Hal Finkel 7a87f8a670 [MiSched] Fix a logic error in tryPressure()
Fixes a logic error in the MachineScheduler found by Steve Montgomery (and
confirmed by Andy). This has gone unfixed for months because the fix has been
found to introduce some small performance regressions. However, Andy has
recommended that, at this point, we fix this to avoid further dependence on the
incorrect behavior (and then follow-up separately on any regressions), and I
agree.

Fixes PR18883.

llvm-svn: 219512
2014-10-10 17:06:20 +00:00
2014-10-10 16:09:48 +00:00
2014-10-07 20:22:42 +00:00
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