diff options
Diffstat (limited to 'lib/Transforms/Vectorize/SLPVectorizer.cpp')
| -rw-r--r-- | lib/Transforms/Vectorize/SLPVectorizer.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp index b287ca7c8d..cd3f723cd3 100644 --- a/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -1572,6 +1572,11 @@ struct SLPVectorizer : public FunctionPass { StoreRefs.clear(); bool Changed = false; + // If the target claims to have no vector registers don't attempt + // vectorization. + if (!TTI->getNumberOfRegisters(true)) + return false; + // Must have DataLayout. We can't require it because some tests run w/o // triple. if (!DL) |