vendor/llvm/llvm-trunk-r366426

97 files changed, 782 insertions, 549 deletions

diff --git a/lib/DebugInfo/PDB/DIA/DIADataStream.cpp b/lib/DebugInfo/PDB/DIA/DIADataStream.cpp
index 6a10513fad97..8a806f298d0f 100644
--- a/lib/DebugInfo/PDB/DIA/DIADataStream.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIADataStream.cpp
@@ -1,9 +1,8 @@
 //===- DIADataStream.cpp - DIA implementation of IPDBDataStream -*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumDebugStreams.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumDebugStreams.cpp
index d2451f13e6cb..e4cb4daf94b1 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumDebugStreams.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumDebugStreams.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumDebugStreams.cpp - DIA Debug Stream Enumerator impl -*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumFrameData.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumFrameData.cpp
index f873f3525df5..8a181b448a27 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumFrameData.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumFrameData.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumFrameData.cpp ---------------------------------------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumInjectedSources.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumInjectedSources.cpp
index 6c361b81e33d..7226ab2ba0a0 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumInjectedSources.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumInjectedSources.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumSourceFiles.cpp - DIA Source File Enumerator impl ---*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp
index 0820d9dc7c9f..6f1d7733fb2d 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumLineNumbers.cpp - DIA Line Number Enumerator impl ---*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumSectionContribs.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumSectionContribs.cpp
index 90c857aa5713..4f9b232a024a 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumSectionContribs.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumSectionContribs.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumSectionContribs.cpp ---------------------------------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp
index 06595e7ec1c8..943e9e1b4d58 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumSourceFiles.cpp - DIA Source File Enumerator impl ---*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumSymbols.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumSymbols.cpp
index 48bc32767e6c..5153596d52ae 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumSymbols.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumSymbols.cpp
@@ -1,9 +1,8 @@
 //==- DIAEnumSymbols.cpp - DIA Symbol Enumerator impl ------------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp b/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp
index 6fa096156d48..335b575d6542 100644
--- a/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp
@@ -1,9 +1,8 @@
 //===- DIAEnumTables.cpp - DIA Table Enumerator Impl ------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAFrameData.cpp b/lib/DebugInfo/PDB/DIA/DIAFrameData.cpp
index 533cce7923c0..7975156b1abd 100644
--- a/lib/DebugInfo/PDB/DIA/DIAFrameData.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAFrameData.cpp
@@ -1,9 +1,8 @@
 //===- DIAFrameData.cpp - DIA impl. of IPDBFrameData -------------- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIAInjectedSource.cpp b/lib/DebugInfo/PDB/DIA/DIAInjectedSource.cpp
index 1d642f221d79..032b230b5faa 100644
--- a/lib/DebugInfo/PDB/DIA/DIAInjectedSource.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIAInjectedSource.cpp
@@ -1,9 +1,8 @@
 //===- DIAInjectedSource.cpp - DIA impl for IPDBInjectedSource --*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -42,11 +41,11 @@ std::string DIAInjectedSource::getVirtualFileName() const {
                           &IDiaInjectedSource::get_virtualFilename);
 }
 
-PDB_SourceCompression DIAInjectedSource::getCompression() const {
+uint32_t DIAInjectedSource::getCompression() const {
   DWORD Compression = 0;
   if (S_OK != SourceFile->get_sourceCompression(&Compression))
     return PDB_SourceCompression::None;
-  return static_cast<PDB_SourceCompression>(Compression);
+  return static_cast<uint32_t>(Compression);
 }
 
 std::string DIAInjectedSource::getCode() const {
diff --git a/lib/DebugInfo/PDB/DIA/DIALineNumber.cpp b/lib/DebugInfo/PDB/DIA/DIALineNumber.cpp
index b19be6b595ab..3af02ea36c7b 100644
--- a/lib/DebugInfo/PDB/DIA/DIALineNumber.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIALineNumber.cpp
@@ -1,9 +1,8 @@
 //===- DIALineNumber.cpp - DIA implementation of IPDBLineNumber -*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp b/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
index cd4d00a13b18..a8ae076e1d6c 100644
--- a/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
@@ -1,9 +1,8 @@
 //===- DIARawSymbol.cpp - DIA implementation of IPDBRawSymbol ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIASectionContrib.cpp b/lib/DebugInfo/PDB/DIA/DIASectionContrib.cpp
index 8e233ca15161..e2d928f2c4b2 100644
--- a/lib/DebugInfo/PDB/DIA/DIASectionContrib.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIASectionContrib.cpp
@@ -1,9 +1,8 @@
 //===- DIASectionContrib.cpp - DIA impl. of IPDBSectionContrib ---- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIASession.cpp b/lib/DebugInfo/PDB/DIA/DIASession.cpp
index bd375e172ac0..4e0b8587c613 100644
--- a/lib/DebugInfo/PDB/DIA/DIASession.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIASession.cpp
@@ -1,9 +1,8 @@
 //===- DIASession.cpp - DIA implementation of IPDBSession -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
diff --git a/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp b/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp
index d3e408166a87..21e757c3a060 100644
--- a/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp
@@ -1,9 +1,8 @@
 //===- DIASourceFile.cpp - DIA implementation of IPDBSourceFile -*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/DIA/DIATable.cpp b/lib/DebugInfo/PDB/DIA/DIATable.cpp
index 6017081b2cb6..33d74abd740e 100644
--- a/lib/DebugInfo/PDB/DIA/DIATable.cpp
+++ b/lib/DebugInfo/PDB/DIA/DIATable.cpp
@@ -1,9 +1,8 @@
 //===- DIATable.cpp - DIA implementation of IPDBTable -----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/GenericError.cpp b/lib/DebugInfo/PDB/GenericError.cpp
index 256952073e88..70dc094c42ec 100644
--- a/lib/DebugInfo/PDB/GenericError.cpp
+++ b/lib/DebugInfo/PDB/GenericError.cpp
@@ -1,9 +1,8 @@
 //===- Error.cpp - system_error extensions for PDB --------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -14,6 +13,7 @@
 using namespace llvm;
 using namespace llvm::pdb;
 
+namespace {
 // FIXME: This class is only here to support the transition to llvm::Error. It
 // will be removed once this transition is complete. Clients should prefer to
 // deal with the Error value directly, rather than converting to error_code.
@@ -40,6 +40,7 @@ public:
     llvm_unreachable("Unrecognized generic_error_code");
   }
 };
+} // namespace
 
 static llvm::ManagedStatic<PDBErrorCategory> PDBCategory;
 const std::error_category &llvm::pdb::PDBErrCategory() { return *PDBCategory; }
diff --git a/lib/DebugInfo/PDB/IPDBSourceFile.cpp b/lib/DebugInfo/PDB/IPDBSourceFile.cpp
index 8cb1fbef51f4..113ee04bab95 100644
--- a/lib/DebugInfo/PDB/IPDBSourceFile.cpp
+++ b/lib/DebugInfo/PDB/IPDBSourceFile.cpp
@@ -1,9 +1,8 @@
 //===- IPDBSourceFile.cpp - base interface for a PDB source file ----------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/DbiModuleDescriptor.cpp b/lib/DebugInfo/PDB/Native/DbiModuleDescriptor.cpp
index 931ac7bb81db..5095efcdee3c 100644
--- a/lib/DebugInfo/PDB/Native/DbiModuleDescriptor.cpp
+++ b/lib/DebugInfo/PDB/Native/DbiModuleDescriptor.cpp
@@ -1,9 +1,8 @@
 //===- DbiModuleDescriptor.cpp - PDB module information -------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp b/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp
index ab93efc839a9..20b6c6142547 100644
--- a/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp
@@ -1,9 +1,8 @@
 //===- DbiModuleDescriptorBuilder.cpp - PDB Mod Info Creation ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -104,7 +103,6 @@ uint32_t DbiModuleDescriptorBuilder::calculateSerializedLength() const {
 }
 
 void DbiModuleDescriptorBuilder::finalize() {
-  Layout.SC.Imod = Layout.Mod;
   Layout.FileNameOffs = 0; // TODO: Fix this
   Layout.Flags = 0;        // TODO: Fix this
   Layout.C11Bytes = 0;
@@ -117,12 +115,15 @@ void DbiModuleDescriptorBuilder::finalize() {
 
   // This value includes both the signature field as well as the record bytes
   // from the symbol stream.
-  Layout.SymBytes = SymbolByteSize + sizeof(uint32_t);
+  Layout.SymBytes =
+      Layout.ModDiStream == kInvalidStreamIndex ? 0 : getNextSymbolOffset();
 }
 
 Error DbiModuleDescriptorBuilder::finalizeMsfLayout() {
   this->Layout.ModDiStream = kInvalidStreamIndex;
   uint32_t C13Size = calculateC13DebugInfoSize();
+  if (!C13Size && !SymbolByteSize)
+    return Error::success();
   auto ExpectedSN =
       MSF.addStream(calculateDiSymbolStreamSize(SymbolByteSize, C13Size));
   if (!ExpectedSN)
diff --git a/lib/DebugInfo/PDB/Native/DbiModuleList.cpp b/lib/DebugInfo/PDB/Native/DbiModuleList.cpp
index eea70b229c67..5cf014e881cd 100644
--- a/lib/DebugInfo/PDB/Native/DbiModuleList.cpp
+++ b/lib/DebugInfo/PDB/Native/DbiModuleList.cpp
@@ -1,9 +1,8 @@
 //===- DbiModuleList.cpp - PDB module information list --------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/DbiStream.cpp b/lib/DebugInfo/PDB/Native/DbiStream.cpp
index 60ac17b655a7..4eb16804171d 100644
--- a/lib/DebugInfo/PDB/Native/DbiStream.cpp
+++ b/lib/DebugInfo/PDB/Native/DbiStream.cpp
@@ -1,9 +1,8 @@
 //===- DbiStream.cpp - PDB Dbi Stream (Stream 3) Access -------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -127,8 +126,10 @@ Error DbiStream::reload(PDBFile *Pdb) {
     return EC;
   if (auto EC = initializeSectionMapData())
     return EC;
-  if (auto EC = initializeFpoRecords(Pdb))
+  if (auto EC = initializeOldFpoRecords(Pdb))
     return EC;
+  if (auto EC = initializeNewFpoRecords(Pdb))
+     return EC;
 
   if (Reader.bytesRemaining() > 0)
     return make_error<RawError>(raw_error_code::corrupt_file,
@@ -201,8 +202,16 @@ FixedStreamArray<object::coff_section> DbiStream::getSectionHeaders() const {
   return SectionHeaders;
 }
 
-FixedStreamArray<object::FpoData> DbiStream::getFpoRecords() {
-  return FpoRecords;
+bool DbiStream::hasOldFpoRecords() const { return OldFpoStream != nullptr; }
+
+FixedStreamArray<object::FpoData> DbiStream::getOldFpoRecords() const {
+  return OldFpoRecords;
+}
+
+bool DbiStream::hasNewFpoRecords() const { return NewFpoStream != nullptr; }
+
+const DebugFrameDataSubsectionRef &DbiStream::getNewFpoRecords() const {
+  return NewFpoRecords;
 }
 
 const DbiModuleList &DbiStream::modules() const { return Modules; }
@@ -247,22 +256,15 @@ Error DbiStream::initializeSectionContributionData() {
 
 // Initializes this->SectionHeaders.
 Error DbiStream::initializeSectionHeadersData(PDBFile *Pdb) {
-  if (!Pdb)
-    return Error::success();
-
-  if (DbgStreams.size() == 0)
-    return Error::success();
+  Expected<std::unique_ptr<msf::MappedBlockStream>> ExpectedStream =
+      createIndexedStreamForHeaderType(Pdb, DbgHeaderType::SectionHdr);
+  if (auto EC = ExpectedStream.takeError())
+    return EC;
 
-  uint32_t StreamNum = getDebugStreamIndex(DbgHeaderType::SectionHdr);
-  if (StreamNum == kInvalidStreamIndex)
+  auto &SHS = *ExpectedStream;
+  if (!SHS)
     return Error::success();
 
-  if (StreamNum >= Pdb->getNumStreams())
-    return make_error<RawError>(raw_error_code::no_stream);
-
-  auto SHS = MappedBlockStream::createIndexedStream(
-      Pdb->getMsfLayout(), Pdb->getMsfBuffer(), StreamNum, Pdb->getAllocator());
-
   size_t StreamLen = SHS->getLength();
   if (StreamLen % sizeof(object::coff_section))
     return make_error<RawError>(raw_error_code::corrupt_file,
@@ -279,39 +281,65 @@ Error DbiStream::initializeSectionHeadersData(PDBFile *Pdb) {
 }
 
 // Initializes this->Fpos.
-Error DbiStream::initializeFpoRecords(PDBFile *Pdb) {
-  if (!Pdb)
-    return Error::success();
-
-  if (DbgStreams.size() == 0)
-    return Error::success();
-
-  uint32_t StreamNum = getDebugStreamIndex(DbgHeaderType::NewFPO);
+Error DbiStream::initializeOldFpoRecords(PDBFile *Pdb) {
+  Expected<std::unique_ptr<msf::MappedBlockStream>> ExpectedStream =
+      createIndexedStreamForHeaderType(Pdb, DbgHeaderType::FPO);
+  if (auto EC = ExpectedStream.takeError())
+    return EC;
 
-  // This means there is no FPO data.
-  if (StreamNum == kInvalidStreamIndex)
+  auto &FS = *ExpectedStream;
+  if (!FS)
     return Error::success();
 
-  if (StreamNum >= Pdb->getNumStreams())
-    return make_error<RawError>(raw_error_code::no_stream);
-
-  auto FS = MappedBlockStream::createIndexedStream(
-      Pdb->getMsfLayout(), Pdb->getMsfBuffer(), StreamNum, Pdb->getAllocator());
-
   size_t StreamLen = FS->getLength();
   if (StreamLen % sizeof(object::FpoData))
     return make_error<RawError>(raw_error_code::corrupt_file,
-                                "Corrupted New FPO stream.");
+                                "Corrupted Old FPO stream.");
 
   size_t NumRecords = StreamLen / sizeof(object::FpoData);
   BinaryStreamReader Reader(*FS);
-  if (auto EC = Reader.readArray(FpoRecords, NumRecords))
+  if (auto EC = Reader.readArray(OldFpoRecords, NumRecords))
     return make_error<RawError>(raw_error_code::corrupt_file,
-                                "Corrupted New FPO stream.");
-  FpoStream = std::move(FS);
+                                "Corrupted Old FPO stream.");
+  OldFpoStream = std::move(FS);
   return Error::success();
 }
 
+Error DbiStream::initializeNewFpoRecords(PDBFile *Pdb) {
+  Expected<std::unique_ptr<msf::MappedBlockStream>> ExpectedStream =
+      createIndexedStreamForHeaderType(Pdb, DbgHeaderType::NewFPO);
+  if (auto EC = ExpectedStream.takeError())
+    return EC;
+
+  auto &FS = *ExpectedStream;
+  if (!FS)
+    return Error::success();
+
+  if (auto EC = NewFpoRecords.initialize(*FS))
+    return EC;
+
+  NewFpoStream = std::move(FS);
+  return Error::success();
+}
+
+Expected<std::unique_ptr<msf::MappedBlockStream>>
+DbiStream::createIndexedStreamForHeaderType(PDBFile *Pdb,
+                                            DbgHeaderType Type) const {
+  if (!Pdb)
+    return nullptr;
+
+  if (DbgStreams.empty())
+    return nullptr;
+
+  uint32_t StreamNum = getDebugStreamIndex(Type);
+
+  // This means there is no such stream.
+  if (StreamNum == kInvalidStreamIndex)
+    return nullptr;
+
+  return Pdb->safelyCreateIndexedStream(StreamNum);
+}
+
 BinarySubstreamRef DbiStream::getSectionContributionData() const {
   return SecContrSubstream;
 }
diff --git a/lib/DebugInfo/PDB/Native/DbiStreamBuilder.cpp b/lib/DebugInfo/PDB/Native/DbiStreamBuilder.cpp
index 094216ea800a..b7ade0072ee5 100644
--- a/lib/DebugInfo/PDB/Native/DbiStreamBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/DbiStreamBuilder.cpp
@@ -1,9 +1,8 @@
 //===- DbiStreamBuilder.cpp - PDB Dbi Stream Creation -----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/EnumTables.cpp b/lib/DebugInfo/PDB/Native/EnumTables.cpp
index b3837dc72e5b..f5125393695b 100644
--- a/lib/DebugInfo/PDB/Native/EnumTables.cpp
+++ b/lib/DebugInfo/PDB/Native/EnumTables.cpp
@@ -1,9 +1,8 @@
 //===- EnumTables.cpp - Enum to string conversion tables --------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/GSIStreamBuilder.cpp b/lib/DebugInfo/PDB/Native/GSIStreamBuilder.cpp
index 57da7003da2b..8ed5b8b44c59 100644
--- a/lib/DebugInfo/PDB/Native/GSIStreamBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/GSIStreamBuilder.cpp
@@ -1,9 +1,8 @@
 //===- DbiStreamBuilder.cpp - PDB Dbi Stream Creation -----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -31,14 +30,14 @@ using namespace llvm::pdb;
 using namespace llvm::codeview;
 
 struct llvm::pdb::GSIHashStreamBuilder {
-  struct UdtDenseMapInfo {
+  struct SymbolDenseMapInfo {
     static inline CVSymbol getEmptyKey() {
       static CVSymbol Empty;
       return Empty;
     }
     static inline CVSymbol getTombstoneKey() {
-      static CVSymbol Tombstone(static_cast<SymbolKind>(-1),
-                                ArrayRef<uint8_t>());
+      static CVSymbol Tombstone(
+          DenseMapInfo<ArrayRef<uint8_t>>::getTombstoneKey());
       return Tombstone;
     }
     static unsigned getHashValue(const CVSymbol &Val) {
@@ -51,7 +50,7 @@ struct llvm::pdb::GSIHashStreamBuilder {
 
   std::vector<CVSymbol> Records;
   uint32_t StreamIndex;
-  llvm::DenseSet<CVSymbol, UdtDenseMapInfo> UdtHashes;
+  llvm::DenseSet<CVSymbol, SymbolDenseMapInfo> SymbolHashes;
   std::vector<PSHashRecord> HashRecords;
   std::array<support::ulittle32_t, (IPHR_HASH + 32) / 32> HashBitmap;
   std::vector<support::ulittle32_t> HashBuckets;
@@ -67,8 +66,8 @@ struct llvm::pdb::GSIHashStreamBuilder {
                                                CodeViewContainer::Pdb));
   }
   void addSymbol(const CVSymbol &Symbol) {
-    if (Symbol.kind() == S_UDT) {
-      auto Iter = UdtHashes.insert(Symbol);
+    if (Symbol.kind() == S_UDT || Symbol.kind() == S_CONSTANT) {
+      auto Iter = SymbolHashes.insert(Symbol);
       if (!Iter.second)
         return;
     }
@@ -263,8 +262,7 @@ static std::vector<ulittle32_t> computeAddrMap(ArrayRef<CVSymbol> Records) {
     SymOffsets.push_back(SymOffset);
     SymOffset += Sym.length();
   }
-  std::stable_sort(PublicsByAddr.begin(), PublicsByAddr.end(),
-                   comparePubSymByAddrAndName);
+  llvm::stable_sort(PublicsByAddr, comparePubSymByAddrAndName);
 
   // Fill in the symbol offsets in the appropriate order.
   std::vector<ulittle32_t> AddrMap;
diff --git a/lib/DebugInfo/PDB/Native/GlobalsStream.cpp b/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
index e36319566821..f27d60f46815 100644
--- a/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
+++ b/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
@@ -1,9 +1,8 @@
 //===- GlobalsStream.cpp - PDB Index of Symbols by Name ---------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/lib/DebugInfo/PDB/Native/Hash.cpp b/lib/DebugInfo/PDB/Native/Hash.cpp
index 61188ece2dcb..b5c139ecbec0 100644
--- a/lib/DebugInfo/PDB/Native/Hash.cpp
+++ b/lib/DebugInfo/PDB/Native/Hash.cpp
@@ -1,9 +1,8 @@
 //===- Hash.cpp - PDB Hash Functions --------------------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/HashTable.cpp b/lib/DebugInfo/PDB/Native/HashTable.cpp
index cfabc9cd1ad8..dfdcdf1f4eaf 100644
--- a/lib/DebugInfo/PDB/Native/HashTable.cpp
+++ b/lib/DebugInfo/PDB/Native/HashTable.cpp
@@ -1,9 +1,8 @@
 //===- HashTable.cpp - PDB Hash Table -------------------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/InfoStream.cpp b/lib/DebugInfo/PDB/Native/InfoStream.cpp
index 973a520ffca9..f41bb32d69af 100644
--- a/lib/DebugInfo/PDB/Native/InfoStream.cpp
+++ b/lib/DebugInfo/PDB/Native/InfoStream.cpp
@@ -1,9 +1,8 @@
 //===- InfoStream.cpp - PDB Info Stream (Stream 1) Access -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp b/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
index 3b5a2accdba6..42daa7cae799 100644
--- a/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
@@ -1,9 +1,8 @@
 //===- InfoStreamBuilder.cpp - PDB Info Stream Creation ---------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp b/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp
new file mode 100644
index 000000000000..3f4101db7b93
--- /dev/null
+++ b/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp
@@ -0,0 +1,65 @@
+//===- InjectedSourceStream.cpp - PDB Headerblock Stream Access -----------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/Native/InjectedSourceStream.h"
+
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
+#include "llvm/DebugInfo/PDB/Native/Hash.h"
+#include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
+#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/Endian.h"
+
+using namespace llvm;
+using namespace llvm::msf;
+using namespace llvm::support;
+using namespace llvm::pdb;
+
+InjectedSourceStream::InjectedSourceStream(
+    std::unique_ptr<MappedBlockStream> Stream)
+    : Stream(std::move(Stream)) {}
+
+Error InjectedSourceStream::reload(const PDBStringTable &Strings) {
+  BinaryStreamReader Reader(*Stream);
+
+  if (auto EC = Reader.readObject(Header))
+    return EC;
+
+  if (Header->Version !=
+      static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne))
+    return make_error<RawError>(raw_error_code::corrupt_file,
+                                "Invalid headerblock header version");
+
+  if (auto EC = InjectedSourceTable.load(Reader))
+    return EC;
+
+  for (const auto& Entry : *this) {
+    if (Entry.second.Size != sizeof(SrcHeaderBlockEntry))
+      return make_error<RawError>(raw_error_code::corrupt_file,
+                                  "Invalid headerbock entry size");
+    if (Entry.second.Version !=
+        static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne))
+      return make_error<RawError>(raw_error_code::corrupt_file,
+                                  "Invalid headerbock entry version");
+
+    // Check that all name references are valid.
+    auto Name = Strings.getStringForID(Entry.second.FileNI);
+    if (!Name)
+      return Name.takeError();
+    auto ObjName = Strings.getStringForID(Entry.second.ObjNI);
+    if (!ObjName)
+      return ObjName.takeError();
+    auto VName = Strings.getStringForID(Entry.second.VFileNI);
+    if (!VName)
+      return VName.takeError();
+  }
+
+  assert(Reader.bytesRemaining() == 0);
+  return Error::success();
+}
diff --git a/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp b/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp
index 8c97f4a012f0..1445f0bd9e1b 100644
--- a/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp
+++ b/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp
@@ -1,9 +1,8 @@
 //===- ModuleDebugStream.cpp - PDB Module Info Stream Access --------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -15,6 +14,7 @@
 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/CodeView/SymbolRecordHelpers.h"
 #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
+#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamRef.h"
@@ -37,6 +37,17 @@ ModuleDebugStreamRef::~ModuleDebugStreamRef() = default;
 Error ModuleDebugStreamRef::reload() {
   BinaryStreamReader Reader(*Stream);
 
+  if (Mod.getModuleStreamIndex() != llvm::pdb::kInvalidStreamIndex) {
+    if (Error E = reloadSerialize(Reader))
+      return E;
+  }
+  if (Reader.bytesRemaining() > 0)
+    return make_error<RawError>(raw_error_code::corrupt_file,
+                                "Unexpected bytes in module stream.");
+  return Error::success();
+}
+
+Error ModuleDebugStreamRef::reloadSerialize(BinaryStreamReader &Reader) {
   uint32_t SymbolSize = Mod.getSymbolDebugInfoByteSize();
   uint32_t C11Size = Mod.getC11LineInfoByteSize();
   uint32_t C13Size = Mod.getC13LineInfoByteSize();
@@ -72,10 +83,6 @@ Error ModuleDebugStreamRef::reload() {
     return EC;
   if (auto EC = Reader.readSubstream(GlobalRefsSubstream, GlobalRefsSize))
     return EC;
-  if (Reader.bytesRemaining() > 0)
-    return make_error<RawError>(raw_error_code::corrupt_file,
-                                "Unexpected bytes in module stream.");
-
   return Error::success();
 }
 
diff --git a/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp b/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp
index a4eaed90837d..4a88391494cd 100644
--- a/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp
+++ b/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp
@@ -1,9 +1,8 @@
 //===- NamedStreamMap.cpp - PDB Named Stream Map --------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -35,6 +34,7 @@ uint16_t NamedStreamMapTraits::hashLookupKey(StringRef S) const {
   // Here, the type HASH is a typedef of unsigned short.
   // ** It is not a bug that we truncate the result of hashStringV1, in fact
   //    it is a bug if we do not! **
+  // See NMTNI::hash() in the reference implementation.
   return static_cast<uint16_t>(hashStringV1(S));
 }
 
@@ -46,8 +46,7 @@ uint32_t NamedStreamMapTraits::lookupKeyToStorageKey(StringRef S) {
   return NS->appendStringData(S);
 }
 
-NamedStreamMap::NamedStreamMap()
-    : HashTraits(*this), OffsetIndexMap(1, HashTraits) {}
+NamedStreamMap::NamedStreamMap() : HashTraits(*this), OffsetIndexMap(1) {}
 
 Error NamedStreamMap::load(BinaryStreamReader &Stream) {
   uint32_t StringBufferSize;
@@ -99,7 +98,7 @@ uint32_t NamedStreamMap::hashString(uint32_t Offset) const {
 }
 
 bool NamedStreamMap::get(StringRef Stream, uint32_t &StreamNo) const {
-  auto Iter = OffsetIndexMap.find_as(Stream);
+  auto Iter = OffsetIndexMap.find_as(Stream, HashTraits);
   if (Iter == OffsetIndexMap.end())
     return false;
   StreamNo = (*Iter).second;
@@ -123,5 +122,5 @@ uint32_t NamedStreamMap::appendStringData(StringRef S) {
 }
 
 void NamedStreamMap::set(StringRef Stream, uint32_t StreamNo) {
-  OffsetIndexMap.set_as(Stream, support::ulittle32_t(StreamNo));
+  OffsetIndexMap.set_as(Stream, support::ulittle32_t(StreamNo), HashTraits);
 }
diff --git a/lib/DebugInfo/PDB/Native/NativeCompilandSymbol.cpp b/lib/DebugInfo/PDB/Native/NativeCompilandSymbol.cpp
index efa70b0e7bd8..39ae84acba20 100644
--- a/lib/DebugInfo/PDB/Native/NativeCompilandSymbol.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeCompilandSymbol.cpp
@@ -1,9 +1,8 @@
 //===- NativeCompilandSymbol.cpp - Native impl for compilands ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeEnumGlobals.cpp b/lib/DebugInfo/PDB/Native/NativeEnumGlobals.cpp
index 6eece3df2db3..54646867bc5f 100644
--- a/lib/DebugInfo/PDB/Native/NativeEnumGlobals.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeEnumGlobals.cpp
@@ -1,9 +1,8 @@
 //==- NativeEnumGlobals.cpp - Native Global Enumerator impl ------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp b/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp
new file mode 100644
index 000000000000..f17ff5bb01f2
--- /dev/null
+++ b/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp
@@ -0,0 +1,120 @@
+//==- NativeEnumInjectedSources.cpp - Native Injected Source Enumerator --*-==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/Native/NativeEnumInjectedSources.h"
+
+#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
+#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
+#include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
+
+namespace llvm {
+namespace pdb {
+
+namespace {
+
+Expected<std::string> readStreamData(BinaryStream &Stream, uint32_t Limit) {
+  uint32_t Offset = 0, DataLength = std::min(Limit, Stream.getLength());
+  std::string Result;
+  Result.reserve(DataLength);
+  while (Offset < DataLength) {
+    ArrayRef<uint8_t> Data;
+    if (auto E = Stream.readLongestContiguousChunk(Offset, Data))
+      return std::move(E);
+    Data = Data.take_front(DataLength - Offset);
+    Offset += Data.size();
+    Result += toStringRef(Data);
+  }
+  return Result;
+}
+
+class NativeInjectedSource final : public IPDBInjectedSource {
+  const SrcHeaderBlockEntry &Entry;
+  const PDBStringTable &Strings;
+  PDBFile &File;
+
+public:
+  NativeInjectedSource(const SrcHeaderBlockEntry &Entry,
+                       PDBFile &File, const PDBStringTable &Strings)
+      : Entry(Entry), Strings(Strings), File(File) {}
+
+  uint32_t getCrc32() const override { return Entry.CRC; }
+  uint64_t getCodeByteSize() const override { return Entry.FileSize; }
+
+  std::string getFileName() const override {
+    auto Name = Strings.getStringForID(Entry.FileNI);
+    assert(Name && "InjectedSourceStream should have rejected this");
+    return *Name;
+  }
+
+  std::string getObjectFileName() const override {
+    auto ObjName = Strings.getStringForID(Entry.ObjNI);
+    assert(ObjName && "InjectedSourceStream should have rejected this");
+    return *ObjName;
+  }
+
+  std::string getVirtualFileName() const override {
+    auto VName = Strings.getStringForID(Entry.VFileNI);
+    assert(VName && "InjectedSourceStream should have rejected this");
+    return *VName;
+  }
+
+  uint32_t getCompression() const override { return Entry.Compression; }
+
+  std::string getCode() const override {
+    // Get name of stream storing the data.
+    auto VName = Strings.getStringForID(Entry.VFileNI);
+    assert(VName && "InjectedSourceStream should have rejected this");
+    std::string StreamName = ("/src/files/" + *VName).str();
+
+    // Find stream with that name and read its data.
+    // FIXME: Consider validating (or even loading) all this in
+    // InjectedSourceStream so that no error can happen here.
+    auto ExpectedFileStream = File.safelyCreateNamedStream(StreamName);
+    if (!ExpectedFileStream) {
+      consumeError(ExpectedFileStream.takeError());
+      return "(failed to open data stream)";
+    }
+
+    auto Data = readStreamData(**ExpectedFileStream, Entry.FileSize);
+    if (!Data) {
+      consumeError(Data.takeError());
+      return "(failed to read data)";
+    }
+    return *Data;
+  }
+};
+
+} // namespace
+
+NativeEnumInjectedSources::NativeEnumInjectedSources(
+    PDBFile &File, const InjectedSourceStream &IJS,
+    const PDBStringTable &Strings)
+    : File(File), Stream(IJS), Strings(Strings), Cur(Stream.begin()) {}
+
+uint32_t NativeEnumInjectedSources::getChildCount() const {
+  return static_cast<uint32_t>(Stream.size());
+}
+
+std::unique_ptr<IPDBInjectedSource>
+NativeEnumInjectedSources::getChildAtIndex(uint32_t N) const {
+  if (N >= getChildCount())
+    return nullptr;
+  return make_unique<NativeInjectedSource>(std::next(Stream.begin(), N)->second,
+                                           File, Strings);
+}
+
+std::unique_ptr<IPDBInjectedSource> NativeEnumInjectedSources::getNext() {
+  if (Cur == Stream.end())
+    return nullptr;
+  return make_unique<NativeInjectedSource>((Cur++)->second, File, Strings);
+}
+
+void NativeEnumInjectedSources::reset() { Cur = Stream.begin(); }
+
+}
+}
diff --git a/lib/DebugInfo/PDB/Native/NativeEnumModules.cpp b/lib/DebugInfo/PDB/Native/NativeEnumModules.cpp
index 6e4d56443a07..c6621924b516 100644
--- a/lib/DebugInfo/PDB/Native/NativeEnumModules.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeEnumModules.cpp
@@ -1,9 +1,8 @@
 //==- NativeEnumModules.cpp - Native Symbol Enumerator impl ------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp b/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp
index 288a9128147a..ac217df1ee48 100644
--- a/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp
@@ -1,9 +1,8 @@
 //==- NativeEnumTypes.cpp - Native Type Enumerator impl ----------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeExeSymbol.cpp b/lib/DebugInfo/PDB/Native/NativeExeSymbol.cpp
index 6dde5d08a500..3f393409129b 100644
--- a/lib/DebugInfo/PDB/Native/NativeExeSymbol.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeExeSymbol.cpp
@@ -1,9 +1,8 @@
 //===- NativeExeSymbol.cpp - native impl for PDBSymbolExe -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeRawSymbol.cpp b/lib/DebugInfo/PDB/Native/NativeRawSymbol.cpp
index 62950cb3e52a..8e43cf24495a 100644
--- a/lib/DebugInfo/PDB/Native/NativeRawSymbol.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeRawSymbol.cpp
@@ -1,9 +1,8 @@
 //===- NativeRawSymbol.cpp - Native implementation of IPDBRawSymbol -------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeSession.cpp b/lib/DebugInfo/PDB/Native/NativeSession.cpp
index 7807e312365c..8a49cb1c5963 100644
--- a/lib/DebugInfo/PDB/Native/NativeSession.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeSession.cpp
@@ -1,9 +1,8 @@
 //===- NativeSession.cpp - Native implementation of IPDBSession -*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -14,6 +13,7 @@
 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
 #include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
 #include "llvm/DebugInfo/PDB/Native/NativeCompilandSymbol.h"
+#include "llvm/DebugInfo/PDB/Native/NativeEnumInjectedSources.h"
 #include "llvm/DebugInfo/PDB/Native/NativeEnumTypes.h"
 #include "llvm/DebugInfo/PDB/Native/NativeExeSymbol.h"
 #include "llvm/DebugInfo/PDB/Native/NativeTypeBuiltin.h"
@@ -192,7 +192,17 @@ std::unique_ptr<IPDBEnumTables> NativeSession::getEnumTables() const {
 
 std::unique_ptr<IPDBEnumInjectedSources>
 NativeSession::getInjectedSources() const {
-  return nullptr;
+  auto ISS = Pdb->getInjectedSourceStream();
+  if (!ISS) {
+    consumeError(ISS.takeError());
+    return nullptr;
+  }
+  auto Strings = Pdb->getStringTable();
+  if (!Strings) {
+    consumeError(Strings.takeError());
+    return nullptr;
+  }
+  return make_unique<NativeEnumInjectedSources>(*Pdb, *ISS, *Strings);
 }
 
 std::unique_ptr<IPDBEnumSectionContribs>
diff --git a/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp b/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp
index 6ebb8cae3a65..704c1254afbf 100644
--- a/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp
@@ -1,9 +1,8 @@
 //===- NativeSymbolEnumerator.cpp - info about enumerators ------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeTypeArray.cpp b/lib/DebugInfo/PDB/Native/NativeTypeArray.cpp
index a52561728a98..80d455ad66e9 100644
--- a/lib/DebugInfo/PDB/Native/NativeTypeArray.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeTypeArray.cpp
@@ -1,9 +1,8 @@
 //===- NativeTypeArray.cpp - info about arrays ------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp b/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp
index 7b0f13f3c075..a08663aa91ba 100644
--- a/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp
@@ -1,9 +1,8 @@
 //===- NativeTypeBuiltin.cpp -------------------------------------- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp b/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp
index 37176fe083b9..9f5e86281a23 100644
--- a/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp
@@ -1,9 +1,8 @@
 //===- NativeTypeEnum.cpp - info about enum type ----------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeTypeFunctionSig.cpp b/lib/DebugInfo/PDB/Native/NativeTypeFunctionSig.cpp
index a9590fffdb87..405303469c18 100644
--- a/lib/DebugInfo/PDB/Native/NativeTypeFunctionSig.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeTypeFunctionSig.cpp
@@ -1,9 +1,8 @@
 //===- NativeTypeFunctionSig.cpp - info about function signature -*- C++-*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeTypePointer.cpp b/lib/DebugInfo/PDB/Native/NativeTypePointer.cpp
index bd8ecb6c4007..32dcfc235954 100644
--- a/lib/DebugInfo/PDB/Native/NativeTypePointer.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeTypePointer.cpp
@@ -1,9 +1,8 @@
 //===- NativeTypePointer.cpp - info about pointer type ----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/NativeTypeUDT.cpp b/lib/DebugInfo/PDB/Native/NativeTypeUDT.cpp
index 3abf91dcc6a3..be67846c0b24 100644
--- a/lib/DebugInfo/PDB/Native/NativeTypeUDT.cpp
+++ b/lib/DebugInfo/PDB/Native/NativeTypeUDT.cpp
@@ -1,9 +1,8 @@
 //===- NativeTypeUDT.cpp - info about class/struct type ---------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/PDBFile.cpp b/lib/DebugInfo/PDB/Native/PDBFile.cpp
index a1f8786ff12f..983031dfcb78 100644
--- a/lib/DebugInfo/PDB/Native/PDBFile.cpp
+++ b/lib/DebugInfo/PDB/Native/PDBFile.cpp
@@ -1,9 +1,8 @@
 //===- PDBFile.cpp - Low level interface to a PDB file ----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -15,6 +14,7 @@
 #include "llvm/DebugInfo/PDB/Native/DbiStream.h"
 #include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
 #include "llvm/DebugInfo/PDB/Native/InfoStream.h"
+#include "llvm/DebugInfo/PDB/Native/InjectedSourceStream.h"
 #include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
 #include "llvm/DebugInfo/PDB/Native/PublicsStream.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
@@ -234,7 +234,8 @@ ArrayRef<support::ulittle32_t> PDBFile::getDirectoryBlockArray() const {
   return ContainerLayout.DirectoryBlocks;
 }
 
-std::unique_ptr<MappedBlockStream> PDBFile::createIndexedStream(uint16_t SN) {
+std::unique_ptr<MappedBlockStream>
+PDBFile::createIndexedStream(uint16_t SN) const {
   if (SN == kInvalidStreamIndex)
     return nullptr;
   return MappedBlockStream::createIndexedStream(ContainerLayout, *Buffer, SN,
@@ -259,8 +260,8 @@ Expected<GlobalsStream &> PDBFile::getPDBGlobalsStream() {
     if (!DbiS)
       return DbiS.takeError();
 
-    auto GlobalS = safelyCreateIndexedStream(
-        ContainerLayout, *Buffer, DbiS->getGlobalSymbolStreamIndex());
+    auto GlobalS =
+        safelyCreateIndexedStream(DbiS->getGlobalSymbolStreamIndex());
     if (!GlobalS)
       return GlobalS.takeError();
     auto TempGlobals = llvm::make_unique<GlobalsStream>(std::move(*GlobalS));
@@ -273,7 +274,7 @@ Expected<GlobalsStream &> PDBFile::getPDBGlobalsStream() {
 
 Expected<InfoStream &> PDBFile::getPDBInfoStream() {
   if (!Info) {
-    auto InfoS = safelyCreateIndexedStream(ContainerLayout, *Buffer, StreamPDB);
+    auto InfoS = safelyCreateIndexedStream(StreamPDB);
     if (!InfoS)
       return InfoS.takeError();
     auto TempInfo = llvm::make_unique<InfoStream>(std::move(*InfoS));
@@ -286,7 +287,7 @@ Expected<InfoStream &> PDBFile::getPDBInfoStream() {
 
 Expected<DbiStream &> PDBFile::getPDBDbiStream() {
   if (!Dbi) {
-    auto DbiS = safelyCreateIndexedStream(ContainerLayout, *Buffer, StreamDBI);
+    auto DbiS = safelyCreateIndexedStream(StreamDBI);
     if (!DbiS)
       return DbiS.takeError();
     auto TempDbi = llvm::make_unique<DbiStream>(std::move(*DbiS));
@@ -299,7 +300,7 @@ Expected<DbiStream &> PDBFile::getPDBDbiStream() {
 
 Expected<TpiStream &> PDBFile::getPDBTpiStream() {
   if (!Tpi) {
-    auto TpiS = safelyCreateIndexedStream(ContainerLayout, *Buffer, StreamTPI);
+    auto TpiS = safelyCreateIndexedStream(StreamTPI);
     if (!TpiS)
       return TpiS.takeError();
     auto TempTpi = llvm::make_unique<TpiStream>(*this, std::move(*TpiS));
@@ -315,7 +316,7 @@ Expected<TpiStream &> PDBFile::getPDBIpiStream() {
     if (!hasPDBIpiStream())
       return make_error<RawError>(raw_error_code::no_stream);
 
-    auto IpiS = safelyCreateIndexedStream(ContainerLayout, *Buffer, StreamIPI);
+    auto IpiS = safelyCreateIndexedStream(StreamIPI);
     if (!IpiS)
       return IpiS.takeError();
     auto TempIpi = llvm::make_unique<TpiStream>(*this, std::move(*IpiS));
@@ -332,8 +333,8 @@ Expected<PublicsStream &> PDBFile::getPDBPublicsStream() {
     if (!DbiS)
       return DbiS.takeError();
 
-    auto PublicS = safelyCreateIndexedStream(
-        ContainerLayout, *Buffer, DbiS->getPublicSymbolStreamIndex());
+    auto PublicS =
+        safelyCreateIndexedStream(DbiS->getPublicSymbolStreamIndex());
     if (!PublicS)
       return PublicS.takeError();
     auto TempPublics = llvm::make_unique<PublicsStream>(std::move(*PublicS));
@@ -351,8 +352,7 @@ Expected<SymbolStream &> PDBFile::getPDBSymbolStream() {
       return DbiS.takeError();
 
     uint32_t SymbolStreamNum = DbiS->getSymRecordStreamIndex();
-    auto SymbolS =
-        safelyCreateIndexedStream(ContainerLayout, *Buffer, SymbolStreamNum);
+    auto SymbolS = safelyCreateIndexedStream(SymbolStreamNum);
     if (!SymbolS)
       return SymbolS.takeError();
 
@@ -366,17 +366,7 @@ Expected<SymbolStream &> PDBFile::getPDBSymbolStream() {
 
 Expected<PDBStringTable &> PDBFile::getStringTable() {
   if (!Strings) {
-    auto IS = getPDBInfoStream();
-    if (!IS)
-      return IS.takeError();
-
-    Expected<uint32_t> ExpectedNSI = IS->getNamedStreamIndex("/names");
-    if (!ExpectedNSI)
-      return ExpectedNSI.takeError();
-    uint32_t NameStreamIndex = *ExpectedNSI;
-
-    auto NS =
-        safelyCreateIndexedStream(ContainerLayout, *Buffer, NameStreamIndex);
+    auto NS = safelyCreateNamedStream("/names");
     if (!NS)
       return NS.takeError();
 
@@ -391,6 +381,24 @@ Expected<PDBStringTable &> PDBFile::getStringTable() {
   return *Strings;
 }
 
+Expected<InjectedSourceStream &> PDBFile::getInjectedSourceStream() {
+  if (!InjectedSources) {
+    auto IJS = safelyCreateNamedStream("/src/headerblock");
+    if (!IJS)
+      return IJS.takeError();
+
+    auto Strings = getStringTable();
+    if (!Strings)
+      return Strings.takeError();
+
+    auto IJ = llvm::make_unique<InjectedSourceStream>(std::move(*IJS));
+    if (auto EC = IJ->reload(*Strings))
+      return std::move(EC);
+    InjectedSources = std::move(IJ);
+  }
+  return *InjectedSources;
+}
+
 uint32_t PDBFile::getPointerSize() {
   auto DbiS = getPDBDbiStream();
   if (!DbiS)
@@ -459,16 +467,41 @@ bool PDBFile::hasPDBStringTable() {
   return true;
 }
 
+bool PDBFile::hasPDBInjectedSourceStream() {
+  auto IS = getPDBInfoStream();
+  if (!IS)
+    return false;
+  Expected<uint32_t> ExpectedNSI = IS->getNamedStreamIndex("/src/headerblock");
+  if (!ExpectedNSI) {
+    consumeError(ExpectedNSI.takeError());
+    return false;
+  }
+  assert(*ExpectedNSI < getNumStreams());
+  return true;
+}
+
 /// Wrapper around MappedBlockStream::createIndexedStream() that checks if a
 /// stream with that index actually exists.  If it does not, the return value
 /// will have an MSFError with code msf_error_code::no_stream.  Else, the return
 /// value will contain the stream returned by createIndexedStream().
 Expected<std::unique_ptr<MappedBlockStream>>
-PDBFile::safelyCreateIndexedStream(const MSFLayout &Layout,
-                                   BinaryStreamRef MsfData,
-                                   uint32_t StreamIndex) const {
+PDBFile::safelyCreateIndexedStream(uint32_t StreamIndex) const {
   if (StreamIndex >= getNumStreams())
+    // This rejects kInvalidStreamIndex with an error as well.
     return make_error<RawError>(raw_error_code::no_stream);
-  return MappedBlockStream::createIndexedStream(Layout, MsfData, StreamIndex,
-                                                Allocator);
+  return createIndexedStream(StreamIndex);
+}
+
+Expected<std::unique_ptr<MappedBlockStream>>
+PDBFile::safelyCreateNamedStream(StringRef Name) {
+  auto IS = getPDBInfoStream();
+  if (!IS)
+    return IS.takeError();
+
+  Expected<uint32_t> ExpectedNSI = IS->getNamedStreamIndex(Name);
+  if (!ExpectedNSI)
+    return ExpectedNSI.takeError();
+  uint32_t NameStreamIndex = *ExpectedNSI;
+
+  return safelyCreateIndexedStream(NameStreamIndex);
 }
diff --git a/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp b/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
index e0ceb7499ee5..8f5a048ea4b5 100644
--- a/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
@@ -1,9 +1,8 @@
 //===- PDBFileBuilder.cpp - PDB File Creation -------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -35,7 +34,7 @@ using namespace llvm::support;
 
 PDBFileBuilder::PDBFileBuilder(BumpPtrAllocator &Allocator)
     : Allocator(Allocator), InjectedSourceHashTraits(Strings),
-      InjectedSourceTable(2, InjectedSourceHashTraits) {}
+      InjectedSourceTable(2) {}
 
 PDBFileBuilder::~PDBFileBuilder() {}
 
@@ -190,7 +189,8 @@ Error PDBFileBuilder::finalizeMsfLayout() {
           static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne);
       Entry.CRC = CRC.getCRC();
       StringRef VName = getStringTableBuilder().getStringForId(IS.VNameIndex);
-      InjectedSourceTable.set_as(VName, std::move(Entry));
+      InjectedSourceTable.set_as(VName, std::move(Entry),
+                                 InjectedSourceHashTraits);
     }
 
     uint32_t SrcHeaderBlockSize =
diff --git a/lib/DebugInfo/PDB/Native/PDBStringTable.cpp b/lib/DebugInfo/PDB/Native/PDBStringTable.cpp
index afeea32043dd..2be1656e06bb 100644
--- a/lib/DebugInfo/PDB/Native/PDBStringTable.cpp
+++ b/lib/DebugInfo/PDB/Native/PDBStringTable.cpp
@@ -1,9 +1,8 @@
 //===- PDBStringTable.cpp - PDB String Table ---------------------*- C++-*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/PDBStringTableBuilder.cpp b/lib/DebugInfo/PDB/Native/PDBStringTableBuilder.cpp
index d9dcabf3d958..f7f36901e4d4 100644
--- a/lib/DebugInfo/PDB/Native/PDBStringTableBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/PDBStringTableBuilder.cpp
@@ -1,9 +1,8 @@
 //===- PDBStringTableBuilder.cpp - PDB String Table -------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -27,7 +26,13 @@ StringTableHashTraits::StringTableHashTraits(PDBStringTableBuilder &Table)
     : Table(&Table) {}
 
 uint32_t StringTableHashTraits::hashLookupKey(StringRef S) const {
-  return Table->getIdForString(S);
+  // The reference implementation doesn't include code for /src/headerblock
+  // handling, but it can only read natvis entries lld's PDB files if
+  // this hash function truncates the hash to 16 bit.
+  // PDB/include/misc.h in the reference implementation has a hashSz() function
+  // that returns an unsigned short, that seems what's being used for
+  // /src/headerblock.
+  return static_cast<uint16_t>(Table->getIdForString(S));
 }
 
 StringRef StringTableHashTraits::storageKeyToLookupKey(uint32_t Offset) const {
@@ -50,63 +55,75 @@ StringRef PDBStringTableBuilder::getStringForId(uint32_t Id) const {
   return Strings.getStringForId(Id);
 }
 
-// This is a precomputed list of Buckets given the specified number of
-// strings.  Matching the reference algorithm exactly is not strictly
-// necessary for correctness, but it helps when comparing LLD's PDBs with
-// Microsoft's PDBs so as to eliminate superfluous differences.
-static std::map<uint32_t, uint32_t> StringsToBuckets = {
-    {1, 2},
-    {2, 4},
-    {4, 7},
-    {6, 11},
-    {9, 17},
-    {13, 26},
-    {20, 40},
-    {31, 61},
-    {46, 92},
-    {70, 139},
-    {105, 209},
-    {157, 314},
-    {236, 472},
-    {355, 709},
-    {532, 1064},
-    {799, 1597},
-    {1198, 2396},
-    {1798, 3595},
-    {2697, 5393},
-    {4045, 8090},
-    {6068, 12136},
-    {9103, 18205},
-    {13654, 27308},
-    {20482, 40963},
-    {30723, 61445},
-    {46084, 92168},
-    {69127, 138253},
-    {103690, 207380},
-    {155536, 311071},
-    {233304, 466607},
-    {349956, 699911},
-    {524934, 1049867},
-    {787401, 1574801},
-    {1181101, 2362202},
-    {1771652, 3543304},
-    {2657479, 5314957},
-    {3986218, 7972436},
-    {5979328, 11958655},
-    {8968992, 17937983},
-    {13453488, 26906975},
-    {20180232, 40360463},
-    {30270348, 60540695},
-    {45405522, 90811043},
-    {68108283, 136216565},
-    {102162424, 204324848},
-    {153243637, 306487273},
-    {229865455, 459730910},
-    {344798183, 689596366},
-    {517197275, 1034394550},
-    {775795913, 1551591826}};
-
 static uint32_t computeBucketCount(uint32_t NumStrings) {
+  // This is a precomputed list of Buckets given the specified number of
+  // strings.  Matching the reference algorithm exactly is not strictly
+  // necessary for correctness, but it helps when comparing LLD's PDBs with
+  // Microsoft's PDBs so as to eliminate superfluous differences.
+  // The reference implementation does (in nmt.h, NMT::grow()):
+  //   unsigned StringCount = 0;
+  //   unsigned BucketCount = 1;
+  //   fn insert() {
+  //     ++StringCount;
+  //     if (BucketCount * 3 / 4 < StringCount)
+  //       BucketCount = BucketCount * 3 / 2 + 1;
+  //   }
+  // This list contains all StringCount, BucketCount pairs where BucketCount was
+  // just incremented.  It ends before the first BucketCount entry where
+  // BucketCount * 3 would overflow a 32-bit unsigned int.
+  static std::map<uint32_t, uint32_t> StringsToBuckets = {
+      {0, 1},
+      {1, 2},
+      {2, 4},
+      {4, 7},
+      {6, 11},
+      {9, 17},
+      {13, 26},
+      {20, 40},
+      {31, 61},
+      {46, 92},
+      {70, 139},
+      {105, 209},
+      {157, 314},
+      {236, 472},
+      {355, 709},
+      {532, 1064},
+      {799, 1597},
+      {1198, 2396},
+      {1798, 3595},
+      {2697, 5393},
+      {4045, 8090},
+      {6068, 12136},
+      {9103, 18205},
+      {13654, 27308},
+      {20482, 40963},
+      {30723, 61445},
+      {46084, 92168},
+      {69127, 138253},
+      {103690, 207380},
+      {155536, 311071},
+      {233304, 466607},
+      {349956, 699911},
+      {524934, 1049867},
+      {787401, 1574801},
+      {1181101, 2362202},
+      {1771652, 3543304},
+      {2657479, 5314957},
+      {3986218, 7972436},
+      {5979328, 11958655},
+      {8968992, 17937983},
+      {13453488, 26906975},
+      {20180232, 40360463},
+      {30270348, 60540695},
+      {45405522, 90811043},
+      {68108283, 136216565},
+      {102162424, 204324848},
+      {153243637, 306487273},
+      {229865455, 459730910},
+      {344798183, 689596366},
+      {517197275, 1034394550},
+      {775795913, 1551591826},
+      {1163693870, 2327387740}};
   auto Entry = StringsToBuckets.lower_bound(NumStrings);
   assert(Entry != StringsToBuckets.end());
   return Entry->second;
diff --git a/lib/DebugInfo/PDB/Native/PublicsStream.cpp b/lib/DebugInfo/PDB/Native/PublicsStream.cpp
index f6466eb80464..a33bf03bf8fb 100644
--- a/lib/DebugInfo/PDB/Native/PublicsStream.cpp
+++ b/lib/DebugInfo/PDB/Native/PublicsStream.cpp
@@ -1,9 +1,8 @@
 //===- PublicsStream.cpp - PDB Public Symbol Stream -----------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/lib/DebugInfo/PDB/Native/RawError.cpp b/lib/DebugInfo/PDB/Native/RawError.cpp
index dec9797088f2..ed6cf0839675 100644
--- a/lib/DebugInfo/PDB/Native/RawError.cpp
+++ b/lib/DebugInfo/PDB/Native/RawError.cpp
@@ -5,6 +5,7 @@
 using namespace llvm;
 using namespace llvm::pdb;
 
+namespace {
 // FIXME: This class is only here to support the transition to llvm::Error. It
 // will be removed once this transition is complete. Clients should prefer to
 // deal with the Error value directly, rather than converting to error_code.
@@ -44,6 +45,7 @@ public:
     llvm_unreachable("Unrecognized raw_error_code");
   }
 };
+} // namespace
 
 static llvm::ManagedStatic<RawErrorCategory> RawCategory;
 const std::error_category &llvm::pdb::RawErrCategory() { return *RawCategory; }
diff --git a/lib/DebugInfo/PDB/Native/SymbolStream.cpp b/lib/DebugInfo/PDB/Native/SymbolStream.cpp
index 2d8d04ceca4d..003840b6e67e 100644
--- a/lib/DebugInfo/PDB/Native/SymbolStream.cpp
+++ b/lib/DebugInfo/PDB/Native/SymbolStream.cpp
@@ -1,9 +1,8 @@
 //===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/TpiHashing.cpp b/lib/DebugInfo/PDB/Native/TpiHashing.cpp
index 18708826ffc7..b21b82bf76fd 100644
--- a/lib/DebugInfo/PDB/Native/TpiHashing.cpp
+++ b/lib/DebugInfo/PDB/Native/TpiHashing.cpp
@@ -1,9 +1,8 @@
 //===- TpiHashing.cpp -----------------------------------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/Native/TpiStream.cpp b/lib/DebugInfo/PDB/Native/TpiStream.cpp
index f234d446e6a0..8ee7f897b8bb 100644
--- a/lib/DebugInfo/PDB/Native/TpiStream.cpp
+++ b/lib/DebugInfo/PDB/Native/TpiStream.cpp
@@ -1,9 +1,8 @@
 //===- TpiStream.cpp - PDB Type Info (TPI) Stream 2 Access ----------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -79,14 +78,13 @@ Error TpiStream::reload() {
 
   // Hash indices, hash values, etc come from the hash stream.
   if (Header->HashStreamIndex != kInvalidStreamIndex) {
-    if (Header->HashStreamIndex >= Pdb.getNumStreams())
+    auto HS = Pdb.safelyCreateIndexedStream(Header->HashStreamIndex);
+    if (!HS) {
+      consumeError(HS.takeError());
       return make_error<RawError>(raw_error_code::corrupt_file,
                                   "Invalid TPI hash stream index.");
-
-    auto HS = MappedBlockStream::createIndexedStream(
-        Pdb.getMsfLayout(), Pdb.getMsfBuffer(), Header->HashStreamIndex,
-        Pdb.getAllocator());
-    BinaryStreamReader HSR(*HS);
+    }
+    BinaryStreamReader HSR(**HS);
 
     // There should be a hash value for every type record, or no hashes at all.
     uint32_t NumHashValues =
@@ -111,7 +109,7 @@ Error TpiStream::reload() {
         return EC;
     }
 
-    HashStream = std::move(HS);
+    HashStream = std::move(*HS);
   }
 
   Types = llvm::make_unique<LazyRandomTypeCollection>(
diff --git a/lib/DebugInfo/PDB/Native/TpiStreamBuilder.cpp b/lib/DebugInfo/PDB/Native/TpiStreamBuilder.cpp
index 8dd30018028e..6b308453c2de 100644
--- a/lib/DebugInfo/PDB/Native/TpiStreamBuilder.cpp
+++ b/lib/DebugInfo/PDB/Native/TpiStreamBuilder.cpp
@@ -1,9 +1,8 @@
 //===- TpiStreamBuilder.cpp -   -------------------------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -77,7 +76,7 @@ Error TpiStreamBuilder::finalize() {
   H->HashStreamIndex = HashStreamIndex;
   H->HashAuxStreamIndex = kInvalidStreamIndex;
   H->HashKeySize = sizeof(ulittle32_t);
-  H->NumHashBuckets = MinTpiHashBuckets;
+  H->NumHashBuckets = MaxTpiHashBuckets - 1;
 
   // Recall that hash values go into a completely different stream identified by
   // the `HashStreamIndex` field of the `TpiStreamHeader`.  Therefore, the data
@@ -130,7 +129,7 @@ Error TpiStreamBuilder::finalizeMsfLayout() {
     ulittle32_t *H = Allocator.Allocate<ulittle32_t>(TypeHashes.size());
     MutableArrayRef<ulittle32_t> HashBuffer(H, TypeHashes.size());
     for (uint32_t I = 0; I < TypeHashes.size(); ++I) {
-      HashBuffer[I] = TypeHashes[I] % MinTpiHashBuckets;
+      HashBuffer[I] = TypeHashes[I] % (MaxTpiHashBuckets - 1);
     }
     ArrayRef<uint8_t> Bytes(
         reinterpret_cast<const uint8_t *>(HashBuffer.data()),
@@ -153,9 +152,12 @@ Error TpiStreamBuilder::commit(const msf::MSFLayout &Layout,
   if (auto EC = Writer.writeObject(*Header))
     return EC;
 
-  for (auto Rec : TypeRecords)
+  for (auto Rec : TypeRecords) {
+    assert(!Rec.empty()); // An empty record will not write anything, but it
+                          // would shift all offsets from here on.
     if (auto EC = Writer.writeBytes(Rec))
       return EC;
+  }
 
   if (HashStreamIndex != kInvalidStreamIndex) {
     auto HVS = WritableMappedBlockStream::createIndexedStream(
diff --git a/lib/DebugInfo/PDB/PDB.cpp b/lib/DebugInfo/PDB/PDB.cpp
index fc1ad8bcd7cd..e7b968cb7bea 100644
--- a/lib/DebugInfo/PDB/PDB.cpp
+++ b/lib/DebugInfo/PDB/PDB.cpp
@@ -1,9 +1,8 @@
 //===- PDB.cpp - base header file for creating a PDB reader ---------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBContext.cpp b/lib/DebugInfo/PDB/PDBContext.cpp
index df0feac2bc40..e452f1d4ced7 100644
--- a/lib/DebugInfo/PDB/PDBContext.cpp
+++ b/lib/DebugInfo/PDB/PDBContext.cpp
@@ -1,9 +1,8 @@
 //===-- PDBContext.cpp ------------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===/
 
@@ -31,14 +30,14 @@ PDBContext::PDBContext(const COFFObjectFile &Object,
 
 void PDBContext::dump(raw_ostream &OS, DIDumpOptions DumpOpts){}
 
-DILineInfo PDBContext::getLineInfoForAddress(uint64_t Address,
+DILineInfo PDBContext::getLineInfoForAddress(object::SectionedAddress Address,
                                              DILineInfoSpecifier Specifier) {
   DILineInfo Result;
-  Result.FunctionName = getFunctionName(Address, Specifier.FNKind);
+  Result.FunctionName = getFunctionName(Address.Address, Specifier.FNKind);
 
   uint32_t Length = 1;
   std::unique_ptr<PDBSymbol> Symbol =
-      Session->findSymbolByAddress(Address, PDB_SymType::None);
+      Session->findSymbolByAddress(Address.Address, PDB_SymType::None);
   if (auto Func = dyn_cast_or_null<PDBSymbolFunc>(Symbol.get())) {
     Length = Func->getLength();
   } else if (auto Data = dyn_cast_or_null<PDBSymbolData>(Symbol.get())) {
@@ -47,7 +46,7 @@ DILineInfo PDBContext::getLineInfoForAddress(uint64_t Address,
 
   // If we couldn't find a symbol, then just assume 1 byte, so that we get
   // only the line number of the first instruction.
-  auto LineNumbers = Session->findLineNumbersByAddress(Address, Length);
+  auto LineNumbers = Session->findLineNumbersByAddress(Address.Address, Length);
   if (!LineNumbers || LineNumbers->getChildCount() == 0)
     return Result;
 
@@ -64,26 +63,27 @@ DILineInfo PDBContext::getLineInfoForAddress(uint64_t Address,
 }
 
 DILineInfoTable
-PDBContext::getLineInfoForAddressRange(uint64_t Address, uint64_t Size,
+PDBContext::getLineInfoForAddressRange(object::SectionedAddress Address,
+                                       uint64_t Size,
                                        DILineInfoSpecifier Specifier) {
   if (Size == 0)
     return DILineInfoTable();
 
   DILineInfoTable Table;
-  auto LineNumbers = Session->findLineNumbersByAddress(Address, Size);
+  auto LineNumbers = Session->findLineNumbersByAddress(Address.Address, Size);
   if (!LineNumbers || LineNumbers->getChildCount() == 0)
     return Table;
 
   while (auto LineInfo = LineNumbers->getNext()) {
-    DILineInfo LineEntry =
-        getLineInfoForAddress(LineInfo->getVirtualAddress(), Specifier);
+    DILineInfo LineEntry = getLineInfoForAddress(
+        {LineInfo->getVirtualAddress(), Address.SectionIndex}, Specifier);
     Table.push_back(std::make_pair(LineInfo->getVirtualAddress(), LineEntry));
   }
   return Table;
 }
 
 DIInliningInfo
-PDBContext::getInliningInfoForAddress(uint64_t Address,
+PDBContext::getInliningInfoForAddress(object::SectionedAddress Address,
                                       DILineInfoSpecifier Specifier) {
   DIInliningInfo InlineInfo;
   DILineInfo Frame = getLineInfoForAddress(Address, Specifier);
@@ -91,6 +91,11 @@ PDBContext::getInliningInfoForAddress(uint64_t Address,
   return InlineInfo;
 }
 
+std::vector<DILocal>
+PDBContext::getLocalsForAddress(object::SectionedAddress Address) {
+  return std::vector<DILocal>();
+}
+
 std::string PDBContext::getFunctionName(uint64_t Address,
                                         DINameKind NameKind) const {
   if (NameKind == DINameKind::None)
diff --git a/lib/DebugInfo/PDB/PDBExtras.cpp b/lib/DebugInfo/PDB/PDBExtras.cpp
index 0d8af232cd92..354a99476c4b 100644
--- a/lib/DebugInfo/PDB/PDBExtras.cpp
+++ b/lib/DebugInfo/PDB/PDBExtras.cpp
@@ -1,9 +1,8 @@
 //===- PDBExtras.cpp - helper functions and classes for PDBs --------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -118,13 +117,37 @@ raw_ostream &llvm::pdb::operator<<(raw_ostream &OS, const PDB_DataKind &Data) {
 }
 
 raw_ostream &llvm::pdb::operator<<(raw_ostream &OS,
-                                   const codeview::RegisterId &Reg) {
-  switch (Reg) {
-#define CV_REGISTER(name, val) case codeview::RegisterId::name: OS << #name; return OS;
+                                   const llvm::codeview::CPURegister &CpuReg) {
+  if (CpuReg.Cpu == llvm::codeview::CPUType::ARM64) {
+    switch (CpuReg.Reg) {
+#define CV_REGISTERS_ARM64
+#define CV_REGISTER(name, val)                                                 \
+  case codeview::RegisterId::name:                                             \
+    OS << #name;                                                               \
+    return OS;
+#include "llvm/DebugInfo/CodeView/CodeViewRegisters.def"
+#undef CV_REGISTER
+#undef CV_REGISTERS_ARM64
+
+    default:
+      break;
+    }
+  } else {
+    switch (CpuReg.Reg) {
+#define CV_REGISTERS_X86
+#define CV_REGISTER(name, val)                                                 \
+  case codeview::RegisterId::name:                                             \
+    OS << #name;                                                               \
+    return OS;
 #include "llvm/DebugInfo/CodeView/CodeViewRegisters.def"
 #undef CV_REGISTER
+#undef CV_REGISTERS_X86
+
+    default:
+      break;
+    }
   }
-  OS << static_cast<int>(Reg);
+  OS << static_cast<int>(CpuReg.Reg);
   return OS;
 }
 
@@ -193,6 +216,7 @@ raw_ostream &llvm::pdb::operator<<(raw_ostream &OS, const PDB_Lang &Lang) {
     CASE_OUTPUT_ENUM_CLASS_NAME(PDB_Lang, MSIL, OS)
     CASE_OUTPUT_ENUM_CLASS_NAME(PDB_Lang, HLSL, OS)
     CASE_OUTPUT_ENUM_CLASS_NAME(PDB_Lang, D, OS)
+    CASE_OUTPUT_ENUM_CLASS_NAME(PDB_Lang, Swift, OS)
   }
   return OS;
 }
@@ -296,14 +320,17 @@ raw_ostream &llvm::pdb::operator<<(raw_ostream &OS,
   return OS;
 }
 
-raw_ostream &llvm::pdb::operator<<(raw_ostream &OS,
-                                   const PDB_SourceCompression &Compression) {
+raw_ostream &llvm::pdb::dumpPDBSourceCompression(raw_ostream &OS,
+                                                 uint32_t Compression) {
   switch (Compression) {
     CASE_OUTPUT_ENUM_CLASS_NAME(PDB_SourceCompression, None, OS)
     CASE_OUTPUT_ENUM_CLASS_NAME(PDB_SourceCompression, Huffman, OS)
     CASE_OUTPUT_ENUM_CLASS_NAME(PDB_SourceCompression, LZ, OS)
     CASE_OUTPUT_ENUM_CLASS_STR(PDB_SourceCompression, RunLengthEncoded, "RLE",
                                OS)
+    CASE_OUTPUT_ENUM_CLASS_NAME(PDB_SourceCompression, DotNet, OS)
+  default:
+    OS << "Unknown (" << Compression << ")";
   }
   return OS;
 }
diff --git a/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp b/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp
index 951909295d13..8eb3311b09e3 100644
--- a/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp
+++ b/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp
@@ -1,9 +1,8 @@
 //===- PDBInterfaceAnchors.h - defines class anchor funcions ----*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 // Class anchors are necessary per the LLVM Coding style guide, to ensure that
diff --git a/lib/DebugInfo/PDB/PDBSymDumper.cpp b/lib/DebugInfo/PDB/PDBSymDumper.cpp
index 2f819312e54e..0956a32f4a49 100644
--- a/lib/DebugInfo/PDB/PDBSymDumper.cpp
+++ b/lib/DebugInfo/PDB/PDBSymDumper.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymDumper.cpp - ---------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbol.cpp b/lib/DebugInfo/PDB/PDBSymbol.cpp
index d492edafdafe..34c8ac41d45b 100644
--- a/lib/DebugInfo/PDB/PDBSymbol.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbol.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbol.cpp - base class for user-facing symbol types --*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolAnnotation.cpp b/lib/DebugInfo/PDB/PDBSymbolAnnotation.cpp
index cb1a9bee8024..0fa83efb7ae0 100644
--- a/lib/DebugInfo/PDB/PDBSymbolAnnotation.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolAnnotation.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolAnnotation.cpp - --------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolBlock.cpp b/lib/DebugInfo/PDB/PDBSymbolBlock.cpp
index 13eec9734d02..9452282a8817 100644
--- a/lib/DebugInfo/PDB/PDBSymbolBlock.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolBlock.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolBlock.cpp - -------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp b/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp
index bbc5e6dd2a17..9b2883546305 100644
--- a/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolCompiland.cpp - compiland details ---------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -91,16 +90,16 @@ std::string PDBSymbolCompiland::getSourceFileFullPath() const {
   PDB_Lang Lang = Details ? Details->getLanguage() : PDB_Lang::Cpp;
   auto SrcFiles = Session.getSourceFilesForCompiland(*this);
   if (SrcFiles) {
-    bool LangC = (Lang == PDB_Lang::Cpp || Lang == PDB_Lang::C);
     while (auto File = SrcFiles->getNext()) {
       std::string FileName = File->getFileName();
       auto file_extension = sys::path::extension(FileName);
       if (StringSwitch<bool>(file_extension.lower())
-              .Case(".cpp", LangC)
-              .Case(".c", LangC)
-              .Case(".cc", LangC)
-              .Case(".cxx", LangC)
+              .Case(".cpp", Lang == PDB_Lang::Cpp)
+              .Case(".cc", Lang == PDB_Lang::Cpp)
+              .Case(".cxx", Lang == PDB_Lang::Cpp)
+              .Case(".c", Lang == PDB_Lang::C)
               .Case(".asm", Lang == PDB_Lang::Masm)
+              .Case(".swift", Lang == PDB_Lang::Swift)
               .Default(false))
         return File->getFileName();
     }
diff --git a/lib/DebugInfo/PDB/PDBSymbolCompilandDetails.cpp b/lib/DebugInfo/PDB/PDBSymbolCompilandDetails.cpp
index bdd8535a3ef3..0d86dfe1e632 100644
--- a/lib/DebugInfo/PDB/PDBSymbolCompilandDetails.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolCompilandDetails.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolCompilandDetails.cpp - compiland details --------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolCompilandEnv.cpp b/lib/DebugInfo/PDB/PDBSymbolCompilandEnv.cpp
index f88df2df6be4..61f119405fd9 100644
--- a/lib/DebugInfo/PDB/PDBSymbolCompilandEnv.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolCompilandEnv.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolCompilandEnv.cpp - compiland env variables ------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolCustom.cpp b/lib/DebugInfo/PDB/PDBSymbolCustom.cpp
index 10a21806adb6..6c9a4aa76c3d 100644
--- a/lib/DebugInfo/PDB/PDBSymbolCustom.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolCustom.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolCustom.cpp - compiler-specific types ------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolData.cpp b/lib/DebugInfo/PDB/PDBSymbolData.cpp
index 7de94670bcb3..d2b82111ccd5 100644
--- a/lib/DebugInfo/PDB/PDBSymbolData.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolData.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolData.cpp - PDB data (e.g. variable) accessors ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolExe.cpp b/lib/DebugInfo/PDB/PDBSymbolExe.cpp
index eb409412af59..c85756c43e47 100644
--- a/lib/DebugInfo/PDB/PDBSymbolExe.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolExe.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolExe.cpp - ---------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolFunc.cpp b/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
index 75063cb3e7f8..7c3ba981fd6b 100644
--- a/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolFunc.cpp - --------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolFuncDebugEnd.cpp b/lib/DebugInfo/PDB/PDBSymbolFuncDebugEnd.cpp
index af8aafa7be96..66433dc17b49 100644
--- a/lib/DebugInfo/PDB/PDBSymbolFuncDebugEnd.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolFuncDebugEnd.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolFuncDebugEnd.cpp - ------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolFuncDebugStart.cpp b/lib/DebugInfo/PDB/PDBSymbolFuncDebugStart.cpp
index 77b510873bea..fe32c93c0121 100644
--- a/lib/DebugInfo/PDB/PDBSymbolFuncDebugStart.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolFuncDebugStart.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolFuncDebugStart.cpp - ----------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolLabel.cpp b/lib/DebugInfo/PDB/PDBSymbolLabel.cpp
index c802b97925e6..1fffe69a0c83 100644
--- a/lib/DebugInfo/PDB/PDBSymbolLabel.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolLabel.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolLabel.cpp - -------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp b/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp
index a2dd2ab92dd9..08697683f641 100644
--- a/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolPublicSymbol.cpp - ------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolThunk.cpp b/lib/DebugInfo/PDB/PDBSymbolThunk.cpp
index d227e3a7a60c..6483858183e5 100644
--- a/lib/DebugInfo/PDB/PDBSymbolThunk.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolThunk.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolThunk.cpp - -------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeArray.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeArray.cpp
index a2064d1ac1eb..a0d521abe43f 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeArray.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeArray.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeArray.cpp - ---------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeBaseClass.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeBaseClass.cpp
index f0376c05557f..08467059b5e1 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeBaseClass.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeBaseClass.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeBaseClass.cpp - -----------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeBuiltin.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeBuiltin.cpp
index a9f59e5f9d4d..a0dd9ef601c0 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeBuiltin.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeBuiltin.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeBuiltin.cpp - ------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeCustom.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeCustom.cpp
index cfb347fbac55..6723894c90ea 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeCustom.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeCustom.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeCustom.cpp - --------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeDimension.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeDimension.cpp
index 4eb48997635a..4a25a391f278 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeDimension.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeDimension.cpp
@@ -1,10 +1,9 @@
 //===- PDBSymbolTypeDimension.cpp - --------------------------------*- C++
 //-*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp
index 2e88d9eb284a..b9fdf6aec811 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeEnum.cpp - --------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeFriend.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeFriend.cpp
index 00d2d51aa8a7..4ffea42cbb0a 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeFriend.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeFriend.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeFriend.cpp - --------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeFunctionArg.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeFunctionArg.cpp
index 0399e110d592..683e93548fb1 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeFunctionArg.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeFunctionArg.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeFunctionArg.cpp - --------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeFunctionSig.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeFunctionSig.cpp
index c0564d3941dd..292320a6fe6d 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeFunctionSig.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeFunctionSig.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeFunctionSig.cpp - --------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeManaged.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeManaged.cpp
index 1faaf9c67a2c..e80e6c716572 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeManaged.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeManaged.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymboTypelManaged.cpp - ------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypePointer.cpp b/lib/DebugInfo/PDB/PDBSymbolTypePointer.cpp
index cf5a369116a9..462fc315359b 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypePointer.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypePointer.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypePointer.cpp -----------------------------------*- C++ -===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeTypedef.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeTypedef.cpp
index 1838f1612b49..70749d9bf5f5 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeTypedef.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeTypedef.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeTypedef.cpp ---------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp
index 2f5222f34fe4..d302c29a3bec 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeUDT.cpp - --------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeVTable.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeVTable.cpp
index 0262f91e8336..4e2a45116d51 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeVTable.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeVTable.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeVTable.cpp - --------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp b/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp
index 16c3a3606981..78957620e083 100644
--- a/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolTypeVTableShape.cpp - ---------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolUnknown.cpp b/lib/DebugInfo/PDB/PDBSymbolUnknown.cpp
index 7bcf9457a2b6..650d01183171 100644
--- a/lib/DebugInfo/PDB/PDBSymbolUnknown.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolUnknown.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolUnknown.cpp - -----------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/PDBSymbolUsingNamespace.cpp b/lib/DebugInfo/PDB/PDBSymbolUsingNamespace.cpp
index ecf2126f8802..74afbdb18086 100644
--- a/lib/DebugInfo/PDB/PDBSymbolUsingNamespace.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolUsingNamespace.cpp
@@ -1,9 +1,8 @@
 //===- PDBSymbolUsingNamespace.cpp - ------------------- --------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/DebugInfo/PDB/UDTLayout.cpp b/lib/DebugInfo/PDB/UDTLayout.cpp
index 5f4390bbaf12..acb1599480b0 100644
--- a/lib/DebugInfo/PDB/UDTLayout.cpp
+++ b/lib/DebugInfo/PDB/UDTLayout.cpp
@@ -1,9 +1,8 @@
 //===- UDTLayout.cpp ------------------------------------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//