Resubmit "Write the TPI stream from a PDB to Yaml."

The original patch was breaking some buildbots due to an
incorrect ordering of function definitions which caused some
compilers to recognize a definition but others to not.

llvm-svn: 279089

9 files changed, 678 insertions, 10 deletions

diff --git a/llvm/tools/llvm-pdbdump/CMakeLists.txt b/llvm/tools/llvm-pdbdump/CMakeLists.txt
index 56324e83a63..701fcda4194 100644
--- a/llvm/tools/llvm-pdbdump/CMakeLists.txt
+++ b/llvm/tools/llvm-pdbdump/CMakeLists.txt
@@ -10,6 +10,7 @@ add_llvm_tool(llvm-pdbdump
   llvm-pdbdump.cpp
   BuiltinDumper.cpp
   ClassDefinitionDumper.cpp
+  CodeViewYaml.cpp
   CompilandDumper.cpp
   EnumDumper.cpp
   ExternalSymbolDumper.cpp
diff --git a/llvm/tools/llvm-pdbdump/CodeViewYaml.cpp b/llvm/tools/llvm-pdbdump/CodeViewYaml.cpp
new file mode 100644
index 00000000000..690e46fb041
--- /dev/null
+++ b/llvm/tools/llvm-pdbdump/CodeViewYaml.cpp
@@ -0,0 +1,506 @@
+//===- PdbYAML.cpp -------------------------------------------- *- C++ --*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CodeViewYaml.h"
+
+#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
+#include "llvm/DebugInfo/CodeView/EnumTables.h"
+#include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
+#include "llvm/DebugInfo/CodeView/TypeRecord.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+using namespace llvm::codeview::yaml;
+
+LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(TypeIndex)
+LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint64_t)
+LLVM_YAML_IS_SEQUENCE_VECTOR(OneMethodRecord)
+LLVM_YAML_IS_SEQUENCE_VECTOR(VFTableSlotKind)
+LLVM_YAML_IS_SEQUENCE_VECTOR(StringRef)
+LLVM_YAML_IS_SEQUENCE_VECTOR(CVType)
+
+namespace llvm {
+namespace yaml {
+template <> struct ScalarEnumerationTraits<PointerToMemberRepresentation> {
+  static void enumeration(IO &IO, PointerToMemberRepresentation &Value) {
+    IO.enumCase(Value, "Unknown", PointerToMemberRepresentation::Unknown);
+    IO.enumCase(Value, "SingleInheritanceData",
+                PointerToMemberRepresentation::SingleInheritanceData);
+    IO.enumCase(Value, "MultipleInheritanceData",
+                PointerToMemberRepresentation::MultipleInheritanceData);
+    IO.enumCase(Value, "VirtualInheritanceData",
+                PointerToMemberRepresentation::VirtualInheritanceData);
+    IO.enumCase(Value, "GeneralData",
+                PointerToMemberRepresentation::GeneralData);
+    IO.enumCase(Value, "SingleInheritanceFunction",
+                PointerToMemberRepresentation::SingleInheritanceFunction);
+    IO.enumCase(Value, "MultipleInheritanceFunction",
+                PointerToMemberRepresentation::MultipleInheritanceFunction);
+    IO.enumCase(Value, "VirtualInheritanceFunction",
+                PointerToMemberRepresentation::VirtualInheritanceFunction);
+    IO.enumCase(Value, "GeneralFunction",
+                PointerToMemberRepresentation::GeneralFunction);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<VFTableSlotKind> {
+  static void enumeration(IO &IO, VFTableSlotKind &Kind) {
+    IO.enumCase(Kind, "Near16", VFTableSlotKind::Near16);
+    IO.enumCase(Kind, "Far16", VFTableSlotKind::Far16);
+    IO.enumCase(Kind, "This", VFTableSlotKind::This);
+    IO.enumCase(Kind, "Outer", VFTableSlotKind::Outer);
+    IO.enumCase(Kind, "Meta", VFTableSlotKind::Meta);
+    IO.enumCase(Kind, "Near", VFTableSlotKind::Near);
+    IO.enumCase(Kind, "Far", VFTableSlotKind::Far);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<CallingConvention> {
+  static void enumeration(IO &IO, CallingConvention &Value) {
+    IO.enumCase(Value, "NearC", CallingConvention::NearC);
+    IO.enumCase(Value, "FarC", CallingConvention::FarC);
+    IO.enumCase(Value, "NearPascal", CallingConvention::NearPascal);
+    IO.enumCase(Value, "FarPascal", CallingConvention::FarPascal);
+    IO.enumCase(Value, "NearFast", CallingConvention::NearFast);
+    IO.enumCase(Value, "FarFast", CallingConvention::FarFast);
+    IO.enumCase(Value, "NearStdCall", CallingConvention::NearStdCall);
+    IO.enumCase(Value, "FarStdCall", CallingConvention::FarStdCall);
+    IO.enumCase(Value, "NearSysCall", CallingConvention::NearSysCall);
+    IO.enumCase(Value, "FarSysCall", CallingConvention::FarSysCall);
+    IO.enumCase(Value, "ThisCall", CallingConvention::ThisCall);
+    IO.enumCase(Value, "MipsCall", CallingConvention::MipsCall);
+    IO.enumCase(Value, "Generic", CallingConvention::Generic);
+    IO.enumCase(Value, "AlphaCall", CallingConvention::AlphaCall);
+    IO.enumCase(Value, "PpcCall", CallingConvention::PpcCall);
+    IO.enumCase(Value, "SHCall", CallingConvention::SHCall);
+    IO.enumCase(Value, "ArmCall", CallingConvention::ArmCall);
+    IO.enumCase(Value, "AM33Call", CallingConvention::AM33Call);
+    IO.enumCase(Value, "TriCall", CallingConvention::TriCall);
+    IO.enumCase(Value, "SH5Call", CallingConvention::SH5Call);
+    IO.enumCase(Value, "M32RCall", CallingConvention::M32RCall);
+    IO.enumCase(Value, "ClrCall", CallingConvention::ClrCall);
+    IO.enumCase(Value, "Inline", CallingConvention::Inline);
+    IO.enumCase(Value, "NearVector", CallingConvention::NearVector);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<PointerKind> {
+  static void enumeration(IO &IO, PointerKind &Kind) {
+    IO.enumCase(Kind, "Near16", PointerKind::Near16);
+    IO.enumCase(Kind, "Far16", PointerKind::Far16);
+    IO.enumCase(Kind, "Huge16", PointerKind::Huge16);
+    IO.enumCase(Kind, "BasedOnSegment", PointerKind::BasedOnSegment);
+    IO.enumCase(Kind, "BasedOnValue", PointerKind::BasedOnValue);
+    IO.enumCase(Kind, "BasedOnSegmentValue", PointerKind::BasedOnSegmentValue);
+    IO.enumCase(Kind, "BasedOnAddress", PointerKind::BasedOnAddress);
+    IO.enumCase(Kind, "BasedOnSegmentAddress",
+                PointerKind::BasedOnSegmentAddress);
+    IO.enumCase(Kind, "BasedOnType", PointerKind::BasedOnType);
+    IO.enumCase(Kind, "BasedOnSelf", PointerKind::BasedOnSelf);
+    IO.enumCase(Kind, "Near32", PointerKind::Near32);
+    IO.enumCase(Kind, "Far32", PointerKind::Far32);
+    IO.enumCase(Kind, "Near64", PointerKind::Near64);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<PointerMode> {
+  static void enumeration(IO &IO, PointerMode &Mode) {
+    IO.enumCase(Mode, "Pointer", PointerMode::Pointer);
+    IO.enumCase(Mode, "LValueReference", PointerMode::LValueReference);
+    IO.enumCase(Mode, "PointerToDataMember", PointerMode::PointerToDataMember);
+    IO.enumCase(Mode, "PointerToMemberFunction",
+                PointerMode::PointerToMemberFunction);
+    IO.enumCase(Mode, "RValueReference", PointerMode::RValueReference);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<HfaKind> {
+  static void enumeration(IO &IO, HfaKind &Value) {
+    IO.enumCase(Value, "None", HfaKind::None);
+    IO.enumCase(Value, "Float", HfaKind::Float);
+    IO.enumCase(Value, "Double", HfaKind::Double);
+    IO.enumCase(Value, "Other", HfaKind::Other);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<MemberAccess> {
+  static void enumeration(IO &IO, MemberAccess &Access) {
+    IO.enumCase(Access, "None", MemberAccess::None);
+    IO.enumCase(Access, "Private", MemberAccess::Private);
+    IO.enumCase(Access, "Protected", MemberAccess::Protected);
+    IO.enumCase(Access, "Public", MemberAccess::Public);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<MethodKind> {
+  static void enumeration(IO &IO, MethodKind &Kind) {
+    IO.enumCase(Kind, "Vanilla", MethodKind::Vanilla);
+    IO.enumCase(Kind, "Virtual", MethodKind::Virtual);
+    IO.enumCase(Kind, "Static", MethodKind::Static);
+    IO.enumCase(Kind, "Friend", MethodKind::Friend);
+    IO.enumCase(Kind, "IntroducingVirtual", MethodKind::IntroducingVirtual);
+    IO.enumCase(Kind, "PureVirtual", MethodKind::PureVirtual);
+    IO.enumCase(Kind, "PureIntroducingVirtual",
+                MethodKind::PureIntroducingVirtual);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<WindowsRTClassKind> {
+  static void enumeration(IO &IO, WindowsRTClassKind &Value) {
+    IO.enumCase(Value, "None", WindowsRTClassKind::None);
+    IO.enumCase(Value, "Ref", WindowsRTClassKind::RefClass);
+    IO.enumCase(Value, "Value", WindowsRTClassKind::ValueClass);
+    IO.enumCase(Value, "Interface", WindowsRTClassKind::Interface);
+  }
+};
+
+template <> struct ScalarBitSetTraits<PointerOptions> {
+  static void bitset(IO &IO, PointerOptions &Options) {
+    IO.bitSetCase(Options, "None", PointerOptions::None);
+    IO.bitSetCase(Options, "Flat32", PointerOptions::Flat32);
+    IO.bitSetCase(Options, "Volatile", PointerOptions::Volatile);
+    IO.bitSetCase(Options, "Const", PointerOptions::Const);
+    IO.bitSetCase(Options, "Unaligned", PointerOptions::Unaligned);
+    IO.bitSetCase(Options, "Restrict", PointerOptions::Restrict);
+    IO.bitSetCase(Options, "WinRTSmartPointer",
+                  PointerOptions::WinRTSmartPointer);
+  }
+};
+
+template <> struct ScalarBitSetTraits<ModifierOptions> {
+  static void bitset(IO &IO, ModifierOptions &Options) {
+    IO.bitSetCase(Options, "None", ModifierOptions::None);
+    IO.bitSetCase(Options, "Const", ModifierOptions::Const);
+    IO.bitSetCase(Options, "Volatile", ModifierOptions::Volatile);
+    IO.bitSetCase(Options, "Unaligned", ModifierOptions::Unaligned);
+  }
+};
+
+template <> struct ScalarBitSetTraits<FunctionOptions> {
+  static void bitset(IO &IO, FunctionOptions &Options) {
+    IO.bitSetCase(Options, "None", FunctionOptions::None);
+    IO.bitSetCase(Options, "CxxReturnUdt", FunctionOptions::CxxReturnUdt);
+    IO.bitSetCase(Options, "Constructor", FunctionOptions::Constructor);
+    IO.bitSetCase(Options, "ConstructorWithVirtualBases",
+                  FunctionOptions::ConstructorWithVirtualBases);
+  }
+};
+
+template <> struct ScalarBitSetTraits<ClassOptions> {
+  static void bitset(IO &IO, ClassOptions &Options) {
+    IO.bitSetCase(Options, "None", ClassOptions::None);
+    IO.bitSetCase(Options, "HasConstructorOrDestructor",
+                  ClassOptions::HasConstructorOrDestructor);
+    IO.bitSetCase(Options, "HasOverloadedOperator",
+                  ClassOptions::HasOverloadedOperator);
+    IO.bitSetCase(Options, "Nested", ClassOptions::Nested);
+    IO.bitSetCase(Options, "ContainsNestedClass",
+                  ClassOptions::ContainsNestedClass);
+    IO.bitSetCase(Options, "HasOverloadedAssignmentOperator",
+                  ClassOptions::HasOverloadedAssignmentOperator);
+    IO.bitSetCase(Options, "HasConversionOperator",
+                  ClassOptions::HasConversionOperator);
+    IO.bitSetCase(Options, "ForwardReference", ClassOptions::ForwardReference);
+    IO.bitSetCase(Options, "Scoped", ClassOptions::Scoped);
+    IO.bitSetCase(Options, "HasUniqueName", ClassOptions::HasUniqueName);
+    IO.bitSetCase(Options, "Sealed", ClassOptions::Sealed);
+    IO.bitSetCase(Options, "Intrinsic", ClassOptions::Intrinsic);
+  }
+};
+
+template <> struct ScalarBitSetTraits<MethodOptions> {
+  static void bitset(IO &IO, MethodOptions &Options) {
+    IO.bitSetCase(Options, "None", MethodOptions::None);
+    IO.bitSetCase(Options, "Pseudo", MethodOptions::Pseudo);
+    IO.bitSetCase(Options, "NoInherit", MethodOptions::NoInherit);
+    IO.bitSetCase(Options, "NoConstruct", MethodOptions::NoConstruct);
+    IO.bitSetCase(Options, "CompilerGenerated",
+                  MethodOptions::CompilerGenerated);
+    IO.bitSetCase(Options, "Sealed", MethodOptions::Sealed);
+  }
+};
+
+template <> struct ScalarTraits<APSInt> {
+  static void output(const APSInt &S, void *, llvm::raw_ostream &OS) {
+    S.print(OS, true);
+  }
+  static StringRef input(StringRef Scalar, void *Ctx, APSInt &S) {
+    S = APSInt(Scalar);
+    return "";
+  }
+
+  static bool mustQuote(StringRef Scalar) { return false; }
+};
+
+void MappingTraits<CVType>::mapping(IO &IO, CVType &Record) {
+  if (IO.outputting()) {
+    codeview::yaml::YamlTypeDumperCallbacks Callbacks(IO);
+    codeview::TypeDeserializer Deserializer(Callbacks);
+
+    codeview::CVTypeVisitor Visitor(Deserializer);
+    consumeError(Visitor.visitTypeRecord(Record));
+  }
+}
+
+void MappingTraits<FieldListRecord>::mapping(IO &IO,
+                                             FieldListRecord &FieldList) {
+  if (IO.outputting()) {
+    codeview::yaml::YamlTypeDumperCallbacks Callbacks(IO);
+    codeview::TypeDeserializer Deserializer(Callbacks);
+    codeview::CVTypeVisitor Visitor(Deserializer);
+    consumeError(Visitor.visitFieldListMemberStream(FieldList.Data));
+  }
+}
+
+void MappingTraits<StringIdRecord>::mapping(IO &IO, StringIdRecord &String) {
+  IO.mapRequired("Id", String.Id);
+  IO.mapRequired("String", String.String);
+}
+
+void MappingTraits<ArgListRecord>::mapping(IO &IO, ArgListRecord &Args) {
+  IO.mapRequired("ArgIndices", Args.StringIndices);
+}
+
+void MappingTraits<ClassRecord>::mapping(IO &IO, ClassRecord &Class) {
+  IO.mapRequired("MemberCount", Class.MemberCount);
+  IO.mapRequired("Options", Class.Options);
+  IO.mapRequired("FieldList", Class.FieldList);
+  IO.mapRequired("Name", Class.Name);
+  IO.mapRequired("UniqueName", Class.UniqueName);
+  IO.mapRequired("Hfa", Class.Hfa);
+  IO.mapRequired("WinRTKind", Class.WinRTKind);
+  IO.mapRequired("DerivationList", Class.DerivationList);
+  IO.mapRequired("VTableShape", Class.VTableShape);
+  IO.mapRequired("Size", Class.Size);
+}
+
+void MappingTraits<UnionRecord>::mapping(IO &IO, UnionRecord &Union) {
+  IO.mapRequired("MemberCount", Union.MemberCount);
+  IO.mapRequired("Options", Union.Options);
+  IO.mapRequired("FieldList", Union.FieldList);
+  IO.mapRequired("Name", Union.Name);
+  IO.mapRequired("UniqueName", Union.UniqueName);
+  IO.mapRequired("Hfa", Union.Hfa);
+  IO.mapRequired("Size", Union.Size);
+}
+
+void MappingTraits<EnumRecord>::mapping(IO &IO, EnumRecord &Enum) {
+  IO.mapRequired("NumEnumerators", Enum.MemberCount);
+  IO.mapRequired("Options", Enum.Options);
+  IO.mapRequired("FieldList", Enum.FieldList);
+  IO.mapRequired("Name", Enum.Name);
+  IO.mapRequired("UniqueName", Enum.UniqueName);
+  IO.mapRequired("UnderlyingType", Enum.UnderlyingType);
+}
+
+void MappingTraits<ArrayRecord>::mapping(IO &IO, ArrayRecord &AT) {
+  IO.mapRequired("ElementType", AT.ElementType);
+  IO.mapRequired("IndexType", AT.IndexType);
+  IO.mapRequired("Size", AT.Size);
+  IO.mapRequired("Name", AT.Name);
+}
+
+void MappingTraits<VFTableRecord>::mapping(IO &IO, VFTableRecord &VFT) {
+  IO.mapRequired("CompleteClass", VFT.CompleteClass);
+  IO.mapRequired("OverriddenVFTable", VFT.OverriddenVFTable);
+  IO.mapRequired("VFPtrOffset", VFT.VFPtrOffset);
+  IO.mapRequired("Name", VFT.Name);
+  IO.mapRequired("MethodNames", VFT.MethodNames);
+}
+
+void MappingTraits<MemberFuncIdRecord>::mapping(IO &IO,
+                                                MemberFuncIdRecord &Id) {
+  IO.mapRequired("ClassType", Id.ClassType);
+  IO.mapRequired("FunctionType", Id.FunctionType);
+  IO.mapRequired("Name", Id.Name);
+}
+
+void MappingTraits<ProcedureRecord>::mapping(IO &IO, ProcedureRecord &Proc) {
+  IO.mapRequired("ReturnType", Proc.ReturnType);
+  IO.mapRequired("CallConv", Proc.CallConv);
+  IO.mapRequired("Options", Proc.Options);
+  IO.mapRequired("ParameterCount", Proc.ParameterCount);
+  IO.mapRequired("ArgumentList", Proc.ArgumentList);
+}
+
+void MappingTraits<MemberFunctionRecord>::mapping(IO &IO,
+                                                  MemberFunctionRecord &MF) {
+  IO.mapRequired("ReturnType", MF.ReturnType);
+  IO.mapRequired("ClassType", MF.ClassType);
+  IO.mapRequired("ThisType", MF.ThisType);
+  IO.mapRequired("CallConv", MF.CallConv);
+  IO.mapRequired("Options", MF.Options);
+  IO.mapRequired("ParameterCount", MF.ParameterCount);
+  IO.mapRequired("ArgumentList", MF.ArgumentList);
+  IO.mapRequired("ThisPointerAdjustment", MF.ThisPointerAdjustment);
+}
+
+void MappingTraits<MethodOverloadListRecord>::mapping(
+    IO &IO, MethodOverloadListRecord &MethodList) {
+  IO.mapRequired("Methods", MethodList.Methods);
+}
+
+void MappingTraits<FuncIdRecord>::mapping(IO &IO, FuncIdRecord &Func) {
+  IO.mapRequired("ParentScope", Func.ParentScope);
+  IO.mapRequired("FunctionType", Func.FunctionType);
+  IO.mapRequired("Name", Func.Name);
+}
+
+void MappingTraits<TypeServer2Record>::mapping(IO &IO, TypeServer2Record &TS) {
+  IO.mapRequired("Guid", TS.Guid);
+  IO.mapRequired("Age", TS.Age);
+  IO.mapRequired("Name", TS.Name);
+}
+
+void MappingTraits<PointerRecord>::mapping(IO &IO, PointerRecord &Ptr) {
+  IO.mapRequired("ReferentType", Ptr.ReferentType);
+  IO.mapRequired("PtrKind", Ptr.PtrKind);
+  IO.mapRequired("Mode", Ptr.Mode);
+  IO.mapRequired("Options", Ptr.Options);
+  IO.mapRequired("Size", Ptr.Size);
+  IO.mapOptional("MemberInfo", Ptr.MemberInfo);
+}
+
+void MappingTraits<MemberPointerInfo>::mapping(IO &IO, MemberPointerInfo &MPI) {
+  IO.mapRequired("ContainingType", MPI.ContainingType);
+  IO.mapRequired("Representation", MPI.Representation);
+}
+
+void MappingTraits<ModifierRecord>::mapping(IO &IO, ModifierRecord &Mod) {
+  IO.mapRequired("ModifiedType", Mod.ModifiedType);
+  IO.mapRequired("Modifiers", Mod.Modifiers);
+}
+
+void MappingTraits<BitFieldRecord>::mapping(IO &IO, BitFieldRecord &BitField) {
+  IO.mapRequired("Type", BitField.Type);
+  IO.mapRequired("BitSize", BitField.BitSize);
+  IO.mapRequired("BitOffset", BitField.BitOffset);
+}
+
+void MappingTraits<VFTableShapeRecord>::mapping(IO &IO,
+                                                VFTableShapeRecord &Shape) {
+  IO.mapRequired("Slots", Shape.Slots);
+}
+
+void MappingTraits<UdtSourceLineRecord>::mapping(IO &IO,
+                                                 UdtSourceLineRecord &Line) {
+  IO.mapRequired("UDT", Line.UDT);
+  IO.mapRequired("SourceFile", Line.SourceFile);
+  IO.mapRequired("LineNumber", Line.LineNumber);
+}
+
+void MappingTraits<UdtModSourceLineRecord>::mapping(
+    IO &IO, UdtModSourceLineRecord &Line) {
+  IO.mapRequired("UDT", Line.UDT);
+  IO.mapRequired("SourceFile", Line.SourceFile);
+  IO.mapRequired("LineNumber", Line.LineNumber);
+  IO.mapRequired("Module", Line.Module);
+}
+
+void MappingTraits<BuildInfoRecord>::mapping(IO &IO, BuildInfoRecord &Args) {
+  IO.mapRequired("ArgIndices", Args.ArgIndices);
+}
+
+void MappingTraits<NestedTypeRecord>::mapping(IO &IO,
+                                              NestedTypeRecord &Nested) {
+  IO.mapRequired("Type", Nested.Type);
+  IO.mapRequired("Name", Nested.Name);
+}
+
+void MappingTraits<OneMethodRecord>::mapping(IO &IO, OneMethodRecord &Method) {
+  IO.mapRequired("Type", Method.Type);
+  IO.mapRequired("Kind", Method.Kind);
+  IO.mapRequired("Options", Method.Options);
+  IO.mapRequired("Access", Method.Access);
+  IO.mapRequired("VFTableOffset", Method.VFTableOffset);
+  IO.mapRequired("Name", Method.Name);
+}
+
+void MappingTraits<OverloadedMethodRecord>::mapping(
+    IO &IO, OverloadedMethodRecord &Method) {
+  IO.mapRequired("NumOverloads", Method.NumOverloads);
+  IO.mapRequired("MethodList", Method.MethodList);
+  IO.mapRequired("Name", Method.Name);
+}
+
+void MappingTraits<DataMemberRecord>::mapping(IO &IO, DataMemberRecord &Field) {
+  IO.mapRequired("Access", Field.Access);
+  IO.mapRequired("Type", Field.Type);
+  IO.mapRequired("FieldOffset", Field.FieldOffset);
+  IO.mapRequired("Name", Field.Name);
+}
+
+void MappingTraits<StaticDataMemberRecord>::mapping(
+    IO &IO, StaticDataMemberRecord &Field) {
+  IO.mapRequired("Access", Field.Access);
+  IO.mapRequired("Type", Field.Type);
+  IO.mapRequired("Name", Field.Name);
+}
+
+void MappingTraits<VFPtrRecord>::mapping(IO &IO, VFPtrRecord &VFTable) {
+  IO.mapRequired("Type", VFTable.Type);
+}
+
+void MappingTraits<EnumeratorRecord>::mapping(IO &IO, EnumeratorRecord &Enum) {
+  IO.mapRequired("Access", Enum.Access);
+  IO.mapRequired("Value", Enum.Value);
+  IO.mapRequired("Name", Enum.Name);
+}
+
+void MappingTraits<BaseClassRecord>::mapping(IO &IO, BaseClassRecord &Base) {
+  IO.mapRequired("Access", Base.Access);
+  IO.mapRequired("Type", Base.Type);
+  IO.mapRequired("Offset", Base.Offset);
+}
+
+void MappingTraits<VirtualBaseClassRecord>::mapping(
+    IO &IO, VirtualBaseClassRecord &Base) {
+  IO.mapRequired("Access", Base.Access);
+  IO.mapRequired("BaseType", Base.BaseType);
+  IO.mapRequired("VBPtrType", Base.VBPtrType);
+  IO.mapRequired("VBPtrOffset", Base.VBPtrOffset);
+  IO.mapRequired("VTableIndex", Base.VTableIndex);
+}
+
+void MappingTraits<ListContinuationRecord>::mapping(
+    IO &IO, ListContinuationRecord &Cont) {
+  IO.mapRequired("ContinuationIndex", Cont.ContinuationIndex);
+}
+
+template <> struct ScalarTraits<codeview::TypeIndex> {
+  static void output(const codeview::TypeIndex &S, void *,
+                     llvm::raw_ostream &OS) {
+    OS << S.getIndex();
+  }
+  static StringRef input(StringRef Scalar, void *Ctx, codeview::TypeIndex &S) {
+    uint32_t I;
+    StringRef Result = ScalarTraits<uint32_t>::input(Scalar, Ctx, I);
+    if (!Result.empty())
+      return Result;
+    S = TypeIndex(I);
+    return "";
+  }
+  static bool mustQuote(StringRef Scalar) { return false; }
+};
+
+void ScalarEnumerationTraits<TypeLeafKind>::enumeration(IO &io,
+                                                        TypeLeafKind &Value) {
+  auto TypeLeafNames = getTypeLeafNames();
+  for (const auto &E : TypeLeafNames)
+    io.enumCase(Value, E.Name.str().c_str(), E.Value);
+}
+}
+}
+
+Error llvm::codeview::yaml::YamlTypeDumperCallbacks::visitTypeBegin(
+    const CVRecord<TypeLeafKind> &CVR) {
+  TypeLeafKind K = CVR.Type;
+  YamlIO.mapRequired("Kind", K);
+  return Error::success();
+}
diff --git a/llvm/tools/llvm-pdbdump/CodeViewYaml.h b/llvm/tools/llvm-pdbdump/CodeViewYaml.h
new file mode 100644
index 00000000000..bacb55cef40
--- /dev/null
+++ b/llvm/tools/llvm-pdbdump/CodeViewYaml.h
@@ -0,0 +1,71 @@
+//===- PdbYAML.h ---------------------------------------------- *- C++ --*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVMPDBDUMP_CODEVIEWYAML_H
+#define LLVM_TOOLS_LLVMPDBDUMP_CODEVIEWYAML_H
+
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
+#include "llvm/Support/YAMLTraits.h"
+
+namespace llvm {
+namespace codeview {
+namespace yaml {
+class YamlTypeDumperCallbacks : public TypeVisitorCallbacks {
+public:
+  YamlTypeDumperCallbacks(llvm::yaml::IO &IO) : YamlIO(IO) {}
+
+  virtual Error visitTypeBegin(const CVRecord<TypeLeafKind> &Record) override;
+
+#define TYPE_RECORD(EnumName, EnumVal, Name)                                   \
+  Error visitKnownRecord(const CVRecord<TypeLeafKind> &CVR,                    \
+                         Name##Record &Record) override {                      \
+    YamlIO.mapRequired(#Name, Record);                                         \
+    return Error::success();                                                   \
+  }
+#define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
+  TYPE_RECORD(EnumName, EnumVal, Name)
+#define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
+#define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
+#include "llvm/DebugInfo/CodeView/TypeRecords.def"
+
+private:
+  llvm::yaml::IO &YamlIO;
+};
+}
+}
+}
+
+namespace llvm {
+namespace yaml {
+template <> struct MappingTraits<codeview::MemberPointerInfo> {
+  static void mapping(IO &IO, codeview::MemberPointerInfo &Obj);
+};
+
+template <> struct MappingTraits<codeview::CVType> {
+  static void mapping(IO &IO, codeview::CVType &Obj);
+};
+
+template <> struct ScalarEnumerationTraits<codeview::TypeLeafKind> {
+  static void enumeration(IO &io, codeview::TypeLeafKind &Value);
+};
+
+#define TYPE_RECORD(EnumName, EnumVal, Name)                                   \
+  template <> struct MappingTraits<codeview::Name##Record> {                   \
+    static void mapping(IO &IO, codeview::Name##Record &Obj);                  \
+  };
+#define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
+  TYPE_RECORD(EnumName, EnumVal, Name)
+#define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
+#define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
+#include "llvm/DebugInfo/CodeView/TypeRecords.def"
+}
+}
+
+#endif
diff --git a/llvm/tools/llvm-pdbdump/PdbYaml.cpp b/llvm/tools/llvm-pdbdump/PdbYaml.cpp
index 44609a8787b..187264acdbe 100644
--- a/llvm/tools/llvm-pdbdump/PdbYaml.cpp
+++ b/llvm/tools/llvm-pdbdump/PdbYaml.cpp
@@ -8,18 +8,29 @@
 //===----------------------------------------------------------------------===//
 
 #include "PdbYaml.h"
+#include "CodeViewYaml.h"
 
+#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
+#include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
 #include "llvm/DebugInfo/PDB/PDBExtras.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
 #include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
 
 using namespace llvm;
-using namespace llvm::msf;
-using namespace llvm::yaml;
 using namespace llvm::pdb;
 using namespace llvm::pdb::yaml;
+using namespace llvm::yaml;
+
+LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint32_t)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::StringRef)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::NamedStreamMapping)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbDbiModuleInfo)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbTpiRecord)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::StreamBlockList)
 
 namespace llvm {
 namespace yaml {
+
 template <> struct ScalarTraits<llvm::pdb::PDB_UniqueId> {
   static void output(const llvm::pdb::PDB_UniqueId &S, void *,
                      llvm::raw_ostream &OS) {
@@ -102,6 +113,16 @@ template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_ImplVer> {
     io.enumCase(Value, "VC140", llvm::pdb::PdbRaw_ImplVer::PdbImplVC140);
   }
 };
+
+template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_TpiVer> {
+  static void enumeration(IO &io, llvm::pdb::PdbRaw_TpiVer &Value) {
+    io.enumCase(Value, "VC40", llvm::pdb::PdbRaw_TpiVer::PdbTpiV40);
+    io.enumCase(Value, "VC41", llvm::pdb::PdbRaw_TpiVer::PdbTpiV41);
+    io.enumCase(Value, "VC50", llvm::pdb::PdbRaw_TpiVer::PdbTpiV50);
+    io.enumCase(Value, "VC70", llvm::pdb::PdbRaw_TpiVer::PdbTpiV70);
+    io.enumCase(Value, "VC80", llvm::pdb::PdbRaw_TpiVer::PdbTpiV80);
+  }
+};
 }
 }
 
@@ -111,6 +132,7 @@ void MappingTraits<PdbObject>::mapping(IO &IO, PdbObject &Obj) {
   IO.mapOptional("StreamMap", Obj.StreamMap);
   IO.mapOptional("PdbStream", Obj.PdbStream);
   IO.mapOptional("DbiStream", Obj.DbiStream);
+  IO.mapOptional("TpiStream", Obj.TpiStream);
 }
 
 void MappingTraits<MSFHeaders>::mapping(IO &IO, MSFHeaders &Obj) {
@@ -157,6 +179,12 @@ void MappingTraits<PdbDbiStream>::mapping(IO &IO, PdbDbiStream &Obj) {
   IO.mapOptional("Modules", Obj.ModInfos);
 }
 
+void MappingTraits<PdbTpiStream>::mapping(IO &IO,
+                                          pdb::yaml::PdbTpiStream &Obj) {
+  IO.mapRequired("Version", Obj.Version);
+  IO.mapRequired("Records", Obj.Records);
+}
+
 void MappingTraits<NamedStreamMapping>::mapping(IO &IO,
                                                 NamedStreamMapping &Obj) {
   IO.mapRequired("Name", Obj.StreamName);
@@ -168,3 +196,19 @@ void MappingTraits<PdbDbiModuleInfo>::mapping(IO &IO, PdbDbiModuleInfo &Obj) {
   IO.mapRequired("ObjFile", Obj.Obj);
   IO.mapOptional("SourceFiles", Obj.SourceFiles);
 }
+
+void MappingTraits<PdbTpiRecord>::mapping(IO &IO,
+                                          pdb::yaml::PdbTpiRecord &Obj) {
+  if (IO.outputting()) {
+    // If we're going from Pdb To Yaml, deserialize the Pdb record
+    codeview::yaml::YamlTypeDumperCallbacks Callbacks(IO);
+    codeview::TypeDeserializer Deserializer(Callbacks);
+
+    codeview::CVTypeVisitor Visitor(Deserializer);
+    consumeError(Visitor.visitTypeRecord(Obj.Record));
+  } else {
+    codeview::yaml::YamlTypeDumperCallbacks Callbacks(IO);
+    codeview::CVTypeVisitor Visitor(Callbacks);
+    consumeError(Visitor.visitTypeRecord(Obj.Record));
+  }
+}
diff --git a/llvm/tools/llvm-pdbdump/PdbYaml.h b/llvm/tools/llvm-pdbdump/PdbYaml.h
index 5dbc5686282..0da53034bf1 100644
--- a/llvm/tools/llvm-pdbdump/PdbYaml.h
+++ b/llvm/tools/llvm-pdbdump/PdbYaml.h
@@ -69,12 +69,23 @@ struct PdbDbiStream {
   std::vector<PdbDbiModuleInfo> ModInfos;
 };
 
+struct PdbTpiRecord {
+  std::vector<uint8_t> RecordData;
+  codeview::CVType Record;
+};
+
+struct PdbTpiStream {
+  PdbRaw_TpiVer Version;
+  std::vector<PdbTpiRecord> Records;
+};
+
 struct PdbObject {
   Optional<MSFHeaders> Headers;
   Optional<std::vector<uint32_t>> StreamSizes;
   Optional<std::vector<StreamBlockList>> StreamMap;
   Optional<PdbInfoStream> PdbStream;
   Optional<PdbDbiStream> DbiStream;
+  Optional<PdbTpiStream> TpiStream;
 };
 }
 }
@@ -107,6 +118,10 @@ template <> struct MappingTraits<pdb::yaml::PdbDbiStream> {
   static void mapping(IO &IO, pdb::yaml::PdbDbiStream &Obj);
 };
 
+template <> struct MappingTraits<pdb::yaml::PdbTpiStream> {
+  static void mapping(IO &IO, pdb::yaml::PdbTpiStream &Obj);
+};
+
 template <> struct MappingTraits<pdb::yaml::NamedStreamMapping> {
   static void mapping(IO &IO, pdb::yaml::NamedStreamMapping &Obj);
 };
@@ -114,13 +129,11 @@ template <> struct MappingTraits<pdb::yaml::NamedStreamMapping> {
 template <> struct MappingTraits<pdb::yaml::PdbDbiModuleInfo> {
   static void mapping(IO &IO, pdb::yaml::PdbDbiModuleInfo &Obj);
 };
+
+template <> struct MappingTraits<pdb::yaml::PdbTpiRecord> {
+  static void mapping(IO &IO, pdb::yaml::PdbTpiRecord &Obj);
+};
 }
 }
 
-LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint32_t)
-LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::StringRef)
-LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::NamedStreamMapping)
-LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbDbiModuleInfo)
-LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::StreamBlockList)
-
 #endif // LLVM_TOOLS_LLVMPDBDUMP_PDBYAML_H
diff --git a/llvm/tools/llvm-pdbdump/YAMLOutputStyle.cpp b/llvm/tools/llvm-pdbdump/YAMLOutputStyle.cpp
index ff3d5d1cfd9..1277b01df9e 100644
--- a/llvm/tools/llvm-pdbdump/YAMLOutputStyle.cpp
+++ b/llvm/tools/llvm-pdbdump/YAMLOutputStyle.cpp
@@ -16,6 +16,7 @@
 #include "llvm/DebugInfo/PDB/Raw/InfoStream.h"
 #include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
 #include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
+#include "llvm/DebugInfo/PDB/Raw/TpiStream.h"
 
 using namespace llvm;
 using namespace llvm::pdb;
@@ -45,6 +46,9 @@ Error YAMLOutputStyle::dump() {
   if (auto EC = dumpDbiStream())
     return EC;
 
+  if (auto EC = dumpTpiStream())
+    return EC;
+
   flush();
   return Error::success();
 }
@@ -150,6 +154,30 @@ Error YAMLOutputStyle::dumpDbiStream() {
   return Error::success();
 }
 
+Error YAMLOutputStyle::dumpTpiStream() {
+  if (!opts::pdb2yaml::TpiStream)
+    return Error::success();
+
+  auto TpiS = File.getPDBTpiStream();
+  if (!TpiS)
+    return TpiS.takeError();
+
+  auto &TS = TpiS.get();
+  Obj.TpiStream.emplace();
+  Obj.TpiStream->Version = TS.getTpiVersion();
+  for (auto &Record : TS.types(nullptr)) {
+    yaml::PdbTpiRecord R;
+    // It's not necessary to set R.RecordData here.  That only exists as a
+    // way to have the `PdbTpiRecord` structure own the memory that `R.Record`
+    // references.  In the case of reading an existing PDB though, that memory
+    // is owned by the backing stream.
+    R.Record = Record;
+    Obj.TpiStream->Records.push_back(R);
+  }
+
+  return Error::success();
+}
+
 void YAMLOutputStyle::flush() {
   Out << Obj;
   outs().flush();
diff --git a/llvm/tools/llvm-pdbdump/YAMLOutputStyle.h b/llvm/tools/llvm-pdbdump/YAMLOutputStyle.h
index d36dfec5f25..3204bdd9218 100644
--- a/llvm/tools/llvm-pdbdump/YAMLOutputStyle.h
+++ b/llvm/tools/llvm-pdbdump/YAMLOutputStyle.h
@@ -31,6 +31,7 @@ private:
   Error dumpStreamDirectory();
   Error dumpPDBStream();
   Error dumpDbiStream();
+  Error dumpTpiStream();
 
   void flush();
 
diff --git a/llvm/tools/llvm-pdbdump/llvm-pdbdump.cpp b/llvm/tools/llvm-pdbdump/llvm-pdbdump.cpp
index 27512f50084..902c5fcbd47 100644
--- a/llvm/tools/llvm-pdbdump/llvm-pdbdump.cpp
+++ b/llvm/tools/llvm-pdbdump/llvm-pdbdump.cpp
@@ -281,6 +281,10 @@ cl::opt<bool> DbiModuleSourceFileInfo(
         "Dump DBI Module Source File Information (implies -dbi-module-info"),
     cl::sub(PdbToYamlSubcommand), cl::init(false));
 
+cl::opt<bool> TpiStream("tpi-stream",
+                        cl::desc("Dump the TPI Stream (Stream 3)"),
+                        cl::sub(PdbToYamlSubcommand), cl::init(false));
+
 cl::list<std::string> InputFilename(cl::Positional,
                                     cl::desc("<input PDB file>"), cl::Required,
                                     cl::sub(PdbToYamlSubcommand));
@@ -537,8 +541,7 @@ int main(int argc_, const char *argv_[]) {
 
   cl::ParseCommandLineOptions(argv.size(), argv.data(), "LLVM PDB Dumper\n");
 
-  // These options are shared by two subcommands.
-  if ((opts::PdbToYamlSubcommand || opts::RawSubcommand) && opts::raw::RawAll) {
+  if (opts::RawSubcommand && opts::raw::RawAll) {
     opts::raw::DumpHeaders = true;
     opts::raw::DumpModules = true;
     opts::raw::DumpModuleFiles = true;
diff --git a/llvm/tools/llvm-pdbdump/llvm-pdbdump.h b/llvm/tools/llvm-pdbdump/llvm-pdbdump.h
index c3c4a4e5980..c4f021416e6 100644
--- a/llvm/tools/llvm-pdbdump/llvm-pdbdump.h
+++ b/llvm/tools/llvm-pdbdump/llvm-pdbdump.h
@@ -65,6 +65,7 @@ extern llvm::cl::opt<bool> PdbStream;
 extern llvm::cl::opt<bool> DbiStream;
 extern llvm::cl::opt<bool> DbiModuleInfo;
 extern llvm::cl::opt<bool> DbiModuleSourceFileInfo;
+extern llvm::cl::opt<bool> TpiStream;
 extern llvm::cl::list<std::string> InputFilename;
 }
 }