gcc/gcc/tree-ssa-threadedge.h
Jakub Jelinek a554497024 Update copyright years.
From-SVN: r267494
2019-01-01 13:31:55 +01:00

42 lines
1.5 KiB
C++

/* 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 */