From 495c675771f43cfa12ab7a426a538be72fec1805 Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Sun, 9 Aug 2026 17:03:19 +0800 Subject: [CodeGen] Implement machine optimization and scheduling --- backend/include/rcc/CodeGen/MachineCSE.h | 35 ++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 backend/include/rcc/CodeGen/MachineCSE.h (limited to 'backend/include/rcc/CodeGen/MachineCSE.h') diff --git a/backend/include/rcc/CodeGen/MachineCSE.h b/backend/include/rcc/CodeGen/MachineCSE.h new file mode 100644 index 0000000..1c2057b --- /dev/null +++ b/backend/include/rcc/CodeGen/MachineCSE.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef RCC_CODEGEN_MACHINECSE_H +#define RCC_CODEGEN_MACHINECSE_H + +#include "rcc/CodeGen/MachinePass.h" + +#include + +namespace rcc { + +struct MachineCSEOptions final { + std::size_t MaximumComparisons = 100'000; +}; + +class MachineCSEPass final : public MachineFunctionPass { +public: + explicit MachineCSEPass(MachineCSEOptions Options = {}) : Options(Options) {} + + [[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); + + MachineCSEOptions Options; +}; + +} // namespace rcc + +#endif // RCC_CODEGEN_MACHINECSE_H -- cgit v1.2.3