46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/* Support routines for Value Range Propagation (VRP).
|
|
Copyright (C) 2016-2023 Free Software Foundation, Inc.
|
|
|
|
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/>. */
|
|
|
|
#ifndef GCC_TREE_VRP_H
|
|
#define GCC_TREE_VRP_H
|
|
|
|
#include "value-range.h"
|
|
|
|
extern bool range_int_cst_p (const value_range *);
|
|
|
|
extern int compare_values (tree, tree);
|
|
extern int compare_values_warnv (tree, tree, bool *);
|
|
extern int operand_less_p (tree, tree);
|
|
|
|
void range_fold_unary_expr (value_range *, enum tree_code, tree type,
|
|
const value_range *, tree op0_type);
|
|
void range_fold_binary_expr (value_range *, enum tree_code, tree type,
|
|
const value_range *, const value_range *);
|
|
|
|
extern enum value_range_kind intersect_range_with_nonzero_bits
|
|
(enum value_range_kind, wide_int *, wide_int *, const wide_int &, signop);
|
|
|
|
extern bool find_case_label_range (gswitch *, tree, tree, size_t *, size_t *);
|
|
extern tree find_case_label_range (gswitch *, const irange *vr);
|
|
extern bool find_case_label_index (gswitch *, size_t, tree, size_t *);
|
|
extern bool overflow_comparison_p (tree_code, tree, tree, tree *);
|
|
extern void maybe_set_nonzero_bits (edge, tree);
|
|
|
|
#endif /* GCC_TREE_VRP_H */
|