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lavapipe: run nir_opt_copy_prop_vars during optimization loop

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this enables better elimination of operations

fixes:
dEQP-VK.graphicsfuzz.spv-stable-mergesort-flatten-selection-dead-continues

fixes #5458

cc: mesa-stable

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15322>
(cherry picked from commit cf5c32a4b2)
This commit is contained in:
Mike Blumenkrantz 2022-03-10 11:16:03 -05:00 • committed by Dylan Baker
parent 3c04049345
commit 41a8a3b0a0
2 changed files with 3 additions and 1 deletions
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2
.pick_status.json
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@ -751,7 +751,7 @@
"description": "lavapipe: run nir_opt_copy_prop_vars during optimization loop",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null
},

2
src/gallium/frontends/lavapipe/lvp_pipeline.c
View file

@ -606,6 +606,8 @@ lvp_shader_compile_to_ir(struct lvp_pipeline *pipeline,
NIR_PASS(progress, nir, nir_opt_deref);
NIR_PASS(progress, nir, nir_lower_vars_to_ssa);
NIR_PASS(progress, nir, nir_opt_copy_prop_vars);
NIR_PASS(progress, nir, nir_copy_prop);
NIR_PASS(progress, nir, nir_opt_dce);
NIR_PASS(progress, nir, nir_opt_peephole_select, 8, true, true);