--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/Target/ARC/ARCInstrInfo.h	Fri Oct 27 17:07:41 2017 +0900
@@ -0,0 +1,94 @@
+//===- ARCInstrInfo.h - ARC 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 ARC implementation of the TargetInstrInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_ARC_ARCINSTRINFO_H
+#define LLVM_LIB_TARGET_ARC_ARCINSTRINFO_H
+
+#include "ARCRegisterInfo.h"
+#include "llvm/Target/TargetInstrInfo.h"
+
+#define GET_INSTRINFO_HEADER
+#include "ARCGenInstrInfo.inc"
+
+namespace llvm {
+
+class ARCSubtarget;
+
+class ARCInstrInfo : public ARCGenInstrInfo {
+  const ARCRegisterInfo RI;
+  virtual void anchor();
+
+public:
+  ARCInstrInfo();
+
+  const ARCRegisterInfo &getRegisterInfo() const { return RI; }
+
+  /// If the specified machine instruction is a direct
+  /// load from a stack slot, return the virtual or physical register number of
+  /// the destination along with the FrameIndex of the loaded stack slot.  If
+  /// not, return 0.  This predicate must return 0 if the instruction has
+  /// any side effects other than loading from the stack slot.
+  unsigned isLoadFromStackSlot(const MachineInstr &MI,
+                               int &FrameIndex) const override;
+
+  /// If the specified machine instruction is a direct
+  /// store to a stack slot, return the virtual or physical register number of
+  /// the source reg along with the FrameIndex of the loaded stack slot.  If
+  /// not, return 0.  This predicate must return 0 if the instruction has
+  /// any side effects other than storing to the stack slot.
+  unsigned isStoreToStackSlot(const MachineInstr &MI,
+                              int &FrameIndex) const override;
+
+  unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
+
+  bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
+                     MachineBasicBlock *&FBB,
+                     SmallVectorImpl<MachineOperand> &Cond,
+                     bool AllowModify) const override;
+
+  unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+                        MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
+                        const DebugLoc &dl,
+                        int *BytesAdded = nullptr) const override;
+
+  unsigned removeBranch(MachineBasicBlock &MBB,
+                        int *BytesRemoved = nullptr) const override;
+
+  void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+                   const DebugLoc &dl, unsigned DestReg, unsigned SrcReg,
+                   bool KillSrc) const override;
+
+  void storeRegToStackSlot(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator MI, unsigned SrcReg,
+                           bool isKill, int FrameIndex,
+                           const TargetRegisterClass *RC,
+                           const TargetRegisterInfo *TRI) const override;
+
+  void loadRegFromStackSlot(MachineBasicBlock &MBB,
+                            MachineBasicBlock::iterator MI, unsigned DestReg,
+                            int FrameIndex, const TargetRegisterClass *RC,
+                            const TargetRegisterInfo *TRI) const override;
+
+  bool
+  reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
+
+  // Emit code before MBBI to load immediate value into physical register Reg.
+  // Returns an iterator to the new instruction.
+  MachineBasicBlock::iterator loadImmediate(MachineBasicBlock &MBB,
+                                            MachineBasicBlock::iterator MI,
+                                            unsigned Reg, uint64_t Value) const;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_ARC_ARCINSTRINFO_H