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