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Fix PR325

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-04-20 20:26:03 +00:00
parent 5ad2b1d544
commit c99acc3709
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/LoopUnroll.cpp
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@ -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);