Remove unused patterns.

llvm-svn: 28417
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index 3cf36a5..719d1e7 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -834,7 +834,8 @@
       }
     }
 
-    case X86ISD::CALL: {
+    case X86ISD::CALL:
+    case X86ISD::TAILCALL: {
       // Handle indirect call which folds a load here. This never matches by
       // the TableGen generated code since the load's chain result is read by
       // the callseq_start node.