[llvm] r214329 - LangRef: add a note about the mangling-suppressing \01 prefix

[Hans Wennborg]

Author: hans
Date: Wed Jul 30 15:02:08 2014
New Revision: 214329

URL: http://llvm.org/viewvc/llvm-project?rev=214329&view=rev
Log:
LangRef: add a note about the mangling-suppressing \01 prefix

Someone asked about this on IRC the other day, and I couldn't
find the magic prefix documented anywhere.

Differential Revision: http://reviews.llvm.org/D4728

Modified:
    llvm/trunk/docs/LangRef.rst

Modified: llvm/trunk/docs/LangRef.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.rst?rev=214329&r1=214328&r2=214329&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.rst (original)
+++ llvm/trunk/docs/LangRef.rst Wed Jul 30 15:02:08 2014
@@ -79,7 +79,8 @@ identifiers, for different purposes:
    characters in their names can be surrounded with quotes. Special
    characters may be escaped using ``"\xx"`` where ``xx`` is the ASCII
    code for the character in hexadecimal. In this way, any character can
-   be used in a name value, even quotes themselves.
+   be used in a name value, even quotes themselves. The ``"\01"`` prefix
+   can be used on global variables to suppress mangling.
 #. Unnamed values are represented as an unsigned numeric value with
    their prefix. For example, ``%12``, ``@2``, ``%44``.
 #. Constants, which are described in the section  Constants_ below.