Added initial support for DEBUG_LABEL allowing debug specific labels to be
inserted in the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25104 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 853b48c..b067c12 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2005,6 +2005,7 @@
   // Debug info
   case ISD::LOCATION: return "location";
   case ISD::DEBUG_LOC: return "debug_loc";
+  case ISD::DEBUG_LABEL: return "debug_label";
 
   case ISD::CONDCODE:
     switch (cast<CondCodeSDNode>(this)->get()) {