1*38fd1498Szrj /* Header file for SSA jump threading. 2*38fd1498Szrj Copyright (C) 2013-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 7*38fd1498Szrj the terms of the GNU General Public License as published by the Free 8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 9*38fd1498Szrj version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*38fd1498Szrj for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj #ifndef GCC_TREE_SSA_THREADEDGE_H 21*38fd1498Szrj #define GCC_TREE_SSA_THREADEDGE_H 22*38fd1498Szrj 23*38fd1498Szrj extern vec<tree> ssa_name_values; 24*38fd1498Szrj #define SSA_NAME_VALUE(x) \ 25*38fd1498Szrj (SSA_NAME_VERSION (x) < ssa_name_values.length () \ 26*38fd1498Szrj ? ssa_name_values[SSA_NAME_VERSION (x)] \ 27*38fd1498Szrj : NULL_TREE) 28*38fd1498Szrj extern void set_ssa_name_value (tree, tree); 29*38fd1498Szrj extern void threadedge_initialize_values (void); 30*38fd1498Szrj extern void threadedge_finalize_values (void); 31*38fd1498Szrj extern bool potentially_threadable_block (basic_block); 32*38fd1498Szrj extern void propagate_threaded_block_debug_into (basic_block, basic_block); 33*38fd1498Szrj class evrp_range_analyzer; 34*38fd1498Szrj extern void thread_outgoing_edges (basic_block, gcond *, 35*38fd1498Szrj const_and_copies *, 36*38fd1498Szrj avail_exprs_stack *, 37*38fd1498Szrj evrp_range_analyzer *, 38*38fd1498Szrj tree (*) (gimple *, gimple *, 39*38fd1498Szrj avail_exprs_stack *, basic_block)); 40*38fd1498Szrj 41*38fd1498Szrj #endif /* GCC_TREE_SSA_THREADEDGE_H */ 42