Eliminate more uses of llvm-as and llvm-dis.

llvm-svn: 81293
diff --git a/llvm/test/CodeGen/ARM/ret0.ll b/llvm/test/CodeGen/ARM/ret0.ll
index 792b169..5c312eb 100644
--- a/llvm/test/CodeGen/ARM/ret0.ll
+++ b/llvm/test/CodeGen/ARM/ret0.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -march=arm
+; RUN: llc < %s -march=arm
 
 define i32 @test() {
         ret i32 0