From 7375d35711248a407f2d9e2c2d8927b529b3c734 Mon Sep 17 00:00:00 2001
From: Nadav Rotem <nrotem@apple.com>
Date: Wed, 26 Dec 2012 06:03:35 +0000
Subject: [PATCH] Doc: add fmuladd to the list of vectorizeable functions.
 Thanks hfinkel.

llvm-svn: 171094
---
 llvm/docs/Vectorizers.rst | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/llvm/docs/Vectorizers.rst b/llvm/docs/Vectorizers.rst
index 61b720924142..0d5e349e60d1 100644
--- a/llvm/docs/Vectorizers.rst
+++ b/llvm/docs/Vectorizers.rst
@@ -183,6 +183,18 @@ vectorization is profitable.
       A[i] += 4 * B[i];
   }
 
+
+Vectorization of Special Idioms
+-------------------------------
+
+The Loop Vectorizer can detect and vectorize  
+
+.. code-block:: c++
+
+  for ( k=1 ; k<n ; k++ ) {
+    x[k] = x[k-1] + y[k];
+  }
+
 Vectorization of function calls
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -200,6 +212,8 @@ See the table below for a list of these functions.
 +-----+-----+---------+
 |fma  |trunc|nearbyint|
 +-----+-----+---------+
+|     |     | fmuladd |
++-----+-----+---------+
 
 Performance
 -----------