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/* Header for dependency analysis
Copyright (C) 2000-2024 Free Software Foundation, Inc.
Contributed by Paul Brook
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/****************************** Enums *********************************/
enum gfc_dep_check
{
NOT_ELEMENTAL, /* Not elemental case: normal dependency check. */
ELEM_CHECK_VARIABLE, /* Test whether variables overlap. */
ELEM_DONT_CHECK_VARIABLE /* Test whether variables overlap only if used
in an expression. */
};
/*********************** Functions prototypes **************************/
bool gfc_ref_needs_temporary_p (gfc_ref *);
bool gfc_full_array_ref_p (gfc_ref *, bool *);
gfc_expr *gfc_get_noncopying_intrinsic_argument (gfc_expr *);
bool gfc_check_fncall_dependency (gfc_expr *, sym_intent, gfc_symbol *,
gfc_actual_arglist *, gfc_dep_check);
int gfc_check_dependency (gfc_expr *, gfc_expr *, bool);
int gfc_expr_is_one (gfc_expr *, int);
bool gfc_dep_resolver (gfc_ref *, gfc_ref *, gfc_reverse *,
bool identical = false);
bool gfc_are_equivalenced_arrays (gfc_expr *, gfc_expr *);
bool gfc_omp_expr_prefix_same (gfc_expr *, gfc_expr *);
gfc_expr * gfc_discard_nops (gfc_expr *);
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