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Diffstat (limited to 'lib/Transforms/Utils/LoopUnrollRuntime.cpp')
| -rw-r--r-- | lib/Transforms/Utils/LoopUnrollRuntime.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/lib/Transforms/Utils/LoopUnrollRuntime.cpp index 3aa6befe1f..7672726cb3 100644 --- a/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/lib/Transforms/Utils/LoopUnrollRuntime.cpp @@ -237,6 +237,8 @@ bool llvm::UnrollRuntimeLoopProlog(Loop *L, unsigned Count, LoopInfo *LI, // Use Scalar Evolution to compute the trip count. This allows more // loops to be unrolled than relying on induction var simplification + if (!LPM) + return false; ScalarEvolution *SE = LPM->getAnalysisIfAvailable<ScalarEvolution>(); if (SE == 0) return false; |