1 /* Header file for SSA jump threading. 2 Copyright (C) 2013-2019 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 GCC_TREE_SSA_THREADEDGE_H 21 #define GCC_TREE_SSA_THREADEDGE_H 22 23 extern vec<tree> ssa_name_values; 24 #define SSA_NAME_VALUE(x) \ 25 (SSA_NAME_VERSION (x) < ssa_name_values.length () \ 26 ? ssa_name_values[SSA_NAME_VERSION (x)] \ 27 : NULL_TREE) 28 extern void set_ssa_name_value (tree, tree); 29 extern void threadedge_initialize_values (void); 30 extern void threadedge_finalize_values (void); 31 extern bool potentially_threadable_block (basic_block); 32 extern void propagate_threaded_block_debug_into (basic_block, basic_block); 33 class evrp_range_analyzer; 34 extern void thread_outgoing_edges (basic_block, gcond *, 35 const_and_copies *, 36 avail_exprs_stack *, 37 evrp_range_analyzer *, 38 tree (*) (gimple *, gimple *, 39 avail_exprs_stack *, basic_block)); 40 41 #endif /* GCC_TREE_SSA_THREADEDGE_H */ 42