simplif.mli

(**************************************************************************)
(*                                                                        *)
(*                                 OCaml                                  *)
(*                                                                        *)
(*             Xavier Leroy, projet Cristal, INRIA Rocquencourt           *)
(*                                                                        *)
(*   Copyright 1996 Institut National de Recherche en Informatique et     *)
(*     en Automatique.                                                    *)
(*                                                                        *)
(*   All rights reserved.  This file is distributed under the terms of    *)
(*   the GNU Lesser General Public License version 2.1, with the          *)
(*   special exception on linking described in the file LICENSE.          *)
(*                                                                        *)
(**************************************************************************)

(** Lambda simplification.

  {b Warning:} this module is unstable and part of
  {{!Compiler_libs}compiler-libs}.

*)

(* Elimination of useless Llet(Alias) bindings.
   Transformation of let-bound references into variables.
   Simplification over staticraise/staticcatch constructs.
   Generation of tail-call annotations if -annot is set. *)

open Lambda

val simplify_lambda: lambda -> lambda

val split_default_wrapper
   : id:Ident.t
  -> kind:function_kind
  -> params:(Ident.t * Lambda.value_kind) list
  -> return:Lambda.value_kind
  -> body:lambda
  -> attr:function_attribute
  -> loc:Location.t
  -> (Ident.t * lambda) list

(* To be filled by asmcomp/selectgen.ml *)
val is_tail_native_heuristic: (int -> bool) ref
                          (* # arguments -> can tailcall *)