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- /* Gimple simplify definitions.
- Copyright (C) 2011-2018 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_MATCH_H
- #define GCC_GIMPLE_MATCH_H
- /* Helper to transparently allow tree codes and builtin function codes
- exist in one storage entity. */
- class code_helper
- {
- public:
- code_helper () {}
- code_helper (tree_code code) : rep ((int) code) {}
- code_helper (combined_fn fn) : rep (-(int) fn) {}
- operator tree_code () const { return (tree_code) rep; }
- operator combined_fn () const { return (combined_fn) -rep; }
- bool is_tree_code () const { return rep > 0; }
- bool is_fn_code () const { return rep < 0; }
- int get_rep () const { return rep; }
- private:
- int rep;
- };
- /* Return whether OPS[0] with CODE is a non-expression result and
- a gimple value. */
- inline bool
- gimple_simplified_result_is_gimple_val (code_helper code, tree *ops)
- {
- return (code.is_tree_code ()
- && (TREE_CODE_LENGTH ((tree_code) code) == 0
- || ((tree_code) code) == ADDR_EXPR)
- && is_gimple_val (ops[0]));
- }
- extern tree (*mprts_hook) (code_helper, tree, tree *);
- bool gimple_simplify (gimple *, code_helper *, tree *, gimple_seq *,
- tree (*)(tree), tree (*)(tree));
- bool gimple_resimplify1 (gimple_seq *, code_helper *, tree, tree *,
- tree (*)(tree));
- bool gimple_resimplify2 (gimple_seq *, code_helper *, tree, tree *,
- tree (*)(tree));
- bool gimple_resimplify3 (gimple_seq *, code_helper *, tree, tree *,
- tree (*)(tree));
- tree maybe_push_res_to_seq (code_helper, tree, tree *,
- gimple_seq *, tree res = NULL_TREE);
- void maybe_build_generic_op (enum tree_code, tree, tree *);
- #endif /* GCC_GIMPLE_MATCH_H */
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