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Diffstat (limited to 'lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index feeececedb..a69124032b 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -1263,6 +1263,10 @@ bool LoopVectorizationLegality::canVectorizeWithIfConvert() { for (unsigned i = 0, e = LoopBlocks.size(); i < e; ++i) { BasicBlock *BB = LoopBlocks[i]; + // We don't support switch statements inside loops. + if (!isa<BranchInst>(BB->getTerminator())) + return false; + // We must have at most two predecessors because we need to convert // all PHIs to selects. unsigned Preds = std::distance(pred_begin(BB), pred_end(BB)); |