r209268 - utils/CmpDriver: add brief documentation to indicate what this does

[Alp Toker]

Author: alp
Date: Tue May 20 21:08:10 2014
New Revision: 209268

URL: http://llvm.org/viewvc/llvm-project?rev=209268&view=rev
Log:
utils/CmpDriver: add brief documentation to indicate what this does

Modified:
    cfe/trunk/utils/CmpDriver

Modified: cfe/trunk/utils/CmpDriver
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/CmpDriver?rev=209268&r1=209267&r2=209268&view=diff
==============================================================================
--- cfe/trunk/utils/CmpDriver (original)
+++ cfe/trunk/utils/CmpDriver Tue May 20 21:08:10 2014
@@ -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):