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/TargetFrameLowering.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'backend/include/rcc/CodeGen/TargetFrameLowering.h') diff --git a/backend/include/rcc/CodeGen/TargetFrameLowering.h b/backend/include/rcc/CodeGen/TargetFrameLowering.h index 1712616..b63ce22 100644 --- a/backend/include/rcc/CodeGen/TargetFrameLowering.h +++ b/backend/include/rcc/CodeGen/TargetFrameLowering.h @@ -39,6 +39,11 @@ public: [[nodiscard]] virtual Expected finalizeFrame(MachineFunction &Function, const TargetDescription &Target) const = 0; + [[nodiscard]] virtual bool isCalleeSavedRegister(PhysicalRegister, const MachineFunction &, + const TargetDescription &) const noexcept { + return false; + } + [[nodiscard]] virtual bool isCallFramePseudo(const MachineInstr &Instruction) const noexcept = 0; [[nodiscard]] virtual Expected eliminateCallFramePseudo(MachineInstr &Instruction, MachineFunction &Function, -- cgit v1.2.3