From: Hans Wennborg <hans@hanshq.net>
Date: Wed, 30 Jul 2014 20:02:08 +0000 (+0000)
Subject: LangRef: add a note about the mangling-suppressing \01 prefix
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dab34a615be6783eb160102c74d942c963129fa4;p=llvm

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214329 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index cc801f71313..20f9813c01a 100644
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -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.