forked from OSchip/llvm-project
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
//===- AlphaInstrInfo.h - Alpha Instruction Information ---------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the Alpha implementation of the TargetInstrInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef ALPHAINSTRUCTIONINFO_H
|
|
#define ALPHAINSTRUCTIONINFO_H
|
|
|
|
#include "llvm/Target/TargetInstrInfo.h"
|
|
#include "AlphaRegisterInfo.h"
|
|
|
|
namespace llvm {
|
|
|
|
class AlphaInstrInfo : public TargetInstrInfo {
|
|
const AlphaRegisterInfo RI;
|
|
public:
|
|
AlphaInstrInfo();
|
|
|
|
/// 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 &SrcReg, unsigned &DstReg) const;
|
|
|
|
virtual unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
|
|
virtual unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
|
|
|
|
virtual void InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
|
|
MachineBasicBlock *FBB,
|
|
const std::vector<MachineOperand> &Cond) const;
|
|
bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
|
|
MachineBasicBlock *&FBB,
|
|
std::vector<MachineOperand> &Cond) const;
|
|
void RemoveBranch(MachineBasicBlock &MBB) const;
|
|
void insertNoop(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI) const;
|
|
bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
|
|
bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|