diff options
Diffstat (limited to 'lib/CodeGen/PreAllocSplitting.cpp')
| -rw-r--r-- | lib/CodeGen/PreAllocSplitting.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp index 09f002aa26..f7d8ab0102 100644 --- a/lib/CodeGen/PreAllocSplitting.cpp +++ b/lib/CodeGen/PreAllocSplitting.cpp @@ -618,6 +618,8 @@ PreAllocSplitting::ShrinkWrapLiveInterval(VNInfo *ValNo, MachineBasicBlock *MBB, // Pred is the def bb and the def reaches other val#s, we must // allow the value to be live out of the bb. continue; + if (!CurrLI->liveAt(LIs->getMBBEndIdx(Pred)-1)) + return; ShrinkWrapLiveInterval(ValNo, Pred, MBB, DefMBB, Visited, Uses, UseMIs, UseMBBs); } |