Added a new SDNode type: BR_JT for jumptable branch.

llvm-svn: 31292
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 4b2f283..3d8441c 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2734,6 +2734,7 @@
     // Control flow instructions
   case ISD::BR:      return "br";
   case ISD::BRIND:   return "brind";
+  case ISD::BR_JT:   return "br_jt";
   case ISD::BRCOND:  return "brcond";
   case ISD::BR_CC:   return "br_cc";
   case ISD::RET:     return "ret";