Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/LoopUnswitch/basictest.ll b/test/Transforms/LoopUnswitch/basictest.ll
index eeaf08d..40fe7f84 100644
--- a/test/Transforms/LoopUnswitch/basictest.ll
+++ b/test/Transforms/LoopUnswitch/basictest.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -loop-unswitch -disable-output
+; RUN: opt %s -loop-unswitch -disable-output
 
 define i32 @test(i32* %A, i1 %C) {
 entry: