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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_LIB_TARGET_RISCV_GISEL_RISCVLEGALIZERINFO_H
#define RCC_LIB_TARGET_RISCV_GISEL_RISCVLEGALIZERINFO_H
#include "rcc/CodeGen/GlobalISel/LegalizerInfo.h"
namespace rcc {
class MachineIRBuilder;
} // namespace rcc
namespace rcc::riscv {
class RISCVSubtarget;
class RISCVLegalizerInfo final : public LegalizerInfo {
public:
explicit RISCVLegalizerInfo(const RISCVSubtarget &Subtarget);
[[nodiscard]] Expected<void> legalizeCustom(LegalizerHelper &Helper, MachineInstr &Instruction,
const LegalizationDecision &Decision) const override;
[[nodiscard]] Expected<bool> legalizeIntrinsic(LegalizerHelper &Helper,
MachineInstr &Instruction) const override;
[[nodiscard]] bool isSExtCheaperThanZExt(LowLevelType SourceType,
LowLevelType DestinationType) const override;
private:
[[nodiscard]] Expected<void> legalizeBRJT(MachineInstr &Instruction,
MachineIRBuilder &MIRBuilder) const;
[[nodiscard]] Expected<void> legalizeVAStart(MachineInstr &Instruction,
MachineIRBuilder &MIRBuilder) const;
const RISCVSubtarget &Subtarget;
};
} // namespace rcc::riscv
#endif // RCC_LIB_TARGET_RISCV_GISEL_RISCVLEGALIZERINFO_H
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