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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_TOOLING_BACKENDINVOCATION_H
#define RCC_TOOLING_BACKENDINVOCATION_H
#include "rcc/CodeGen/CommandFlags.h"
#include "rcc/Support/Error.h"
#include "rcc/Target/TargetOptions.h"
#include <cstdint>
#include <memory>
#include <optional>
#include <span>
#include <string>
#include <string_view>
#include <vector>
namespace rcc {
class TargetDescription;
class Target;
class TargetMachine;
namespace tooling {
inline constexpr std::uint32_t BackendInvocationSchemaVersion = 1;
inline constexpr std::string_view LLVMReferenceRevision =
"2b40c303e79f64c5c7642032554eda026594d604";
inline constexpr std::string_view GenericOpcodeReferenceVersion = "rcc-generic-opcode-v1";
inline constexpr std::string_view CompilerBuildFingerprint = "rcc-backend-0.1.0-stage17";
enum class LayoutOwnership : std::uint8_t {
NativeObject,
CompilerFinalLayout,
ExternalRelaxation,
};
using BackendOption = TargetOption;
struct DeterminismOptions final {
std::uint64_t RandomSeed = 0;
std::uint32_t ThreadCount = 1;
bool StableScheduling = true;
friend bool operator==(const DeterminismOptions &, const DeterminismOptions &) = default;
};
struct BackendInvocation final {
std::uint32_t SchemaVersion = BackendInvocationSchemaVersion;
std::string Triple;
std::string CPU;
std::string TuneCPU;
std::vector<std::string> Features;
std::string ABI;
std::string DataLayout;
rcc::RelocationModel Relocation = rcc::RelocationModel::Static;
rcc::CodeModel Code = rcc::CodeModel::Small;
std::vector<BackendOption> TargetOptions;
LayoutOwnership Layout = LayoutOwnership::NativeObject;
std::string AssemblerFlavor;
std::string AssemblerVersion;
std::vector<BackendOption> AssemblerOptions;
rcc::OptimizationLevel Optimization = rcc::OptimizationLevel::O2;
std::vector<std::string> PassPipeline{"default"};
DeterminismOptions Determinism;
std::optional<std::uint64_t> ActionFuel;
std::vector<std::string> EnabledActions;
std::string MIRReferenceRevision{LLVMReferenceRevision};
std::string GenericOpcodeVersion{GenericOpcodeReferenceVersion};
std::string TargetABILoweringVersion;
std::string BuildFingerprint{CompilerBuildFingerprint};
[[nodiscard]] Expected<void> canonicalizeAndVerify();
[[nodiscard]] std::string canonicalText() const;
friend bool operator==(const BackendInvocation &, const BackendInvocation &) = default;
};
[[nodiscard]] Expected<BackendInvocation> defaultBackendInvocation(const Target &Target);
[[nodiscard]] Expected<std::unique_ptr<TargetMachine>>
createTargetMachine(const BackendInvocation &Invocation);
[[nodiscard]] Expected<std::string>
computeTargetDescriptionFingerprint(const TargetDescription &Target);
[[nodiscard]] Expected<std::string> computeCacheKey(std::string_view CanonicalMIR,
const BackendInvocation &Invocation,
std::string_view TargetFingerprint);
[[nodiscard]] std::string_view spelling(LayoutOwnership Value) noexcept;
[[nodiscard]] Expected<LayoutOwnership> parseLayoutOwnership(std::string_view Value);
} // namespace tooling
} // namespace rcc
#endif // RCC_TOOLING_BACKENDINVOCATION_H
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