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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_CODEGEN_MACHINEFUNCTIONCLONER_H
#define RCC_CODEGEN_MACHINEFUNCTIONCLONER_H
#include "rcc/CodeGen/MachineIRTypes.h"
#include "rcc/CodeGen/Register.h"
#include "rcc/CodeGen/StableID.h"
#include "rcc/Support/Error.h"
#include <memory>
#include <optional>
#include <string>
#include <unordered_map>
namespace rcc {
class InstructionSet;
class MachineFunction;
struct MachineFunctionCloneOptions final {
MachineFunctionStableID NewStableID;
std::optional<std::string> NewName;
};
struct MachineFunctionCloneResult final {
MachineFunctionCloneResult();
MachineFunctionCloneResult(const MachineFunctionCloneResult &) = delete;
MachineFunctionCloneResult &operator=(const MachineFunctionCloneResult &) = delete;
MachineFunctionCloneResult(MachineFunctionCloneResult &&) noexcept;
MachineFunctionCloneResult &operator=(MachineFunctionCloneResult &&) noexcept;
~MachineFunctionCloneResult();
std::unique_ptr<MachineFunction> ClonedFunction;
std::unordered_map<MachineBlockStableID, MachineBlockStableID> BlockStableIDs;
std::unordered_map<MachineInstrStableID, MachineInstrStableID> InstructionStableIDs;
std::unordered_map<Register, Register> VirtualRegisters;
std::unordered_map<FrameIndex, FrameIndex> FrameIndices;
std::unordered_map<ConstantPoolIndex, ConstantPoolIndex> ConstantPoolIndices;
std::unordered_map<JumpTableIndex, JumpTableIndex> JumpTableIndices;
};
[[nodiscard]] Expected<MachineFunctionCloneResult>
cloneMachineFunction(const MachineFunction &Source, const InstructionSet &Instructions,
MachineFunctionCloneOptions Options);
} // namespace rcc
#endif // RCC_CODEGEN_MACHINEFUNCTIONCLONER_H
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