[llvm-commits] [llvm] r82701 - /llvm/trunk/docs/LangRef.html

[Chris Lattner]

On Sep 24, 2009, at 3:27 PM, Dale Johannesen wrote:

>
> On Sep 24, 2009, at 1:49 PMPDT, Török Edwin wrote:
>
>> On 2009-09-24 21:38, Dale Johannesen wrote:
>>>
>>> Clarify that llvm attaches C language semantics to
>>> functions with names that match the C library.
>>
>> In fact this list is longer [1], it includes (excluding Andersens.cpp
>> and SimplifyLibcalls)
>> abs, absf, absl, atexit, calloc, ceil, copysign, copysignf, cosl,
>> __dso_handle,
>> exit, fabsf, fabsl, free, __half_powr4, __main, main, memcpy,  
>> realloc,
>> _setjmp, setjmp,
>> sinf, sinl.
>
> Functions starting with __ are fair game, I don't think we need
> document those at this level.  Could you add the others to my list?

Is there any reason to have an explicit list?  Why not just say "llvm  
assumes that functions defined in libc and libm are well known, this  
is something we'd like to fix in the future to better support  
freestanding environments." and leave it at that?

-Chris