add_metadata_pov.h

 
#ifndef BF_P4C_PARDE_ADD_METADATA_POV_H_
#define BF_P4C_PARDE_ADD_METADATA_POV_H_
 
#include "backends/tofino/bf-p4c/phv/phv_fields.h"
#include "ir/ir.h"
 
class AddMetadataPOV : public Transform {
    const PhvInfo &phv;
    const IR::BFN::Deparser *dp = nullptr;
 
    bool equiv(const IR::Expression *a, const IR::Expression *b);
    static IR::MAU::Primitive *create_pov_write(const IR::Expression *povBit, bool validate);
    IR::Node *insert_deparser_param_pov_write(const IR::MAU::Primitive *p, bool validate);
    IR::Node *insert_deparser_digest_pov_write(const IR::MAU::Primitive *p, bool validate);
    IR::Node *insert_field_pov_read(const IR::MAU::Primitive *p);
 
    IR::BFN::Pipe *preorder(IR::BFN::Pipe *pipe) override;
 
    IR::BFN::DeparserParameter *postorder(IR::BFN::DeparserParameter *param) override;
    IR::BFN::Digest *postorder(IR::BFN::Digest *digest) override;
    IR::Node *postorder(IR::MAU::Primitive *p) override;
    IR::Node *postorder(IR::BFN::Extract *e) override;
 
 public:
    explicit AddMetadataPOV(PhvInfo &p) : phv(p) {}
};
 
#endif /* BF_P4C_PARDE_ADD_METADATA_POV_H_ */