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/MachineCombiner.h | 40 +++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 backend/include/rcc/CodeGen/MachineCombiner.h (limited to 'backend/include/rcc/CodeGen/MachineCombiner.h') diff --git a/backend/include/rcc/CodeGen/MachineCombiner.h b/backend/include/rcc/CodeGen/MachineCombiner.h new file mode 100644 index 0000000..943d6ad --- /dev/null +++ b/backend/include/rcc/CodeGen/MachineCombiner.h @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef RCC_CODEGEN_MACHINECOMBINER_H +#define RCC_CODEGEN_MACHINECOMBINER_H + +#include "rcc/CodeGen/MachineCombinerPattern.h" +#include "rcc/CodeGen/MachinePass.h" + +#include + +namespace rcc { + +struct MachineCombinerOptions final { + std::size_t MaximumRewrites = 4096; + std::size_t MaximumIterations = 8; +}; + +class MachineCombinerPass final : public MachineFunctionPass { +public: + MachineCombinerPass(const TargetMachineCombinerInfo &Info, MachineCombinerStage Stage, + MachineCombinerOptions Options = {}) noexcept + : Info(&Info), Stage(Stage), 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) const; + + const TargetMachineCombinerInfo *Info; + MachineCombinerStage Stage; + MachineCombinerOptions Options; +}; + +} // namespace rcc + +#endif // RCC_CODEGEN_MACHINECOMBINER_H -- cgit v1.2.3