1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVFrameLowering.h b/llvm/lib/Target/RISCV/RISCVFrameLowering.h
new file mode 100644
index 00000000000..14772ddac4a
--- /dev/null
+++ b/llvm/lib/Target/RISCV/RISCVFrameLowering.h
@@ -0,0 +1,35 @@
+//===-- RISCVFrameLowering.h - Define frame lowering for RISCV -*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class implements RISCV-specific bits of TargetFrameLowering class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_RISCV_RISCVFRAMELOWERING_H
+#define LLVM_LIB_TARGET_RISCV_RISCVFRAMELOWERING_H
+
+#include "llvm/Target/TargetFrameLowering.h"
+
+namespace llvm {
+class RISCVSubtarget;
+
+class RISCVFrameLowering : public TargetFrameLowering {
+public:
+  explicit RISCVFrameLowering(const RISCVSubtarget &STI)
+      : TargetFrameLowering(StackGrowsDown,
+                            /*StackAlignment=*/16,
+                            /*LocalAreaOffset=*/0) {}
+
+  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+
+  bool hasFP(const MachineFunction &MF) const override;
+};
+}
+#endif