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Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 92829b1ea4..d326729920 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -797,7 +797,7 @@ void LiveIntervals::shrinkToUses(LiveInterval *li) { (void)ExtVNI; assert(ExtVNI == VNI && "Unexpected existing value number"); // Is this a PHIDef we haven't seen before? - if (!VNI->isPHIDef() || !UsedPHIs.insert(VNI)) + if (!VNI->isPHIDef() || VNI->def != BlockStart || !UsedPHIs.insert(VNI)) continue; // The PHI is live, make sure the predecessors are live-out. for (MachineBasicBlock::const_pred_iterator PI = MBB->pred_begin(), |