1 //===- ARCRegisterInfo.h - ARC 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 ARC implementation of the MRegisterInfo class. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H 14 #define LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H 15 16 #include "llvm/CodeGen/TargetRegisterInfo.h" 17 18 #define GET_REGINFO_HEADER 19 #include "ARCGenRegisterInfo.inc" 20 21 namespace llvm { 22 23 class TargetInstrInfo; 24 25 struct ARCRegisterInfo : public ARCGenRegisterInfo { 26 public: 27 ARCRegisterInfo(); 28 29 /// Code Generation virtual methods... 30 31 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override; 32 33 BitVector getReservedRegs(const MachineFunction &MF) const override; 34 35 bool requiresRegisterScavenging(const MachineFunction &MF) const override; 36 37 bool useFPForScavengingIndex(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 const uint32_t *getCallPreservedMask(const MachineFunction &MF, 44 CallingConv::ID CC) const override; 45 46 // Debug information queries. 47 Register getFrameRegister(const MachineFunction &MF) const override; 48 49 //! Return whether to emit frame moves 50 static bool needsFrameMoves(const MachineFunction &MF); 51 }; 52 53 } // end namespace llvm 54 55 #endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H 56