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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_CODEGEN_MACHINECOMPILATIONSTATUS_H
#define RCC_CODEGEN_MACHINECOMPILATIONSTATUS_H
#include "rcc/CodeGen/InstructionDescriptor.h"
#include "rcc/CodeGen/MachineIRTypes.h"
#include "rcc/CodeGen/StableID.h"
#include "rcc/Support/Error.h"
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
namespace rcc {
class MachineFunctionCloneContext;
enum class MachineCompilationState : std::uint8_t {
Success,
Unsupported,
MIRParseFailed,
LegalizationFailed,
SelectionFailed,
RegisterAllocationFailed,
CallLoweringFailed,
FrameLayoutFailed,
FinalizationFailed,
AssemblyLoweringFailed,
InternalError,
Count,
};
[[nodiscard]] bool isKnownMachineCompilationState(MachineCompilationState State) noexcept;
[[nodiscard]] std::string_view
getMachineCompilationStateName(MachineCompilationState State) noexcept;
enum class MachineCompilationDiagnosticSeverity : std::uint8_t {
Error,
Fatal,
Count,
};
struct MachineCompilationDiagnostic final {
MachineCompilationDiagnosticSeverity Severity = MachineCompilationDiagnosticSeverity::Error;
ErrorCode Code = ErrorCode::InternalError;
std::string Message;
std::optional<SourceLocation> Location;
friend bool operator==(const MachineCompilationDiagnostic &Left,
const MachineCompilationDiagnostic &Right) = default;
};
struct MachineCompilationFailure final {
MachineCompilationDiagnostic Diagnostic;
std::optional<std::string> FailurePass;
std::optional<MachineInstrStableID> FailureInstruction;
std::optional<PipelineStage> FailureStage;
std::optional<std::string> FailureRule;
std::optional<std::string> Target;
std::optional<std::string> Subtarget;
friend bool operator==(const MachineCompilationFailure &Left,
const MachineCompilationFailure &Right) = default;
};
class MachineCompilationStatus final {
public:
MachineCompilationStatus() = default;
MachineCompilationStatus(const MachineCompilationStatus &) = delete;
MachineCompilationStatus &operator=(const MachineCompilationStatus &) = delete;
MachineCompilationStatus(MachineCompilationStatus &&) noexcept = default;
MachineCompilationStatus &operator=(MachineCompilationStatus &&) noexcept = default;
~MachineCompilationStatus() = default;
[[nodiscard]] MachineCompilationState state() const noexcept {
return State;
}
[[nodiscard]] bool succeeded() const noexcept {
return State == MachineCompilationState::Success;
}
[[nodiscard]] const MachineCompilationFailure *failure() const noexcept {
if (!Failure)
return nullptr;
return &*Failure;
}
[[nodiscard]] Expected<void> fail(MachineCompilationState NewState,
MachineCompilationFailure NewFailure);
[[nodiscard]] Expected<void> verify() const;
[[nodiscard]] Expected<MachineCompilationStatus>
clone(const MachineFunctionCloneContext &CloneContext) const;
friend bool operator==(const MachineCompilationStatus &Left,
const MachineCompilationStatus &Right) = default;
private:
MachineCompilationState State = MachineCompilationState::Success;
std::optional<MachineCompilationFailure> Failure;
};
} // namespace rcc
#endif // RCC_CODEGEN_MACHINECOMPILATIONSTATUS_H
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