constant pooling in GHC

[Carter Schonwald]

what precisely do you mean by constant pooling? i can guess several
meanings, but what do you mean specifically?

On Sat, Sep 15, 2018 at 10:33 AM Phyx <lonetiger at gmail.com> wrote:

> Hi All,
>
> I'm hoping someone here can save me some time.  I'm working on something
> that relies on constants in the same translation unit being pooled before
> assembly.
>
> I've noticed GHC does some const pooling at -O1 , but this doesn't seem to
> be very consistent, which leads me to believe this is a byproduct of
> another optimization rather than an explicit thing.
>
> I couldn't find anything obvious in the sources, so does GHC intentionally
> do constant pooling already? Or do I need a new pass to guarantee it.
>
> Thanks,
> Tamar
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