1 //===-- Mips16RegisterInfo.h - Mips16 Register Information ------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains the Mips16 implementation of the TargetRegisterInfo class. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H 14 #define LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H 15 16 #include "MipsRegisterInfo.h" 17 18 namespace llvm { 19 20 class Mips16RegisterInfo : public MipsRegisterInfo { 21 public: 22 Mips16RegisterInfo(); 23 24 bool requiresRegisterScavenging(const MachineFunction &MF) const override; 25 26 bool requiresFrameIndexScavenging(const MachineFunction &MF) const override; 27 28 bool useFPForScavengingIndex(const MachineFunction &MF) const override; 29 30 bool saveScavengerRegister(MachineBasicBlock &MBB, 31 MachineBasicBlock::iterator I, 32 MachineBasicBlock::iterator &UseMI, 33 const TargetRegisterClass *RC, 34 Register Reg) const override; 35 36 const TargetRegisterClass *intRegClass(unsigned Size) const override; 37 38 private: 39 void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo, 40 int FrameIndex, uint64_t StackSize, 41 int64_t SPOffset) const override; 42 }; 43 44 } // end namespace llvm 45 46 #endif 47