llvm-6502/lib/Target/CellSPU/SPUInstrInfo.h
Scott Michel 6637752998 More files in the CellSPU drop...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44584 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-04 22:35:58 +00:00

55 lines
1.8 KiB
C++

//===- SPUInstrInfo.h - Cell SPU Instruction Information --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by a team from the Computer Systems Research
// Department at The Aerospace Corporation.
//
// See README.txt for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the PowerPC implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef SPU_INSTRUCTIONINFO_H
#define SPU_INSTRUCTIONINFO_H
#include "SPU.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "SPURegisterInfo.h"
namespace llvm {
//! Cell SPU instruction information class
class SPUInstrInfo : public TargetInstrInfo
{
SPUTargetMachine &TM;
const SPURegisterInfo RI;
public:
SPUInstrInfo(SPUTargetMachine &tm);
/// 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& sourceReg,
unsigned& destReg) const;
unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
};
}
#endif