llvm/lib/Target/Alpha/AlphaInstrInfo.h
Andrew Lenharth f81173f70e Add all that branch mangling niftiness
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31313 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-31 16:49:55 +00:00

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