llvm-6502/lib/Target/ARM/ARMInstrInfo.h
2006-08-08 20:35:03 +00:00

48 lines
1.5 KiB
C++

//===- ARMInstrInfo.h - ARM Instruction Information --------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the "Instituto Nokia de Tecnologia" and
// is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the ARM implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef ARMINSTRUCTIONINFO_H
#define ARMINSTRUCTIONINFO_H
#include "llvm/Target/TargetInstrInfo.h"
#include "ARMRegisterInfo.h"
namespace llvm {
class ARMInstrInfo : public TargetInstrInfo {
const ARMRegisterInfo RI;
public:
ARMInstrInfo();
/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
/// such, whenever a client has an instance of instruction info, it should
/// always be able to get register info as well (through this method).
///
virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
/// getPointerRegClass - Return the register class to use to hold pointers.
/// This is used for addressing modes.
virtual const TargetRegisterClass *getPointerRegClass() const;
/// Return true if the instruction is a register to register move and
/// leave the source and dest operands in the passed parameters.
///
virtual bool isMoveInstr(const MachineInstr &MI,
unsigned &SrcReg, unsigned &DstReg) const;
};
}
#endif