Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 136 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/pass_manager.h b/gcc-4.9/gcc/pass_manager.h
new file mode 100644
index 000000000..e1d81439a
--- /dev/null
+++ b/gcc-4.9/gcc/pass_manager.h
@@ -0,0 +1,136 @@
+/* pass_manager.h - The pipeline of optimization passes
+   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_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_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:
+  void *operator new (size_t sz);
+
+  pass_manager (context *ctxt);
+
+  void register_pass (struct register_pass_info *pass_info);
+  void register_one_dump_file (opt_pass *pass);
+
+  opt_pass *get_pass_for_id (int id) const;
+
+  void dump_passes () const;
+
+  void dump_profile_report () const;
+
+  void finish_optimization_passes ();
+
+  /* Access to specific passes, so that the majority can be private.  */
+  void execute_early_local_passes ();
+  unsigned int execute_pass_mode_switching ();
+
+  /* Various passes are manually cloned by epiphany. */
+  opt_pass *get_pass_split_all_insns () const {
+    return pass_split_all_insns_1;
+  }
+  opt_pass *get_pass_mode_switching () const {
+    return pass_mode_switching_1;
+  }
+  opt_pass *get_pass_peephole2 () const { return pass_peephole2_1; }
+  opt_pass *get_pass_profile () const { return pass_profile_1; }
+
+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_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 (opt_pass *pass, int properties);
+  void register_dump_files (opt_pass *pass, int properties);
+
+private:
+  context *m_ctxt;
+
+  /* References to all of the individual passes.
+     These fields are generated via macro expansion.
+
+     For example:
+         NEXT_PASS (pass_build_cfg, 1);
+     within pass-instances.def means that there is a field:
+         opt_pass *pass_build_cfg_1;
+
+     Similarly, the various:
+        NEXT_PASS (pass_copy_prop, 1);
+        ...
+        NEXT_PASS (pass_copy_prop, 8);
+     in pass-instances.def lead to fields:
+        opt_pass *pass_copy_prop_1;
+        ...
+        opt_pass *pass_copy_prop_8;  */
+
+#define INSERT_PASSES_AFTER(PASS)
+#define PUSH_INSERT_PASSES_WITHIN(PASS)
+#define POP_INSERT_PASSES()
+#define NEXT_PASS(PASS, NUM) opt_pass *PASS ## _ ## NUM
+#define TERMINATE_PASS_LIST()
+
+#include "pass-instances.def"
+
+#undef INSERT_PASSES_AFTER
+#undef PUSH_INSERT_PASSES_WITHIN
+#undef POP_INSERT_PASSES
+#undef NEXT_PASS
+#undef TERMINATE_PASS_LIST
+
+}; // class pass_manager
+
+} // namespace gcc
+
+#endif /* ! GCC_PASS_MANAGER_H */
+