aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/LiveIntervalAnalysis.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp17
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();
}
}
}