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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/tree-ssa-threadedge.h | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
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 */ |