[Mesa-dev] [PATCH v2 11/12] nir: Add return lowering pass

[Jason Ekstrand]

On Mon, Dec 28, 2015 at 1:28 PM, Connor Abbott <cwabbott0 at gmail.com> wrote:

> On Mon, Dec 28, 2015 at 4:21 PM, Jason Ekstrand <jason at jlekstrand.net>
> wrote:
> >>
> >>
> >> but I hope you can get loops working soon so you can test this (and
> >> hey, loops are useful for other things too :P).
> >
> >
> > Yeah, I'm starting on adding a real CFG to spirv_to_nir today.  It's the
> > task that I've had on my todo list for a long time that I've been
> avoiding
> > and hoping would go away.  It didn't go away.
> > --Jason
> >
>
> What do you mean by this? I thought I had gotten everything working
> except for structured continue and switches... what's broken about
> loops now?
>

The fact that glslang is now almost always generating continues?  Also, I
don't think we can do switches without some sort of CFG data structure.
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