1 files changed, 45 insertions, 0 deletions

diff --git a/contrib/llvm-project/llvm/lib/Target/AVR/AVRFrameLowering.h b/contrib/llvm-project/llvm/lib/Target/AVR/AVRFrameLowering.h
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index 000000000000..a7658438232a
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+++ b/contrib/llvm-project/llvm/lib/Target/AVR/AVRFrameLowering.h
@@ -0,0 +1,45 @@
+//===-- AVRFrameLowering.h - Define frame lowering for AVR ------*- 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_AVR_FRAME_LOWERING_H
+#define LLVM_AVR_FRAME_LOWERING_H
+
+#include "llvm/CodeGen/TargetFrameLowering.h"
+
+namespace llvm {
+
+/// Utilities for creating function call frames.
+class AVRFrameLowering : public TargetFrameLowering {
+public:
+  explicit AVRFrameLowering();
+
+public:
+  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+  bool hasFP(const MachineFunction &MF) const override;
+  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+                                 MachineBasicBlock::iterator MI,
+                                 const std::vector<CalleeSavedInfo> &CSI,
+                                 const TargetRegisterInfo *TRI) const override;
+  bool
+  restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+                              MachineBasicBlock::iterator MI,
+                              std::vector<CalleeSavedInfo> &CSI,
+                              const TargetRegisterInfo *TRI) const override;
+  bool hasReservedCallFrame(const MachineFunction &MF) const override;
+  bool canSimplifyCallFramePseudos(const MachineFunction &MF) const override;
+  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
+                            RegScavenger *RS = nullptr) const override;
+  MachineBasicBlock::iterator
+  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator MI) const override;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_AVR_FRAME_LOWERING_H