add function inlining step to transform_dag

Author: majosm

arraycontext/impl/pytato/__init__.py

@@ -745,6 +745,8 @@ def compile(self, f: Callable[..., Any]) -> Callable[..., Any]:
     def transform_dag(self, dag: pytato.DictOfNamedArrays
                       ) -> pytato.DictOfNamedArrays:
         import pytato as pt
+        dag = pt.tag_all_calls_to_be_inlined(dag)
+        dag = pt.inline_calls(dag)
         dag = pt.transform.materialize_with_mpms(dag)
         return dag