diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index a694033..2c92de8 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -502,6 +502,8 @@
 
   // cast away const; DIetc do not take const operands for some reason.
   DIVariable V(const_cast<MDNode*>(MI->getOperand(2).getMetadata()));
+  if (V.getContext().isSubprogram())
+    OS << DISubprogram(V.getContext().getNode()).getDisplayName() << ":";
   OS << V.getName() << " <- ";
 
   // Register or immediate value. Register 0 means undef.
diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
index 32d5cee..effc8ed 100644
--- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
+++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
@@ -345,6 +345,8 @@
   O << '\t' << MAI->getCommentString() << "DEBUG_VALUE: ";
   // cast away const; DIetc do not take const operands for some reason.
   DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata()));
+  if (V.getContext().isSubprogram())
+    O << DISubprogram(V.getContext().getNode()).getDisplayName() << ":";
   O << V.getName();
   O << " <- ";
   // Frame address.  Currently handles register +- offset only.