1*09467b48Spatrick //===- MipsMCInstLower.h - Lower MachineInstr to MCInst --------*- C++ -*--===// 2*09467b48Spatrick // 3*09467b48Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*09467b48Spatrick // See https://llvm.org/LICENSE.txt for license information. 5*09467b48Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*09467b48Spatrick // 7*09467b48Spatrick //===----------------------------------------------------------------------===// 8*09467b48Spatrick 9*09467b48Spatrick #ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 10*09467b48Spatrick #define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 11*09467b48Spatrick 12*09467b48Spatrick #include "MCTargetDesc/MipsMCExpr.h" 13*09467b48Spatrick #include "llvm/CodeGen/MachineOperand.h" 14*09467b48Spatrick #include "llvm/Support/Compiler.h" 15*09467b48Spatrick 16*09467b48Spatrick namespace llvm { 17*09467b48Spatrick 18*09467b48Spatrick class MachineBasicBlock; 19*09467b48Spatrick class MachineInstr; 20*09467b48Spatrick class MCContext; 21*09467b48Spatrick class MCInst; 22*09467b48Spatrick class MCOperand; 23*09467b48Spatrick class MipsAsmPrinter; 24*09467b48Spatrick 25*09467b48Spatrick /// MipsMCInstLower - This class is used to lower an MachineInstr into an 26*09467b48Spatrick /// MCInst. 27*09467b48Spatrick class LLVM_LIBRARY_VISIBILITY MipsMCInstLower { 28*09467b48Spatrick using MachineOperandType = MachineOperand::MachineOperandType; 29*09467b48Spatrick 30*09467b48Spatrick MCContext *Ctx; 31*09467b48Spatrick MipsAsmPrinter &AsmPrinter; 32*09467b48Spatrick 33*09467b48Spatrick public: 34*09467b48Spatrick MipsMCInstLower(MipsAsmPrinter &asmprinter); 35*09467b48Spatrick 36*09467b48Spatrick void Initialize(MCContext *C); 37*09467b48Spatrick void Lower(const MachineInstr *MI, MCInst &OutMI) const; 38*09467b48Spatrick MCOperand LowerOperand(const MachineOperand &MO, int64_t offset = 0) const; 39*09467b48Spatrick 40*09467b48Spatrick private: 41*09467b48Spatrick MCOperand LowerSymbolOperand(const MachineOperand &MO, 42*09467b48Spatrick MachineOperandType MOTy, int64_t Offset) const; 43*09467b48Spatrick MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2, 44*09467b48Spatrick MipsMCExpr::MipsExprKind Kind) const; 45*09467b48Spatrick void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const; 46*09467b48Spatrick void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI, 47*09467b48Spatrick int Opcode) const; 48*09467b48Spatrick bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const; 49*09467b48Spatrick }; 50*09467b48Spatrick 51*09467b48Spatrick } // end namespace llvm 52*09467b48Spatrick 53*09467b48Spatrick #endif // LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 54