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diff --git a/gcc/pass_manager.h b/gcc/pass_manager.h
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+++ b/gcc/pass_manager.h
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+/* pass_manager.h - The pipeline of optimization passes
+   Copyright (C) 2013 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_PASS_MANAGER_H
+#define GCC_PASS_MANAGER_H
+
+class opt_pass;
+struct register_pass_info;
+
+/* Define a list of pass lists so that both passes.c and plugins can easily
+   find all the pass lists.  */
+#define GCC_PASS_LISTS \
+  DEF_PASS_LIST (all_lowering_passes) \
+  DEF_PASS_LIST (all_small_ipa_passes) \
+  DEF_PASS_LIST (all_regular_ipa_passes) \
+  DEF_PASS_LIST (all_lto_gen_passes) \
+  DEF_PASS_LIST (all_passes)
+
+#define DEF_PASS_LIST(LIST) PASS_LIST_NO_##LIST,
+enum pass_list
+{
+  GCC_PASS_LISTS
+  PASS_LIST_NUM
+};
+#undef DEF_PASS_LIST
+
+namespace gcc {
+
+class context;
+
+class pass_manager
+{
+public:
+  pass_manager(context *ctxt);
+
+  void register_pass (struct register_pass_info *pass_info);
+  void register_one_dump_file (struct opt_pass *pass);
+
+  opt_pass *get_pass_for_id (int id) const;
+
+  void dump_passes () const;
+
+  void dump_profile_report () const;
+
+public:
+  /* The root of the compilation pass tree, once constructed.  */
+  opt_pass *all_passes;
+  opt_pass *all_small_ipa_passes;
+  opt_pass *all_lowering_passes;
+  opt_pass *all_regular_ipa_passes;
+  opt_pass *all_lto_gen_passes;
+  opt_pass *all_late_ipa_passes;
+
+  /* A map from static pass id to optimization pass.  */
+  opt_pass **passes_by_id;
+  int passes_by_id_size;
+
+  opt_pass **pass_lists[PASS_LIST_NUM];
+
+private:
+  void set_pass_for_id (int id, opt_pass *pass);
+  int register_dump_files_1 (struct opt_pass *pass, int properties);
+  void register_dump_files (struct opt_pass *pass, int properties);
+
+private:
+  context *ctxt_;
+
+}; // class pass_manager
+
+} // namespace gcc
+
+#endif /* ! GCC_PASS_MANAGER_H */
+