gpu_tile_arrival_node.h

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#pragma once
 
#include "sdfg/codegen/dispatchers/block_dispatcher.h"
#include "sdfg/data_flow/library_node.h"
#include "sdfg/serializer/json_serializer.h"
#include "sdfg/symbolic/symbolic.h"
 
namespace sdfg::gpu {
 
inline data_flow::LibraryNodeCode LibraryNodeType_GpuTileArrival("gpu::TileArrival");

class GpuTileArrivalNode : public data_flow::LibraryNode {
    symbolic::Expression index_;
    symbolic::Expression expected_;
 
public:
    static constexpr auto COUNTER_INPUT_IDX = 0;
 
    GpuTileArrivalNode(
        size_t element_id,
        const DebugInfo& debug_info,
        const graph::Vertex vertex,
        data_flow::DataFlowGraph& parent,
        const symbolic::Expression& index,
        const symbolic::Expression& expected
    );

    const symbolic::Expression& index() const {
        return index_;
    }

    const symbolic::Expression& expected() const {
        return expected_;
    }
 
    void validate(const Function& function) const override;
 
    symbolic::SymbolSet symbols() const override;
 
    void replace(const symbolic::Expression old_expression, const symbolic::Expression new_expression) override;
    void replace(const symbolic::ExpressionMapping& replacements) override;
 
    std::unique_ptr<data_flow::DataFlowNode>
    clone(size_t element_id, const graph::Vertex vertex, data_flow::DataFlowGraph& parent) const override;
 
    std::string toStr() const override;
};
 
class GpuTileArrivalNodeSerializer : public serializer::LibraryNodeSerializer {
public:
    nlohmann::json serialize(const data_flow::LibraryNode& library_node) override;
    data_flow::LibraryNode& deserialize(
        const nlohmann::json& j, builder::StructuredSDFGBuilder& builder, structured_control_flow::Block& parent
    ) override;
};

class GpuTileArrivalDispatcher : public codegen::LibraryNodeDispatcher {
    std::string flag_;
 
public:
    GpuTileArrivalDispatcher(
        codegen::LanguageExtension& language_extension,
        const Function& function,
        const data_flow::DataFlowGraph& data_flow_graph,
        const data_flow::LibraryNode& node
    );
 
    void dispatch_code_with_edges(
        codegen::CodegenOutput& out,
        std::vector<codegen::DispatchInput>& inputs,
        std::vector<codegen::DispatchOutput>& outputs
    ) override;
};
 
} // namespace sdfg::gpu