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/ArgumentPromotion/control-flow.ll b/test/Transforms/ArgumentPromotion/control-flow.ll
index 76e8fd9..cf1fd09 100644
--- a/test/Transforms/ArgumentPromotion/control-flow.ll
+++ b/test/Transforms/ArgumentPromotion/control-flow.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -argpromotion | llvm-dis | \
+; RUN: opt %s -argpromotion | llvm-dis | \
 ; RUN:    not grep {load i32\* null}
 
 define internal i32 @callee(i1 %C, i32* %P) {