[Bug 100913] 6% performance drop in GpuTest v0.7 Volplosion with "remove GLSL IR optimisation loop"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100913

--- Comment #3 from Kenneth Graunke <kenneth at whitecape.org> ---
(In reply to Matt Turner from comment #2)
> Looks like this regression could/should have been caught by shader-db:
> 
> LOST:   shaders/closed/gputest/volplosion/7.shader_test FS SIMD16

Sorry about that - I saw 48 LOST and 48 GAINED in a random assortment of
programs and didn't think much of it.  There are always some teetering on the
edge, and most of them aren't crazy ALU-bound like volplosion where it makes
such a large difference.

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