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| author | Jakub Staszak <kubastaszak@gmail.com> | 2013-01-25 21:44:27 +0000 |
|---|---|---|
| committer | Jakub Staszak <kubastaszak@gmail.com> | 2013-01-25 21:44:27 +0000 |
| commit | b74564a15ac6bfa85c9597bed842b686be1a1a62 (patch) | |
| tree | 20300cc0e998e4d5965cfccb105e63d444004ed1 | |
| parent | e1f95db4803a48a30fc2a1d5868281a87a36fb85 (diff) | |
Use const reference instead of vector copying.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173497 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/MachineScheduler.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp index 821a4f2027..adf9a57dde 100644 --- a/lib/CodeGen/MachineScheduler.cpp +++ b/lib/CodeGen/MachineScheduler.cpp @@ -467,7 +467,8 @@ void ScheduleDAGMI::initRegPressure() { // Cache the list of excess pressure sets in this region. This will also track // the max pressure in the scheduled code for these sets. RegionCriticalPSets.clear(); - std::vector<unsigned> RegionPressure = RPTracker.getPressure().MaxSetPressure; + const std::vector<unsigned> &RegionPressure = + RPTracker.getPressure().MaxSetPressure; for (unsigned i = 0, e = RegionPressure.size(); i < e; ++i) { unsigned Limit = TRI->getRegPressureSetLimit(i); DEBUG(dbgs() << TRI->getRegPressureSetName(i) |