lib/CodeGen/MachineScheduler.cpp

366   delete DFSResult;
660   // This may initialize a DFSResult to be used for queue priority.
724   if (!DFSResult)
725     DFSResult = new SchedDFSResult(/*BottomU*/true, MinSubtreeSize);
726   DFSResult->clear();
728   DFSResult->resize(SUnits.size());
729   DFSResult->compute(SUnits);
730   ScheduledTrees.resize(DFSResult->getNumSubtrees());
740     // Order predecessors so DFSResult follows the critical path.
930   if (DFSResult) {
931     unsigned SubtreeID = DFSResult->getSubtreeID(SU);
934       DFSResult->scheduleTree(SubtreeID);
2859   const SchedDFSResult *DFSResult;
2863   ILPOrder(bool MaxILP): DFSResult(0), ScheduledTrees(0), MaximizeILP(MaxILP) {}
2869     unsigned SchedTreeA = DFSResult->getSubtreeID(A);
2870     unsigned SchedTreeB = DFSResult->getSubtreeID(B);
2877       if (DFSResult->getSubtreeLevel(SchedTreeA)
2878           != DFSResult->getSubtreeLevel(SchedTreeB)) {
2879         return DFSResult->getSubtreeLevel(SchedTreeA)
2880           < DFSResult->getSubtreeLevel(SchedTreeB);
2884       return DFSResult->getILP(A) < DFSResult->getILP(B);
2886       return DFSResult->getILP(A) > DFSResult->getILP(B);
2902     Cmp.DFSResult = DAG->getDFSResult();