| /* Gimple simplify 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_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 */ |