[LLVMdev] Question about SPARC target status

[Owen Anderson]

On Nov 11, 2008, at 10:34 AM, Peter Shugalev wrote:

> Hi,
>
> Anton Korobeynikov wrote:
>>> I thought llvm-gcc isn't meant to compile for specific target (at  
>>> least
>>> with -emit-llvm flag I'm using).
>> No, it is not. C language is highly target-specific, thus LLVM IR
>> obtained from such sources also has the same nice 'property'
>
> I can see only one reason for such dependence: inclusion of system
> headers in /usr/include. If I compile llvm-gcc with predefined set of
> Linux headers (the way cross-compilers are usually made) will the IR
> output be the same no matter which platform is used for compilation?
>

No.  Consider use of sizeof(), ABI issues, etc.

--Owen
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