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diff --git a/lib/Target/AArch64/AArch64InstructionSelector.h b/lib/Target/AArch64/AArch64InstructionSelector.h
new file mode 100644
index 000000000000..0d44e696ac20
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+++ b/lib/Target/AArch64/AArch64InstructionSelector.h
@@ -0,0 +1,47 @@
+//===- AArch64InstructionSelector --------------------------------*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This file declares the targeting of the InstructionSelector class for
+/// AArch64.
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64INSTRUCTIONSELECTOR_H
+#define LLVM_LIB_TARGET_AARCH64_AARCH64INSTRUCTIONSELECTOR_H
+
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
+
+namespace llvm {
+class AArch64InstrInfo;
+class AArch64RegisterBankInfo;
+class AArch64RegisterInfo;
+class AArch64Subtarget;
+class AArch64TargetMachine;
+
+class AArch64InstructionSelector : public InstructionSelector {
+public:
+  AArch64InstructionSelector(const AArch64TargetMachine &TM,
+                             const AArch64Subtarget &STI,
+                             const AArch64RegisterBankInfo &RBI);
+
+  virtual bool select(MachineInstr &I) const override;
+
+private:
+  /// tblgen-erated 'select' implementation, used as the initial selector for
+  /// the patterns that don't require complex C++.
+  bool selectImpl(MachineInstr &I) const;
+
+  const AArch64TargetMachine &TM;
+  const AArch64Subtarget &STI;
+  const AArch64InstrInfo &TII;
+  const AArch64RegisterInfo &TRI;
+  const AArch64RegisterBankInfo &RBI;
+};
+
+} // End llvm namespace.
+#endif