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diff --git a/llvm/lib/Target/Nios2/Nios2Subtarget.h b/llvm/lib/Target/Nios2/Nios2Subtarget.h
new file mode 100644
index 00000000000..07ff8d957cb
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+++ b/llvm/lib/Target/Nios2/Nios2Subtarget.h
@@ -0,0 +1,88 @@
+//===-- Nios2Subtarget.h - Define Subtarget for the Nios2 -------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Nios2 specific subclass of TargetSubtargetInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_NIOS2_NIOS2SUBTARGET_H
+#define LLVM_LIB_TARGET_NIOS2_NIOS2SUBTARGET_H
+
+#include "Nios2FrameLowering.h"
+#include "Nios2InstrInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
+
+#define GET_SUBTARGETINFO_HEADER
+#include "Nios2GenSubtargetInfo.inc"
+
+namespace llvm {
+class StringRef;
+
+class Nios2TargetMachine;
+
+class Nios2Subtarget : public Nios2GenSubtargetInfo {
+  virtual void anchor();
+
+public:
+  // Nios2 R2 features
+  // Bit manipulation instructions extension
+  bool HasBMX;
+  // Code Density instructions extension
+  bool HasCDX;
+  // Multi-Processor instructions extension
+  bool HasMPX;
+  // New mandatory instructions
+  bool HasR2Mandatory;
+
+protected:
+  enum Nios2ArchEnum {
+    // Nios2 R1 ISA
+    Nios2r1,
+    // Nios2 R2 ISA
+    Nios2r2
+  };
+
+  // Nios2 architecture version
+  Nios2ArchEnum Nios2ArchVersion;
+
+  const Nios2TargetMachine &TM;
+
+  Triple TargetTriple;
+
+  std::unique_ptr<const Nios2InstrInfo> InstrInfo;
+  std::unique_ptr<const Nios2FrameLowering> FrameLowering;
+
+public:
+  /// This constructor initializes the data members to match that
+  /// of the specified triple.
+  Nios2Subtarget(const Triple &TT, const std::string &CPU,
+                 const std::string &FS, const Nios2TargetMachine &_TM);
+
+  /// ParseSubtargetFeatures - Parses features string setting specified
+  /// subtarget options.  Definition of function is auto generated by tblgen.
+  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+
+  bool hasNios2r1() const { return Nios2ArchVersion >= Nios2r1; }
+  bool isNios2r1() const { return Nios2ArchVersion == Nios2r1; }
+  bool hasNios2r2() const { return Nios2ArchVersion >= Nios2r2; }
+  bool isNios2r2() const { return Nios2ArchVersion == Nios2r2; }
+
+  Nios2Subtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS,
+                                                  const TargetMachine &TM);
+
+  const TargetFrameLowering *getFrameLowering() const override {
+    return FrameLowering.get();
+  }
+  const Nios2RegisterInfo *getRegisterInfo() const override {
+    return &InstrInfo->getRegisterInfo();
+  }
+};
+} // namespace llvm
+
+#endif