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- /* Header file for SSA jump threading.
- Copyright (C) 2013-2019 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);
- class evrp_range_analyzer;
- extern void thread_outgoing_edges (basic_block, gcond *,
- const_and_copies *,
- avail_exprs_stack *,
- evrp_range_analyzer *,
- tree (*) (gimple *, gimple *,
- avail_exprs_stack *, basic_block));
- #endif /* GCC_TREE_SSA_THREADEDGE_H */
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