diff options
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnroll.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnroll.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopUnroll.cpp b/lib/Transforms/Scalar/LoopUnroll.cpp index 74724cce60..33148200b4 100644 --- a/lib/Transforms/Scalar/LoopUnroll.cpp +++ b/lib/Transforms/Scalar/LoopUnroll.cpp @@ -132,7 +132,7 @@ bool LoopUnroll::visitLoop(Loop *L) { if (!TripCountC) return Changed; // Must have constant trip count! unsigned TripCount = TripCountC->getRawValue(); - if (TripCount != TripCountC->getRawValue()) + if (TripCount != TripCountC->getRawValue() || TripCount == 0) return Changed; // More than 2^32 iterations??? unsigned LoopSize = ApproximateLoopSize(L); |