Added source file/line correspondence for dwarf (PowerPC only at this point.)

llvm-svn: 24748
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 30ebeb2..2fe1b0d 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1961,6 +1961,7 @@
 
   // Debug info
   case ISD::LOCATION: return "location";
+  case ISD::DEBUG_LOC: return "debug_loc";
 
   case ISD::CONDCODE:
     switch (cast<CondCodeSDNode>(this)->get()) {