llvm/lib/Target/AArch64/AArch64MCInstLower.h

   1 //===-- AArch64MCInstLower.h - Lower MachineInstr to MCInst ---------------===//
   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 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MCINSTLOWER_H
  10 #define LLVM_LIB_TARGET_AARCH64_AARCH64MCINSTLOWER_H
  11
  12 #include "llvm/IR/GlobalValue.h"
  13 #include "llvm/Support/Compiler.h"
  14 #include "llvm/TargetParser/Triple.h"
  15
  16 namespace llvm {
  17 class AsmPrinter;
  18 class MCContext;
  19 class MCInst;
  20 class MCOperand;
  21 class MCSymbol;
  22 class MachineInstr;
  23 class MachineOperand;
  24
  25 /// AArch64MCInstLower - This class is used to lower an MachineInstr
  26 /// into an MCInst.
  27 class LLVM_LIBRARY_VISIBILITY AArch64MCInstLower {
  28   MCContext &Ctx;
  29   AsmPrinter &Printer;
  30   Triple TargetTriple;
  31
  32 public:
  33   AArch64MCInstLower(MCContext &ctx, AsmPrinter &printer);
  34
  35   bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const;
  36   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
  37
  38   MCOperand lowerSymbolOperandMachO(const MachineOperand &MO,
  39                                     MCSymbol *Sym) const;
  40   MCOperand lowerSymbolOperandELF(const MachineOperand &MO,
  41                                   MCSymbol *Sym) const;
  42   MCOperand lowerSymbolOperandCOFF(const MachineOperand &MO,
  43                                    MCSymbol *Sym) const;
  44   MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
  45
  46   MCSymbol *GetGlobalValueSymbol(const GlobalValue *GV,
  47                                  unsigned TargetFlags) const;
  48   MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
  49   MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
  50 };
  51 }
  52
  53 #endif