llvm/lib/Target/Lanai/LanaiRegisterInfo.h

   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 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