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| author | Andrew Trick <atrick@apple.com> | 2012-05-08 02:52:09 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-05-08 02:52:09 +0000 |
| commit | d29cd732d4572edb072ffe1aaf515aed7dc67629 (patch) | |
| tree | 5a976fec6dfe6403364fe9e567207589f566411b /llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | |
| parent | 9f5616a0059d8f1eb799d3fb6715acbd01e930e8 (diff) | |
| download | bcm5719-llvm-d29cd732d4572edb072ffe1aaf515aed7dc67629.tar.gz bcm5719-llvm-d29cd732d4572edb072ffe1aaf515aed7dc67629.zip | |
Allow NULL LoopPassManager argument in UnrollLoop. PR12734.
llvm-svn: 156358
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp index 3aa6befe1f1..7672726cb33 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/llvm/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; |
