746     CurrentTop = CurrentBottom;  in checkSchedLimit()
796       if (&*CurrentTop == MI)  in schedule()
797         CurrentTop = nextIfDebug(++CurrentTop, CurrentBottom);  in schedule()
799         moveInstruction(MI, CurrentTop);  in schedule()
803         priorNonDebug(CurrentBottom, CurrentTop);  in schedule()
807         if (&*CurrentTop == MI)  in schedule()
808           CurrentTop = nextIfDebug(++CurrentTop, priorII);  in schedule()
821   assert(CurrentTop == CurrentBottom && "Nonempty unscheduled zone.");  in schedule()
884   CurrentTop = nextIfDebug(RegionBegin, RegionEnd);  in initQueues()
1259   assert(CurrentTop == CurrentBottom && "Nonempty unscheduled zone.");  in schedule()
1397     TopRPTracker.setPos(CurrentTop);  in initQueues()
1408     if (&*CurrentTop == MI)  in scheduleMI()
1409       CurrentTop = nextIfDebug(++CurrentTop, CurrentBottom);  in scheduleMI()
1411       moveInstruction(MI, CurrentTop);  in scheduleMI()
1429       assert(TopRPTracker.getPos() == CurrentTop && "out of sync");  in scheduleMI()
1438       priorNonDebug(CurrentBottom, CurrentTop);  in scheduleMI()
1442       if (&*CurrentTop == MI) {  in scheduleMI()
1443         CurrentTop = nextIfDebug(++CurrentTop, priorII);  in scheduleMI()
1444         TopRPTracker.setPos(CurrentTop);  in scheduleMI()