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nir/opt_phi_precision: use nir_shader_phi_pass

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Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33672>
This commit is contained in:
Georg Lehmann 2025-02-22 13:07:49 +01:00 • committed by Marge Bot
parent 5a0702f351
commit e4f0de89a5
1 changed files with 3 additions and 20 deletions
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23
src/compiler/nir/nir_opt_phi_precision.c
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@ -427,7 +427,7 @@ try_move_widening_src(nir_builder *b, nir_phi_instr *phi)
}
static bool
lower_phi(nir_builder *b, nir_phi_instr *phi)
opt_phi_precision(nir_builder *b, nir_phi_instr *phi, void *unused)
{
bool progress = try_move_narrowing_dst(b, phi);
if (!progress)
@ -438,8 +438,6 @@ lower_phi(nir_builder *b, nir_phi_instr *phi)
bool
nir_opt_phi_precision(nir_shader *shader)
{
bool progress = false;
/* If 8b or 16b bit_sizes are not used, no point to run this pass: */
unsigned bit_sizes_used = shader->info.bit_sizes_float |
shader->info.bit_sizes_int;
@ -450,21 +448,6 @@ nir_opt_phi_precision(nir_shader *shader)
if (bit_sizes_used && !(bit_sizes_used & (8 | 16)))
return false;
nir_foreach_function_impl(impl, shader) {
nir_builder b = nir_builder_create(impl);
nir_foreach_block(block, impl) {
nir_foreach_phi_safe(phi, block)
progress |= lower_phi(&b, phi);
}
if (progress) {
nir_metadata_preserve(impl,
nir_metadata_control_flow);
} else {
nir_metadata_preserve(impl, nir_metadata_all);
}
}
return progress;
return nir_shader_phi_pass(shader, opt_phi_precision,
nir_metadata_control_flow, NULL);
}