1 /* Search for references that a functions loads or stores. 2 Copyright (C) 2019-2021 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #ifndef IPA_MODREF_H 21 #define IPA_MODREF_H 22 23 typedef modref_tree <alias_set_type> modref_records; 24 25 /* Single function summary. */ 26 27 struct GTY(()) modref_summary 28 { 29 /* Load and stores in function (transitively closed to all callees) */ 30 modref_records *loads; 31 modref_records *stores; 32 auto_vec<unsigned char> GTY((skip)) arg_flags; 33 bool writes_errno; 34 35 modref_summary (); 36 ~modref_summary (); 37 void dump (FILE *); 38 bool useful_p (int ecf_flags, bool check_flags = true); 39 }; 40 41 modref_summary *get_modref_function_summary (cgraph_node *func); 42 void ipa_modref_c_finalize (); 43 void ipa_merge_modref_summary_after_inlining (cgraph_edge *e); 44 45 #endif 46