549   int UpperBound, LowerBound;  in AddPred()  local
550   LowerBound = Node2Index[Y->NodeNum];  in AddPred()
554   if (LowerBound < UpperBound) {  in AddPred()
560     Shift(Visited, LowerBound, UpperBound);  in AddPred()
601   int LowerBound = Node2Index[StartSU.NodeNum];  in GetSubGraph()  local
607   if (LowerBound > UpperBound) {  in GetSubGraph()
661       if (Node2Index[s] == LowerBound) {  in GetSubGraph()
678 void ScheduleDAGTopologicalSort::Shift(BitVector& Visited, int LowerBound,  in Shift()  argument
684   for (i = LowerBound; i <= UpperBound; ++i) {  in Shift()
728   int UpperBound, LowerBound;  in IsReachable()  local
729   LowerBound = Node2Index[TargetSU->NodeNum];  in IsReachable()
733   if (LowerBound < UpperBound) {  in IsReachable()