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| author | Nadav Rotem <nrotem@apple.com> | 2013-01-15 18:25:16 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-01-15 18:25:16 +0000 |
| commit | 6a459e65c8bd90e8381361379255ebfb9552b5cf (patch) | |
| tree | 0638c0d41f205aa8587cccc10be70909c535111f /lib/Transforms/Vectorize/LoopVectorize.cpp | |
| parent | 0b198ca38f9f58858ad8aa4bf91a2a06a6dee0e5 (diff) | |
LoopVectorizer cost model. Honor the user command line flag that selects the vectorization factor even if the target machine does not have any vector registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172544 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 464ed97506..bc8e1217be 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -2633,7 +2633,7 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize, if (MaxVectorSize == 0) { DEBUG(dbgs() << "LV: The target has no vector registers.\n"); - return 1; + MaxVectorSize = 1; } assert(MaxVectorSize <= 32 && "Did not expect to pack so many elements" |