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radv: Move radv_optimize_nir_algebraic to a separate function.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11711>
This commit is contained in:
Timur Kristóf
2021-07-05 09:05:43 +02:00
parent 00d11c2065
commit fd64c18214
3 changed files with 35 additions and 29 deletions
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30
src/amd/vulkan/radv_pipeline.c
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@@ -3449,35 +3449,7 @@ radv_create_shaders(struct radv_pipeline *pipeline, struct radv_device *device,
if (lowered_ngg)
radv_lower_ngg(device, nir[i], &infos[i], pipeline_key, &keys[i]);
/* optimize the lowered ALU operations */
bool more_algebraic = true;
while (more_algebraic) {
more_algebraic = false;
NIR_PASS_V(nir[i], nir_copy_prop);
NIR_PASS_V(nir[i], nir_opt_dce);
NIR_PASS_V(nir[i], nir_opt_constant_folding);
NIR_PASS_V(nir[i], nir_opt_cse);
NIR_PASS(more_algebraic, nir[i], nir_opt_algebraic);
}
if (io_to_mem || lowered_ngg || i == MESA_SHADER_COMPUTE)
NIR_PASS_V(nir[i], nir_opt_offsets);
/* Do late algebraic optimization to turn add(a,
* neg(b)) back into subs, then the mandatory cleanup
* after algebraic. Note that it may produce fnegs,
* and if so then we need to keep running to squash
* fneg(fneg(a)).
*/
bool more_late_algebraic = true;
while (more_late_algebraic) {
more_late_algebraic = false;
NIR_PASS(more_late_algebraic, nir[i], nir_opt_algebraic_late);
NIR_PASS_V(nir[i], nir_opt_constant_folding);
NIR_PASS_V(nir[i], nir_copy_prop);
NIR_PASS_V(nir[i], nir_opt_dce);
NIR_PASS_V(nir[i], nir_opt_cse);
}
radv_optimize_nir_algebraic(nir[i], io_to_mem || lowered_ngg || i == MESA_SHADER_COMPUTE);
if (nir[i]->info.bit_sizes_int & (8 | 16)) {
if (device->physical_device->rad_info.chip_class >= GFX8) {