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a89a9b65f8
Signed-off-by: Simon Perretta <simon.perretta@imgtec.com> Acked-by: Frank Binns <frank.binns@imgtec.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32258>
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* Copyright © 2024 Imagination Technologies Ltd.
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*
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* SPDX-License-Identifier: MIT
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*/
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/**
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* \file pco_index.c
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*
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* \brief PCO indexing pass.
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*/
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#include "pco.h"
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#include "pco_internal.h"
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#include "util/hash_table.h"
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#include "util/macros.h"
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#include "util/ralloc.h"
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#include <assert.h>
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#include <stdbool.h>
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/**
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* \brief Indexes all shader child structures.
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*
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* \param[in,out] shader PCO shader.
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* \param[in] skip_ssa Whether to skip SSA indexing.
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* \return True if the pass made progress.
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*/
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bool pco_index(pco_shader *shader, bool skip_ssa)
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{
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/* TODO */
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if (shader->is_grouped)
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return false;
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shader->next_func = 0;
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pco_foreach_func_in_shader (func, shader) {
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unsigned *ssa_idx_map = NULL;
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if (!skip_ssa) {
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ssa_idx_map =
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rzalloc_array_size(NULL, sizeof(*ssa_idx_map), func->next_ssa);
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}
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func->index = shader->next_func++;
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func->next_instr = 0;
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func->next_block = 0;
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struct hash_table_u64 *vec_infos = NULL;
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if (!skip_ssa) {
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func->next_ssa = 0;
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vec_infos = _mesa_hash_table_u64_create(func);
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}
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pco_foreach_block_in_func (block, func) {
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block->index = func->next_block++;
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pco_foreach_instr_in_block (instr, block) {
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instr->index = func->next_instr++;
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if (!skip_ssa) {
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pco_foreach_instr_dest_ssa (pdest, instr) {
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ssa_idx_map[pdest->val] = func->next_ssa++;
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if (instr->op == PCO_OP_VEC) {
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pco_vec_info *vec_info =
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_mesa_hash_table_u64_search(func->vec_infos,
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pdest->val);
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ralloc_steal(vec_infos, vec_info);
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_mesa_hash_table_u64_insert(vec_infos,
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ssa_idx_map[pdest->val],
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vec_info);
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}
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pdest->val = ssa_idx_map[pdest->val];
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}
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}
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}
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}
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if (!skip_ssa) {
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pco_foreach_instr_in_func (instr, func) {
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pco_foreach_instr_src_ssa (psrc, instr) {
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psrc->val = ssa_idx_map[psrc->val];
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}
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}
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}
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/* TODO: */
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/* pco_foreach_if_in_func */
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/* pco_foreach_loop_in_func */
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if (!skip_ssa) {
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_mesa_hash_table_u64_destroy(func->vec_infos);
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func->vec_infos = vec_infos;
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ralloc_free(ssa_idx_map);
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}
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}
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return true;
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}
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