1 /* Header for dependency analysis 2 Copyright (C) 2000-2020 Free Software Foundation, Inc. 3 Contributed by Paul Brook 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 /****************************** Enums *********************************/ 22 enum gfc_dep_check 23 { 24 NOT_ELEMENTAL, /* Not elemental case: normal dependency check. */ 25 ELEM_CHECK_VARIABLE, /* Test whether variables overlap. */ 26 ELEM_DONT_CHECK_VARIABLE /* Test whether variables overlap only if used 27 in an expression. */ 28 }; 29 30 /*********************** Functions prototypes **************************/ 31 32 bool gfc_ref_needs_temporary_p (gfc_ref *); 33 bool gfc_full_array_ref_p (gfc_ref *, bool *); 34 gfc_expr *gfc_get_noncopying_intrinsic_argument (gfc_expr *); 35 int gfc_check_fncall_dependency (gfc_expr *, sym_intent, gfc_symbol *, 36 gfc_actual_arglist *, gfc_dep_check); 37 int gfc_check_dependency (gfc_expr *, gfc_expr *, bool); 38 int gfc_expr_is_one (gfc_expr *, int); 39 40 int gfc_dep_resolver (gfc_ref *, gfc_ref *, gfc_reverse *, 41 bool identical = false); 42 int gfc_are_equivalenced_arrays (gfc_expr *, gfc_expr *); 43 44 gfc_expr * gfc_discard_nops (gfc_expr *); 45