[LLVMdev] BlockFrequency spill weights

Benjamin Kramer benny.kra at gmail.com
Mon Jun 17 11:58:49 PDT 2013


On 17.06.2013, at 20:43, Chandler Carruth <chandlerc at google.com> wrote:

> 
> On Mon, Jun 17, 2013 at 11:03 AM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:
> >> This computation can overflow.
> >
> > Yep, I went down the easy route and converted it to floating point arithmetic. Is that OK here?
> 
> Yes, that should be fine.
> 
> I really don't think this is fine. I would like for LLVM to not rely on floating point arithmetic on the host.

I tend to agree. The piece of code I was referring to is replacing other floating point code and interacts with other floating point code so this is not a regression.

- Ben



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