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llvm-mirror/lib/Target/IA64/IA64InstrInfo.h
Duraid Madina 79022e1b87 and so it begins...
PHASE 1: write instruction selector
PHASE 2: ???
PHASE 3: profit!

llvm-svn: 20652
2005-03-17 18:17:03 +00:00

51 lines
1.5 KiB
C++

//===- IA64InstrInfo.h - IA64 Instruction Information ----------*- C++ -*- ===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Duraid Madina and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the IA64 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef IA64INSTRUCTIONINFO_H
#define IA64INSTRUCTIONINFO_H
#include "llvm/Target/TargetInstrInfo.h"
#include "IA64RegisterInfo.h"
namespace llvm {
/// IA64II - This namespace holds all of the target specific flags that
/// instruction info tracks.
/// FIXME: now gone!
class IA64InstrInfo : public TargetInstrInfo {
const IA64RegisterInfo RI;
public:
IA64InstrInfo();
/// 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; }
//
// 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& sourceReg,
unsigned& destReg) const;
};
} // End llvm namespace
#endif