2342   unsigned ReadyCycle = (isTop() ? SU->TopReadyCycle : SU->BotReadyCycle);  in getLatencyStallCycles()
2354     if (isTop())  in getNextResourceCycleByInstance()
2367   if (!isTop())  in getNextResourceCycleByInstance()
2471       ((isTop() && SchedModel->mustBeginGroup(SU->getInstr())) ||  in checkHazard()
2472        (!isTop() && SchedModel->mustEndGroup(SU->getInstr())))) {  in checkHazard()
2474                       << (isTop() ? "begin" : "end") << " group\n");  in checkHazard()
2610       if (isTop())  in bumpCycle()
2681     if (!isTop() && SU->isCall) {  in bumpNode()
2698   unsigned ReadyCycle = (isTop() ? SU->TopReadyCycle : SU->BotReadyCycle);  in bumpNode()
2767             if (isTop()) {  in bumpNode()
2783             if (isTop()) {  in bumpNode()
2794   unsigned &TopLatency = isTop() ? ExpectedLatency : DependentLatency;  in bumpNode()
2795   unsigned &BotLatency = isTop() ? DependentLatency : ExpectedLatency;  in bumpNode()
2826   if ((isTop() &&  SchedModel->mustEndGroup(SU->getInstr())) ||  in bumpNode()
2827       (!isTop() && SchedModel->mustBeginGroup(SU->getInstr()))) {  in bumpNode()
2828     LLVM_DEBUG(dbgs() << "  Bump cycle to " << (isTop() ? "end" : "begin")  in bumpNode()
2852     unsigned ReadyCycle = isTop() ? SU->TopReadyCycle : SU->BotReadyCycle;  in releasePending()
3208   if (Zone.isTop()) {  in tryLatency()
3435 unsigned getWeakLeft(const SUnit *SU, bool isTop) {  in getWeakLeft()  argument
3436   return (isTop) ? SU->WeakPredsLeft : SU->WeakSuccsLeft;  in getWeakLeft()
3446 int biasPhysReg(const SUnit *SU, bool isTop) {  in biasPhysReg()  argument
3450     unsigned ScheduledOper = isTop ? 1 : 0;  in biasPhysReg()
3451     unsigned UnscheduledOper = isTop ? 0 : 1;  in biasPhysReg()
3458     bool AtBoundary = isTop ? !SU->NumSuccsLeft : !SU->NumPredsLeft;  in biasPhysReg()
3476       return isTop ? -1 : 1;  in biasPhysReg()
3627     if ((Zone->isTop() && TryCand.SU->NodeNum < Cand.SU->NodeNum)  in tryCandidate()
3628         || (!Zone->isTop() && TryCand.SU->NodeNum > Cand.SU->NodeNum)) {  in tryCandidate()
3653     initCandidate(TryCand, SU, Zone.isTop(), RPTracker, TempTracker);  in pickNodeFromQueue()
3805 void GenericScheduler::reschedulePhysReg(SUnit *SU, bool isTop) {  in reschedulePhysReg()  argument
3807   if (!isTop)  in reschedulePhysReg()
3809   SmallVectorImpl<SDep> &Deps = isTop ? SU->Preds : SU->Succs;  in reschedulePhysReg()
3818     if (isTop ? DepSU->Succs.size() > 1 : DepSU->Preds.size() > 1)  in reschedulePhysReg()
3984     TryCand.AtTop = Zone.isTop();  in pickNodeFromQueue()