Revert "Add intrinsic calling convention." Isn't going to work.

This reverts commit 72c6c60d80.

src/boot/me/trans.ml

@@ -4525,12 +4525,10 @@ let trans_visitor
                              [| Asm.WORD (word_ty_mach, Asm.IMM 0L) |]))
   in
 
-  let trans_real_required_fn
-      (fnid:node_id)
-      (blockid:node_id) : unit =
-    let (ilib, conv) = Hashtbl.find cx.ctxt_required_items fnid in
+  let trans_required_fn (fnid:node_id) (blockid:node_id) : unit =
     trans_frame_entry fnid;
     emit (Il.Enter (Hashtbl.find cx.ctxt_block_fixups blockid));
+    let (ilib, conv) = Hashtbl.find cx.ctxt_required_items fnid in
     let lib_num =
       htab_search_or_add cx.ctxt_required_lib_num ilib
         (fun _ -> Hashtbl.length cx.ctxt_required_lib_num)
@@ -4657,12 +4655,6 @@ let trans_visitor
             "Trans.required_rust_fn on unexpected form of require library"
   in
 
-  let trans_required_fn (fnid:node_id) (blockid:node_id) : unit =
-    if fn_is_intrinsic cx fnid
-    then ()
-    else trans_real_required_fn fnid blockid
-  in
-
   let trans_tag
       (n:Ast.ident)
       (tagid:node_id)

src/boot/me/transutil.ml

@@ -225,28 +225,6 @@ let iter_rec_slots
     (Array.map snd entries) f curr_iso
 ;;
 
-let intrinsic_name (cx:ctxt) (fnid:node_id) : string =
-  match Hashtbl.find cx.ctxt_all_item_names fnid with
-      Ast.NAME_base (Ast.BASE_ident id) -> id
-    | Ast.NAME_base (Ast.BASE_app (id, _)) -> id
-    | Ast.NAME_ext (_, Ast.COMP_ident id) -> id
-    | Ast.NAME_ext (_, Ast.COMP_app (id, _)) -> id
-    | _ -> err (Some fnid) "unexpected name for intrinsic fn"
-;;
-
-let fn_is_intrinsic (cx:ctxt) (fnid:node_id) : bool =
-  let (_, conv) = Hashtbl.find cx.ctxt_required_items fnid in
-    conv = CONV_intrinsic
-;;
-
-let lval_is_intrinsic (cx:ctxt) (lval:Ast.lval) : bool =
-  let item = lval_item cx lval in
-    match item.node.Ast.decl_item with
-        Ast.MOD_ITEM_fn _
-          when Hashtbl.mem cx.ctxt_required_items item.id ->
-            fn_is_intrinsic cx item.id
-      | _ -> false
-;;
 
 
 

src/boot/util/common.ml

@@ -105,7 +105,6 @@ type ty_param_idx = int
 type nabi_conv =
     CONV_rust
   | CONV_cdecl
-  | CONV_intrinsic
 ;;
 
 type nabi = { nabi_indirect: bool;
@@ -116,7 +115,6 @@ let string_to_conv (a:string) : nabi_conv option =
   match a with
       "cdecl" -> Some CONV_cdecl
     | "rust" -> Some CONV_rust
-    | "intrinsic" -> Some CONV_intrinsic
     | _ -> None
 
 (* FIXME: remove this when native items go away. *)