diff options
Diffstat (limited to 'lib/Target/Hexagon/HexagonMachineScheduler.cpp')
| -rw-r--r-- | lib/Target/Hexagon/HexagonMachineScheduler.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/Target/Hexagon/HexagonMachineScheduler.cpp b/lib/Target/Hexagon/HexagonMachineScheduler.cpp index aef6830..ced17b3 100644 --- a/lib/Target/Hexagon/HexagonMachineScheduler.cpp +++ b/lib/Target/Hexagon/HexagonMachineScheduler.cpp @@ -152,6 +152,12 @@ void VLIWMachineScheduler::schedule() { // Postprocess the DAG to add platform specific artificial dependencies. postprocessDAG(); + SmallVector<SUnit*, 8> TopRoots, BotRoots; + findRootsAndBiasEdges(TopRoots, BotRoots); + + // Initialize the strategy before modifying the DAG. + SchedImpl->initialize(this); + // To view Height/Depth correctly, they should be accessed at least once. DEBUG(unsigned maxH = 0; for (unsigned su = 0, e = SUnits.size(); su != e; ++su) @@ -166,7 +172,7 @@ void VLIWMachineScheduler::schedule() { DEBUG(for (unsigned su = 0, e = SUnits.size(); su != e; ++su) SUnits[su].dumpAll(this)); - initQueues(); + initQueues(TopRoots, BotRoots); bool IsTopNode = false; while (SUnit *SU = SchedImpl->pickNode(IsTopNode)) { @@ -186,6 +192,7 @@ void ConvergingVLIWScheduler::initialize(ScheduleDAGMI *dag) { DAG = static_cast<VLIWMachineScheduler*>(dag); SchedModel = DAG->getSchedModel(); TRI = DAG->TRI; + Top.init(DAG, SchedModel); Bot.init(DAG, SchedModel); @@ -193,6 +200,8 @@ void ConvergingVLIWScheduler::initialize(ScheduleDAGMI *dag) { // are disabled, then these HazardRecs will be disabled. const InstrItineraryData *Itin = DAG->getSchedModel()->getInstrItineraries(); const TargetMachine &TM = DAG->MF.getTarget(); + delete Top.HazardRec; + delete Bot.HazardRec; Top.HazardRec = TM.getInstrInfo()->CreateTargetMIHazardRecognizer(Itin, DAG); Bot.HazardRec = TM.getInstrInfo()->CreateTargetMIHazardRecognizer(Itin, DAG); @@ -677,4 +686,3 @@ void ConvergingVLIWScheduler::schedNode(SUnit *SU, bool IsTopNode) { Bot.bumpNode(SU); } } - |