(***********************************************************************) (* *) (* OCaml *) (* *) (* Xavier Leroy, projet Gallium, INRIA Rocquencourt *) (* *) (* Copyright 2014 Institut National de Recherche en Informatique et *) (* en Automatique. All rights reserved. This file is distributed *) (* under the terms of the Q Public License version 1.0. *) (* *) (***********************************************************************) (* Dead code elimination: remove pure instructions whose results are not used. *) val fundecl: Mach.fundecl -> Mach.fundecl