From 1cd30fd994aa8825c10d073f0f1ae9c6ba358ae4 Mon Sep 17 00:00:00 2001
From: David Blaikie <dblaikie@gmail.com>
Date: Wed, 20 Mar 2013 05:14:14 +0000
Subject: [PATCH] Provide more details for DINameSpace debug info in the IR
 comment annotations

Sorry for the version skew - I should've committed this before the
corresponding Clang test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177486 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/DebugInfo.h |  2 ++
 lib/IR/DebugInfo.cpp     | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/llvm/DebugInfo.h b/include/llvm/DebugInfo.h
index 30ea378a6fa..103a9b2842c 100644
--- a/include/llvm/DebugInfo.h
+++ b/include/llvm/DebugInfo.h
@@ -640,6 +640,8 @@ namespace llvm {
 
   /// DINameSpace - A wrapper for a C++ style name space.
   class DINameSpace : public DIScope {
+    friend class DIDescriptor;
+    void printInternal(raw_ostream &OS) const;
   public:
     explicit DINameSpace(const MDNode *N = 0) : DIScope(N) {}
     DIScope getContext() const     { return getFieldAs<DIScope>(1);      }
diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index d1db3ab53af..dd7ba23bf1a 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -1033,6 +1033,8 @@ void DIDescriptor::print(raw_ostream &OS) const {
     DIVariable(DbgNode).printInternal(OS);
   } else if (this->isObjCProperty()) {
     DIObjCProperty(DbgNode).printInternal(OS);
+  } else if (this->isNameSpace()) {
+    DINameSpace(DbgNode).printInternal(OS);
   } else if (this->isScope()) {
     DIScope(DbgNode).printInternal(OS);
   }
@@ -1106,6 +1108,14 @@ void DICompositeType::printInternal(raw_ostream &OS) const {
   OS << " [" << A.getNumElements() << " elements]";
 }
 
+void DINameSpace::printInternal(raw_ostream &OS) const {
+  StringRef Name = getName();
+  if (!Name.empty())
+    OS << " [" << Name << ']';
+
+  OS << " [line " << getLineNumber() << ']';
+}
+
 void DISubprogram::printInternal(raw_ostream &OS) const {
   // TODO : Print context
   OS << " [line " << getLineNumber() << ']';