[CodeView] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC).

llvm-svn: 306616

24 files changed, 312 insertions, 161 deletions

diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h
index 9fc90f13d34..78b284563af 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h
@@ -12,13 +12,19 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
-#include "llvm/Support/Endian.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
+#include <vector>
 
 namespace llvm {
+
 namespace codeview {
 
 class DebugStringTableSubsection;
@@ -28,24 +34,22 @@ struct FileChecksumEntry {
   FileChecksumKind Kind;      // The type of checksum.
   ArrayRef<uint8_t> Checksum; // The bytes of the checksum.
 };
-}
-}
 
-namespace llvm {
+} // end namespace codeview
+
 template <> struct VarStreamArrayExtractor<codeview::FileChecksumEntry> {
 public:
-  typedef void ContextType;
+  using ContextType = void;
 
   Error operator()(BinaryStreamRef Stream, uint32_t &Len,
                    codeview::FileChecksumEntry &Item);
 };
-}
 
-namespace llvm {
 namespace codeview {
+
 class DebugChecksumsSubsectionRef final : public DebugSubsectionRef {
-  typedef VarStreamArray<codeview::FileChecksumEntry> FileChecksumArray;
-  typedef FileChecksumArray::Iterator Iterator;
+  using FileChecksumArray = VarStreamArray<codeview::FileChecksumEntry>;
+  using Iterator = FileChecksumArray::Iterator;
 
 public:
   DebugChecksumsSubsectionRef()
@@ -89,10 +93,12 @@ private:
 
   DenseMap<uint32_t, uint32_t> OffsetMap;
   uint32_t SerializedSize = 0;
-  llvm::BumpPtrAllocator Storage;
+  BumpPtrAllocator Storage;
   std::vector<FileChecksumEntry> Checksums;
 };
-}
-}
 
-#endif
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCHECKSUMSSUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugCrossExSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugCrossExSubsection.h
index f755b23422c..2f9e9814d99 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugCrossExSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugCrossExSubsection.h
@@ -10,18 +10,21 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H
 #define LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H
 
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
-#include "llvm/Support/Endian.h"
-
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
 #include <map>
 
 namespace llvm {
 namespace codeview {
+
 class DebugCrossModuleExportsSubsectionRef final : public DebugSubsectionRef {
-  typedef FixedStreamArray<CrossModuleExport> ReferenceArray;
-  typedef ReferenceArray::Iterator Iterator;
+  using ReferenceArray = FixedStreamArray<CrossModuleExport>;
+  using Iterator = ReferenceArray::Iterator;
 
 public:
   DebugCrossModuleExportsSubsectionRef()
@@ -58,7 +61,8 @@ public:
 private:
   std::map<uint32_t, uint32_t> Mappings;
 };
-}
-}
 
-#endif
+} // end namespace codeview
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSEXSUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h
index ea3a9a43d50..8be7ef265c8 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h
@@ -11,38 +11,43 @@
 #define LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H
 
 #include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
+#include <vector>
 
 namespace llvm {
+
 namespace codeview {
 
 struct CrossModuleImportItem {
   const CrossModuleImport *Header = nullptr;
-  llvm::FixedStreamArray<support::ulittle32_t> Imports;
+  FixedStreamArray<support::ulittle32_t> Imports;
 };
-}
-}
 
-namespace llvm {
+} // end namespace codeview
+
 template <> struct VarStreamArrayExtractor<codeview::CrossModuleImportItem> {
 public:
-  typedef void ContextType;
+  using ContextType = void;
 
   Error operator()(BinaryStreamRef Stream, uint32_t &Len,
                    codeview::CrossModuleImportItem &Item);
 };
-}
 
-namespace llvm {
 namespace codeview {
+
 class DebugStringTableSubsection;
 
 class DebugCrossModuleImportsSubsectionRef final : public DebugSubsectionRef {
-  typedef VarStreamArray<CrossModuleImportItem> ReferenceArray;
-  typedef ReferenceArray::Iterator Iterator;
+  using ReferenceArray = VarStreamArray<CrossModuleImportItem>;
+  using Iterator = ReferenceArray::Iterator;
 
 public:
   DebugCrossModuleImportsSubsectionRef()
@@ -82,7 +87,9 @@ private:
   DebugStringTableSubsection &Strings;
   StringMap<std::vector<support::ulittle32_t>> Mappings;
 };
-}
-}
 
-#endif
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGCROSSIMPSUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
index 7484af66310..b88c0eae1de 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
@@ -7,19 +7,26 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_CODEVIEW_BUGINLINEELINESSUBSECTION_H
-#define LLVM_DEBUGINFO_CODEVIEW_BUGINLINEELINESSUBSECTION_H
+#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H
+#define LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H
 
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/DebugInfo/CodeView/Line.h"
+#include "llvm/DebugInfo/CodeView/TypeIndex.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
+#include <cstdint>
+#include <vector>
 
 namespace llvm {
+
 namespace codeview {
 
-class DebugInlineeLinesSubsectionRef;
 class DebugChecksumsSubsection;
 
 enum class InlineeLinesSignature : uint32_t {
@@ -40,18 +47,21 @@ struct InlineeSourceLine {
   const InlineeSourceLineHeader *Header;
   FixedStreamArray<support::ulittle32_t> ExtraFiles;
 };
-}
+
+} // end namespace codeview
 
 template <> struct VarStreamArrayExtractor<codeview::InlineeSourceLine> {
   Error operator()(BinaryStreamRef Stream, uint32_t &Len,
                    codeview::InlineeSourceLine &Item);
+
   bool HasExtraFiles = false;
 };
 
 namespace codeview {
+
 class DebugInlineeLinesSubsectionRef final : public DebugSubsectionRef {
-  typedef VarStreamArray<InlineeSourceLine> LinesArray;
-  typedef LinesArray::Iterator Iterator;
+  using LinesArray = VarStreamArray<InlineeSourceLine>;
+  using Iterator = LinesArray::Iterator;
 
 public:
   DebugInlineeLinesSubsectionRef();
@@ -99,13 +109,13 @@ public:
 
 private:
   DebugChecksumsSubsection &Checksums;
-
   bool HasExtraFiles = false;
   uint32_t ExtraFileCount = 0;
-
   std::vector<Entry> Entries;
 };
-}
-}
 
-#endif
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugLinesSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugLinesSubsection.h
index f1feb1336cc..53044b6c3dc 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugLinesSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugLinesSubsection.h
@@ -1,4 +1,4 @@
-//===- DebugLinesSubsection.h --------------------------------*- C++ -*-===//
+//===- DebugLinesSubsection.h -----------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,14 +7,20 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGLINEFRAGMENT_H
-#define LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGLINEFRAGMENT_H
+#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGLINESSUBSECTION_H
+#define LLVM_DEBUGINFO_CODEVIEW_DEBUGLINESSUBSECTION_H
 
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/DebugInfo/CodeView/Line.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
+#include <cstdint>
+#include <vector>
 
 namespace llvm {
 namespace codeview {
@@ -72,8 +78,9 @@ public:
 
 class DebugLinesSubsectionRef final : public DebugSubsectionRef {
   friend class LineColumnExtractor;
-  typedef VarStreamArray<LineColumnEntry, LineColumnExtractor> LineInfoArray;
-  typedef LineInfoArray::Iterator Iterator;
+
+  using LineInfoArray = VarStreamArray<LineColumnEntry, LineColumnExtractor>;
+  using Iterator = LineInfoArray::Iterator;
 
 public:
   DebugLinesSubsectionRef();
@@ -130,14 +137,14 @@ public:
 
 private:
   DebugChecksumsSubsection &Checksums;
-
   uint32_t RelocOffset = 0;
   uint16_t RelocSegment = 0;
   uint32_t CodeSize = 0;
   LineFlags Flags = LF_None;
   std::vector<Block> Blocks;
 };
-}
-}
 
-#endif
+} // end namespace codeview
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGLINESSUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugStringTableSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugStringTableSubsection.h
index be0a2344965..7f0f10e4fbf 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugStringTableSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugStringTableSubsection.h
@@ -12,17 +12,15 @@
 
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Error.h"
-
-#include <stdint.h>
+#include <cstdint>
 
 namespace llvm {
 
 class BinaryStreamReader;
-class BinaryStreamRef;
-class BinaryStreamWriter;
 
 namespace codeview {
 
@@ -83,7 +81,9 @@ private:
   StringMap<uint32_t> Strings;
   uint32_t StringSize = 1;
 };
-}
-}
 
-#endif
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGSTRINGTABLESUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugSubsectionRecord.h b/llvm/include/llvm/DebugInfo/CodeView/DebugSubsectionRecord.h
index ee17b47d8e6..fc0cf0d1d90 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugSubsectionRecord.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugSubsectionRecord.h
@@ -1,4 +1,4 @@
-//===- DebugSubsection.h ------------------------------------*- C++ -*-===//
+//===- DebugSubsectionRecord.h ----------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,17 +7,22 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
-#define LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
+#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONRECORD_H
+#define LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONRECORD_H
 
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamRef.h"
-#include "llvm/Support/BinaryStreamWriter.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
+#include "llvm/Support/MathExtras.h"
+#include <cstdint>
+#include <memory>
 
 namespace llvm {
+
+class BinaryStreamWriter;
+
 namespace codeview {
 
 class DebugSubsection;
@@ -42,8 +47,8 @@ public:
   BinaryStreamRef getRecordData() const;
 
 private:
-  CodeViewContainer Container;
-  DebugSubsectionKind Kind;
+  CodeViewContainer Container = CodeViewContainer::ObjectFile;
+  DebugSubsectionKind Kind = DebugSubsectionKind::None;
   BinaryStreamRef Data;
 };
 
@@ -71,7 +76,7 @@ private:
   CodeViewContainer Container;
 };
 
-} // namespace codeview
+} // end namespace codeview
 
 template <> struct VarStreamArrayExtractor<codeview::DebugSubsectionRecord> {
   Error operator()(BinaryStreamRef Stream, uint32_t &Length,
@@ -88,8 +93,11 @@ template <> struct VarStreamArrayExtractor<codeview::DebugSubsectionRecord> {
 };
 
 namespace codeview {
-typedef VarStreamArray<DebugSubsectionRecord> DebugSubsectionArray;
-}
-} // namespace llvm
 
-#endif // LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
+using DebugSubsectionArray = VarStreamArray<DebugSubsectionRecord>;
+
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONRECORD_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h
index ad58a293cb0..a4c04b55eb4 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h
@@ -10,17 +10,23 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGSYMBOLRVASUBSECTION_H
 #define LLVM_DEBUGINFO_CODEVIEW_DEBUGSYMBOLRVASUBSECTION_H
 
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/Support/BinaryStreamArray.h"
-#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
+#include <cstdint>
+#include <vector>
 
 namespace llvm {
+
+class BinaryStreamReader;
+
 namespace codeview {
 
 class DebugSymbolRVASubsectionRef final : public DebugSubsectionRef {
 public:
-  typedef FixedStreamArray<support::ulittle32_t> ArrayType;
+  using ArrayType = FixedStreamArray<support::ulittle32_t>;
 
   DebugSymbolRVASubsectionRef();
 
@@ -53,7 +59,9 @@ public:
 private:
   std::vector<support::ulittle32_t> RVAs;
 };
-} // namespace codeview
-} // namespace llvm
 
-#endif
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGSYMBOLRVASUBSECTION_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/EnumTables.h b/llvm/include/llvm/DebugInfo/CodeView/EnumTables.h
index 5d54bb4cca8..ee0f0f7c602 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/EnumTables.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/EnumTables.h
@@ -1,4 +1,4 @@
-//===- EnumTables.h Enum to string conversion tables ------------*- C++ -*-===//
+//===- EnumTables.h - Enum to string conversion tables ----------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -14,11 +14,11 @@
 #include "llvm/BinaryFormat/COFF.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/Support/ScopedPrinter.h"
-
-#include <stdint.h>
+#include <cstdint>
 
 namespace llvm {
 namespace codeview {
+
 ArrayRef<EnumEntry<SymbolKind>> getSymbolTypeNames();
 ArrayRef<EnumEntry<TypeLeafKind>> getTypeLeafNames();
 ArrayRef<EnumEntry<uint16_t>> getRegisterNames();
@@ -38,7 +38,8 @@ ArrayRef<EnumEntry<uint8_t>> getThunkOrdinalNames();
 ArrayRef<EnumEntry<uint16_t>> getTrampolineNames();
 ArrayRef<EnumEntry<COFF::SectionCharacteristics>>
 getImageSectionCharacteristicNames();
-} // namespace codeview
-} // namespace llvm
+
+} // end namespace codeview
+} // end namespace llvm
 
 #endif // LLVM_DEBUGINFO_CODEVIEW_ENUMTABLES_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h b/llvm/include/llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h
index 8b1540abf90..cc0c24301d4 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h
@@ -1,4 +1,4 @@
-//===- LazyRandomTypeCollection.h ---------------------------- *- C++ --*-===//
+//===- LazyRandomTypeCollection.h -------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -10,12 +10,18 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_LAZYRANDOMTYPECOLLECTION_H
 #define LLVM_DEBUGINFO_CODEVIEW_LAZYRANDOMTYPECOLLECTION_H
 
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/DebugInfo/CodeView/TypeCollection.h"
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
 #include "llvm/Support/Allocator.h"
+#include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/StringSaver.h"
+#include <cstdint>
+#include <vector>
 
 namespace llvm {
 namespace codeview {
@@ -43,7 +49,8 @@ namespace codeview {
 /// into M chunks of roughly equal size, this yields a worst case lookup time
 /// of O(N/M) and an amortized time of O(1).
 class LazyRandomTypeCollection : public TypeCollection {
-  typedef FixedStreamArray<TypeIndexOffset> PartialOffsetArray;
+  using PartialOffsetArray = FixedStreamArray<TypeIndexOffset>;
+
   struct CacheEntry {
     CVType Type;
     uint32_t Offset;
diff --git a/llvm/include/llvm/DebugInfo/CodeView/SymbolRecord.h b/llvm/include/llvm/DebugInfo/CodeView/SymbolRecord.h
index 1cf77fcdecb..7941af8be8a 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/SymbolRecord.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/SymbolRecord.h
@@ -21,8 +21,6 @@
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/Endian.h"
-#include "llvm/Support/Error.h"
-#include <cstddef>
 #include <cstdint>
 #include <vector>
 
@@ -35,6 +33,7 @@ protected:
 
 public:
   SymbolRecordKind getKind() const { return Kind; }
+
   SymbolRecordKind Kind;
 };
 
@@ -153,6 +152,7 @@ public:
       : SymbolRecord(Kind), RecordOffset(RecordOffset) {}
 
   std::vector<TypeIndex> Indices;
+
   uint32_t RecordOffset;
 };
 
@@ -165,8 +165,8 @@ struct BinaryAnnotationIterator {
     int32_t S1;
   };
 
-  BinaryAnnotationIterator(ArrayRef<uint8_t> Annotations) : Data(Annotations) {}
   BinaryAnnotationIterator() = default;
+  BinaryAnnotationIterator(ArrayRef<uint8_t> Annotations) : Data(Annotations) {}
   BinaryAnnotationIterator(const BinaryAnnotationIterator &Other)
       : Data(Other.Data) {}
 
@@ -342,9 +342,9 @@ public:
       : SymbolRecord(SymbolRecordKind::InlineSiteSym),
         RecordOffset(RecordOffset) {}
 
-  llvm::iterator_range<BinaryAnnotationIterator> annotations() const {
-    return llvm::make_range(BinaryAnnotationIterator(AnnotationData),
-                            BinaryAnnotationIterator());
+  iterator_range<BinaryAnnotationIterator> annotations() const {
+    return make_range(BinaryAnnotationIterator(AnnotationData),
+                      BinaryAnnotationIterator());
   }
 
   uint32_t Parent;
@@ -479,6 +479,7 @@ public:
     ulittle16_t Register;
     ulittle16_t MayHaveNoName;
   };
+
   explicit DefRangeRegisterSym(SymbolRecordKind Kind) : SymbolRecord(Kind) {}
   DefRangeRegisterSym(uint32_t RecordOffset)
       : SymbolRecord(SymbolRecordKind::DefRangeRegisterSym),
@@ -501,6 +502,7 @@ public:
     ulittle16_t MayHaveNoName;
     ulittle32_t OffsetInParent;
   };
+
   explicit DefRangeSubfieldRegisterSym(SymbolRecordKind Kind)
       : SymbolRecord(Kind) {}
   DefRangeSubfieldRegisterSym(uint32_t RecordOffset)
@@ -546,6 +548,7 @@ public:
     ulittle16_t Flags;
     little32_t BasePointerOffset;
   };
+
   explicit DefRangeRegisterRelSym(SymbolRecordKind Kind) : SymbolRecord(Kind) {}
   explicit DefRangeRegisterRelSym(uint32_t RecordOffset)
       : SymbolRecord(SymbolRecordKind::DefRangeRegisterRelSym),
@@ -935,8 +938,8 @@ public:
   uint32_t RecordOffset;
 };
 
-typedef CVRecord<SymbolKind> CVSymbol;
-typedef VarStreamArray<CVSymbol> CVSymbolArray;
+using CVSymbol = CVRecord<SymbolKind>;
+using CVSymbolArray = VarStreamArray<CVSymbol>;
 
 } // end namespace codeview
 } // end namespace llvm
diff --git a/llvm/include/llvm/DebugInfo/CodeView/TypeRecord.h b/llvm/include/llvm/DebugInfo/CodeView/TypeRecord.h
index 3a64a437aa4..2efeb1b3cef 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/TypeRecord.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/TypeRecord.h
@@ -15,6 +15,7 @@
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/iterator_range.h"
 #include "llvm/DebugInfo/CodeView/CVRecord.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
@@ -25,31 +26,30 @@
 #include <vector>
 
 namespace llvm {
-
-class BinaryStreamReader;
-
 namespace codeview {
 
 using support::little32_t;
 using support::ulittle16_t;
 using support::ulittle32_t;
 
-typedef CVRecord<TypeLeafKind> CVType;
-typedef RemappedRecord<TypeLeafKind> RemappedType;
+using CVType = CVRecord<TypeLeafKind>;
+using RemappedType = RemappedRecord<TypeLeafKind>;
 
 struct CVMemberRecord {
   TypeLeafKind Kind;
   ArrayRef<uint8_t> Data;
 };
-typedef VarStreamArray<CVType> CVTypeArray;
-typedef iterator_range<CVTypeArray::Iterator> CVTypeRange;
+using CVTypeArray = VarStreamArray<CVType>;
+using CVTypeRange = iterator_range<CVTypeArray::Iterator>;
 
 /// Equvalent to CV_fldattr_t in cvinfo.h.
 struct MemberAttributes {
   uint16_t Attrs = 0;
+
   enum {
     MethodKindShift = 2,
   };
+
   MemberAttributes() = default;
 
   explicit MemberAttributes(MemberAccess Access)
@@ -226,6 +226,7 @@ public:
   TypeIndex getClassType() const { return ClassType; }
   TypeIndex getFunctionType() const { return FunctionType; }
   StringRef getName() const { return Name; }
+
   TypeIndex ClassType;
   TypeIndex FunctionType;
   StringRef Name;
@@ -330,7 +331,6 @@ public:
 
   TypeIndex ReferentType;
   uint32_t Attrs;
-
   Optional<MemberPointerInfo> MemberInfo;
 
 private:
@@ -490,6 +490,7 @@ public:
         UnderlyingType(UnderlyingType) {}
 
   TypeIndex getUnderlyingType() const { return UnderlyingType; }
+
   TypeIndex UnderlyingType;
 };
 
@@ -505,6 +506,7 @@ public:
   TypeIndex getType() const { return Type; }
   uint8_t getBitOffset() const { return BitOffset; }
   uint8_t getBitSize() const { return BitSize; }
+
   TypeIndex Type;
   uint8_t BitSize;
   uint8_t BitOffset;
@@ -527,6 +529,7 @@ public:
   }
 
   uint32_t getEntryCount() const { return getSlots().size(); }
+
   ArrayRef<VFTableSlotKind> SlotsRef;
   std::vector<VFTableSlotKind> Slots;
 };
@@ -541,9 +544,7 @@ public:
         Name(Name) {}
 
   StringRef getGuid() const { return Guid; }
-
   uint32_t getAge() const { return Age; }
-
   StringRef getName() const { return Name; }
 
   StringRef Guid;
@@ -560,8 +561,8 @@ public:
       : TypeRecord(TypeRecordKind::StringId), Id(Id), String(String) {}
 
   TypeIndex getId() const { return Id; }
-
   StringRef getString() const { return String; }
+
   TypeIndex Id;
   StringRef String;
 };
@@ -576,9 +577,7 @@ public:
         FunctionType(FunctionType), Name(Name) {}
 
   TypeIndex getParentScope() const { return ParentScope; }
-
   TypeIndex getFunctionType() const { return FunctionType; }
-
   StringRef getName() const { return Name; }
 
   TypeIndex ParentScope;
@@ -635,6 +634,7 @@ public:
         ArgIndices(ArgIndices.begin(), ArgIndices.end()) {}
 
   ArrayRef<TypeIndex> getArgs() const { return ArgIndices; }
+
   SmallVector<TypeIndex, 4> ArgIndices;
 };
 
@@ -656,6 +656,7 @@ public:
   TypeIndex getOverriddenVTable() const { return OverriddenVFTable; }
   uint32_t getVFPtrOffset() const { return VFPtrOffset; }
   StringRef getName() const { return makeArrayRef(MethodNames).front(); }
+
   ArrayRef<StringRef> getMethodNames() const {
     return makeArrayRef(MethodNames).drop_front();
   }
@@ -707,6 +708,7 @@ public:
       : TypeRecord(TypeRecordKind::MethodOverloadList), Methods(Methods) {}
 
   ArrayRef<OneMethodRecord> getMethods() const { return Methods; }
+
   std::vector<OneMethodRecord> Methods;
 };
 
@@ -723,6 +725,7 @@ public:
   uint16_t getNumOverloads() const { return NumOverloads; }
   TypeIndex getMethodList() const { return MethodList; }
   StringRef getName() const { return Name; }
+
   uint16_t NumOverloads;
   TypeIndex MethodList;
   StringRef Name;
@@ -874,7 +877,6 @@ public:
 };
 
 } // end namespace codeview
-
 } // end namespace llvm
 
 #endif // LLVM_DEBUGINFO_CODEVIEW_TYPERECORD_H
diff --git a/llvm/include/llvm/DebugInfo/CodeView/TypeSerializer.h b/llvm/include/llvm/DebugInfo/CodeView/TypeSerializer.h
index 988a2d4aa83..0e734a8170b 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/TypeSerializer.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/TypeSerializer.h
@@ -10,19 +10,25 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_TYPESERIALIZER_H
 #define LLVM_DEBUGINFO_CODEVIEW_TYPESERIALIZER_H
 
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
+#include "llvm/DebugInfo/CodeView/TypeIndex.h"
+#include "llvm/DebugInfo/CodeView/TypeRecord.h"
 #include "llvm/DebugInfo/CodeView/TypeRecordMapping.h"
 #include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
+#include "llvm/Support/Allocator.h"
 #include "llvm/Support/BinaryByteStream.h"
 #include "llvm/Support/BinaryStreamWriter.h"
-
-#include "llvm/ADT/Optional.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/Allocator.h"
 #include "llvm/Support/Error.h"
+#include <cassert>
+#include <cstdint>
+#include <memory>
+#include <vector>
 
 namespace llvm {
-
 namespace codeview {
 
 class TypeHasher;
@@ -46,7 +52,7 @@ class TypeSerializer : public TypeVisitorCallbacks {
     }
   };
 
-  typedef SmallVector<MutableArrayRef<uint8_t>, 2> MutableRecordList;
+  using MutableRecordList = SmallVector<MutableArrayRef<uint8_t>, 2>;
 
   static constexpr uint8_t ContinuationLength = 8;
   BumpPtrAllocator &RecordStorage;
@@ -82,7 +88,7 @@ class TypeSerializer : public TypeVisitorCallbacks {
 
 public:
   explicit TypeSerializer(BumpPtrAllocator &Storage, bool Hash = true);
-  ~TypeSerializer();
+  ~TypeSerializer() override;
 
   void reset();
 
@@ -146,7 +152,8 @@ private:
     return Error::success();
   }
 };
-}
-}
 
-#endif
+} // end namespace codeview
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_TYPESERIALIZER_H
diff --git a/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp
index c31b8d1c96d..ccc20eb7488 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugChecksumsSubsection.cpp ----------------------*- C++ -*-===//
+//===- DebugChecksumsSubsection.cpp ---------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,10 +8,17 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
-
-#include "llvm/DebugInfo/CodeView/CodeViewError.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
 #include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MathExtras.h"
+#include <cassert>
+#include <cstdint>
+#include <cstring>
 
 using namespace llvm;
 using namespace llvm::codeview;
@@ -25,7 +32,7 @@ struct FileChecksumEntryHeader {
                               // Checksum bytes follow.
 };
 
-Error llvm::VarStreamArrayExtractor<FileChecksumEntry>::
+Error VarStreamArrayExtractor<FileChecksumEntry>::
 operator()(BinaryStreamRef Stream, uint32_t &Len, FileChecksumEntry &Item) {
   BinaryStreamReader Reader(Stream);
 
@@ -48,6 +55,7 @@ Error DebugChecksumsSubsectionRef::initialize(BinaryStreamReader Reader) {
 
   return Error::success();
 }
+
 Error DebugChecksumsSubsectionRef::initialize(BinaryStreamRef Section) {
   BinaryStreamReader Reader(Section);
   return initialize(Reader);
diff --git a/llvm/lib/DebugInfo/CodeView/DebugCrossExSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugCrossExSubsection.cpp
index 21e2cc56075..cef27787cfd 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugCrossExSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugCrossExSubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugCrossExSubsection.cpp -------------------------------*- C++ -*-===//
+//===- DebugCrossExSubsection.cpp -----------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,8 +8,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugCrossExSubsection.h"
-
 #include "llvm/DebugInfo/CodeView/CodeViewError.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/CodeView/DebugCrossImpSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugCrossImpSubsection.cpp
index 2c4a0b77934..88c0076915b 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugCrossImpSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugCrossImpSubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugCrossImpSubsection.cpp ------------------------------*- C++ -*-===//
+//===- DebugCrossImpSubsection.cpp ----------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,14 +8,21 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h"
-
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/DebugInfo/CodeView/CodeViewError.h"
 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include <algorithm>
+#include <cstdint>
+#include <utility>
+#include <vector>
 
 using namespace llvm;
 using namespace llvm::codeview;
 
-namespace llvm {
 Error VarStreamArrayExtractor<CrossModuleImportItem>::
 operator()(BinaryStreamRef Stream, uint32_t &Len,
            codeview::CrossModuleImportItem &Item) {
@@ -34,7 +41,6 @@ operator()(BinaryStreamRef Stream, uint32_t &Len,
     return EC;
   return Error::success();
 }
-}
 
 Error DebugCrossModuleImportsSubsectionRef::initialize(
     BinaryStreamReader Reader) {
diff --git a/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
index e7719d05dbd..077c103a615 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugInlineeLinesSubsection.cpp ------------------------*- C++-*-===//
+//===- DebugInlineeLinesSubsection.cpp ------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,11 +8,15 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
-
-#include "llvm/DebugInfo/CodeView/CodeViewError.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
-#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
-#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include <cassert>
+#include <cstdint>
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/CodeView/DebugLinesSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugLinesSubsection.cpp
index fbcad61d60a..57ad40819fb 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugLinesSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugLinesSubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugLinesSubsection.cpp -------------------------------*- C++-*-===//
+//===- DebugLinesSubsection.cpp -------------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,18 +8,21 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
-
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/CodeViewError.h"
 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
-#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
-#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Error.h"
+#include <cassert>
+#include <cstdint>
 
 using namespace llvm;
 using namespace llvm::codeview;
 
 Error LineColumnExtractor::operator()(BinaryStreamRef Stream, uint32_t &Len,
                                       LineColumnEntry &Item) {
-  using namespace codeview;
   const LineBlockFragmentHeader *BlockHeader;
   BinaryStreamReader Reader(Stream);
   if (auto EC = Reader.readObject(BlockHeader))
diff --git a/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp
index de02525270c..d723282eb71 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugStringTableSubsection.cpp - CodeView String Table ---*- C++ -*-===//
+//===- DebugStringTableSubsection.cpp - CodeView String Table -------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,10 +8,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
-
-#include "llvm/Support/BinaryStream.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Error.h"
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
 
 using namespace llvm;
 using namespace llvm::codeview;
@@ -23,6 +27,7 @@ Error DebugStringTableSubsectionRef::initialize(BinaryStreamRef Contents) {
   Stream = Contents;
   return Error::success();
 }
+
 Error DebugStringTableSubsectionRef::initialize(BinaryStreamReader &Reader) {
   return Reader.readStreamRef(Stream);
 }
diff --git a/llvm/lib/DebugInfo/CodeView/DebugSubsectionRecord.cpp b/llvm/lib/DebugInfo/CodeView/DebugSubsectionRecord.cpp
index d69eca018e0..55f343c11e7 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugSubsectionRecord.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugSubsectionRecord.cpp
@@ -1,4 +1,4 @@
-//===- DebugSubsectionRecord.cpp -----------------------------*- C++-*-===//
+//===- DebugSubsectionRecord.cpp ------------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,16 +8,20 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
-
 #include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MathExtras.h"
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
 
 using namespace llvm;
 using namespace llvm::codeview;
 
-DebugSubsectionRecord::DebugSubsectionRecord()
-    : Container(CodeViewContainer::ObjectFile),
-      Kind(DebugSubsectionKind::None) {}
+DebugSubsectionRecord::DebugSubsectionRecord() = default;
 
 DebugSubsectionRecord::DebugSubsectionRecord(DebugSubsectionKind Kind,
                                              BinaryStreamRef Data,
diff --git a/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp
index 5f91b68f3ad..60fbf9d747b 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugSymbolRVASubsection.cpp
@@ -1,4 +1,4 @@
-//===- DebugSymbolRVASubsection.cpp ------------------------------*- C++-*-===//
+//===- DebugSymbolRVASubsection.cpp ---------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,6 +8,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include <cstdint>
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/CodeView/EnumTables.cpp b/llvm/lib/DebugInfo/CodeView/EnumTables.cpp
index ec00af28395..4cfb55a31b3 100644
--- a/llvm/lib/DebugInfo/CodeView/EnumTables.cpp
+++ b/llvm/lib/DebugInfo/CodeView/EnumTables.cpp
@@ -1,4 +1,4 @@
-//===- EnumTables.cpp - Enum to string conversion tables --------*- C++ -*-===//
+//===- EnumTables.cpp - Enum to string conversion tables ------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,6 +8,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/EnumTables.h"
+#include "llvm/Support/ScopedPrinter.h"
+#include <type_traits>
 
 using namespace llvm;
 using namespace codeview;
@@ -333,6 +335,7 @@ static const EnumEntry<COFF::SectionCharacteristics>
 
 namespace llvm {
 namespace codeview {
+
 ArrayRef<EnumEntry<SymbolKind>> getSymbolTypeNames() {
   return makeArrayRef(SymbolTypeNames);
 }
@@ -348,48 +351,63 @@ ArrayRef<EnumEntry<uint16_t>> getRegisterNames() {
 ArrayRef<EnumEntry<uint32_t>> getPublicSymFlagNames() {
   return makeArrayRef(PublicSymFlagNames);
 }
+
 ArrayRef<EnumEntry<uint8_t>> getProcSymFlagNames() {
   return makeArrayRef(ProcSymFlagNames);
 }
+
 ArrayRef<EnumEntry<uint16_t>> getLocalFlagNames() {
   return makeArrayRef(LocalFlags);
 }
+
 ArrayRef<EnumEntry<uint8_t>> getFrameCookieKindNames() {
   return makeArrayRef(FrameCookieKinds);
 }
+
 ArrayRef<EnumEntry<SourceLanguage>> getSourceLanguageNames() {
   return makeArrayRef(SourceLanguages);
 }
+
 ArrayRef<EnumEntry<uint32_t>> getCompileSym2FlagNames() {
   return makeArrayRef(CompileSym2FlagNames);
 }
+
 ArrayRef<EnumEntry<uint32_t>> getCompileSym3FlagNames() {
   return makeArrayRef(CompileSym3FlagNames);
 }
+
 ArrayRef<EnumEntry<uint32_t>> getFileChecksumNames() {
   return makeArrayRef(FileChecksumNames);
 }
+
 ArrayRef<EnumEntry<unsigned>> getCPUTypeNames() {
   return makeArrayRef(CPUTypeNames);
 }
+
 ArrayRef<EnumEntry<uint32_t>> getFrameProcSymFlagNames() {
   return makeArrayRef(FrameProcSymFlagNames);
 }
+
 ArrayRef<EnumEntry<uint16_t>> getExportSymFlagNames() {
   return makeArrayRef(ExportSymFlagNames);
 }
+
 ArrayRef<EnumEntry<uint32_t>> getModuleSubstreamKindNames() {
   return makeArrayRef(ModuleSubstreamKindNames);
 }
+
 ArrayRef<EnumEntry<uint8_t>> getThunkOrdinalNames() {
   return makeArrayRef(ThunkOrdinalNames);
 }
+
 ArrayRef<EnumEntry<uint16_t>> getTrampolineNames() {
   return makeArrayRef(TrampolineNames);
 }
+
 ArrayRef<EnumEntry<COFF::SectionCharacteristics>>
 getImageSectionCharacteristicNames() {
   return makeArrayRef(ImageSectionCharacteristicNames);
 }
-}
-}
+
+} // end namespace codeview
+} // end namespace llvm
diff --git a/llvm/lib/DebugInfo/CodeView/LazyRandomTypeCollection.cpp b/llvm/lib/DebugInfo/CodeView/LazyRandomTypeCollection.cpp
index 20f7e72c3af..5aaf3f1453a 100644
--- a/llvm/lib/DebugInfo/CodeView/LazyRandomTypeCollection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/LazyRandomTypeCollection.cpp
@@ -1,4 +1,4 @@
-//===- LazyRandomTypeCollection.cpp ---------------------------- *- C++--*-===//
+//===- LazyRandomTypeCollection.cpp ---------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,12 +8,20 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
-
-#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/None.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/DebugInfo/CodeView/CodeViewError.h"
 #include "llvm/DebugInfo/CodeView/TypeName.h"
-#include "llvm/DebugInfo/CodeView/TypeServerHandler.h"
-#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
+#include "llvm/DebugInfo/CodeView/TypeRecord.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
+#include <iterator>
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/CodeView/TypeSerializer.cpp b/llvm/lib/DebugInfo/CodeView/TypeSerializer.cpp
index 93c1198e36c..003c13b4a20 100644
--- a/llvm/lib/DebugInfo/CodeView/TypeSerializer.cpp
+++ b/llvm/lib/DebugInfo/CodeView/TypeSerializer.cpp
@@ -1,4 +1,4 @@
-//===- TypeSerialzier.cpp ---------------------------------------*- C++ -*-===//
+//===- TypeSerialzier.cpp -------------------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,16 +8,27 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/CodeView/TypeSerializer.h"
-
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
+#include "llvm/DebugInfo/CodeView/TypeIndex.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/BinaryByteStream.h"
 #include "llvm/Support/BinaryStreamWriter.h"
-
-#include <string.h>
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
+#include <cstring>
 
 using namespace llvm;
 using namespace llvm::codeview;
 
 namespace {
+
 struct HashedType {
   uint64_t Hash;
   const uint8_t *Data;
@@ -30,20 +41,26 @@ struct HashedType {
 struct HashedTypePtr {
   HashedTypePtr() = default;
   HashedTypePtr(HashedType *Ptr) : Ptr(Ptr) {}
+
   HashedType *Ptr = nullptr;
 };
-} // namespace
+
+} // end anonymous namespace
 
 namespace llvm {
+
 template <> struct DenseMapInfo<HashedTypePtr> {
   static inline HashedTypePtr getEmptyKey() { return HashedTypePtr(nullptr); }
+
   static inline HashedTypePtr getTombstoneKey() {
     return HashedTypePtr(reinterpret_cast<HashedType *>(1));
   }
+
   static unsigned getHashValue(HashedTypePtr Val) {
     assert(Val.Ptr != getEmptyKey().Ptr && Val.Ptr != getTombstoneKey().Ptr);
     return Val.Ptr->Hash;
   }
+
   static bool isEqual(HashedTypePtr LHSP, HashedTypePtr RHSP) {
     HashedType *LHS = LHSP.Ptr;
     HashedType *RHS = RHSP.Ptr;
@@ -54,7 +71,8 @@ template <> struct DenseMapInfo<HashedTypePtr> {
     return ::memcmp(LHS->Data, RHS->Data, LHS->Size) == 0;
   }
 };
-}
+
+} // end namespace llvm
 
 /// Private implementation so that we don't leak our DenseMap instantiations to
 /// users.
@@ -159,13 +177,13 @@ TypeSerializer::addPadding(MutableArrayRef<uint8_t> Record) {
 
 TypeSerializer::TypeSerializer(BumpPtrAllocator &Storage, bool Hash)
     : RecordStorage(Storage), RecordBuffer(MaxRecordLength * 2),
-      Stream(RecordBuffer, llvm::support::little), Writer(Stream),
+      Stream(RecordBuffer, support::little), Writer(Stream),
       Mapping(Writer) {
   // RecordBuffer needs to be able to hold enough data so that if we are 1
   // byte short of MaxRecordLen, and then we try to write MaxRecordLen bytes,
   // we won't overflow.
   if (Hash)
-    Hasher = make_unique<TypeHasher>(Storage);
+    Hasher = llvm::make_unique<TypeHasher>(Storage);
 }
 
 TypeSerializer::~TypeSerializer() = default;
@@ -331,7 +349,7 @@ Error TypeSerializer::visitMemberEnd(CVMemberRecord &Record) {
 
     uint8_t *SegmentBytes = RecordStorage.Allocate<uint8_t>(LengthWithSize);
     auto SavedSegment = MutableArrayRef<uint8_t>(SegmentBytes, LengthWithSize);
-    MutableBinaryByteStream CS(SavedSegment, llvm::support::little);
+    MutableBinaryByteStream CS(SavedSegment, support::little);
     BinaryStreamWriter CW(CS);
     if (auto EC = CW.writeBytes(CopyData))
       return EC;