make these tests a bit less fragile

llvm-svn: 121682
diff --git a/llvm/test/Transforms/SimplifyCFG/invoke_unwind.ll b/llvm/test/Transforms/SimplifyCFG/invoke_unwind.ll
index bbd779b..73faa95 100644
--- a/llvm/test/Transforms/SimplifyCFG/invoke_unwind.ll
+++ b/llvm/test/Transforms/SimplifyCFG/invoke_unwind.ll
@@ -9,10 +9,9 @@
 ; CHECK-NEXT: call void @bar()
 ; CHECK-NEXT: ret i32 0
         invoke void @bar( )
-                        to label %Ok unwind label %Rethrow
-Ok:             ; preds = %0
+                        to label %1 unwind label %Rethrow
         ret i32 0
-Rethrow:                ; preds = %0
+Rethrow:
         unwind
 }