https://bugs.freedesktop.org/show_bug.cgi?id=106774
--- Comment #4 from Ilia Mirkin <imir...@alum.mit.edu> ---
(In reply to Ian Romanick from comment #3)
> (In reply to Ilia Mirkin from comment #2)
> > Are you sure that's illegal? I'd imagine that you'd need that variable to be
> > marked as coherent, or to introduce a compiler barrier somehow.
>
> Legality isn't really relevant. The shader source contains one instance of
> a very, very expensive operation, and we decide to do it four times. That's
> unacceptable.
Oh wait. I totally misread. Copy propagate. And it does so ACROSS an atomic, no
less! That's definitely broken
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