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nir: delete nir_opt_reuse_constants

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Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31031>
This commit is contained in:
Georg Lehmann 2024-09-04 22:04:12 +02:00 • committed by Marge Bot
parent 5ccee0fe83
commit bb7e8d51b6
3 changed files with 0 additions and 54 deletions
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1
src/compiler/nir/meson.build
View file

@ -253,7 +253,6 @@ files_libnir = files(
'nir_opt_reassociate_bfi.c',
'nir_opt_rematerialize_compares.c',
'nir_opt_remove_phis.c',
'nir_opt_reuse_constants.c',
'nir_opt_shrink_stores.c',
'nir_opt_shrink_vectors.c',
'nir_opt_sink.c',

2
src/compiler/nir/nir.h
View file

@ -6845,8 +6845,6 @@ bool nir_opt_ray_queries(nir_shader *shader);
bool nir_opt_ray_query_ranges(nir_shader *shader);
bool nir_opt_reuse_constants(nir_shader *shader);
void nir_sweep(nir_shader *shader);
void nir_remap_dual_slot_attributes(nir_shader *shader,

51
src/compiler/nir/nir_opt_reuse_constants.c
View file

@ -1,51 +0,0 @@
/*
* Copyright 2023 Intel Corporation
* SPDX-License-Identifier: MIT
*/
#include "nir.h"
#include "nir_instr_set.h"
bool
nir_opt_reuse_constants(nir_shader *shader)
{
bool progress = false;
struct set *consts = nir_instr_set_create(NULL);
nir_foreach_function_impl(impl, shader) {
_mesa_set_clear(consts, NULL);
nir_block *start_block = nir_start_block(impl);
bool func_progress = false;
nir_foreach_block_safe(block, impl) {
const bool in_start_block = start_block == block;
nir_foreach_instr_safe(instr, block) {
if (instr->type != nir_instr_type_load_const)
continue;
struct set_entry *entry = _mesa_set_search(consts, instr);
if (!entry) {
if (!in_start_block)
nir_instr_move(nir_after_block_before_jump(start_block), instr);
_mesa_set_add(consts, instr);
}
if (nir_instr_set_add_or_rewrite(consts, instr, nir_instrs_equal)) {
func_progress = true;
nir_instr_remove(instr);
}
}
}
if (func_progress) {
nir_metadata_preserve(impl, nir_metadata_control_flow);
progress = true;
} else {
nir_metadata_preserve(impl, nir_metadata_all);
}
}
nir_instr_set_destroy(consts);
return progress;
}