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+//===- BlackfinInstrInfo.h - Blackfin 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 Blackfin implementation of the TargetInstrInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef BLACKFININSTRUCTIONINFO_H
+#define BLACKFININSTRUCTIONINFO_H
+
+#include "llvm/Target/TargetInstrInfo.h"
+#include "BlackfinRegisterInfo.h"
+
+namespace llvm {
+
+ class BlackfinInstrInfo : public TargetInstrInfoImpl {
+ const BlackfinRegisterInfo RI;
+ const BlackfinSubtarget& Subtarget;
+ public:
+ explicit BlackfinInstrInfo(BlackfinSubtarget &ST);
+
+ /// 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 BlackfinRegisterInfo &getRegisterInfo() const { return RI; }
+
+ virtual bool isMoveInstr(const MachineInstr &MI,
+ unsigned &SrcReg, unsigned &DstReg,
+ unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
+
+ virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const;
+
+ virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const;
+
+ virtual unsigned
+ InsertBranch(MachineBasicBlock &MBB,
+ MachineBasicBlock *TBB,
+ MachineBasicBlock *FBB,
+ const SmallVectorImpl<MachineOperand> &Cond) const;
+
+ virtual bool copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
+
+ virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ unsigned SrcReg, bool isKill,
+ int FrameIndex,
+ const TargetRegisterClass *RC) const;
+
+ virtual void storeRegToAddr(MachineFunction &MF,
+ unsigned SrcReg, bool isKill,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const;
+
+ virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ unsigned DestReg, int FrameIndex,
+ const TargetRegisterClass *RC) const;
+
+ virtual void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const;
+ };
+
+} // end namespace llvm
+
+#endif
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