From 85e065386c31b18164c3732b8c765e40001eebf1 Mon Sep 17 00:00:00 2001 From: Hans Wennborg Date: Wed, 30 Jul 2014 20:02:08 +0000 Subject: [PATCH] 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 llvm-svn: 214329 --- llvm/docs/LangRef.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst index cc801f7..20f9813 100644 --- a/llvm/docs/LangRef.rst +++ b/llvm/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. -- 2.7.4