diff options
| author | Roman Divacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
|---|---|---|
| committer | Roman Divacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
| commit | 907da171cc911d701da02a5cab898a9c49dd7724 (patch) | |
| tree | 6a111e552c75afc66228e3d8f19b6731e4013f10 /lib/Transforms/Scalar/LoopIndexSplit.cpp | |
| parent | 72cc50852bec44580ee7efe1aa2076273008a6ae (diff) | |
Notes
Diffstat (limited to 'lib/Transforms/Scalar/LoopIndexSplit.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopIndexSplit.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp index 920d85c8b654..8b6a2334315e 100644 --- a/lib/Transforms/Scalar/LoopIndexSplit.cpp +++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp @@ -209,6 +209,10 @@ bool LoopIndexSplit::runOnLoop(Loop *IncomingLoop, LPPassManager &LPM_Ref) { L = IncomingLoop; LPM = &LPM_Ref; + // If LoopSimplify form is not available, stay out of trouble. + if (!L->isLoopSimplifyForm()) + return false; + // FIXME - Nested loops make dominator info updates tricky. if (!L->getSubLoops().empty()) return false; |