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radv: call nir_opt_algebraic_late() after lowering idiv for small bitsizes

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This is needed because lower_idiv() introduces ineg again
which we'll remove next.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8425>
This commit is contained in:
Daniel Schürmann
2021-01-11 14:34:26 +01:00
committed by Marge Bot
parent 1ab9dd22a2
commit 987a0e6a67
1 changed files with 5 additions and 3 deletions
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src/amd/vulkan/radv_pipeline.c
+5 -3
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@@ -3367,9 +3367,11 @@ VkResult radv_create_shaders(struct radv_pipeline *pipeline,
}
if (nir_lower_bit_size(nir[i], lower_bit_size_callback, device)) {
nir_lower_idiv(nir[i], nir_lower_idiv_precise);
nir_opt_constant_folding(nir[i]);
nir_opt_dce(nir[i]);
// TODO: lower idiv beforehand
if (nir_lower_idiv(nir[i], nir_lower_idiv_precise))
NIR_PASS_V(nir[i], nir_opt_algebraic_late); /* needed for removing ineg again */
NIR_PASS_V(nir[i], nir_opt_constant_folding);
NIR_PASS_V(nir[i], nir_opt_dce);
}
if (device->physical_device->rad_info.chip_class >= GFX8)