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/FunctionAttrs/2008-09-13-VolatileRead.ll b/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll
index b6077fd..62d7d2e 100644
--- a/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll
+++ b/test/Transforms/FunctionAttrs/2008-09-13-VolatileRead.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -functionattrs | llvm-dis | not grep read
+; RUN: opt %s -functionattrs | llvm-dis | not grep read
 ; PR2792
 
 @g = global i32 0		; <i32*> [#uses=1]