gcc/fortran/dependency.h

   1 /* Header for dependency analysis
   2    Copyright (C) 2000-2022 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 *);