1 //===-- MipsMCInstLower.h - Lower MachineInstr to MCInst -------*- C++ -*--===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 11 #define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 12 #include "MCTargetDesc/MipsMCExpr.h" 13 #include "llvm/ADT/SmallVector.h" 14 #include "llvm/CodeGen/MachineOperand.h" 15 #include "llvm/Support/Compiler.h" 16 17 namespace llvm { 18 class MCContext; 19 class MCInst; 20 class MCOperand; 21 class MachineInstr; 22 class MachineFunction; 23 class MipsAsmPrinter; 24 25 /// MipsMCInstLower - This class is used to lower an MachineInstr into an 26 // MCInst. 27 class LLVM_LIBRARY_VISIBILITY MipsMCInstLower { 28 typedef MachineOperand::MachineOperandType MachineOperandType; 29 MCContext *Ctx; 30 MipsAsmPrinter &AsmPrinter; 31 public: 32 MipsMCInstLower(MipsAsmPrinter &asmprinter); 33 void Initialize(MCContext *C); 34 void Lower(const MachineInstr *MI, MCInst &OutMI) const; 35 MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const; 36 37 private: 38 MCOperand LowerSymbolOperand(const MachineOperand &MO, 39 MachineOperandType MOTy, unsigned Offset) const; 40 MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2, 41 MCSymbolRefExpr::VariantKind Kind) const; 42 void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const; 43 void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI, 44 int Opcode, 45 MCSymbolRefExpr::VariantKind Kind) const; 46 bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const; 47 }; 48 } 49 50 #endif 51
