unfuse_fma.h

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#pragma once
 
#include <nlohmann/json_fwd.hpp>
#include <string>
 
#include "sdfg/analysis/analysis.h"
#include "sdfg/builder/structured_sdfg_builder.h"
#include "sdfg/data_flow/tasklet.h"
#include "sdfg/transformations/transformation.h"
 
namespace sdfg {
namespace fp_math {

class UnfuseFMA : public transformations::Transformation {
private:
    data_flow::Tasklet& fma_;
 
    data_flow::Tasklet* multiply_ = nullptr;
    data_flow::Tasklet* add_ = nullptr;
    std::string product_;
 
public:
    explicit UnfuseFMA(data_flow::Tasklet& fma);
 
    virtual std::string name() const override;
 
    virtual bool
    can_be_applied(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) override;
 
    virtual void apply(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) override;
 
    virtual void to_json(nlohmann::json& j) const override;
 
    static UnfuseFMA from_json(builder::StructuredSDFGBuilder& builder, const nlohmann::json& j);

    data_flow::Tasklet* multiply() const;

    data_flow::Tasklet* add() const;

    const std::string& product() const;
};
 
} // namespace fp_math
} // namespace sdfg