Retire defunct copy_ty in favour of trans_copy_ty, which invokes the same logic at the bottom.
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Graydon Hoare
parent
d0a1b6e914
commit
2d40bc669c
@ -1695,7 +1695,7 @@ let trans_visitor
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let dst = deref out_ptr in
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let ty_params = deref (get_element_ptr args 0) in
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let src = deref (get_element_ptr args 1) in
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copy_ty ty_params dst src ty curr_iso
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trans_copy_ty ty_params false dst ty src ty curr_iso
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in
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let ty_params_ptr = ty_params_covering ty in
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let fty =
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@ -2595,73 +2595,6 @@ let trans_visitor
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iter_ty_parts_full ty_params dst src ty
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(clone_ty ty_params clone_task) curr_iso
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and copy_ty
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(ty_params:Il.cell)
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(dst:Il.cell)
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(src:Il.cell)
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(ty:Ast.ty)
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(curr_iso:Ast.ty_iso option)
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: unit =
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iflog (fun _ ->
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annotate ("copy_ty: referent data of type " ^
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(Fmt.fmt_to_str Ast.fmt_ty ty)));
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match ty with
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Ast.TY_nil
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| Ast.TY_bool
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| Ast.TY_mach _
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| Ast.TY_int
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| Ast.TY_uint
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| Ast.TY_native _
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| Ast.TY_type
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| Ast.TY_char ->
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iflog
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(fun _ -> annotate
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(Printf.sprintf "copy_ty: simple mov (%Ld byte scalar)"
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(ty_sz abi ty)));
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mov dst (Il.Cell src)
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| Ast.TY_param (i, _) ->
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iflog
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(fun _ -> annotate
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(Printf.sprintf "copy_ty: parametric copy %#d" i));
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aliasing false src
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begin
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fun src ->
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let td = get_ty_param ty_params i in
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let ty_params_ptr = get_tydesc_params ty_params td in
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trans_call_dynamic_glue
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td Abi.tydesc_field_copy_glue
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(Some dst) [| ty_params_ptr; src; |]
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end
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| Ast.TY_fn _
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| Ast.TY_obj _ ->
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begin
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let src_item = get_element_ptr src Abi.binding_field_item in
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let dst_item = get_element_ptr dst Abi.binding_field_item in
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let src_binding = get_element_ptr src Abi.binding_field_binding in
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let dst_binding = get_element_ptr dst Abi.binding_field_binding in
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mov dst_item (Il.Cell src_item);
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let null_jmp = null_check src_binding in
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(* Copy if we have a src binding. *)
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(* FIXME (issue #58): this is completely wrong, call
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* through to the binding's self-copy fptr. For now
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* this only works by accident.
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*)
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trans_copy_ty ty_params true
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dst_binding (Ast.TY_box Ast.TY_int)
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src_binding (Ast.TY_box Ast.TY_int)
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curr_iso;
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patch null_jmp
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end
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| _ ->
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iter_ty_parts_full ty_params dst src ty
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(fun dst src ty curr_iso ->
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trans_copy_ty ty_params true
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dst ty src ty curr_iso)
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curr_iso
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and free_ty
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(is_gc:bool)
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(ty_params:Il.cell)
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@ -3004,10 +2937,66 @@ let trans_visitor
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annotate ("heavy copy: slot preparation"));
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let curr_iso = maybe_enter_iso dst_ty curr_iso in
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let (dst, dst_ty') = deref_ty DEREF_none initializing dst dst_ty in
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let (dst, ty) = deref_ty DEREF_none initializing dst dst_ty in
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let (src, _) = deref_ty DEREF_none false src src_ty in
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assert (dst_ty' = dst_ty);
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copy_ty ty_params dst src dst_ty' curr_iso
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assert (ty = dst_ty);
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match ty with
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Ast.TY_nil
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| Ast.TY_bool
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| Ast.TY_mach _
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| Ast.TY_int
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| Ast.TY_uint
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| Ast.TY_native _
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| Ast.TY_type
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| Ast.TY_char ->
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iflog
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(fun _ -> annotate
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(Printf.sprintf "copy_ty: simple mov (%Ld byte scalar)"
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(ty_sz abi ty)));
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mov dst (Il.Cell src)
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| Ast.TY_param (i, _) ->
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iflog
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(fun _ -> annotate
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(Printf.sprintf "copy_ty: parametric copy %#d" i));
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aliasing false src
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begin
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fun src ->
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let td = get_ty_param ty_params i in
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let ty_params_ptr = get_tydesc_params ty_params td in
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trans_call_dynamic_glue
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td Abi.tydesc_field_copy_glue
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(Some dst) [| ty_params_ptr; src; |]
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end
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| Ast.TY_fn _
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| Ast.TY_obj _ ->
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begin
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let src_item = get_element_ptr src Abi.binding_field_item in
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let dst_item = get_element_ptr dst Abi.binding_field_item in
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let src_binding = get_element_ptr src Abi.binding_field_binding in
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let dst_binding = get_element_ptr dst Abi.binding_field_binding in
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mov dst_item (Il.Cell src_item);
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let null_jmp = null_check src_binding in
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(* Copy if we have a src binding. *)
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(* FIXME (issue #58): this is completely wrong, call
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* through to the binding's self-copy fptr. For now
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* this only works by accident.
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*)
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trans_copy_ty ty_params false
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dst_binding (Ast.TY_box Ast.TY_int)
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src_binding (Ast.TY_box Ast.TY_int)
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curr_iso;
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patch null_jmp
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end
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| _ ->
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iter_ty_parts_full ty_params dst src ty
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(fun dst src ty curr_iso ->
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trans_copy_ty ty_params true
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dst ty src ty curr_iso)
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curr_iso
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and trans_copy
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(initializing:bool)
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