Index: llvm/trunk/include/llvm/BinaryFormat/Dwarf.h
===================================================================
--- llvm/trunk/include/llvm/BinaryFormat/Dwarf.h
+++ llvm/trunk/include/llvm/BinaryFormat/Dwarf.h
@@ -528,9 +528,6 @@
 /// Constants that define the DWARF format as 32 or 64 bit.
 enum DwarfFormat : uint8_t { DWARF32, DWARF64 };
 
-/// The Bernstein hash function used by the accelerator tables.
-uint32_t djbHash(StringRef Buffer, uint32_t H = 5381);
-
 } // End of namespace dwarf
 
 } // End of namespace llvm
Index: llvm/trunk/include/llvm/Support/DJB.h
===================================================================
--- llvm/trunk/include/llvm/Support/DJB.h
+++ llvm/trunk/include/llvm/Support/DJB.h
@@ -0,0 +1,25 @@
+//===-- llvm/Support/DJB.h ---DJB Hash --------------------------*- 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 support for the DJ Bernstein hash function.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_DJB_H
+#define LLVM_SUPPORT_DJB_H
+
+#include "llvm/ADT/StringRef.h"
+
+namespace llvm {
+
+/// The Bernstein hash function used by the DWARF accelerator tables.
+uint32_t djbHash(StringRef Buffer, uint32_t H = 5381);
+} // namespace llvm
+
+#endif // LLVM_SUPPORT_DJB_H
Index: llvm/trunk/lib/BinaryFormat/Dwarf.cpp
===================================================================
--- llvm/trunk/lib/BinaryFormat/Dwarf.cpp
+++ llvm/trunk/lib/BinaryFormat/Dwarf.cpp
@@ -589,9 +589,3 @@
   }
   return ExtensionsOk;
 }
-
-uint32_t llvm::dwarf::djbHash(StringRef Buffer, uint32_t H) {
-  for (char C : Buffer.bytes())
-    H = ((H << 5) + H) + C;
-  return H;
-}
Index: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
===================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
@@ -23,6 +23,7 @@
 #include "llvm/CodeGen/DwarfStringPoolEntry.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/Allocator.h"
+#include "llvm/Support/DJB.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
@@ -192,7 +193,7 @@
 
     HashData(StringRef S, DwarfAccelTable::DataArray &Data)
         : Str(S), Data(Data) {
-      HashValue = dwarf::djbHash(S);
+      HashValue = djbHash(S);
     }
 
 #ifndef NDEBUG
Index: llvm/trunk/lib/DebugInfo/DWARF/DWARFAcceleratorTable.cpp
===================================================================
--- llvm/trunk/lib/DebugInfo/DWARF/DWARFAcceleratorTable.cpp
+++ llvm/trunk/lib/DebugInfo/DWARF/DWARFAcceleratorTable.cpp
@@ -13,6 +13,7 @@
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/DebugInfo/DWARF/DWARFRelocMap.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/DJB.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cstddef>
@@ -236,7 +237,7 @@
     return make_range(ValueIterator(), ValueIterator());
 
   // Find the bucket.
-  unsigned HashValue = dwarf::djbHash(Key);
+  unsigned HashValue = djbHash(Key);
   unsigned Bucket = HashValue % Hdr.NumBuckets;
   unsigned BucketBase = sizeof(Hdr) + Hdr.HeaderDataLength;
   unsigned HashesBase = BucketBase + Hdr.NumBuckets * 4;
Index: llvm/trunk/lib/Support/CMakeLists.txt
===================================================================
--- llvm/trunk/lib/Support/CMakeLists.txt
+++ llvm/trunk/lib/Support/CMakeLists.txt
@@ -59,6 +59,7 @@
   DebugCounter.cpp
   DeltaAlgorithm.cpp
   DAGDeltaAlgorithm.cpp
+  DJB.cpp
   Error.cpp
   ErrorHandling.cpp
   FileUtilities.cpp
Index: llvm/trunk/lib/Support/DJB.cpp
===================================================================
--- llvm/trunk/lib/Support/DJB.cpp
+++ llvm/trunk/lib/Support/DJB.cpp
@@ -0,0 +1,20 @@
+//===-- Support/DJB.cpp ---DJB Hash -----------------------------*- 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 support for the DJ Bernstein hash function.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/DJB.h"
+
+uint32_t llvm::djbHash(StringRef Buffer, uint32_t H) {
+  for (char C : Buffer.bytes())
+    H = ((H << 5) + H) + C;
+  return H;
+}