From b8fb9248e77e492c630ca135d1bfd58b74f9752a Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Mon, 24 Aug 2026 19:01:47 +0800 Subject: [CodeGen] Implement CFI instruction insertion --- backend/include/rcc/CodeGen/TargetFrameLowering.h | 7 +++++++ 1 file changed, 7 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 705a548..e3f0f37 100644 --- a/backend/include/rcc/CodeGen/TargetFrameLowering.h +++ b/backend/include/rcc/CodeGen/TargetFrameLowering.h @@ -31,6 +31,13 @@ class TargetFrameLowering { public: virtual ~TargetFrameLowering() = default; + [[nodiscard]] virtual PhysicalRegister + initialCFARegister(const MachineFunction &Function, + const TargetDescription &Target) const noexcept = 0; + [[nodiscard]] virtual std::int64_t initialCFAOffset(const MachineFunction &) const noexcept { + return 0; + } + [[nodiscard]] virtual Expected prepareFrame(MachineFunction &Function, const TargetDescription &Target, FrameLoweringOptions Options = {}) const = 0; -- cgit v1.2.3