[llvm-commits] [llvm] r68940 - in /llvm/trunk: docs/ include/llvm/ include/llvm/CodeGen/ lib/AsmParser/ lib/Bitcode/Reader/ lib/Bitcode/Writer/ lib/CodeGen/ lib/CodeGen/AsmPrinter/ lib/Linker/ lib/Target/CppBackend/ lib/VMCore/ test/CodeGen/Gener

[Chris Lattner]

On Apr 13, 2009, at 12:38 AM, Eli Friedman wrote:

> On Sun, Apr 12, 2009 at 10:44 PM, Chris Lattner <sabre at nondot.org>  
> wrote:
>> Author: lattner
>> Date: Mon Apr 13 00:44:34 2009
>> New Revision: 68940
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=68940&view=rev
>> Log:
>> Add a new "available_externally" linkage type.  This is intended
>> to support C99 inline, GNU extern inline, etc.  Related bugzilla's
>> include PR3517, PR3100, & PR2933.  Nothing uses this yet, but it
>> appears to work.
>
> Interesting.  One serious issue from looking over it: the C99 rules
> require that only calls from within the same translation unit are
> allowed to use an inline definition.

This could be handled by having the linker drop "available_externally"  
symbols when it does linking, but do you expect this to be a problem  
in practice?  Why would it be ok to inline a body in one translation  
unit but not in another?

-Chris