var_computation.hpp

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/*
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 *
 *             ***********************************************
 *                              PandA Project
 *                     URL: http://panda.dei.polimi.it
 *                       Politecnico di Milano - DEIB
 *                        System Architectures Group
 *             ***********************************************
 *              Copyright (C) 2004-2024 Politecnico di Milano
 *
 *   This file is part of the PandA framework.
 *
 *   The PandA framework is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 3 of the License, or
 *   (at your option) any later version.
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 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#ifndef VAR_COMPUTATION_HPP
#define VAR_COMPUTATION_HPP

#include "function_frontend_flow_step.hpp"

#include "refcount.hpp"

REF_FORWARD_DECL(BehavioralHelper);
class gimple_node;
enum class FunctionBehavior_VariableAccessType;
REF_FORWARD_DECL(operations_graph_constructor);
CONSTREF_FORWARD_DECL(OpGraph);
REF_FORWARD_DECL(tree_manager);
CONSTREF_FORWARD_DECL(tree_node);

class VarComputation : public FunctionFrontendFlowStep
{
 private:
   const operations_graph_constructorRef ogc;

   const OpGraphConstRef cfg;

   const BehavioralHelperRef behavioral_helper;

   void RecursivelyAnalyze(const vertex op_vertex, const tree_nodeConstRef& tree_node,
                           const FunctionBehavior_VariableAccessType access_type) const;

   void AnalyzeVops(const vertex op_vertex, const gimple_node* vops) const;

   const CustomUnorderedSet<std::pair<FrontendFlowStepType, FunctionRelationship>>
   ComputeFrontendRelationships(const DesignFlowStep::RelationshipType relationship_type) const override;

 public:
   VarComputation(const ParameterConstRef _parameters, const application_managerRef AppM, unsigned int function_id,
                  const DesignFlowManagerConstRef design_flow_manager);

   ~VarComputation() override;

   void Initialize() override;

   DesignFlowStep_Status InternalExec() override;
};

#endif