754     CurrentTop = CurrentBottom;  in checkSchedLimit()
802       if (&*CurrentTop == MI)  in schedule()
803         CurrentTop = nextIfDebug(++CurrentTop, CurrentBottom);  in schedule()
805         moveInstruction(MI, CurrentTop);  in schedule()
809         priorNonDebug(CurrentBottom, CurrentTop);  in schedule()
813         if (&*CurrentTop == MI)  in schedule()
814           CurrentTop = nextIfDebug(++CurrentTop, priorII);  in schedule()
827   assert(CurrentTop == CurrentBottom && "Nonempty unscheduled zone.");  in schedule()
890   CurrentTop = nextIfDebug(RegionBegin, RegionEnd);  in initQueues()
1263   assert(CurrentTop == CurrentBottom && "Nonempty unscheduled zone.");  in schedule()
1401     TopRPTracker.setPos(CurrentTop);  in initQueues()
1412     if (&*CurrentTop == MI)  in scheduleMI()
1413       CurrentTop = nextIfDebug(++CurrentTop, CurrentBottom);  in scheduleMI()
1415       moveInstruction(MI, CurrentTop);  in scheduleMI()
1433       assert(TopRPTracker.getPos() == CurrentTop && "out of sync");  in scheduleMI()
1442       priorNonDebug(CurrentBottom, CurrentTop);  in scheduleMI()
1446       if (&*CurrentTop == MI) {  in scheduleMI()
1447         CurrentTop = nextIfDebug(++CurrentTop, priorII);  in scheduleMI()
1448         TopRPTracker.setPos(CurrentTop);  in scheduleMI()