Index: tools/llvm-pdbdump/YAMLOutputStyle.cpp
===================================================================
--- tools/llvm-pdbdump/YAMLOutputStyle.cpp
+++ tools/llvm-pdbdump/YAMLOutputStyle.cpp
@@ -39,6 +39,20 @@
 }
 
 Error YAMLOutputStyle::dump() {
+  if (opts::pdb2yaml::All) {
+    opts::pdb2yaml::StreamMetadata = true;
+    opts::pdb2yaml::StreamDirectory = true;
+    opts::pdb2yaml::PdbStream = true;
+    opts::pdb2yaml::StringTable = true;
+    opts::pdb2yaml::DbiStream = true;
+    opts::pdb2yaml::DbiModuleInfo = true;
+    opts::pdb2yaml::DbiModuleSyms = true;
+    opts::pdb2yaml::DbiModuleSourceFileInfo = true;
+    opts::pdb2yaml::DbiModuleSourceLineInfo = true;
+    opts::pdb2yaml::TpiStream = true;
+    opts::pdb2yaml::IpiStream = true;
+  }
+
   if (opts::pdb2yaml::StreamDirectory)
     opts::pdb2yaml::StreamMetadata = true;
   if (opts::pdb2yaml::DbiModuleSyms)
Index: tools/llvm-pdbdump/llvm-pdbdump.h
===================================================================
--- tools/llvm-pdbdump/llvm-pdbdump.h
+++ tools/llvm-pdbdump/llvm-pdbdump.h
@@ -115,6 +115,7 @@
 }
 
 namespace pdb2yaml {
+extern llvm::cl::opt<bool> All;
 extern llvm::cl::opt<bool> NoFileHeaders;
 extern llvm::cl::opt<bool> Minimal;
 extern llvm::cl::opt<bool> StreamMetadata;
Index: tools/llvm-pdbdump/llvm-pdbdump.cpp
===================================================================
--- tools/llvm-pdbdump/llvm-pdbdump.cpp
+++ tools/llvm-pdbdump/llvm-pdbdump.cpp
@@ -378,6 +378,9 @@
 }
 
 namespace pdb2yaml {
+cl::opt<bool> All("all",
+                  cl::desc("Dump everything we know how to dump."),
+                  cl::sub(PdbToYamlSubcommand), cl::init(false));
 cl::opt<bool>
     NoFileHeaders("no-file-headers",
                   cl::desc("Do not dump MSF file headers (you will not be able "