isTop() ? ExpectedLatency : DependentLatency;  in bumpNode()
2754   unsigned &BotLatency = isTop() ? DependentLatency : ExpectedLatency;  in bumpNode()
2785   if ((isTop() &&  SchedModel->mustEndGroup(SU->getInstr())) ||  in bumpNode()
2786       (!isTop() && SchedModel->mustBeginGroup(SU->getInstr()))) {  in bumpNode()
2787     LLVM_DEBUG(dbgs() << "  Bump cycle to " << (isTop() ? "end" : "begin")  in bumpNode()
2811     unsigned ReadyCycle = isTop() ? SU->TopReadyCycle : SU->BotReadyCycle;  in releasePending()
3167   if (Zone.isTop()) {  in tryLatency()
3396 unsigned getWeakLeft(const SUnit *SU, bool isTop) {  in getWeakLeft()  argument
3397   return (isTop) ? SU->WeakPredsLeft : SU->WeakSuccsLeft;  in getWeakLeft()
3407 int biasPhysReg(const SUnit *SU, bool isTop) {  in biasPhysReg()  argument
3411     unsigned ScheduledOper = isTop ? 1 : 0;  in biasPhysReg()
3412     unsigned UnscheduledOper = isTop ? 0 : 1;  in biasPhysReg()
3419     bool AtBoundary = isTop ? !SU->NumSuccsLeft : !SU->NumPredsLeft;  in biasPhysReg()
3437       return isTop ? -1 : 1;  in biasPhysReg()
3588     if ((Zone->isTop() && TryCand.SU->NodeNum < Cand.SU->NodeNum)  in tryCandidate()
3589         || (!Zone->isTop() && TryCand.SU->NodeNum > Cand.SU->NodeNum)) {  in tryCandidate()
3614     initCandidate(TryCand, SU, Zone.isTop(), RPTracker, TempTracker);  in pickNodeFromQueue()
3751 void GenericScheduler::reschedulePhysReg(SUnit *SU, bool isTop) {  in reschedulePhysReg()  argument
3753   if (!isTop)  in reschedulePhysReg()
3755   SmallVectorImpl<SDep> &Deps = isTop ? SU->Preds : SU->Succs;  in reschedulePhysReg()
3764     if (isTop ? DepSU->Succs.size() > 1 : DepSU->Preds.size() > 1)  in reschedulePhysReg()