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diff --git a/lib/Target/AArch64/AArch64.td b/lib/Target/AArch64/AArch64.td
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+++ b/lib/Target/AArch64/AArch64.td
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+//===- AArch64.td - Describe the AArch64 Target Machine ---------*- tblgen -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// This is the top level entry point for the AArch64 target.
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Target-independent interfaces
+//===----------------------------------------------------------------------===//
+
+include "llvm/Target/Target.td"
+
+//===----------------------------------------------------------------------===//
+// AArch64 Subtarget features.
+//
+
+def FeatureNEON : SubtargetFeature<"neon", "HasNEON", "true",
+  "Enable Advanced SIMD instructions">;
+
+def FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true",
+  "Enable cryptographic instructions">;
+
+//===----------------------------------------------------------------------===//
+// AArch64 Processors
+//
+
+include "AArch64Schedule.td"
+
+def : Processor<"generic", GenericItineraries, [FeatureNEON, FeatureCrypto]>;
+
+//===----------------------------------------------------------------------===//
+// Register File Description
+//===----------------------------------------------------------------------===//
+
+include "AArch64RegisterInfo.td"
+
+include "AArch64CallingConv.td"
+
+//===----------------------------------------------------------------------===//
+// Instruction Descriptions
+//===----------------------------------------------------------------------===//
+
+include "AArch64InstrInfo.td"
+
+def AArch64InstrInfo : InstrInfo;
+
+//===----------------------------------------------------------------------===//
+// Assembly printer
+//===----------------------------------------------------------------------===//
+
+def A64InstPrinter : AsmWriter {
+  string AsmWriterClassName = "InstPrinter";
+  bit isMCAsmWriter = 1;
+}
+
+//===----------------------------------------------------------------------===//
+// Declare the target which we are implementing
+//===----------------------------------------------------------------------===//
+
+def AArch64 : Target {
+  let InstructionSet = AArch64InstrInfo;
+  let AssemblyWriters = [A64InstPrinter];
+}