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| author | Sebastian Pop <spop@codeaurora.org> | 2014-05-29 19:44:05 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@codeaurora.org> | 2014-05-29 19:44:05 +0000 |
| commit | 5352408169d6b9927bc7fffd590fe8850eb93bb6 (patch) | |
| tree | b5ebb322c9a1901ba40b584b7a1022fab6bb3d6c /llvm/lib/Analysis/ScalarEvolution.cpp | |
| parent | bdd2b3c7c52def557019b6513fcc3027136aa170 (diff) | |
| download | bcm5719-llvm-5352408169d6b9927bc7fffd590fe8850eb93bb6.tar.gz bcm5719-llvm-5352408169d6b9927bc7fffd590fe8850eb93bb6.zip | |
fail to find dimensions when ElementSize is nullptr
when ScalarEvolution::getElementSize returns nullptr it is safe to early return
in ScalarEvolution::findArrayDimensions such that we avoid later problems when
we try to divide the terms by ElementSize.
llvm-svn: 209837
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 42a7aa23896..935d4158c39 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -7370,7 +7370,7 @@ void ScalarEvolution::findArrayDimensions(SmallVectorImpl<const SCEV *> &Terms, SmallVectorImpl<const SCEV *> &Sizes, const SCEV *ElementSize) const { - if (Terms.size() < 1) + if (Terms.size() < 1 || !ElementSize) return; // Early return when Terms do not contain parameters: we do not delinearize |
