From ab44ce3d598882e51a25eb82eb7ae6308de85ae6 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 29 May 2017 16:25:25 +0000 Subject: Vendor import of llvm trunk r304149: https://llvm.org/svn/llvm-project/llvm/trunk@304149 --- docs/Vectorizers.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'docs/Vectorizers.rst') diff --git a/docs/Vectorizers.rst b/docs/Vectorizers.rst index 65c19aa2bc0c..a909d458c317 100644 --- a/docs/Vectorizers.rst +++ b/docs/Vectorizers.rst @@ -99,7 +99,9 @@ Optimization remarks are enabled using: indicates if vectorization was specified. ``-Rpass-analysis=loop-vectorize`` identifies the statements that caused -vectorization to fail. +vectorization to fail. If in addition ``-fsave-optimization-record`` is +provided, multiple causes of vectorization failure may be listed (this behavior +might change in the future). Consider the following loop: -- cgit v1.2.3