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nir: use nir_shader_instructions_pass in nir_lower_64bit_phis

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No functional changes.

Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12282>
This commit is contained in:
Marcin Ślusarz
2021-08-09 14:36:46 +02:00
committed by Marge Bot
parent ea39efe9b8
commit c7078fe4e0
1 changed files with 13 additions and 34 deletions
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47
src/compiler/nir/nir_lower_bit_size.c
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@@ -329,47 +329,26 @@ split_phi(nir_builder *b, nir_phi_instr *phi)
}
static bool
lower_64bit_phi_impl(nir_function_impl *impl)
lower_64bit_phi_instr(nir_builder *b, nir_instr *instr, UNUSED void *cb_data)
{
nir_builder b;
nir_builder_init(&b, impl);
bool progress = false;
if (instr->type != nir_instr_type_phi)
return false;
nir_foreach_block(block, impl) {
nir_foreach_instr_safe(instr, block) {
if (instr->type != nir_instr_type_phi)
break;
nir_phi_instr *phi = nir_instr_as_phi(instr);
assert(phi->dest.is_ssa);
nir_phi_instr *phi = nir_instr_as_phi(instr);
assert(phi->dest.is_ssa);
if (phi->dest.ssa.bit_size <= 32)
return false;
if (phi->dest.ssa.bit_size <= 32)
continue;
split_phi(&b, phi);
progress = true;
}
}
if (progress) {
nir_metadata_preserve(impl, nir_metadata_block_index |
nir_metadata_dominance);
} else {
nir_metadata_preserve(impl, nir_metadata_all);
}
return progress;
split_phi(b, phi);
return true;
}
bool
nir_lower_64bit_phis(nir_shader *shader)
{
bool progress = false;
nir_foreach_function(function, shader) {
if (function->impl)
progress |= lower_64bit_phi_impl(function->impl);
}
return progress;
return nir_shader_instructions_pass(shader, lower_64bit_phi_instr,
nir_metadata_block_index |
nir_metadata_dominance,
NULL);
}