tree-vrp.h

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/* Support routines for Value Range Propagation (VRP).
   Copyright (C) 2016-2026 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 int compare_values (tree, tree);
 
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 *);
 
#endif /* GCC_TREE_VRP_H */