| /* Header file for SSA jump threading. |
| Copyright (C) 2013-2015 Free Software Foundation, Inc. |
| |
| 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_TREE_SSA_THREADEDGE_H |
| #define GCC_TREE_SSA_THREADEDGE_H |
| |
| extern vec<tree> ssa_name_values; |
| #define SSA_NAME_VALUE(x) \ |
| (SSA_NAME_VERSION (x) < ssa_name_values.length () \ |
| ? ssa_name_values[SSA_NAME_VERSION (x)] \ |
| : NULL_TREE) |
| extern void set_ssa_name_value (tree, tree); |
| extern void threadedge_initialize_values (void); |
| extern void threadedge_finalize_values (void); |
| extern bool potentially_threadable_block (basic_block); |
| extern void propagate_threaded_block_debug_into (basic_block, basic_block); |
| extern void thread_across_edge (gcond *, edge, bool, |
| vec<tree> *, tree (*) (gimple, gimple)); |
| |
| #endif /* GCC_TREE_SSA_THREADEDGE_H */ |
