From 10b7e69448f866bcd6893b21d7f78d766252eb11 Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Sat, 8 Aug 2026 02:58:50 +0800 Subject: [CodeGen] Implement RV64GC legalization and instruction selection --- .../include/rcc/CodeGen/MachinePipelinePasses.h | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 backend/include/rcc/CodeGen/MachinePipelinePasses.h (limited to 'backend/include/rcc/CodeGen/MachinePipelinePasses.h') diff --git a/backend/include/rcc/CodeGen/MachinePipelinePasses.h b/backend/include/rcc/CodeGen/MachinePipelinePasses.h new file mode 100644 index 0000000..c5bdac0 --- /dev/null +++ b/backend/include/rcc/CodeGen/MachinePipelinePasses.h @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef RCC_CODEGEN_MACHINEPIPELINEPASSES_H +#define RCC_CODEGEN_MACHINEPIPELINEPASSES_H + +#include "rcc/CodeGen/MachinePass.h" +#include "rcc/CodeGen/TargetCodeGen.h" + +namespace rcc { + +class LegalizerPass final : public MachineFunctionPass { +public: + explicit LegalizerPass(const TargetLegalizerInfo *Info) : Info(Info) {} + explicit LegalizerPass(const TargetLegalizerInfo &Info) : Info(&Info) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + [[nodiscard]] Expected runImplementation(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses); + + const TargetLegalizerInfo *Info; +}; + +class RegisterBankSelectPass final : public MachineFunctionPass { +public: + explicit RegisterBankSelectPass(const TargetRegisterBankInfo *Info) : Info(Info) {} + explicit RegisterBankSelectPass(const TargetRegisterBankInfo &Info) : Info(&Info) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + const TargetRegisterBankInfo *Info; +}; + +class InstructionSelectPass final : public MachineFunctionPass { +public: + explicit InstructionSelectPass(const TargetInstructionSelector *Info) : Info(Info) {} + explicit InstructionSelectPass(const TargetInstructionSelector &Info) : Info(&Info) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + [[nodiscard]] Expected runImplementation(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses); + + const TargetInstructionSelector *Info; +}; + +} // namespace rcc + +#endif // RCC_CODEGEN_MACHINEPIPELINEPASSES_H -- cgit v1.2.3