Check in LLVM r95781.
diff --git a/lib/Target/Alpha/AlphaSubtarget.cpp b/lib/Target/Alpha/AlphaSubtarget.cpp
new file mode 100644
index 0000000..bda7104
--- /dev/null
+++ b/lib/Target/Alpha/AlphaSubtarget.cpp
@@ -0,0 +1,25 @@
+//===- AlphaSubtarget.cpp - Alpha Subtarget 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 implements the Alpha specific subclass of TargetSubtarget.
+//
+//===----------------------------------------------------------------------===//
+
+#include "AlphaSubtarget.h"
+#include "Alpha.h"
+#include "AlphaGenSubtarget.inc"
+using namespace llvm;
+
+AlphaSubtarget::AlphaSubtarget(const std::string &TT, const std::string &FS)
+  : HasCT(false) {
+  std::string CPU = "generic";
+
+  // Parse features string.
+  ParseSubtargetFeatures(FS, CPU);
+}