comparison gcc/tree-ssa-threadedge.h @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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15:561a7518be6b 16:04ced10e8804
1 /* Header file for SSA jump threading.
2 Copyright (C) 2013-2017 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
10
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
19
20 #ifndef GCC_TREE_SSA_THREADEDGE_H
21 #define GCC_TREE_SSA_THREADEDGE_H
22
23 extern vec<tree> ssa_name_values;
24 #define SSA_NAME_VALUE(x) \
25 (SSA_NAME_VERSION (x) < ssa_name_values.length () \
26 ? ssa_name_values[SSA_NAME_VERSION (x)] \
27 : NULL_TREE)
28 extern void set_ssa_name_value (tree, tree);
29 extern void threadedge_initialize_values (void);
30 extern void threadedge_finalize_values (void);
31 extern bool potentially_threadable_block (basic_block);
32 extern void propagate_threaded_block_debug_into (basic_block, basic_block);
33 extern void thread_outgoing_edges (basic_block, gcond *,
34 const_and_copies *,
35 avail_exprs_stack *,
36 tree (*) (gimple *, gimple *,
37 avail_exprs_stack *, basic_block));
38
39 #endif /* GCC_TREE_SSA_THREADEDGE_H */