From d2cd152d658955a7fb64fb9a1329bc5bee4d8317 Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Thu, 13 Aug 2026 02:43:59 +0800 Subject: [CodeGen] Split PHI elimination and two-address rewriting --- backend/include/rcc/CodeGen/PHIElimination.h | 31 ++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 backend/include/rcc/CodeGen/PHIElimination.h (limited to 'backend/include/rcc/CodeGen/PHIElimination.h') diff --git a/backend/include/rcc/CodeGen/PHIElimination.h b/backend/include/rcc/CodeGen/PHIElimination.h new file mode 100644 index 0000000..3d69152 --- /dev/null +++ b/backend/include/rcc/CodeGen/PHIElimination.h @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef RCC_CODEGEN_PHIELIMINATION_H +#define RCC_CODEGEN_PHIELIMINATION_H + +#include "rcc/CodeGen/MachinePass.h" + +namespace rcc { + +class TargetInstrInfo; + +class PHIEliminationPass final : public MachineFunctionPass { +public: + explicit PHIEliminationPass(const TargetInstrInfo &Info) noexcept : 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, + MachineActionReplay &Actions); + + const TargetInstrInfo &Info; +}; + +} // namespace rcc + +#endif // RCC_CODEGEN_PHIELIMINATION_H -- cgit v1.2.3