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| author | Dan Gohman <gohman@apple.com> | 2009-11-05 21:11:53 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-11-05 21:11:53 +0000 |
| commit | a83ac2d9e7b990df6978598d9dec860b5ef13a9a (patch) | |
| tree | a0ac873f025057cdce7b82ad870f52de16f6e107 /llvm/lib/Transforms/IPO/LoopExtractor.cpp | |
| parent | 87869bc435c1fb81ae0a3fd5c76becaaa0f90284 (diff) | |
| download | bcm5719-llvm-a83ac2d9e7b990df6978598d9dec860b5ef13a9a.tar.gz bcm5719-llvm-a83ac2d9e7b990df6978598d9dec860b5ef13a9a.zip | |
Update various Loop optimization passes to cope with the possibility that
LoopSimplify form may not be available.
llvm-svn: 86175
Diffstat (limited to 'llvm/lib/Transforms/IPO/LoopExtractor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/LoopExtractor.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/LoopExtractor.cpp b/llvm/lib/Transforms/IPO/LoopExtractor.cpp index fd69aeb00c1..cb813303fac 100644 --- a/llvm/lib/Transforms/IPO/LoopExtractor.cpp +++ b/llvm/lib/Transforms/IPO/LoopExtractor.cpp @@ -75,6 +75,10 @@ bool LoopExtractor::runOnLoop(Loop *L, LPPassManager &LPM) { if (L->getParentLoop()) return false; + // If LoopSimplify form is not available, stay out of trouble. + if (!L->isLoopSimplifyForm()) + return false; + DominatorTree &DT = getAnalysis<DominatorTree>(); bool Changed = false; |
