From dab34a615be6783eb160102c74d942c963129fa4 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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214329 91177308-0d34-0410-b5e6-96231b3b80d8 --- docs/LangRef.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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.