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| author | Lang Hames <lhames@gmail.com> | 2012-09-03 06:31:45 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2012-09-03 06:31:45 +0000 |
| commit | 7b23d0838551ee16cbd49692df1eb0598b8a48f2 (patch) | |
| tree | f7a1673406d606fb9e6fd9cde76ae744717ef0ca /lib/CodeGen | |
| parent | 84451a110da981adfff2792c3aee5df322864da6 (diff) | |
| download | external_llvm-7b23d0838551ee16cbd49692df1eb0598b8a48f2.zip external_llvm-7b23d0838551ee16cbd49692df1eb0598b8a48f2.tar.gz external_llvm-7b23d0838551ee16cbd49692df1eb0598b8a48f2.tar.bz2 | |
When updating live range endpoints, make sure to preserve the early clobber bit.
Fixs PR13719.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163107 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 87538c4..bdf4f2d 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -1173,7 +1173,7 @@ private: SlotIndex LastUse = findLastUseBefore(LI->reg, OldIdx); if (LastUse != NewIdx) moveKillFlags(LI->reg, NewIdx, LastUse); - LR->end = LastUse.getRegSlot(); + LR->end = LastUse.getRegSlot(LR->end.isEarlyClobber()); } void moveEnteringDownFrom(SlotIndex OldIdx, IntRangePair& P) { @@ -1187,7 +1187,7 @@ private: assert(LR->end > OldIdx && "LiveRange does not cover original slot"); moveKillFlags(LI->reg, LR->end, NewIdx); } - LR->end = NewIdx.getRegSlot(); + LR->end = NewIdx.getRegSlot(LR->end.isEarlyClobber()); } } |