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misched: trace ReadyQ.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157007 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2012-05-17 18:35:13 +00:00
parent 73a0d8ecf8
commit 81f1be3b5a
1 changed files with 8 additions and 0 deletions
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8
lib/CodeGen/MachineScheduler.cpp
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@ -713,6 +713,13 @@ struct ReadyQ {
*I = Queue.back();
Queue.pop_back();
}
void dump(const char* Name) {
dbgs() << Name << ": ";
for (unsigned i = 0, e = Queue.size(); i < e; ++i)
dbgs() << Queue[i]->NodeNum << " ";
dbgs() << "\n";
}
};
/// ConvergingScheduler shrinks the unscheduled zone using heuristics to balance
@ -828,6 +835,7 @@ static bool compareRPDelta(const RegPressureDelta &LHS,
ConvergingScheduler::CandResult ConvergingScheduler::
pickNodeFromQueue(ReadyQ &Q, const RegPressureTracker &RPTracker,
SchedCandidate &Candidate) {
DEBUG(Q.dump(getQName(Q.ID)));
// getMaxPressureDelta temporarily modifies the tracker.
RegPressureTracker &TempTracker = const_cast<RegPressureTracker&>(RPTracker);