diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index bd81314..c8cb60f 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -22,6 +22,7 @@
 #include "llvm/Module.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/Dwarf.h"
 #include "llvm/Support/DebugLoc.h"
 #include "llvm/Support/raw_ostream.h"
@@ -475,16 +476,16 @@
 
 /// dump - Print descriptor.
 void DIDescriptor::dump() const {
-  errs() << "[" << dwarf::TagString(getTag()) << "] ";
-  errs().write_hex((intptr_t) &*DbgNode) << ']';
+  dbgs() << "[" << dwarf::TagString(getTag()) << "] ";
+  dbgs().write_hex((intptr_t) &*DbgNode) << ']';
 }
 
 /// dump - Print compile unit.
 void DICompileUnit::dump() const {
   if (getLanguage())
-    errs() << " [" << dwarf::LanguageString(getLanguage()) << "] ";
+    dbgs() << " [" << dwarf::LanguageString(getLanguage()) << "] ";
 
-  errs() << " [" << getDirectory() << "/" << getFilename() << " ]";
+  dbgs() << " [" << getDirectory() << "/" << getFilename() << " ]";
 }
 
 /// dump - Print type.
@@ -493,14 +494,14 @@
 
   StringRef Res = getName();
   if (!Res.empty())
-    errs() << " [" << Res << "] ";
+    dbgs() << " [" << Res << "] ";
 
   unsigned Tag = getTag();
-  errs() << " [" << dwarf::TagString(Tag) << "] ";
+  dbgs() << " [" << dwarf::TagString(Tag) << "] ";
 
   // TODO : Print context
   getCompileUnit().dump();
-  errs() << " ["
+  dbgs() << " ["
          << getLineNumber() << ", "
          << getSizeInBits() << ", "
          << getAlignInBits() << ", "
@@ -508,12 +509,12 @@
          << "] ";
 
   if (isPrivate())
-    errs() << " [private] ";
+    dbgs() << " [private] ";
   else if (isProtected())
-    errs() << " [protected] ";
+    dbgs() << " [protected] ";
 
   if (isForwardDecl())
-    errs() << " [fwd] ";
+    dbgs() << " [fwd] ";
 
   if (isBasicType())
     DIBasicType(DbgNode).dump();
@@ -522,21 +523,21 @@
   else if (isCompositeType())
     DICompositeType(DbgNode).dump();
   else {
-    errs() << "Invalid DIType\n";
+    dbgs() << "Invalid DIType\n";
     return;
   }
 
-  errs() << "\n";
+  dbgs() << "\n";
 }
 
 /// dump - Print basic type.
 void DIBasicType::dump() const {
-  errs() << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
+  dbgs() << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
 }
 
 /// dump - Print derived type.
 void DIDerivedType::dump() const {
-  errs() << "\n\t Derived From: "; getTypeDerivedFrom().dump();
+  dbgs() << "\n\t Derived From: "; getTypeDerivedFrom().dump();
 }
 
 /// dump - Print composite type.
@@ -544,73 +545,73 @@
   DIArray A = getTypeArray();
   if (A.isNull())
     return;
-  errs() << " [" << A.getNumElements() << " elements]";
+  dbgs() << " [" << A.getNumElements() << " elements]";
 }
 
 /// dump - Print global.
 void DIGlobal::dump() const {
   StringRef Res = getName();
   if (!Res.empty())
-    errs() << " [" << Res << "] ";
+    dbgs() << " [" << Res << "] ";
 
   unsigned Tag = getTag();
-  errs() << " [" << dwarf::TagString(Tag) << "] ";
+  dbgs() << " [" << dwarf::TagString(Tag) << "] ";
 
   // TODO : Print context
   getCompileUnit().dump();
-  errs() << " [" << getLineNumber() << "] ";
+  dbgs() << " [" << getLineNumber() << "] ";
 
   if (isLocalToUnit())
-    errs() << " [local] ";
+    dbgs() << " [local] ";
 
   if (isDefinition())
-    errs() << " [def] ";
+    dbgs() << " [def] ";
 
   if (isGlobalVariable())
     DIGlobalVariable(DbgNode).dump();
 
-  errs() << "\n";
+  dbgs() << "\n";
 }
 
 /// dump - Print subprogram.
 void DISubprogram::dump() const {
   StringRef Res = getName();
   if (!Res.empty())
-    errs() << " [" << Res << "] ";
+    dbgs() << " [" << Res << "] ";
 
   unsigned Tag = getTag();
-  errs() << " [" << dwarf::TagString(Tag) << "] ";
+  dbgs() << " [" << dwarf::TagString(Tag) << "] ";
 
   // TODO : Print context
   getCompileUnit().dump();
-  errs() << " [" << getLineNumber() << "] ";
+  dbgs() << " [" << getLineNumber() << "] ";
 
   if (isLocalToUnit())
-    errs() << " [local] ";
+    dbgs() << " [local] ";
 
   if (isDefinition())
-    errs() << " [def] ";
+    dbgs() << " [def] ";
 
-  errs() << "\n";
+  dbgs() << "\n";
 }
 
 /// dump - Print global variable.
 void DIGlobalVariable::dump() const {
-  errs() << " [";
+  dbgs() << " [";
   getGlobal()->dump();
-  errs() << "] ";
+  dbgs() << "] ";
 }
 
 /// dump - Print variable.
 void DIVariable::dump() const {
   StringRef Res = getName();
   if (!Res.empty())
-    errs() << " [" << Res << "] ";
+    dbgs() << " [" << Res << "] ";
 
   getCompileUnit().dump();
-  errs() << " [" << getLineNumber() << "] ";
+  dbgs() << " [" << getLineNumber() << "] ";
   getType().dump();
-  errs() << "\n";
+  dbgs() << "\n";
 
   // FIXME: Dump complex addresses
 }