From f2fd23b0620b3785a85fbde8893ffd777ed8b2b2 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Tue, 27 Mar 2012 22:42:42 +0000
Subject: [PATCH] Add a note about a cute little fabs optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153543 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/README.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 2d4925d307a..8929ac4f2a6 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -2370,3 +2370,8 @@ unsigned foo(unsigned x, unsigned y) { return x > y && x != 0; }
 should fold to x > y.
 
 //===---------------------------------------------------------------------===//
+
+int f(double x) { return __builtin_fabs(x) < 0.0; }
+should fold to false.
+
+//===---------------------------------------------------------------------===//