diff options
| author | Nadav Rotem <nrotem@apple.com> | 2012-12-11 04:55:10 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-12-11 04:55:10 +0000 |
| commit | dbb3328194004c1777f9ec9cd965891db5d88289 (patch) | |
| tree | cf8a94d3e29ead6405e121f3fe3399f1e7bea86a /llvm/lib/Transforms | |
| parent | 6ee19d28f48e01de8a8b44943f55adda80bb15ad (diff) | |
| download | bcm5719-llvm-dbb3328194004c1777f9ec9cd965891db5d88289.tar.gz bcm5719-llvm-dbb3328194004c1777f9ec9cd965891db5d88289.zip | |
Fix PR14565. Don't if-convert loops that have switch statements in them.
llvm-svn: 169813
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index feeececedb9..a69124032be 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/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)); |
