+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file ir_dead_code.cpp
- *
- * Eliminates dead assignments and variable declarations from the code.
- */
-
-#define NULL 0
-#include "ir.h"
-#include "ir_visitor.h"
-#include "ir_visit_tree.h"
-
-class ir_tree_visitor : public ir_visitor {
-public:
-
- /**
- * \name Visit methods
- *
- * As typical for the visitor pattern, there must be one \c visit method for
- * each concrete subclass of \c ir_instruction. Virtual base classes within
- * the hierarchy should not have \c visit methods.
- */
- /*@{*/
- virtual void visit(ir_variable *);
- virtual void visit(ir_loop *);
- virtual void visit(ir_loop_jump *);
- virtual void visit(ir_function_signature *);
- virtual void visit(ir_function *);
- virtual void visit(ir_expression *);
- virtual void visit(ir_swizzle *);
- virtual void visit(ir_dereference *);
- virtual void visit(ir_assignment *);
- virtual void visit(ir_constant *);
- virtual void visit(ir_call *);
- virtual void visit(ir_return *);
- virtual void visit(ir_if *);
- /*@}*/
-
- void (*callback)(ir_instruction *ir, void *data);
- void *data;
-};
-
-void
-ir_tree_visitor::visit(ir_variable *ir)
-{
- this->callback(ir, this->data);
-}
-
-
-void
-ir_tree_visitor::visit(ir_loop *ir)
-{
- this->callback(ir, this->data);
-
- visit_exec_list(&ir->body_instructions, this);
- if (ir->from)
- ir->from->accept(this);
- if (ir->to)
- ir->to->accept(this);
- if (ir->increment)
- ir->increment->accept(this);
-}
-
-void
-ir_tree_visitor::visit(ir_loop_jump *ir)
-{
- this->callback(ir, this->data);
-}
-
-
-void
-ir_tree_visitor::visit(ir_function_signature *ir)
-{
- this->callback(ir, this->data);
-
- visit_exec_list(&ir->body, this);
-}
-
-void
-ir_tree_visitor::visit(ir_function *ir)
-{
- this->callback(ir, this->data);
-
- /* FINISHME: Do we want to walk into functions? */
-}
-
-void
-ir_tree_visitor::visit(ir_expression *ir)
-{
- unsigned int operand;
-
- this->callback(ir, this->data);
-
- for (operand = 0; operand < ir->get_num_operands(); operand++) {
- ir->operands[operand]->accept(this);
- }
-}
-
-
-void
-ir_tree_visitor::visit(ir_swizzle *ir)
-{
- this->callback(ir, this->data);
-
- ir->val->accept(this);
-}
-
-
-void
-ir_tree_visitor::visit(ir_dereference *ir)
-{
- this->callback(ir, this->data);
-
- if (ir->mode == ir_dereference::ir_reference_array) {
- ir->selector.array_index->accept(this);
- }
- ir->var->accept(this);
-}
-
-void
-ir_tree_visitor::visit(ir_assignment *ir)
-{
- this->callback(ir, this->data);
-
- ir->lhs->accept(this);
- ir->rhs->accept(this);
- if (ir->condition)
- ir->condition->accept(this);
-}
-
-
-void
-ir_tree_visitor::visit(ir_constant *ir)
-{
- this->callback(ir, this->data);
-}
-
-
-void
-ir_tree_visitor::visit(ir_call *ir)
-{
- this->callback(ir, this->data);
-
- foreach_iter(exec_list_iterator, iter, *ir) {
- ir_rvalue *param = (ir_rvalue *)iter.get();
-
- param->accept(this);
- }
-}
-
-
-void
-ir_tree_visitor::visit(ir_return *ir)
-{
- ir_rvalue *val = ir->get_value();
-
- this->callback(ir, this->data);
-
- if (val)
- val->accept(this);
-}
-
-
-void
-ir_tree_visitor::visit(ir_if *ir)
-{
- this->callback(ir, this->data);
-
- ir->condition->accept(this);
-
- visit_exec_list(&ir->then_instructions, this);
- visit_exec_list(&ir->else_instructions, this);
-}
-
-void ir_visit_tree(ir_instruction *ir,
- void (*callback)(ir_instruction *ir,
- void *data),
- void *data)
-{
- ir_tree_visitor v;
- v.callback = callback;
- v.data = data;
-
- ir->accept(&v);
-}
-
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-void ir_visit_tree(ir_instruction *ir,
- void (*callback)(ir_instruction *ir,
- void *data),
- void *data);