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MIsched: HazardRecognizers are created for each DAG. Free them.

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llvm-svn: 175067
This commit is contained in:
Andrew Trick 2013-02-13 19:22:27 +00:00
parent 0a3102166e
commit 4cce0af4e9
2 changed files with 9 additions and 2 deletions
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7
lib/CodeGen/MachineScheduler.cpp
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@ -1054,6 +1054,9 @@ public:
#endif
void reset() {
// A new HazardRec is created for each DAG and owned by SchedBoundary.
delete HazardRec;
Available.clear();
Pending.clear();
CheckPending = false;
@ -1079,7 +1082,8 @@ public:
/// PendingFlag set.
SchedBoundary(unsigned ID, const Twine &Name):
DAG(0), SchedModel(0), Rem(0), Available(ID, Name+".A"),
Pending(ID << ConvergingScheduler::LogMaxQID, Name+".P") {
Pending(ID << ConvergingScheduler::LogMaxQID, Name+".P"),
HazardRec(0) {
reset();
}
@ -1223,6 +1227,7 @@ void ConvergingScheduler::initialize(ScheduleDAGMI *dag) {
DAG = dag;
SchedModel = DAG->getSchedModel();
TRI = DAG->TRI;
Rem.init(DAG, SchedModel);
Top.init(DAG, SchedModel, &Rem);
Bot.init(DAG, SchedModel, &Rem);

4
lib/Target/Hexagon/HexagonMachineScheduler.cpp
View File

@ -192,6 +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);
@ -199,6 +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);
@ -683,4 +686,3 @@ void ConvergingVLIWScheduler::schedNode(SUnit *SU, bool IsTopNode) {
Bot.bumpNode(SU);
}
}