diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2016-01-16 17:57:54 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2016-01-16 17:57:54 +0000 |
| commit | 5673a0f9182b84022657990fbb01ca6cf91cf94f (patch) | |
| tree | 4dda31822cfd7a15653eb970741984eb54e02b62 /contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | |
| parent | 42d8074a701c411b0446ad3eaf0af17a66a8d654 (diff) | |
Notes
Diffstat (limited to 'contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp')
| -rw-r--r-- | contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 27d3337f1351..f69a4e52c7e1 100644 --- a/contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/contrib/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -1691,8 +1691,10 @@ bool BoUpSLP::isFullyVectorizableTinyTree() { if (VectorizableTree.size() != 2) return false; - // Handle splat stores. - if (!VectorizableTree[0].NeedToGather && isSplat(VectorizableTree[1].Scalars)) + // Handle splat and all-constants stores. + if (!VectorizableTree[0].NeedToGather && + (allConstant(VectorizableTree[1].Scalars) || + isSplat(VectorizableTree[1].Scalars))) return true; // Gathering cost would be too much for tiny trees. |