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//===- SPUInstrInfo.h - Cell SPU Instruction Information --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the CellSPU 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 TargetInstrInfoImpl {
SPUTargetMachine &TM;
const SPURegisterInfo RI;
public:
explicit 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 SPURegisterInfo &getRegisterInfo() const { return RI; }
unsigned isLoadFromStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
unsigned isStoreToStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
virtual void copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const;
//! Store a register to a stack slot, based on its register class.
virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
//! Load a register from a stack slot, based on its register class.
virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
//! Reverses a branch's condition, returning false on success.
virtual
bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;
virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
SmallVectorImpl<MachineOperand> &Cond,
bool AllowModify) const;
virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond,
DebugLoc DL) const;
};
}
#endif
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