48 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
//===-- Mips16FrameLowering.h - Mips16 frame lowering  ----------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
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#define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
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#include "MipsFrameLowering.h"
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namespace llvm {
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class Mips16FrameLowering : public MipsFrameLowering {
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public:
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  explicit Mips16FrameLowering(const MipsSubtarget &STI);
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  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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  /// the function.
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  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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                                 MachineBasicBlock::iterator MI,
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                                 ArrayRef<CalleeSavedInfo> CSI,
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                                 const TargetRegisterInfo *TRI) const override;
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  bool
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  restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
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                              MachineBasicBlock::iterator MI,
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                              MutableArrayRef<CalleeSavedInfo> CSI,
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                              const TargetRegisterInfo *TRI) const override;
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  bool hasReservedCallFrame(const MachineFunction &MF) const override;
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  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
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                            RegScavenger *RS) const override;
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};
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} // End llvm namespace
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#endif
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