[llvm-commits] [llvm] r133050 - in /llvm/trunk/lib: AsmParser/LLLexer.cpp VMCore/AsmWriter.cpp

[Dan Gohman]

On Jun 14, 2011, at 11:37 PM, Nick Lewycky wrote:

> Author: nicholas
> Date: Wed Jun 15 01:37:58 2011
> New Revision: 133050
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=133050&view=rev
> Log:
> Teach the .ll parser to handle named metadata with non-simple names.
> Unfortunately we can't follow what the rest of the language does (wrapping it
> in double-quotes) because that would cause an ambiguity with metadata strings,
> so instead we escape any unusual characters with \xx escaping.

Named metadata names can never appear in the same context as metadata
strings, so so it actually wouldn't be strictly ambiguous.  I don't know if that's
worth pursuing though.  May I ask what you're doing that needs
non-simply-named named metadata?

Either way, please add a testcase.

Dan