Eliminate more redundant llvm-as calls.

llvm-svn: 81540
diff --git a/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll b/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll
index c987dae..61615d0 100644
--- a/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll
+++ b/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll
@@ -1,5 +1,5 @@
+; RUN: opt < %s -loop-unswitch -disable-output
 ; PR1333
-; RUN: llvm-as < %s |  opt -loop-unswitch -disable-output
 
 define void @pp_cxx_expression() {
 entry: