[CodeGen] Implement RV64GC frame lowering

1 files changed, 30 insertions, 0 deletions

diff --git a/backend/include/rcc/CodeGen/PrologueEpilogueInsertion.h b/backend/include/rcc/CodeGen/PrologueEpilogueInsertion.h
new file mode 100644
index 0000000..b94715a
--- /dev/null
+++ b/backend/include/rcc/CodeGen/PrologueEpilogueInsertion.h
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_PROLOGUEEPILOGUEINSERTION_H
+#define RCC_CODEGEN_PROLOGUEEPILOGUEINSERTION_H
+
+#include "rcc/CodeGen/MachinePass.h"
+
+namespace rcc {
+
+class TargetFrameLowering;
+
+class PrologueEpilogueInsertionPass final : public MachineFunctionPass {
+public:
+  explicit PrologueEpilogueInsertionPass(const TargetFrameLowering &Info) noexcept : Info(&Info) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  [[nodiscard]] Expected<MachinePassResult>
+  runImplementation(MachineFunction &Function, const TargetDescription &Target) const;
+
+  const TargetFrameLowering *Info;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_PROLOGUEEPILOGUEINSERTION_H