LLVM  10.0.0svn
MipsMCInstLower.h
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1 //===- MipsMCInstLower.h - Lower MachineInstr to MCInst --------*- 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 #ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
10 #define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
11 
14 #include "llvm/Support/Compiler.h"
15 
16 namespace llvm {
17 
18 class MachineBasicBlock;
19 class MachineInstr;
20 class MCContext;
21 class MCInst;
22 class MCOperand;
23 class MipsAsmPrinter;
24 
25 /// MipsMCInstLower - This class is used to lower an MachineInstr into an
26 /// MCInst.
29 
30  MCContext *Ctx;
32 
33 public:
34  MipsMCInstLower(MipsAsmPrinter &asmprinter);
35 
36  void Initialize(MCContext *C);
37  void Lower(const MachineInstr *MI, MCInst &OutMI) const;
38  MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const;
39 
40 private:
42  MachineOperandType MOTy, unsigned Offset) const;
43  MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2,
45  void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const;
46  void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI,
47  int Opcode) const;
48  bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const;
49 };
50 
51 } // end namespace llvm
52 
53 #endif // LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
uint64_t CallInst * C
This class represents lattice values for constants.
Definition: AllocatorList.h:23
static MCOperand LowerOperand(const MachineInstr *MI, const MachineOperand &MO, AsmPrinter &AP)
MipsMCInstLower - This class is used to lower an MachineInstr into an MCInst.
Context object for machine code objects.
Definition: MCContext.h:65
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:158
This class is intended to be used as a driving class for all asm writers.
Definition: AsmPrinter.h:78
#define LLVM_LIBRARY_VISIBILITY
LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked into a shared library...
Definition: Compiler.h:115
static MCOperand LowerSymbolOperand(const MachineInstr *MI, const MachineOperand &MO, AsmPrinter &AP)
MachineOperand class - Representation of each machine instruction operand.
Representation of each machine instruction.
Definition: MachineInstr.h:64
IRTranslator LLVM IR MI
Instances of this class represent operands of the MCInst class.
Definition: MCInst.h:34