nir/large_constants: use nir_index_vars and nir_variable::index
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
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@ -179,19 +179,15 @@ nir_opt_large_constants(nir_shader *shader,
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/* This pass can only be run once */
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assert(shader->constant_data == NULL && shader->constant_data_size == 0);
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/* The index parameter is unused for local variables so we'll use it for
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* indexing into our array of variable metadata.
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*/
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unsigned num_locals = 0;
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nir_foreach_variable(var, &impl->locals)
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var->data.index = num_locals++;
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unsigned num_locals = exec_list_length(&impl->locals);
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nir_index_vars(shader, impl, nir_var_function_temp);
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if (num_locals == 0)
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return false;
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struct var_info *var_infos = ralloc_array(NULL, struct var_info, num_locals);
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nir_foreach_variable(var, &impl->locals) {
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var_infos[var->data.index] = (struct var_info) {
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var_infos[var->index] = (struct var_info) {
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.var = var,
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.is_constant = true,
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.found_read = false,
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@ -236,7 +232,7 @@ nir_opt_large_constants(nir_shader *shader,
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nir_variable *var = nir_deref_instr_get_variable(dst_deref);
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assert(var->data.mode == nir_var_function_temp);
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struct var_info *info = &var_infos[var->data.index];
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struct var_info *info = &var_infos[var->index];
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if (!info->is_constant)
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continue;
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@ -264,7 +260,7 @@ nir_opt_large_constants(nir_shader *shader,
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/* We only consider variables constant if all the reads are
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* dominated by the block that writes to it.
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*/
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struct var_info *info = &var_infos[var->data.index];
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struct var_info *info = &var_infos[var->index];
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if (!info->is_constant)
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continue;
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@ -286,7 +282,7 @@ nir_opt_large_constants(nir_shader *shader,
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struct var_info *info = &var_infos[i];
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/* Fix up indices after we sorted. */
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info->var->data.index = i;
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info->var->index = i;
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if (!info->is_constant)
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continue;
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@ -339,7 +335,7 @@ nir_opt_large_constants(nir_shader *shader,
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continue;
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nir_variable *var = nir_deref_instr_get_variable(deref);
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struct var_info *info = &var_infos[var->data.index];
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struct var_info *info = &var_infos[var->index];
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if (info->is_constant) {
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b.cursor = nir_after_instr(&intrin->instr);
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nir_ssa_def *val = build_constant_load(&b, deref, size_align);
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@ -357,7 +353,7 @@ nir_opt_large_constants(nir_shader *shader,
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continue;
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nir_variable *var = nir_deref_instr_get_variable(deref);
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struct var_info *info = &var_infos[var->data.index];
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struct var_info *info = &var_infos[var->index];
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if (info->is_constant) {
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nir_instr_remove(&intrin->instr);
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nir_deref_instr_remove_if_unused(deref);
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