From 773649296da935b62f9c62e42b08f51f09c196c2 Mon Sep 17 00:00:00 2001
From: Alp Toker <alp@nuanti.com>
Date: Wed, 21 May 2014 02:08:10 +0000
Subject: [PATCH] utils/CmpDriver: add brief documentation to indicate what
 this does

llvm-svn: 209268
---
 clang/utils/CmpDriver | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/clang/utils/CmpDriver b/clang/utils/CmpDriver
index 2533f547e973..12ce7a3250f6 100755
--- a/clang/utils/CmpDriver
+++ b/clang/utils/CmpDriver
@@ -1,5 +1,10 @@
 #!/usr/bin/env python
 
+"""
+A simple utility that compares tool invocations and exit codes issued by
+compiler drivers that support -### (e.g. gcc and clang).
+"""
+
 import subprocess
 
 def splitArgs(s):