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 --- .../include/rcc/CodeGen/MachinePseudoExpansion.h | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 backend/include/rcc/CodeGen/MachinePseudoExpansion.h (limited to 'backend/include/rcc/CodeGen/MachinePseudoExpansion.h') diff --git a/backend/include/rcc/CodeGen/MachinePseudoExpansion.h b/backend/include/rcc/CodeGen/MachinePseudoExpansion.h new file mode 100644 index 0000000..1dfb6ba --- /dev/null +++ b/backend/include/rcc/CodeGen/MachinePseudoExpansion.h @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef RCC_CODEGEN_MACHINEPSEUDOEXPANSION_H +#define RCC_CODEGEN_MACHINEPSEUDOEXPANSION_H + +#include "rcc/CodeGen/MachinePass.h" +#include "rcc/CodeGen/TargetPseudoExpansion.h" + +namespace rcc { + +class TargetBranchInfo; +class TargetPseudoExpansionInfo; + +class PreparePostRAPseudosPass final : public MachineFunctionPass { +public: + explicit PreparePostRAPseudosPass(const TargetPseudoExpansionInfo &Info) noexcept : Info(&Info) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + const TargetPseudoExpansionInfo *Info; +}; + +class PrePEITargetPseudoExpansionPass final : public MachineFunctionPass { +public: + explicit PrePEITargetPseudoExpansionPass(const TargetPseudoExpansionInfo &Info) noexcept + : Info(&Info) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + const TargetPseudoExpansionInfo *Info; +}; + +class ExpandPostRAPseudosPass final : public MachineFunctionPass { +public: + explicit ExpandPostRAPseudosPass(const TargetPseudoExpansionInfo &Info) noexcept : Info(&Info) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + const TargetPseudoExpansionInfo *Info; +}; + +class TargetLatePseudoExpansionPass final : public MachineFunctionPass { +public: + TargetLatePseudoExpansionPass(const TargetPseudoExpansionInfo &Info, + const TargetBranchInfo &BranchInfo) noexcept + : Info(&Info), BranchInfo(&BranchInfo) {} + + [[nodiscard]] const MachinePassContract &contract() const noexcept override; + [[nodiscard]] Expected run(MachineFunction &Function, + const TargetDescription &Target, + MachineAnalysisManager &Analyses) override; + +private: + const TargetPseudoExpansionInfo *Info; + const TargetBranchInfo *BranchInfo; +}; + +} // namespace rcc + +#endif // RCC_CODEGEN_MACHINEPSEUDOEXPANSION_H -- cgit v1.2.3