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| author | rdivacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2009-11-18 14:58:34 +0000 |
| commit | d2e985fd323c167e20f77b045a1d99ad166e65db (patch) | |
| tree | 6a111e552c75afc66228e3d8f19b6731e4013f10 /lib/Transforms/Scalar/IndVarSimplify.cpp | |
| parent | ded64d5d348ce8d8c5aa42cf63f6de9dd84b7e89 (diff) | |
| download | FreeBSD-src-d2e985fd323c167e20f77b045a1d99ad166e65db.zip FreeBSD-src-d2e985fd323c167e20f77b045a1d99ad166e65db.tar.gz | |
Update LLVM to r89205.
Diffstat (limited to 'lib/Transforms/Scalar/IndVarSimplify.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/IndVarSimplify.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp index b0bc70c..2912421 100644 --- a/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -536,8 +536,10 @@ void IndVarSimplify::SinkUnusedInvariants(Loop *L) { BasicBlock *ExitBlock = L->getExitBlock(); if (!ExitBlock) return; - Instruction *InsertPt = ExitBlock->getFirstNonPHI(); BasicBlock *Preheader = L->getLoopPreheader(); + if (!Preheader) return; + + Instruction *InsertPt = ExitBlock->getFirstNonPHI(); BasicBlock::iterator I = Preheader->getTerminator(); while (I != Preheader->begin()) { --I; |
