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//===- ARMInstPrinter.h - Convert ARM MCInst to assembly syntax -*- 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 class prints an ARM MCInst to a .s file.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_ARM_INSTPRINTER_ARMINSTPRINTER_H
#define LLVM_LIB_TARGET_ARM_INSTPRINTER_ARMINSTPRINTER_H

#include "MCTargetDesc/ARMMCTargetDesc.h"
#include "llvm/MC/MCInstPrinter.h"

namespace llvm {

class ARMInstPrinter : public MCInstPrinter {
public:
  ARMInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
                 const MCRegisterInfo &MRI);

  bool applyTargetSpecificCLOption(StringRef Opt) override;

  void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot,
                 const MCSubtargetInfo &STI) override;
  void printRegName(raw_ostream &OS, unsigned RegNo) const override;

  // Autogenerated by tblgen.
  void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI,
                        raw_ostream &O);
  virtual bool printAliasInstr(const MCInst *MI, const MCSubtargetInfo &STI,
                               raw_ostream &O);
  virtual void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx,
                                       unsigned PrintMethodIdx,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O);
  static const char *getRegisterName(unsigned RegNo,
                                     unsigned AltIdx = ARM::NoRegAltName);

  void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
                    raw_ostream &O);

  void printSORegRegOperand(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printSORegImmOperand(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);

  void printAddrModeTBB(const MCInst *MI, unsigned OpNum,
                        const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrModeTBH(const MCInst *MI, unsigned OpNum,
                        const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrMode2Operand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printAM2PostIndexOp(const MCInst *MI, unsigned OpNum,
                           const MCSubtargetInfo &STI, raw_ostream &O);
  void printAM2PreOrOffsetIndexOp(const MCInst *MI, unsigned OpNum,
                                  const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrMode2OffsetOperand(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);
  template <bool AlwaysPrintImm0>
  void printAddrMode3Operand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrMode3OffsetOperand(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);
  void printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op, raw_ostream &O,
                                  bool AlwaysPrintImm0);
  void printPostIdxImm8Operand(const MCInst *MI, unsigned OpNum,
                               const MCSubtargetInfo &STI, raw_ostream &O);
  void printPostIdxRegOperand(const MCInst *MI, unsigned OpNum,
                              const MCSubtargetInfo &STI, raw_ostream &O);
  void printPostIdxImm8s4Operand(const MCInst *MI, unsigned OpNum,
                                 const MCSubtargetInfo &STI, raw_ostream &O);

  void printLdStmModeOperand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  template <bool AlwaysPrintImm0>
  void printAddrMode5Operand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  template <bool AlwaysPrintImm0>
  void printAddrMode5FP16Operand(const MCInst *MI, unsigned OpNum,
                                 const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrMode6Operand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrMode7Operand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printAddrMode6OffsetOperand(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);

  void printBitfieldInvMaskImmOperand(const MCInst *MI, unsigned OpNum,
                                      const MCSubtargetInfo &STI,
                                      raw_ostream &O);
  void printMemBOption(const MCInst *MI, unsigned OpNum,
                       const MCSubtargetInfo &STI, raw_ostream &O);
  void printInstSyncBOption(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printTraceSyncBOption(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printShiftImmOperand(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printPKHLSLShiftImm(const MCInst *MI, unsigned OpNum,
                           const MCSubtargetInfo &STI, raw_ostream &O);
  void printPKHASRShiftImm(const MCInst *MI, unsigned OpNum,
                           const MCSubtargetInfo &STI, raw_ostream &O);

  template <unsigned scale>
  void printAdrLabelOperand(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printThumbS4ImmOperand(const MCInst *MI, unsigned OpNum,
                              const MCSubtargetInfo &STI, raw_ostream &O);
  void printThumbSRImm(const MCInst *MI, unsigned OpNum,
                       const MCSubtargetInfo &STI, raw_ostream &O);
  void printThumbITMask(const MCInst *MI, unsigned OpNum,
                        const MCSubtargetInfo &STI, raw_ostream &O);
  void printThumbAddrModeRROperand(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);
  void printThumbAddrModeImm5SOperand(const MCInst *MI, unsigned OpNum,
                                      const MCSubtargetInfo &STI,
                                      raw_ostream &O, unsigned Scale);
  void printThumbAddrModeImm5S1Operand(const MCInst *MI, unsigned OpNum,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O);
  void printThumbAddrModeImm5S2Operand(const MCInst *MI, unsigned OpNum,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O);
  void printThumbAddrModeImm5S4Operand(const MCInst *MI, unsigned OpNum,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O);
  void printThumbAddrModeSPOperand(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);

  void printT2SOOperand(const MCInst *MI, unsigned OpNum,
                        const MCSubtargetInfo &STI, raw_ostream &O);
  template <bool AlwaysPrintImm0>
  void printAddrModeImm12Operand(const MCInst *MI, unsigned OpNum,
                                 const MCSubtargetInfo &STI, raw_ostream &O);
  template <bool AlwaysPrintImm0>
  void printT2AddrModeImm8Operand(const MCInst *MI, unsigned OpNum,
                                  const MCSubtargetInfo &STI, raw_ostream &O);
  template <bool AlwaysPrintImm0>
  void printT2AddrModeImm8s4Operand(const MCInst *MI, unsigned OpNum,
                                    const MCSubtargetInfo &STI, raw_ostream &O);
  void printT2AddrModeImm0_1020s4Operand(const MCInst *MI, unsigned OpNum,
                                         const MCSubtargetInfo &STI,
                                         raw_ostream &O);
  void printT2AddrModeImm8OffsetOperand(const MCInst *MI, unsigned OpNum,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O);
  void printT2AddrModeImm8s4OffsetOperand(const MCInst *MI, unsigned OpNum,
                                          const MCSubtargetInfo &STI,
                                          raw_ostream &O);
  void printT2AddrModeSoRegOperand(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);

  void printSetendOperand(const MCInst *MI, unsigned OpNum,
                          const MCSubtargetInfo &STI, raw_ostream &O);
  void printCPSIMod(const MCInst *MI, unsigned OpNum,
                    const MCSubtargetInfo &STI, raw_ostream &O);
  void printCPSIFlag(const MCInst *MI, unsigned OpNum,
                     const MCSubtargetInfo &STI, raw_ostream &O);
  void printMSRMaskOperand(const MCInst *MI, unsigned OpNum,
                           const MCSubtargetInfo &STI, raw_ostream &O);
  void printBankedRegOperand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printPredicateOperand(const MCInst *MI, unsigned OpNum,
                             const MCSubtargetInfo &STI, raw_ostream &O);
  void printMandatoryPredicateOperand(const MCInst *MI, unsigned OpNum,
                                      const MCSubtargetInfo &STI,
                                      raw_ostream &O);
  void printSBitModifierOperand(const MCInst *MI, unsigned OpNum,
                                const MCSubtargetInfo &STI, raw_ostream &O);
  void printRegisterList(const MCInst *MI, unsigned OpNum,
                         const MCSubtargetInfo &STI, raw_ostream &O);
  void printNoHashImmediate(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printPImmediate(const MCInst *MI, unsigned OpNum,
                       const MCSubtargetInfo &STI, raw_ostream &O);
  void printCImmediate(const MCInst *MI, unsigned OpNum,
                       const MCSubtargetInfo &STI, raw_ostream &O);
  void printCoprocOptionImm(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printFPImmOperand(const MCInst *MI, unsigned OpNum,
                         const MCSubtargetInfo &STI, raw_ostream &O);
  void printNEONModImmOperand(const MCInst *MI, unsigned OpNum,
                              const MCSubtargetInfo &STI, raw_ostream &O);
  void printImmPlusOneOperand(const MCInst *MI, unsigned OpNum,
                              const MCSubtargetInfo &STI, raw_ostream &O);
  void printRotImmOperand(const MCInst *MI, unsigned OpNum,
                          const MCSubtargetInfo &STI, raw_ostream &O);
  void printModImmOperand(const MCInst *MI, unsigned OpNum,
                          const MCSubtargetInfo &STI, raw_ostream &O);
  void printGPRPairOperand(const MCInst *MI, unsigned OpNum,
                           const MCSubtargetInfo &STI, raw_ostream &O);

  void printPCLabel(const MCInst *MI, unsigned OpNum,
                    const MCSubtargetInfo &STI, raw_ostream &O);
  void printThumbLdrLabelOperand(const MCInst *MI, unsigned OpNum,
                                 const MCSubtargetInfo &STI, raw_ostream &O);
  void printFBits16(const MCInst *MI, unsigned OpNum,
                    const MCSubtargetInfo &STI, raw_ostream &O);
  void printFBits32(const MCInst *MI, unsigned OpNum,
                    const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorIndex(const MCInst *MI, unsigned OpNum,
                        const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListOne(const MCInst *MI, unsigned OpNum,
                          const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListTwo(const MCInst *MI, unsigned OpNum,
                          const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListTwoSpaced(const MCInst *MI, unsigned OpNum,
                                const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListThree(const MCInst *MI, unsigned OpNum,
                            const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListFour(const MCInst *MI, unsigned OpNum,
                           const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListOneAllLanes(const MCInst *MI, unsigned OpNum,
                                  const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListTwoAllLanes(const MCInst *MI, unsigned OpNum,
                                  const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListThreeAllLanes(const MCInst *MI, unsigned OpNum,
                                    const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListFourAllLanes(const MCInst *MI, unsigned OpNum,
                                   const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListTwoSpacedAllLanes(const MCInst *MI, unsigned OpNum,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O);
  void printVectorListThreeSpacedAllLanes(const MCInst *MI, unsigned OpNum,
                                          const MCSubtargetInfo &STI,
                                          raw_ostream &O);
  void printVectorListFourSpacedAllLanes(const MCInst *MI, unsigned OpNum,
                                         const MCSubtargetInfo &STI,
                                         raw_ostream &O);
  void printVectorListThreeSpaced(const MCInst *MI, unsigned OpNum,
                                  const MCSubtargetInfo &STI, raw_ostream &O);
  void printVectorListFourSpaced(const MCInst *MI, unsigned OpNum,
                                 const MCSubtargetInfo &STI, raw_ostream &O);
  template<int64_t Angle, int64_t Remainder>
  void printComplexRotationOp(const MCInst *MI, unsigned OpNum,
                              const MCSubtargetInfo &STI, raw_ostream &O);

private:
  unsigned DefaultAltIdx = ARM::NoRegAltName;
};

} // end namespace llvm

#endif // LLVM_LIB_TARGET_ARM_INSTPRINTER_ARMINSTPRINTER_H