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+/* Header file for SSA dominator optimizations.
+ Copyright (C) 2013-2015 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_SCOPED_TABLES_H
+#define GCC_TREE_SSA_SCOPED_TABLES_H
+
+class const_and_copies
+{
+ public:
+ const_and_copies (FILE *, int);
+ ~const_and_copies (void) { stack.release (); }
+ void push_marker (void) { stack.safe_push (NULL_TREE); }
+ void pop_to_marker (void);
+ void record_const_or_copy (tree, tree);
+ void record_const_or_copy (tree, tree, tree);
+ void invalidate (tree);
+
+ private:
+ vec<tree> stack;
+ FILE *dump_file;
+ int dump_flags;
+};
+
+#endif /* GCC_TREE_SSA_SCOPED_TABLES_H */