[Bug 92234] [BDW] GPU hang in Shogun2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92234

--- Comment #2 from pavel.e.popov at intel.com ---
As I said previously I see hangs on Total War: Napoleon” and “Total War:
Empire” traces on BDW with Mesa 10.6. I tried to revert commit "nir: Recognize
(a < c || b < c) as min(a, b) < c." but without success.

So I tried to removed all optimizations in nir_opt_algebraic.py:
no hangs were observed on “Total War: Napoleon”
hangs were still observed on “Total War: Empire”.

Somehow NIR optimizations from nir_opt_algebraic.py lead to hangs in “Total
War: Napoleon”. Looks like Pavel Ondračka observed the similar issue with
"Total War: Shogun2".

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