diff --git a/llvm/lib/DebugInfo/CodeView/ModuleDebugFragment.cpp b/llvm/lib/DebugInfo/CodeView/ModuleDebugFragment.cpp
new file mode 100644
index 0000000..1329f8c
--- /dev/null
+++ b/llvm/lib/DebugInfo/CodeView/ModuleDebugFragment.cpp
@@ -0,0 +1,46 @@
+//===- ModuleDebugFragment.cpp --------------------------------------*- C++
+//-*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/CodeView/ModuleDebugFragment.h"
+
+#include "llvm/Support/BinaryStreamReader.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+ModuleDebugFragment::ModuleDebugFragment()
+    : Kind(ModuleDebugFragmentKind::None) {}
+
+ModuleDebugFragment::ModuleDebugFragment(ModuleDebugFragmentKind Kind,
+                                         BinaryStreamRef Data)
+    : Kind(Kind), Data(Data) {}
+
+Error ModuleDebugFragment::initialize(BinaryStreamRef Stream,
+                                      ModuleDebugFragment &Info) {
+  const ModuleDebugFragmentHeader *Header;
+  BinaryStreamReader Reader(Stream);
+  if (auto EC = Reader.readObject(Header))
+    return EC;
+
+  ModuleDebugFragmentKind Kind =
+      static_cast<ModuleDebugFragmentKind>(uint32_t(Header->Kind));
+  if (auto EC = Reader.readStreamRef(Info.Data, Header->Length))
+    return EC;
+  Info.Kind = Kind;
+  return Error::success();
+}
+
+uint32_t ModuleDebugFragment::getRecordLength() const {
+  return sizeof(ModuleDebugFragmentHeader) + Data.getLength();
+}
+
+ModuleDebugFragmentKind ModuleDebugFragment::kind() const { return Kind; }
+
+BinaryStreamRef ModuleDebugFragment::getRecordData() const { return Data; }