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| author | Nadav Rotem <nrotem@apple.com> | 2013-05-06 03:06:36 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-05-06 03:06:36 +0000 |
| commit | 37d38b7668f3dd64e2263426c29253ace50865b3 (patch) | |
| tree | 4ac2f5479e5f2c6341d75e137aa5d45aefe9f360 /lib/Transforms/Vectorize | |
| parent | 4ee312bac138a18c39353d4736eb5921532f9624 (diff) | |
| download | llvm-37d38b7668f3dd64e2263426c29253ace50865b3.tar.gz llvm-37d38b7668f3dd64e2263426c29253ace50865b3.tar.bz2 llvm-37d38b7668f3dd64e2263426c29253ace50865b3.tar.xz | |
Update the comment to mention that we use TTI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181178 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Vectorize')
| -rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 9a85ee812c..491e9cc248 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -8,9 +8,9 @@ //===----------------------------------------------------------------------===// // // This is the LLVM loop vectorizer. This pass modifies 'vectorizable' loops -// and generates target-independent LLVM-IR. Legalization of the IR is done -// in the codegen. However, the vectorizer uses (will use) the codegen -// interfaces to generate IR that is likely to result in an optimal binary. +// and generates target-independent LLVM-IR. +// The vectorizer uses the TargetTransformInfo analysis to estimate the costs +// of instructions in order to estimate the profitability of vectorization. // // The loop vectorizer combines consecutive loop iterations into a single // 'wide' iteration. After this transformation the index is incremented |