arch/fromv1.0/stateful_alu.h

 
#ifndef BACKENDS_TOFINO_BF_P4C_ARCH_FROMV1_0_STATEFUL_ALU_H_
#define BACKENDS_TOFINO_BF_P4C_ARCH_FROMV1_0_STATEFUL_ALU_H_
 
#include "frontends/p4-14/fromv1.0/converters.h"
 
namespace P4 {
namespace P4V1 {
 
class StatefulAluConverter : public ExternConverter {
    bool has_stateful_alu = false;
    struct reg_info {
        const IR::Register *reg = nullptr;
        const IR::Type::Bits *utype = nullptr;  // salu alu type
        const IR::Type *rtype = nullptr;        // layout type
    };
    std::map<const IR::Register *, reg_info> cache;
    const IR::ActionProfile *getSelectorProfile(P4V1::ProgramStructure *,
                                                const IR::Declaration_Instance *);
    reg_info getRegInfo(P4V1::ProgramStructure *, const IR::Declaration_Instance *,
                        IR::Vector<IR::Node> *);
    const IR::Type::Bits *findUType(const IR::Declaration_Instance *, const IR::Type ** = nullptr);
    StatefulAluConverter();
    static StatefulAluConverter singleton;
 
 public:
    const IR::Type_Extern *convertExternType(P4V1::ProgramStructure *, const IR::Type_Extern *,
                                             cstring) override;
    const IR::Declaration_Instance *convertExternInstance(
        P4V1::ProgramStructure *, const IR::Declaration_Instance *, cstring,
        IR::IndexedVector<IR::Declaration> *) override;
    const IR::Statement *convertExternCall(P4V1::ProgramStructure *,
                                           const IR::Declaration_Instance *,
                                           const IR::Primitive *) override;
};
 
}  // namespace P4V1
}  // namespace P4
 
#endif /* BACKENDS_TOFINO_BF_P4C_ARCH_FROMV1_0_STATEFUL_ALU_H_ */