| //===- ARCRegisterInfo.h - ARC Register Information Impl --------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the ARC implementation of the MRegisterInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H |
| #define LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H |
| |
| #include "llvm/CodeGen/TargetRegisterInfo.h" |
| |
| #define GET_REGINFO_HEADER |
| #include "ARCGenRegisterInfo.inc" |
| |
| namespace llvm { |
| |
| class TargetInstrInfo; |
| class ARCSubtarget; |
| |
| struct ARCRegisterInfo : public ARCGenRegisterInfo { |
| const ARCSubtarget &ST; |
| |
| public: |
| ARCRegisterInfo(const ARCSubtarget &); |
| |
| /// Code Generation virtual methods... |
| |
| const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override; |
| |
| BitVector getReservedRegs(const MachineFunction &MF) const override; |
| |
| bool requiresRegisterScavenging(const MachineFunction &MF) const override; |
| |
| bool useFPForScavengingIndex(const MachineFunction &MF) const override; |
| |
| void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, |
| unsigned FIOperandNum, |
| RegScavenger *RS = nullptr) const override; |
| |
| const uint32_t *getCallPreservedMask(const MachineFunction &MF, |
| CallingConv::ID CC) const override; |
| |
| // Debug information queries. |
| Register getFrameRegister(const MachineFunction &MF) const override; |
| |
| //! Return whether to emit frame moves |
| static bool needsFrameMoves(const MachineFunction &MF); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H |