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mesa/src/intel/compiler
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Ian Romanick df704bd38e
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elk: Call nir_opt_algebraic_late in elk_postprocess_nir 
Make sure that lowering undone in elk_nir_optimize are reapplied.

No shader-db or fossil-db changes on any Intel platform. This is most
likely to impact either Gfx8 on ANV or Gfx7.5 on HASVK. I don't
fossil-db test either of those platforms.

I tried doing a similar thing here as is done in BRW (previous commit),
but that caused a couple Haswell shaders to fall off a performance
cliff:

total spills in shared programs: 8247 -> 8311 (0.78%)
spills in affected programs: 6 -> 70 (1066.67%)
helped: 0 / HURT: 2

total fills in shared programs: 8558 -> 8910 (4.11%)
fills in affected programs: 6 -> 358 (5866.67%)
helped: 0 / HURT: 2

Fixes: 442daeb54a ("nir/opt_algebraic: use fcanonicalize")
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39567>
2026-02-14 02:06:59 +00:00
..
brw brw: Call nir_opt_algebraic_late later in brw_postprocess_nir_opts 2026-02-14 02:06:59 +00:00
elk elk: Call nir_opt_algebraic_late in elk_postprocess_nir 2026-02-14 02:06:59 +00:00
brw_device_sha1_gen_c.py intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
brw_list.h intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_gfx_ver_enum.h intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir.c intel/compiler: Use nir_split_conversions() 2025-04-07 17:45:21 -05:00
intel_nir.h brw: add support for separate tessellation shader compilation 2025-09-05 07:46:17 +00:00
intel_nir_blockify_uniform_loads.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_clamp_image_1d_2d_array_sizes.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_clamp_per_vertex_loads.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_lower_non_uniform_barycentric_at_sample.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_lower_non_uniform_resource_intel.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_lower_printf.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_lower_shading_rate_output.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_lower_sparse.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_opt_peephole_ffma.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_opt_peephole_imul32x16.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_nir_tcs_workarounds.c intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_prim.h intel/compiler: Use SPDX annotations 2026-01-24 20:37:31 +00:00
intel_shader_enums.h anv: add a couple of surfaces to read descriptors 2026-02-12 16:45:25 +00:00
meson.build brw: Move into a new src/intel/compiler/brw subdirectory 2025-10-09 07:01:47 +00:00