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diff --git a/llvm/lib/Target/Sparc/SparcFrameLowering.h b/llvm/lib/Target/Sparc/SparcFrameLowering.h
new file mode 100644
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+++ b/llvm/lib/Target/Sparc/SparcFrameLowering.h
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+//===-- SparcFrameLowering.h - Define frame lowering for Sparc --*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_SPARC_SPARCFRAMELOWERING_H
+#define LLVM_LIB_TARGET_SPARC_SPARCFRAMELOWERING_H
+
+#include "Sparc.h"
+#include "llvm/CodeGen/TargetFrameLowering.h"
+
+namespace llvm {
+
+class SparcSubtarget;
+class SparcFrameLowering : public TargetFrameLowering {
+public:
+  explicit SparcFrameLowering(const SparcSubtarget &ST);
+
+  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
+  /// the function.
+  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+
+  MachineBasicBlock::iterator
+  eliminateCallFramePseudoInstr(MachineFunction &MF,
+                                MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator I) const override;
+
+  bool hasReservedCallFrame(const MachineFunction &MF) const override;
+  bool hasFP(const MachineFunction &MF) const override;
+  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
+                            RegScavenger *RS = nullptr) const override;
+
+  int getFrameIndexReference(const MachineFunction &MF, int FI,
+                             unsigned &FrameReg) const override;
+
+  /// targetHandlesStackFrameRounding - Returns true if the target is
+  /// responsible for rounding up the stack frame (probably at emitPrologue
+  /// time).
+  bool targetHandlesStackFrameRounding() const override { return true; }
+
+private:
+  // Remap input registers to output registers for leaf procedure.
+  void remapRegsForLeafProc(MachineFunction &MF) const;
+
+  // Returns true if MF is a leaf procedure.
+  bool isLeafProc(MachineFunction &MF) const;
+
+
+  // Emits code for adjusting SP in function prologue/epilogue.
+  void emitSPAdjustment(MachineFunction &MF,
+                        MachineBasicBlock &MBB,
+                        MachineBasicBlock::iterator MBBI,
+                        int NumBytes, unsigned ADDrr, unsigned ADDri) const;
+
+};
+
+} // End llvm namespace
+
+#endif