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| author | Arnold Schwaighofer <aschwaighofer@apple.com> | 2013-05-09 00:32:18 +0000 |
|---|---|---|
| committer | Arnold Schwaighofer <aschwaighofer@apple.com> | 2013-05-09 00:32:18 +0000 |
| commit | 2e8c69cf9732726f6b9dbfa56fbddd5e4130bfa5 (patch) | |
| tree | 2a136ad205fc4fde5216ba322c5c9b78c0d653c9 /llvm/lib/Transforms | |
| parent | b613dfadcbfda86c0e681038269ebac0829fc1e5 (diff) | |
| download | bcm5719-llvm-2e8c69cf9732726f6b9dbfa56fbddd5e4130bfa5.tar.gz bcm5719-llvm-2e8c69cf9732726f6b9dbfa56fbddd5e4130bfa5.zip | |
LoopVectorizer: Don't assert on the absence of induction variables
A computable loop exit count does not imply the presence of an induction
variable. Scalar evolution can return a value for an infinite loop.
Fixes PR15926.
llvm-svn: 181495
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index e7da695d503..b16b371878b 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -2523,7 +2523,8 @@ bool LoopVectorizationLegality::canVectorizeInstrs() { if (!Induction) { DEBUG(dbgs() << "LV: Did not find one integer induction var.\n"); - assert(getInductionVars()->size() && "No induction variables"); + if (Inductions.empty()) + return false; } return true; |
