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Yet another special case for iterators

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Cédric Pasteur 2011-06-07 10:49:36 +02:00
parent f0f67dacf4
commit f45e30d207
1 changed files with 11 additions and 3 deletions
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14
compiler/minils/analysis/interference.ml
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@ -420,11 +420,16 @@ let find_targeting f =
let process_eq ({ eq_lhs = pat; eq_rhs = e } as eq) =
(** Other cases*)
match pat, e.e_desc with
| _, Eiterator((Imap|Imapi), { a_op = Enode _ | Efun _ }, _, _, w_list, _) ->
| _, Eiterator((Imap|Imapi), { a_op = Enode _ | Efun _ }, _, pw_list, w_list, _) ->
let invars = InterfRead.ivars_of_extvalues w_list in
let pinvars = InterfRead.ivars_of_extvalues pw_list in
let outvars = IvarSet.elements (InterfRead.def eq) in
(* because of the encoding of the fold, the outputs are written before
the partially applied inputs are read so they must interfere *)
List.iter (fun inv -> List.iter (add_interference_link_from_ivar inv) outvars) pinvars;
(* affinities between inputs and outputs *)
List.iter (fun inv -> List.iter
(add_affinity_link_from_ivar inv) outvars) invars
(add_affinity_link_from_ivar inv) outvars) invars;
| Evarpat x, Eiterator((Ifold|Ifoldi), { a_op = Enode _ | Efun _ }, _, pw_list, w_list, _) ->
(* because of the encoding of the fold, the output is written before
the inputs are read so they must interfere *)
@ -442,10 +447,13 @@ let process_eq ({ eq_lhs = pat; eq_rhs = e } as eq) =
the inputs are read so they must interfere *)
List.iter (add_interference_link_from_ivar acc_out) invars;
List.iter (add_interference_link_from_ivar acc_out) pinvars;
(* because of the encoding of the fold, the outputs are written before
the partially applied inputs are read so they must interfere *)
List.iter (fun inv -> List.iter (add_interference_link_from_ivar inv) outvars) pinvars;
(* it also interferes with outputs. We add it here because it will not hold
if it is not used. *)
List.iter (add_interference_link_from_ivar acc_out) outvars;
(*affinity between inouts and outputs*)
(*affinity between inputs and outputs*)
List.iter (fun inv -> List.iter (add_affinity_link_from_ivar inv) outvars) invars
| Evarpat x, Efby(_, w) -> (* x = _ fby y *)
(match w.w_desc with