[Bug 97988] [radeonsi] playing back videos with VDPAU exhibits deinterlacing/anti-aliasing issues not visible with VA-API

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97988

--- Comment #15 from Marek Olšák <maraeo at gmail.com> ---
Created attachment 126996
  --> https://bugs.freedesktop.org/attachment.cgi?id=126996&action=edit
piglit test

The attached test reproduces the issue. CFGSimplificationPass is the culprit.

Note that CFGSimplificationPass also doesn't preserve the !amdgpu.uniform
metadata when transforming the loads, which is a change in behavior.

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