[LLVMdev] Implementing platform specific library call simplification

[Richard Osborne]

On 24/02/11 07:21, Chris Lattner wrote:
> Hi Richard,
>
> Just to close the loop on this, I went ahead and added a new llvm/Target/TargetLibraryInfo.h and added it to simplifylibcalls.  TargetLibraryInfo doesn't handle all the libcalls that SimplifyLibCalls handles yet, but it should provide a starting point for iprintf: just add an iprintf enum to TargetLibraryInfo and make your transformation predicated on TLI->has(LibFunc::iprintf).
>
> It would be great to see this go into mainline,
>
> -Chris
>    
Hi Chris,

Thanks for this - it looks to be exactly what I need. I'll should have 
some time next week to put together a patch with the iprintf optimizations.

-- 
Richard Osborne | XMOS
http://www.xmos.com