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/* Gimple folding definitions.
Copyright (C) 2011-2017 Free Software Foundation, Inc.
Contributed by Richard Guenther <rguenther@suse.de>
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_GIMPLE_FOLD_H
#define GCC_GIMPLE_FOLD_H
extern tree canonicalize_constructor_val (tree, tree);
extern tree get_symbol_constant_value (tree);
extern bool get_range_strlen (tree, tree[2]);
extern tree get_maxval_strlen (tree, int);
extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
extern bool fold_stmt (gimple_stmt_iterator *);
extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree));
extern bool fold_stmt_inplace (gimple_stmt_iterator *);
extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
enum tree_code, tree, tree);
extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
enum tree_code, tree, tree);
extern bool optimize_atomic_compare_exchange_p (gimple *);
extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *);
extern bool arith_overflowed_p (enum tree_code, const_tree, const_tree,
const_tree);
extern tree no_follow_ssa_edges (tree);
extern tree follow_single_use_edges (tree);
extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree),
tree (*) (tree) = no_follow_ssa_edges);
extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree));
extern tree fold_ctor_reference (tree, tree, unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT, tree);
extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
extern tree fold_const_aggregate_ref (tree);
extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
bool *can_refer = NULL);
extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
unsigned HOST_WIDE_INT,
bool *can_refer = NULL);
extern tree gimple_fold_indirect_ref (tree);
extern bool arith_code_with_undefined_signed_overflow (tree_code);
extern gimple_seq rewrite_to_defined_overflow (gimple *);
/* gimple_build, functionally matching fold_buildN, outputs stmts
int the provided sequence, matching and simplifying them on-the-fly.
Supposed to replace force_gimple_operand (fold_buildN (...), ...). */
extern tree gimple_build (gimple_seq *, location_t,
enum tree_code, tree, tree);
inline tree
gimple_build (gimple_seq *seq,
enum tree_code code, tree type, tree op0)
{
return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
}
extern tree gimple_build (gimple_seq *, location_t,
enum tree_code, tree, tree, tree);
inline tree
gimple_build (gimple_seq *seq,
enum tree_code code, tree type, tree op0, tree op1)
{
return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
}
extern tree gimple_build (gimple_seq *, location_t,
enum tree_code, tree, tree, tree, tree);
inline tree
gimple_build (gimple_seq *seq,
enum tree_code code, tree type, tree op0, tree op1, tree op2)
{
return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
}
extern tree gimple_build (gimple_seq *, location_t,
enum built_in_function, tree, tree);
inline tree
gimple_build (gimple_seq *seq,
enum built_in_function fn, tree type, tree arg0)
{
return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
}
extern tree gimple_build (gimple_seq *, location_t,
enum built_in_function, tree, tree, tree);
inline tree
gimple_build (gimple_seq *seq,
enum built_in_function fn, tree type, tree arg0, tree arg1)
{
return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
}
extern tree gimple_build (gimple_seq *, location_t,
enum built_in_function, tree, tree, tree, tree);
inline tree
gimple_build (gimple_seq *seq,
enum built_in_function fn, tree type,
tree arg0, tree arg1, tree arg2)
{
return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
}
extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
inline tree
gimple_convert (gimple_seq *seq, tree type, tree op)
{
return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
}
extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree);
inline tree
gimple_convert_to_ptrofftype (gimple_seq *seq, tree op)
{
return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op);
}
extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0);
extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0);
/* In gimple-match.c. */
extern tree gimple_simplify (enum tree_code, tree, tree,
gimple_seq *, tree (*)(tree));
extern tree gimple_simplify (enum tree_code, tree, tree, tree,
gimple_seq *, tree (*)(tree));
extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
gimple_seq *, tree (*)(tree));
extern tree gimple_simplify (enum built_in_function, tree, tree,
gimple_seq *, tree (*)(tree));
extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
gimple_seq *, tree (*)(tree));
extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
gimple_seq *, tree (*)(tree));
#endif /* GCC_GIMPLE_FOLD_H */