commutative_expr_restructuring.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) 2018-2024 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
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 *   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/>.
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 */
#ifndef COMMUTATIVE_EXPR_RESTRUCTURING_HPP
#define COMMUTATIVE_EXPR_RESTRUCTURING_HPP

#include "function_frontend_flow_step.hpp"

#include "refcount.hpp"

REF_FORWARD_DECL(AllocationInformation);
REF_FORWARD_DECL(Schedule);
REF_FORWARD_DECL(tree_manager);
CONSTREF_FORWARD_DECL(tree_node);
REF_FORWARD_DECL(tree_node);

class commutative_expr_restructuring : public FunctionFrontendFlowStep
{
 private:
   ScheduleRef schedule;

   AllocationInformationRef allocation_information;

   tree_managerRef TM;

   bool IsCommExprGimple(const tree_nodeConstRef tn) const;

   tree_nodeRef IsCommExprChain(const tree_nodeConstRef tn, const bool first, bool is_third_node) const;

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

 public:
   commutative_expr_restructuring(const application_managerRef AppM, unsigned int function_id,
                                  const DesignFlowManagerConstRef design_flow_manager,
                                  const ParameterConstRef parameters);

   ~commutative_expr_restructuring() override;

   DesignFlowStep_Status InternalExec() override;

   void Initialize() override;

   bool HasToBeExecuted() const override;
};
#endif