diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 9bd0037244..833cb95eb9 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -168,8 +168,12 @@ void LiveIntervals::computeNumbering() { LI->end = getMBBEndIdx(J->second) + 1; } else { unsigned idx = index; - while (!OldI2MI[index]) ++index; - LI->end = mi2iMap_[OldI2MI[index]] + (idx == index ? offset : 0); + while (index < OldI2MI.size() && !OldI2MI[index]) ++index; + + if (index != OldI2MI.size()) + LI->end = mi2iMap_[OldI2MI[index]] + (idx == index ? offset : 0); + else + LI->end = InstrSlots::NUM * i2miMap_.size(); } // Remap the VNInfo def index, which works the same as the @@ -208,8 +212,13 @@ void LiveIntervals::computeNumbering() { } else { unsigned idx = index; while (!OldI2MI[index]) ++index; - vni->kills[i] = mi2iMap_[OldI2MI[index]] + - (idx == index ? offset : 0); + while (index < OldI2MI.size() && !OldI2MI[index]) ++index; + + if (index != OldI2MI.size()) + vni->kills[i] = mi2iMap_[OldI2MI[index]] + + (idx == index ? offset : 0); + else + vni->kills[i] = InstrSlots::NUM * i2miMap_.size(); } } } |