[Mesa-dev] [Bug 111141] [REGRESSION] [BISECTED] [DXVK] 1-bit booleans and Elite Dangerous shader mis-optimization

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Jul 20 10:27:07 UTC 2019


--- Comment #11 from Steven Newbury <s_j_newbury at yahoo.co.uk> ---
(In reply to Jason Ekstrand from comment #9)

>  2. The optimization change caused NIR to generate a slightly different
> shader which exposed a bug in the AMD LLVM back-end or the NIR -> LLVM
> translator.
I did try it with ACO too - which resulted in excactly the same output, so that
suggests it isn't the LLVM back-end unless it's a fallback operation..?

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