[Bug 109216] 4-27% performance drop in Vulkan benchmarks

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109216

--- Comment #15 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Ian Romanick from comment #14)
> Created attachment 143048 [details] [review]
> intel/compiler: Try nir_opt_if once before nir_opt_peephole_select

This patch fixes the smaller perf regressions in (nbody & raytracing) compute
tests, but it doesn't help at all with the largest regression, in Deferred
Multisampling.

(Aztec Ruins I couldn't test due to bug 109304.)

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