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 21 namespace llvm { 22 23 struct 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 bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override; 38 39 void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, 40 unsigned FIOperandNum, 41 RegScavenger *RS = nullptr) const override; 42 43 // Debug information queries. 44 unsigned getRARegister() const; 45 Register getFrameRegister(const MachineFunction &MF) const override; 46 Register getBaseRegister() const; 47 bool hasBasePointer(const MachineFunction &MF) const; 48 49 int getDwarfRegNum(unsigned RegNum, bool IsEH) const; 50 }; 51 52 } // end namespace llvm 53 54 #endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 55