[Mesa-dev] [PATCH v3 1/8] nir: evaluate if condition uses inside the if branches

Dieter Nützel Dieter at nuetzel-hh.de
Mon Jul 30 03:24:48 UTC 2018

For the series

Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>

with glmark2, glxgears, UH, UV, Blender 2.79 and FreeCAD 0.17

on RX 580.

With UH I saw some small light blue triangles spreading around.
Have to bisect which patch set was the culprit. (If I have some time.)
Tried your's above
configure-bump-libdrm-for-AMDGPU-to-2.4.92.mbox (Samuel)
ASTC-texture-compression-for-all-Gallium-drivers.mbox (Marek)


Am 28.07.2018 03:07, schrieb Timothy Arceri:
> On 28/07/18 11:06, Timothy Arceri wrote:
>> Since we know what side of the branch we ended up on we can just
>> replace the use with a constant.
>> All the spill changes in shader-db are from Dolphin uber shaders,
>> despite some small regressions the change is clearly positive.
>> V2: insert new constant after any phis in the
>>      use->parent_instr->type == nir_instr_type_phi path.
> Meh this was meant to be V3
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