2014-10-22 10:42:37 +02:00
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/* Gimple simplify definitions.
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2017-01-01 13:07:43 +01:00
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Copyright (C) 2011-2017 Free Software Foundation, Inc.
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2014-10-22 10:42:37 +02:00
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Contributed by Richard Guenther <rguenther@suse.de>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_GIMPLE_MATCH_H
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#define GCC_GIMPLE_MATCH_H
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/* Helper to transparently allow tree codes and builtin function codes
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exist in one storage entity. */
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class code_helper
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{
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public:
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code_helper () {}
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code_helper (tree_code code) : rep ((int) code) {}
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2015-11-17 19:47:44 +01:00
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code_helper (combined_fn fn) : rep (-(int) fn) {}
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2014-10-22 10:42:37 +02:00
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operator tree_code () const { return (tree_code) rep; }
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2015-11-17 19:47:44 +01:00
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operator combined_fn () const { return (combined_fn) -rep; }
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2014-10-22 10:42:37 +02:00
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bool is_tree_code () const { return rep > 0; }
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bool is_fn_code () const { return rep < 0; }
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int get_rep () const { return rep; }
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private:
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int rep;
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};
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2015-10-09 10:12:18 +02:00
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/* Return whether OPS[0] with CODE is a non-expression result and
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a gimple value. */
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inline bool
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gimple_simplified_result_is_gimple_val (code_helper code, tree *ops)
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{
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return (code.is_tree_code ()
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&& (TREE_CODE_LENGTH ((tree_code) code) == 0
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|| ((tree_code) code) == ADDR_EXPR)
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&& is_gimple_val (ops[0]));
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}
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2015-10-01 09:54:26 +02:00
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extern tree (*mprts_hook) (code_helper, tree, tree *);
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2015-09-20 02:52:59 +02:00
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bool gimple_simplify (gimple *, code_helper *, tree *, gimple_seq *,
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2015-04-21 14:52:43 +02:00
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tree (*)(tree), tree (*)(tree));
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2015-10-09 10:12:18 +02:00
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bool gimple_resimplify1 (gimple_seq *, code_helper *, tree, tree *,
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tree (*)(tree));
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bool gimple_resimplify2 (gimple_seq *, code_helper *, tree, tree *,
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tree (*)(tree));
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bool gimple_resimplify3 (gimple_seq *, code_helper *, tree, tree *,
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tree (*)(tree));
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2014-10-22 10:42:37 +02:00
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tree maybe_push_res_to_seq (code_helper, tree, tree *,
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gimple_seq *, tree res = NULL_TREE);
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2016-04-20 14:49:58 +02:00
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void maybe_build_generic_op (enum tree_code, tree, tree *);
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2014-10-22 10:42:37 +02:00
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#endif /* GCC_GIMPLE_MATCH_H */
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