1//===- LanaiRegisterInfo.h - Lanai Register Information Impl ----*- 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 Lanai implementation of the TargetRegisterInfo class. 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 14#define LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 15 16#include "llvm/CodeGen/TargetRegisterInfo.h" 17 18#define GET_REGINFO_HEADER 19#include "LanaiGenRegisterInfo.inc" 20 21namespace llvm { 22 23struct LanaiRegisterInfo : public LanaiGenRegisterInfo { 24 LanaiRegisterInfo(); 25 26 const uint32_t *getCallPreservedMask(const MachineFunction &MF, 27 CallingConv::ID) const override; 28 29 // Code Generation virtual methods. 30 const uint16_t * 31 getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override; 32 33 BitVector getReservedRegs(const MachineFunction &MF) const override; 34 35 bool requiresRegisterScavenging(const MachineFunction &MF) const override; 36 37 void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, 38 unsigned FIOperandNum, 39 RegScavenger *RS = nullptr) const override; 40 41 // Debug information queries. 42 unsigned getRARegister() const; 43 Register getFrameRegister(const MachineFunction &MF) const override; 44 Register getBaseRegister() const; 45 bool hasBasePointer(const MachineFunction &MF) const; 46 47 int getDwarfRegNum(unsigned RegNum, bool IsEH) const; 48}; 49 50} // end namespace llvm 51 52#endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 53