11debfc3dSmrg /* Header file for SSA jump threading. 2*8feb0f0bSmrg Copyright (C) 2013-2020 Free Software Foundation, Inc. 31debfc3dSmrg 41debfc3dSmrg This file is part of GCC. 51debfc3dSmrg 61debfc3dSmrg GCC is free software; you can redistribute it and/or modify it under 71debfc3dSmrg the terms of the GNU General Public License as published by the Free 81debfc3dSmrg Software Foundation; either version 3, or (at your option) any later 91debfc3dSmrg version. 101debfc3dSmrg 111debfc3dSmrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 121debfc3dSmrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 131debfc3dSmrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 141debfc3dSmrg for more details. 151debfc3dSmrg 161debfc3dSmrg You should have received a copy of the GNU General Public License 171debfc3dSmrg along with GCC; see the file COPYING3. If not see 181debfc3dSmrg <http://www.gnu.org/licenses/>. */ 191debfc3dSmrg 201debfc3dSmrg #ifndef GCC_TREE_SSA_THREADEDGE_H 211debfc3dSmrg #define GCC_TREE_SSA_THREADEDGE_H 221debfc3dSmrg 231debfc3dSmrg extern vec<tree> ssa_name_values; 241debfc3dSmrg #define SSA_NAME_VALUE(x) \ 251debfc3dSmrg (SSA_NAME_VERSION (x) < ssa_name_values.length () \ 261debfc3dSmrg ? ssa_name_values[SSA_NAME_VERSION (x)] \ 271debfc3dSmrg : NULL_TREE) 281debfc3dSmrg extern void set_ssa_name_value (tree, tree); 291debfc3dSmrg extern void threadedge_initialize_values (void); 301debfc3dSmrg extern void threadedge_finalize_values (void); 311debfc3dSmrg extern bool potentially_threadable_block (basic_block); 321debfc3dSmrg extern void propagate_threaded_block_debug_into (basic_block, basic_block); 33a2dc1f3fSmrg class evrp_range_analyzer; 341debfc3dSmrg extern void thread_outgoing_edges (basic_block, gcond *, 351debfc3dSmrg const_and_copies *, 361debfc3dSmrg avail_exprs_stack *, 37a2dc1f3fSmrg evrp_range_analyzer *, 381debfc3dSmrg tree (*) (gimple *, gimple *, 391debfc3dSmrg avail_exprs_stack *, basic_block)); 401debfc3dSmrg 411debfc3dSmrg #endif /* GCC_TREE_SSA_THREADEDGE_H */ 42