Exapnd br_jt into indirect branch. Provide pattern for indirect branches.

llvm-svn: 75983
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
index 87ea5c3..498aec8 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -62,6 +62,7 @@
 
   setOperationAction(ISD::RET,              MVT::Other, Custom);
 
+  setOperationAction(ISD::BR_JT,            MVT::Other, Expand);
   setOperationAction(ISD::BRCOND,           MVT::Other, Expand);
   setOperationAction(ISD::BR_CC,            MVT::i32, Custom);
   setOperationAction(ISD::BR_CC,            MVT::i64, Custom);