2077   unsigned ReadyCycle = (isTop() ? SU->TopReadyCycle : SU->BotReadyCycle);  in getLatencyStallCycles()
2092   if (!isTop())  in getNextResourceCycleByInstance()
2178       ((isTop() && SchedModel->mustBeginGroup(SU->getInstr())) ||  in checkHazard()
2179        (!isTop() && SchedModel->mustEndGroup(SU->getInstr())))) {  in checkHazard()
2181                       << (isTop() ? "begin" : "end") << " group\n");  in checkHazard()
2315       if (isTop())  in bumpCycle()
2380     if (!isTop() && SU->isCall) {  in bumpNode()
2397   unsigned ReadyCycle = (isTop() ? SU->TopReadyCycle : SU->BotReadyCycle);  in bumpNode()
2463           if (isTop()) {  in bumpNode()
2473   unsigned &TopLatency = isTop() ? ExpectedLatency : DependentLatency;  in bumpNode()
2474   unsigned &BotLatency = isTop() ? DependentLatency : ExpectedLatency;  in bumpNode()
2505   if ((isTop() &&  SchedModel->mustEndGroup(SU->getInstr())) ||  in bumpNode()
2506       (!isTop() && SchedModel->mustBeginGroup(SU->getInstr()))) {  in bumpNode()
2507     LLVM_DEBUG(dbgs() << "  Bump cycle to " << (isTop() ? "end" : "begin")  in bumpNode()
2531     unsigned ReadyCycle = isTop() ? SU->TopReadyCycle : SU->BotReadyCycle;  in releasePending()
2857   if (Zone.isTop()) {  in tryLatency()
3086 unsigned getWeakLeft(const SUnit *SU, bool isTop) {  in getWeakLeft()  argument
3087   return (isTop) ? SU->WeakPredsLeft : SU->WeakSuccsLeft;  in getWeakLeft()
3097 int biasPhysReg(const SUnit *SU, bool isTop) {  in biasPhysReg()  argument
3101     unsigned ScheduledOper = isTop ? 1 : 0;  in biasPhysReg()
3102     unsigned UnscheduledOper = isTop ? 0 : 1;  in biasPhysReg()
3109     bool AtBoundary = isTop ? !SU->NumSuccsLeft : !SU->NumPredsLeft;  in biasPhysReg()
3127       return isTop ? -1 : 1;  in biasPhysReg()
3278     if ((Zone->isTop() && TryCand.SU->NodeNum < Cand.SU->NodeNum)  in tryCandidate()
3279         || (!Zone->isTop() && TryCand.SU->NodeNum > Cand.SU->NodeNum)) {  in tryCandidate()
3304     initCandidate(TryCand, SU, Zone.isTop(), RPTracker, TempTracker);  in pickNodeFromQueue()
3441 void GenericScheduler::reschedulePhysReg(SUnit *SU, bool isTop) {  in reschedulePhysReg()  argument
3443   if (!isTop)  in reschedulePhysReg()
3445   SmallVectorImpl<SDep> &Deps = isTop ? SU->Preds : SU->Succs;  in reschedulePhysReg()
3454     if (isTop ? DepSU->Succs.size() > 1 : DepSU->Preds.size() > 1)  in reschedulePhysReg()