mirror of https://gitlab.freedesktop.org/mesa/mesa
934 lines
29 KiB
C++
934 lines
29 KiB
C++
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file ir_validate.cpp
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*
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* Attempts to verify that various invariants of the IR tree are true.
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*
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* In particular, at the moment it makes sure that no single
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* ir_instruction node except for ir_variable appears multiple times
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* in the ir tree. ir_variable does appear multiple times: Once as a
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* declaration in an exec_list, and multiple times as the endpoint of
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* a dereference chain.
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*/
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#include "ir.h"
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#include "ir_hierarchical_visitor.h"
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#include "util/hash_table.h"
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#include "util/set.h"
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#include "glsl_types.h"
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namespace {
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class ir_validate : public ir_hierarchical_visitor {
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public:
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ir_validate()
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{
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this->ir_set = _mesa_set_create(NULL, _mesa_hash_pointer,
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_mesa_key_pointer_equal);
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this->current_function = NULL;
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this->callback_enter = ir_validate::validate_ir;
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this->data_enter = ir_set;
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}
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~ir_validate()
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{
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_mesa_set_destroy(this->ir_set, NULL);
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}
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virtual ir_visitor_status visit(ir_variable *v);
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virtual ir_visitor_status visit(ir_dereference_variable *ir);
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virtual ir_visitor_status visit_enter(ir_discard *ir);
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virtual ir_visitor_status visit_enter(ir_if *ir);
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virtual ir_visitor_status visit_enter(ir_function *ir);
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virtual ir_visitor_status visit_leave(ir_function *ir);
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virtual ir_visitor_status visit_enter(ir_function_signature *ir);
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virtual ir_visitor_status visit_leave(ir_expression *ir);
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virtual ir_visitor_status visit_leave(ir_swizzle *ir);
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virtual ir_visitor_status visit_enter(class ir_dereference_array *);
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virtual ir_visitor_status visit_enter(ir_assignment *ir);
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virtual ir_visitor_status visit_enter(ir_call *ir);
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static void validate_ir(ir_instruction *ir, void *data);
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ir_function *current_function;
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struct set *ir_set;
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};
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} /* anonymous namespace */
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ir_visitor_status
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ir_validate::visit(ir_dereference_variable *ir)
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{
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if ((ir->var == NULL) || (ir->var->as_variable() == NULL)) {
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printf("ir_dereference_variable @ %p does not specify a variable %p\n",
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(void *) ir, (void *) ir->var);
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abort();
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}
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if (_mesa_set_search(ir_set, ir->var) == NULL) {
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printf("ir_dereference_variable @ %p specifies undeclared variable "
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"`%s' @ %p\n",
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(void *) ir, ir->var->name, (void *) ir->var);
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abort();
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}
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this->validate_ir(ir, this->data_enter);
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_enter(class ir_dereference_array *ir)
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{
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if (!ir->array->type->is_array() && !ir->array->type->is_matrix()) {
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printf("ir_dereference_array @ %p does not specify an array or a "
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"matrix\n",
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(void *) ir);
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ir->print();
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printf("\n");
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abort();
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}
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if (!ir->array_index->type->is_scalar()) {
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printf("ir_dereference_array @ %p does not have scalar index: %s\n",
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(void *) ir, ir->array_index->type->name);
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abort();
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}
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if (!ir->array_index->type->is_integer()) {
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printf("ir_dereference_array @ %p does not have integer index: %s\n",
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(void *) ir, ir->array_index->type->name);
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abort();
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}
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_enter(ir_discard *ir)
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{
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if (ir->condition && ir->condition->type != glsl_type::bool_type) {
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printf("ir_discard condition %s type instead of bool.\n",
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ir->condition->type->name);
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ir->print();
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printf("\n");
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abort();
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}
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_enter(ir_if *ir)
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{
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if (ir->condition->type != glsl_type::bool_type) {
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printf("ir_if condition %s type instead of bool.\n",
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ir->condition->type->name);
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ir->print();
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printf("\n");
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abort();
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}
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_enter(ir_function *ir)
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{
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/* Function definitions cannot be nested.
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*/
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if (this->current_function != NULL) {
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printf("Function definition nested inside another function "
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"definition:\n");
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printf("%s %p inside %s %p\n",
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ir->name, (void *) ir,
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this->current_function->name, (void *) this->current_function);
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abort();
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}
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/* Store the current function hierarchy being traversed. This is used
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* by the function signature visitor to ensure that the signatures are
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* linked with the correct functions.
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*/
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this->current_function = ir;
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this->validate_ir(ir, this->data_enter);
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/* Verify that all of the things stored in the list of signatures are,
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* in fact, function signatures.
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*/
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foreach_in_list(ir_instruction, sig, &ir->signatures) {
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if (sig->ir_type != ir_type_function_signature) {
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printf("Non-signature in signature list of function `%s'\n",
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ir->name);
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abort();
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}
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}
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_leave(ir_function *ir)
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{
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assert(ralloc_parent(ir->name) == ir);
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this->current_function = NULL;
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_enter(ir_function_signature *ir)
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{
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if (this->current_function != ir->function()) {
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printf("Function signature nested inside wrong function "
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"definition:\n");
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printf("%p inside %s %p instead of %s %p\n",
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(void *) ir,
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this->current_function->name, (void *) this->current_function,
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ir->function_name(), (void *) ir->function());
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abort();
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}
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if (ir->return_type == NULL) {
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printf("Function signature %p for function %s has NULL return type.\n",
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(void *) ir, ir->function_name());
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abort();
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}
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this->validate_ir(ir, this->data_enter);
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return visit_continue;
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}
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ir_visitor_status
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ir_validate::visit_leave(ir_expression *ir)
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{
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switch (ir->operation) {
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case ir_unop_bit_not:
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assert(ir->operands[0]->type == ir->type);
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break;
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case ir_unop_logic_not:
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assert(ir->type->base_type == GLSL_TYPE_BOOL);
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
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break;
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case ir_unop_neg:
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case ir_unop_abs:
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case ir_unop_sign:
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case ir_unop_rcp:
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case ir_unop_rsq:
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case ir_unop_sqrt:
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assert(ir->type == ir->operands[0]->type);
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break;
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case ir_unop_exp:
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case ir_unop_log:
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case ir_unop_exp2:
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case ir_unop_log2:
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case ir_unop_saturate:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type == ir->operands[0]->type);
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break;
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case ir_unop_f2i:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_f2u:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type->base_type == GLSL_TYPE_UINT);
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break;
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case ir_unop_i2f:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
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assert(ir->type->base_type == GLSL_TYPE_FLOAT);
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break;
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case ir_unop_f2b:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type->base_type == GLSL_TYPE_BOOL);
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break;
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case ir_unop_b2f:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
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assert(ir->type->base_type == GLSL_TYPE_FLOAT);
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break;
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case ir_unop_i2b:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
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assert(ir->type->base_type == GLSL_TYPE_BOOL);
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break;
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case ir_unop_b2i:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_u2f:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
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assert(ir->type->base_type == GLSL_TYPE_FLOAT);
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break;
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case ir_unop_i2u:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
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assert(ir->type->base_type == GLSL_TYPE_UINT);
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break;
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case ir_unop_u2i:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_bitcast_i2f:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
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assert(ir->type->base_type == GLSL_TYPE_FLOAT);
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break;
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case ir_unop_bitcast_f2i:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_bitcast_u2f:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
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assert(ir->type->base_type == GLSL_TYPE_FLOAT);
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break;
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case ir_unop_bitcast_f2u:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type->base_type == GLSL_TYPE_UINT);
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break;
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case ir_unop_any:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
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assert(ir->type == glsl_type::bool_type);
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break;
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case ir_unop_trunc:
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case ir_unop_round_even:
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case ir_unop_ceil:
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case ir_unop_floor:
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case ir_unop_fract:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT ||
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ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->operands[0]->type == ir->type);
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break;
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case ir_unop_sin:
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case ir_unop_cos:
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case ir_unop_dFdx:
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case ir_unop_dFdx_coarse:
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case ir_unop_dFdx_fine:
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case ir_unop_dFdy:
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case ir_unop_dFdy_coarse:
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case ir_unop_dFdy_fine:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->operands[0]->type == ir->type);
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break;
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case ir_unop_pack_snorm_2x16:
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case ir_unop_pack_unorm_2x16:
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case ir_unop_pack_half_2x16:
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assert(ir->type == glsl_type::uint_type);
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assert(ir->operands[0]->type == glsl_type::vec2_type);
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break;
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case ir_unop_pack_snorm_4x8:
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case ir_unop_pack_unorm_4x8:
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assert(ir->type == glsl_type::uint_type);
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assert(ir->operands[0]->type == glsl_type::vec4_type);
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break;
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case ir_unop_pack_double_2x32:
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assert(ir->type == glsl_type::double_type);
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assert(ir->operands[0]->type == glsl_type::uvec2_type);
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break;
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case ir_unop_unpack_snorm_2x16:
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case ir_unop_unpack_unorm_2x16:
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case ir_unop_unpack_half_2x16:
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assert(ir->type == glsl_type::vec2_type);
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assert(ir->operands[0]->type == glsl_type::uint_type);
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break;
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case ir_unop_unpack_snorm_4x8:
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case ir_unop_unpack_unorm_4x8:
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assert(ir->type == glsl_type::vec4_type);
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assert(ir->operands[0]->type == glsl_type::uint_type);
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break;
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case ir_unop_unpack_half_2x16_split_x:
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case ir_unop_unpack_half_2x16_split_y:
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assert(ir->type == glsl_type::float_type);
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assert(ir->operands[0]->type == glsl_type::uint_type);
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break;
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case ir_unop_unpack_double_2x32:
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assert(ir->type == glsl_type::uvec2_type);
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assert(ir->operands[0]->type == glsl_type::double_type);
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break;
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case ir_unop_bitfield_reverse:
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assert(ir->operands[0]->type == ir->type);
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assert(ir->type->is_integer());
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break;
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case ir_unop_bit_count:
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case ir_unop_find_msb:
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case ir_unop_find_lsb:
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assert(ir->operands[0]->type->vector_elements == ir->type->vector_elements);
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assert(ir->operands[0]->type->is_integer());
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_noise:
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/* XXX what can we assert here? */
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break;
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case ir_unop_interpolate_at_centroid:
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assert(ir->operands[0]->type == ir->type);
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assert(ir->operands[0]->type->is_float());
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break;
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case ir_unop_d2f:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->type->base_type == GLSL_TYPE_FLOAT);
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break;
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case ir_unop_f2d:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
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assert(ir->type->base_type == GLSL_TYPE_DOUBLE);
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break;
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case ir_unop_d2i:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_i2d:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
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assert(ir->type->base_type == GLSL_TYPE_DOUBLE);
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break;
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case ir_unop_d2u:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->type->base_type == GLSL_TYPE_UINT);
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break;
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case ir_unop_u2d:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
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assert(ir->type->base_type == GLSL_TYPE_DOUBLE);
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break;
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case ir_unop_d2b:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->type->base_type == GLSL_TYPE_BOOL);
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break;
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case ir_unop_frexp_sig:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT ||
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ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->type->base_type == GLSL_TYPE_DOUBLE);
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break;
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case ir_unop_frexp_exp:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT ||
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ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_unop_subroutine_to_int:
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assert(ir->operands[0]->type->base_type == GLSL_TYPE_SUBROUTINE);
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assert(ir->type->base_type == GLSL_TYPE_INT);
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break;
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case ir_binop_add:
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case ir_binop_sub:
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case ir_binop_mul:
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case ir_binop_div:
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case ir_binop_mod:
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case ir_binop_min:
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case ir_binop_max:
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case ir_binop_pow:
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assert(ir->operands[0]->type->base_type ==
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ir->operands[1]->type->base_type);
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if (ir->operands[0]->type->is_scalar())
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assert(ir->operands[1]->type == ir->type);
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else if (ir->operands[1]->type->is_scalar())
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assert(ir->operands[0]->type == ir->type);
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else if (ir->operands[0]->type->is_vector() &&
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ir->operands[1]->type->is_vector()) {
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assert(ir->operands[0]->type == ir->operands[1]->type);
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assert(ir->operands[0]->type == ir->type);
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}
|
|
break;
|
|
|
|
case ir_binop_imul_high:
|
|
assert(ir->type == ir->operands[0]->type);
|
|
assert(ir->type == ir->operands[1]->type);
|
|
assert(ir->type->is_integer());
|
|
break;
|
|
|
|
case ir_binop_carry:
|
|
case ir_binop_borrow:
|
|
assert(ir->type == ir->operands[0]->type);
|
|
assert(ir->type == ir->operands[1]->type);
|
|
assert(ir->type->base_type == GLSL_TYPE_UINT);
|
|
break;
|
|
|
|
case ir_binop_less:
|
|
case ir_binop_greater:
|
|
case ir_binop_lequal:
|
|
case ir_binop_gequal:
|
|
case ir_binop_equal:
|
|
case ir_binop_nequal:
|
|
/* The semantics of the IR operators differ from the GLSL <, >, <=, >=,
|
|
* ==, and != operators. The IR operators perform a component-wise
|
|
* comparison on scalar or vector types and return a boolean scalar or
|
|
* vector type of the same size.
|
|
*/
|
|
assert(ir->type->base_type == GLSL_TYPE_BOOL);
|
|
assert(ir->operands[0]->type == ir->operands[1]->type);
|
|
assert(ir->operands[0]->type->is_vector()
|
|
|| ir->operands[0]->type->is_scalar());
|
|
assert(ir->operands[0]->type->vector_elements
|
|
== ir->type->vector_elements);
|
|
break;
|
|
|
|
case ir_binop_all_equal:
|
|
case ir_binop_any_nequal:
|
|
/* GLSL == and != operate on scalars, vectors, matrices and arrays, and
|
|
* return a scalar boolean. The IR matches that.
|
|
*/
|
|
assert(ir->type == glsl_type::bool_type);
|
|
assert(ir->operands[0]->type == ir->operands[1]->type);
|
|
break;
|
|
|
|
case ir_binop_lshift:
|
|
case ir_binop_rshift:
|
|
assert(ir->operands[0]->type->is_integer() &&
|
|
ir->operands[1]->type->is_integer());
|
|
if (ir->operands[0]->type->is_scalar()) {
|
|
assert(ir->operands[1]->type->is_scalar());
|
|
}
|
|
if (ir->operands[0]->type->is_vector() &&
|
|
ir->operands[1]->type->is_vector()) {
|
|
assert(ir->operands[0]->type->components() ==
|
|
ir->operands[1]->type->components());
|
|
}
|
|
assert(ir->type == ir->operands[0]->type);
|
|
break;
|
|
|
|
case ir_binop_bit_and:
|
|
case ir_binop_bit_xor:
|
|
case ir_binop_bit_or:
|
|
assert(ir->operands[0]->type->base_type ==
|
|
ir->operands[1]->type->base_type);
|
|
assert(ir->type->is_integer());
|
|
if (ir->operands[0]->type->is_vector() &&
|
|
ir->operands[1]->type->is_vector()) {
|
|
assert(ir->operands[0]->type->vector_elements ==
|
|
ir->operands[1]->type->vector_elements);
|
|
}
|
|
break;
|
|
|
|
case ir_binop_logic_and:
|
|
case ir_binop_logic_xor:
|
|
case ir_binop_logic_or:
|
|
assert(ir->type->base_type == GLSL_TYPE_BOOL);
|
|
assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
|
|
assert(ir->operands[1]->type->base_type == GLSL_TYPE_BOOL);
|
|
break;
|
|
|
|
case ir_binop_dot:
|
|
assert(ir->type == glsl_type::float_type ||
|
|
ir->type == glsl_type::double_type);
|
|
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT ||
|
|
ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
|
|
assert(ir->operands[0]->type->is_vector());
|
|
assert(ir->operands[0]->type == ir->operands[1]->type);
|
|
break;
|
|
|
|
case ir_binop_pack_half_2x16_split:
|
|
assert(ir->type == glsl_type::uint_type);
|
|
assert(ir->operands[0]->type == glsl_type::float_type);
|
|
assert(ir->operands[1]->type == glsl_type::float_type);
|
|
break;
|
|
|
|
case ir_binop_bfm:
|
|
assert(ir->type->is_integer());
|
|
assert(ir->operands[0]->type->is_integer());
|
|
assert(ir->operands[1]->type->is_integer());
|
|
break;
|
|
|
|
case ir_binop_ubo_load:
|
|
assert(ir->operands[0]->type == glsl_type::uint_type);
|
|
|
|
assert(ir->operands[1]->type == glsl_type::uint_type);
|
|
break;
|
|
|
|
case ir_binop_ldexp:
|
|
assert(ir->operands[0]->type == ir->type);
|
|
assert(ir->operands[0]->type->is_float() ||
|
|
ir->operands[0]->type->is_double());
|
|
assert(ir->operands[1]->type->base_type == GLSL_TYPE_INT);
|
|
assert(ir->operands[0]->type->components() ==
|
|
ir->operands[1]->type->components());
|
|
break;
|
|
|
|
case ir_binop_vector_extract:
|
|
assert(ir->operands[0]->type->is_vector());
|
|
assert(ir->operands[1]->type->is_scalar()
|
|
&& ir->operands[1]->type->is_integer());
|
|
break;
|
|
|
|
case ir_binop_interpolate_at_offset:
|
|
assert(ir->operands[0]->type == ir->type);
|
|
assert(ir->operands[0]->type->is_float());
|
|
assert(ir->operands[1]->type->components() == 2);
|
|
assert(ir->operands[1]->type->is_float());
|
|
break;
|
|
|
|
case ir_binop_interpolate_at_sample:
|
|
assert(ir->operands[0]->type == ir->type);
|
|
assert(ir->operands[0]->type->is_float());
|
|
assert(ir->operands[1]->type == glsl_type::int_type);
|
|
break;
|
|
|
|
case ir_triop_fma:
|
|
assert(ir->type->base_type == GLSL_TYPE_FLOAT ||
|
|
ir->type->base_type == GLSL_TYPE_DOUBLE);
|
|
assert(ir->type == ir->operands[0]->type);
|
|
assert(ir->type == ir->operands[1]->type);
|
|
assert(ir->type == ir->operands[2]->type);
|
|
break;
|
|
|
|
case ir_triop_lrp:
|
|
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT ||
|
|
ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
|
|
assert(ir->operands[0]->type == ir->operands[1]->type);
|
|
assert(ir->operands[2]->type == ir->operands[0]->type ||
|
|
ir->operands[2]->type == glsl_type::float_type ||
|
|
ir->operands[2]->type == glsl_type::double_type);
|
|
break;
|
|
|
|
case ir_triop_csel:
|
|
assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
|
|
assert(ir->type->vector_elements == ir->operands[0]->type->vector_elements);
|
|
assert(ir->type == ir->operands[1]->type);
|
|
assert(ir->type == ir->operands[2]->type);
|
|
break;
|
|
|
|
case ir_triop_bfi:
|
|
assert(ir->operands[0]->type->is_integer());
|
|
assert(ir->operands[1]->type == ir->operands[2]->type);
|
|
assert(ir->operands[1]->type == ir->type);
|
|
break;
|
|
|
|
case ir_triop_bitfield_extract:
|
|
assert(ir->operands[0]->type == ir->type);
|
|
assert(ir->operands[1]->type == glsl_type::int_type);
|
|
assert(ir->operands[2]->type == glsl_type::int_type);
|
|
break;
|
|
|
|
case ir_triop_vector_insert:
|
|
assert(ir->operands[0]->type->is_vector());
|
|
assert(ir->operands[1]->type->is_scalar());
|
|
assert(ir->operands[0]->type->base_type == ir->operands[1]->type->base_type);
|
|
assert(ir->operands[2]->type->is_scalar()
|
|
&& ir->operands[2]->type->is_integer());
|
|
assert(ir->type == ir->operands[0]->type);
|
|
break;
|
|
|
|
case ir_quadop_bitfield_insert:
|
|
assert(ir->operands[0]->type == ir->type);
|
|
assert(ir->operands[1]->type == ir->type);
|
|
assert(ir->operands[2]->type == glsl_type::int_type);
|
|
assert(ir->operands[3]->type == glsl_type::int_type);
|
|
break;
|
|
|
|
case ir_quadop_vector:
|
|
/* The vector operator collects some number of scalars and generates a
|
|
* vector from them.
|
|
*
|
|
* - All of the operands must be scalar.
|
|
* - Number of operands must matche the size of the resulting vector.
|
|
* - Base type of the operands must match the base type of the result.
|
|
*/
|
|
assert(ir->type->is_vector());
|
|
switch (ir->type->vector_elements) {
|
|
case 2:
|
|
assert(ir->operands[0]->type->is_scalar());
|
|
assert(ir->operands[0]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[1]->type->is_scalar());
|
|
assert(ir->operands[1]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[2] == NULL);
|
|
assert(ir->operands[3] == NULL);
|
|
break;
|
|
case 3:
|
|
assert(ir->operands[0]->type->is_scalar());
|
|
assert(ir->operands[0]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[1]->type->is_scalar());
|
|
assert(ir->operands[1]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[2]->type->is_scalar());
|
|
assert(ir->operands[2]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[3] == NULL);
|
|
break;
|
|
case 4:
|
|
assert(ir->operands[0]->type->is_scalar());
|
|
assert(ir->operands[0]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[1]->type->is_scalar());
|
|
assert(ir->operands[1]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[2]->type->is_scalar());
|
|
assert(ir->operands[2]->type->base_type == ir->type->base_type);
|
|
assert(ir->operands[3]->type->is_scalar());
|
|
assert(ir->operands[3]->type->base_type == ir->type->base_type);
|
|
break;
|
|
default:
|
|
/* The is_vector assertion above should prevent execution from ever
|
|
* getting here.
|
|
*/
|
|
assert(!"Should not get here.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return visit_continue;
|
|
}
|
|
|
|
ir_visitor_status
|
|
ir_validate::visit_leave(ir_swizzle *ir)
|
|
{
|
|
unsigned int chans[4] = {ir->mask.x, ir->mask.y, ir->mask.z, ir->mask.w};
|
|
|
|
for (unsigned int i = 0; i < ir->type->vector_elements; i++) {
|
|
if (chans[i] >= ir->val->type->vector_elements) {
|
|
printf("ir_swizzle @ %p specifies a channel not present "
|
|
"in the value.\n", (void *) ir);
|
|
ir->print();
|
|
abort();
|
|
}
|
|
}
|
|
|
|
return visit_continue;
|
|
}
|
|
|
|
ir_visitor_status
|
|
ir_validate::visit(ir_variable *ir)
|
|
{
|
|
/* An ir_variable is the one thing that can (and will) appear multiple times
|
|
* in an IR tree. It is added to the hashtable so that it can be used
|
|
* in the ir_dereference_variable handler to ensure that a variable is
|
|
* declared before it is dereferenced.
|
|
*/
|
|
if (ir->name && ir->is_name_ralloced())
|
|
assert(ralloc_parent(ir->name) == ir);
|
|
|
|
_mesa_set_add(ir_set, ir);
|
|
|
|
/* If a variable is an array, verify that the maximum array index is in
|
|
* bounds. There was once an error in AST-to-HIR conversion that set this
|
|
* to be out of bounds.
|
|
*/
|
|
if (ir->type->array_size() > 0) {
|
|
if (ir->data.max_array_access >= ir->type->length) {
|
|
printf("ir_variable has maximum access out of bounds (%d vs %d)\n",
|
|
ir->data.max_array_access, ir->type->length - 1);
|
|
ir->print();
|
|
abort();
|
|
}
|
|
}
|
|
|
|
/* If a variable is an interface block (or an array of interface blocks),
|
|
* verify that the maximum array index for each interface member is in
|
|
* bounds.
|
|
*/
|
|
if (ir->is_interface_instance()) {
|
|
const glsl_struct_field *fields =
|
|
ir->get_interface_type()->fields.structure;
|
|
for (unsigned i = 0; i < ir->get_interface_type()->length; i++) {
|
|
if (fields[i].type->array_size() > 0) {
|
|
const unsigned *const max_ifc_array_access =
|
|
ir->get_max_ifc_array_access();
|
|
|
|
assert(max_ifc_array_access != NULL);
|
|
|
|
if (max_ifc_array_access[i] >= fields[i].type->length) {
|
|
printf("ir_variable has maximum access out of bounds for "
|
|
"field %s (%d vs %d)\n", fields[i].name,
|
|
max_ifc_array_access[i], fields[i].type->length);
|
|
ir->print();
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ir->constant_initializer != NULL && !ir->data.has_initializer) {
|
|
printf("ir_variable didn't have an initializer, but has a constant "
|
|
"initializer value.\n");
|
|
ir->print();
|
|
abort();
|
|
}
|
|
|
|
if (ir->data.mode == ir_var_uniform
|
|
&& is_gl_identifier(ir->name)
|
|
&& ir->get_state_slots() == NULL) {
|
|
printf("built-in uniform has no state\n");
|
|
ir->print();
|
|
abort();
|
|
}
|
|
|
|
return visit_continue;
|
|
}
|
|
|
|
ir_visitor_status
|
|
ir_validate::visit_enter(ir_assignment *ir)
|
|
{
|
|
const ir_dereference *const lhs = ir->lhs;
|
|
if (lhs->type->is_scalar() || lhs->type->is_vector()) {
|
|
if (ir->write_mask == 0) {
|
|
printf("Assignment LHS is %s, but write mask is 0:\n",
|
|
lhs->type->is_scalar() ? "scalar" : "vector");
|
|
ir->print();
|
|
abort();
|
|
}
|
|
|
|
int lhs_components = 0;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (ir->write_mask & (1 << i))
|
|
lhs_components++;
|
|
}
|
|
|
|
if (lhs_components != ir->rhs->type->vector_elements) {
|
|
printf("Assignment count of LHS write mask channels enabled not\n"
|
|
"matching RHS vector size (%d LHS, %d RHS).\n",
|
|
lhs_components, ir->rhs->type->vector_elements);
|
|
ir->print();
|
|
abort();
|
|
}
|
|
}
|
|
|
|
this->validate_ir(ir, this->data_enter);
|
|
|
|
return visit_continue;
|
|
}
|
|
|
|
ir_visitor_status
|
|
ir_validate::visit_enter(ir_call *ir)
|
|
{
|
|
ir_function_signature *const callee = ir->callee;
|
|
|
|
if (callee->ir_type != ir_type_function_signature) {
|
|
printf("IR called by ir_call is not ir_function_signature!\n");
|
|
abort();
|
|
}
|
|
|
|
if (ir->return_deref) {
|
|
if (ir->return_deref->type != callee->return_type) {
|
|
printf("callee type %s does not match return storage type %s\n",
|
|
callee->return_type->name, ir->return_deref->type->name);
|
|
abort();
|
|
}
|
|
} else if (callee->return_type != glsl_type::void_type) {
|
|
printf("ir_call has non-void callee but no return storage\n");
|
|
abort();
|
|
}
|
|
|
|
const exec_node *formal_param_node = callee->parameters.head;
|
|
const exec_node *actual_param_node = ir->actual_parameters.head;
|
|
while (true) {
|
|
if (formal_param_node->is_tail_sentinel()
|
|
!= actual_param_node->is_tail_sentinel()) {
|
|
printf("ir_call has the wrong number of parameters:\n");
|
|
goto dump_ir;
|
|
}
|
|
if (formal_param_node->is_tail_sentinel()) {
|
|
break;
|
|
}
|
|
const ir_variable *formal_param
|
|
= (const ir_variable *) formal_param_node;
|
|
const ir_rvalue *actual_param
|
|
= (const ir_rvalue *) actual_param_node;
|
|
if (formal_param->type != actual_param->type) {
|
|
printf("ir_call parameter type mismatch:\n");
|
|
goto dump_ir;
|
|
}
|
|
if (formal_param->data.mode == ir_var_function_out
|
|
|| formal_param->data.mode == ir_var_function_inout) {
|
|
if (!actual_param->is_lvalue()) {
|
|
printf("ir_call out/inout parameters must be lvalues:\n");
|
|
goto dump_ir;
|
|
}
|
|
}
|
|
formal_param_node = formal_param_node->next;
|
|
actual_param_node = actual_param_node->next;
|
|
}
|
|
|
|
return visit_continue;
|
|
|
|
dump_ir:
|
|
ir->print();
|
|
printf("callee:\n");
|
|
callee->print();
|
|
abort();
|
|
return visit_stop;
|
|
}
|
|
|
|
void
|
|
ir_validate::validate_ir(ir_instruction *ir, void *data)
|
|
{
|
|
struct set *ir_set = (struct set *) data;
|
|
|
|
if (_mesa_set_search(ir_set, ir)) {
|
|
printf("Instruction node present twice in ir tree:\n");
|
|
ir->print();
|
|
printf("\n");
|
|
abort();
|
|
}
|
|
_mesa_set_add(ir_set, ir);
|
|
}
|
|
|
|
void
|
|
check_node_type(ir_instruction *ir, void *data)
|
|
{
|
|
(void) data;
|
|
|
|
if (ir->ir_type >= ir_type_max) {
|
|
printf("Instruction node with unset type\n");
|
|
ir->print(); printf("\n");
|
|
}
|
|
ir_rvalue *value = ir->as_rvalue();
|
|
if (value != NULL)
|
|
assert(value->type != glsl_type::error_type);
|
|
}
|
|
|
|
void
|
|
validate_ir_tree(exec_list *instructions)
|
|
{
|
|
/* We shouldn't have any reason to validate IR in a release build,
|
|
* and it's half composed of assert()s anyway which wouldn't do
|
|
* anything.
|
|
*/
|
|
#ifdef DEBUG
|
|
ir_validate v;
|
|
|
|
v.run(instructions);
|
|
|
|
foreach_in_list(ir_instruction, ir, instructions) {
|
|
visit_tree(ir, check_node_type, NULL);
|
|
}
|
|
#endif
|
|
}
|