diff options
Diffstat (limited to 'gcc-4.9/gcc/tree-ssa-threadedge.h')
| -rw-r--r-- | gcc-4.9/gcc/tree-ssa-threadedge.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/tree-ssa-threadedge.h b/gcc-4.9/gcc/tree-ssa-threadedge.h new file mode 100644 index 000000000..f00560744 --- /dev/null +++ b/gcc-4.9/gcc/tree-ssa-threadedge.h @@ -0,0 +1,36 @@ +/* Header file for SSA jump threading. + Copyright (C) 2013-2014 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 (gimple, edge, bool, + vec<tree> *, tree (*) (gimple, gimple)); + +#endif /* GCC_TREE_SSA_THREADEDGE_H */ |