From 37d38b7668f3dd64e2263426c29253ace50865b3 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Mon, 6 May 2013 03:06:36 +0000 Subject: [PATCH] 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 --- lib/Transforms/Vectorize/LoopVectorize.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 9a85ee812cf..491e9cc2480 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