1 //===- ARMInstrInfo.h - ARM Instruction Information --------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the "Instituto Nokia de Tecnologia" and
6 // is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 // This file contains the ARM implementation of the TargetInstrInfo class.
13 //===----------------------------------------------------------------------===//
15 #ifndef ARMINSTRUCTIONINFO_H
16 #define ARMINSTRUCTIONINFO_H
18 #include "llvm/Target/TargetInstrInfo.h"
19 #include "ARMRegisterInfo.h"
23 class ARMInstrInfo : public TargetInstrInfo {
24 const ARMRegisterInfo RI;
28 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
29 /// such, whenever a client has an instance of instruction info, it should
30 /// always be able to get register info as well (through this method).
32 virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
34 /// getPointerRegClass - Return the register class to use to hold pointers.
35 /// This is used for addressing modes.
36 virtual const TargetRegisterClass *getPointerRegClass() const;
38 /// Return true if the instruction is a register to register move and
39 /// leave the source and dest operands in the passed parameters.
41 virtual bool isMoveInstr(const MachineInstr &MI,
42 unsigned &SrcReg, unsigned &DstReg) const;
44 virtual void InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
45 MachineBasicBlock *FBB,
46 const std::vector<MachineOperand> &Cond) const;