--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/tree-cfg.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,125 @@
+/* Data and Control Flow Analysis for Trees.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
+   Contributed by Diego Novillo <dnovillo@redhat.com>
+
+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 _TREE_CFG_H
+#define _TREE_CFG_H
+
+/* Location to track pending stmt for edge insertion.  */
+#define PENDING_STMT(e)	((e)->insns.g)
+
+/* Garbage collection and PCH support for edge_def.  */
+extern void gt_ggc_mx (edge_def *e);
+extern void gt_pch_nx (edge_def *e);
+extern void gt_pch_nx (edge_def *e, gt_pointer_operator, void *);
+
+extern void init_empty_tree_cfg_for_function (struct function *);
+extern void init_empty_tree_cfg (void);
+extern void start_recording_case_labels (void);
+extern void end_recording_case_labels (void);
+extern basic_block label_to_block_fn (struct function *, tree);
+#define label_to_block(t) (label_to_block_fn (cfun, t))
+extern void cleanup_dead_labels (void);
+extern bool group_case_labels_stmt (gswitch *);
+extern bool group_case_labels (void);
+extern void replace_uses_by (tree, tree);
+extern basic_block single_noncomplex_succ (basic_block bb);
+extern void notice_special_calls (gcall *);
+extern void clear_special_calls (void);
+extern edge find_taken_edge (basic_block, tree);
+extern void gimple_debug_bb (basic_block);
+extern basic_block gimple_debug_bb_n (int);
+extern void gimple_debug_cfg (int);
+extern void gimple_dump_cfg (FILE *, dump_flags_t);
+extern void dump_cfg_stats (FILE *);
+extern void debug_cfg_stats (void);
+extern bool computed_goto_p (gimple *);
+extern bool stmt_can_make_abnormal_goto (gimple *);
+extern basic_block get_abnormal_succ_dispatcher (basic_block);
+extern bool is_ctrl_stmt (gimple *);
+extern bool is_ctrl_altering_stmt (gimple *);
+extern bool simple_goto_p (gimple *);
+extern bool stmt_ends_bb_p (gimple *);
+extern bool gimple_seq_unreachable_p (gimple_seq);
+extern bool assert_unreachable_fallthru_edge_p (edge);
+extern void delete_tree_cfg_annotations (function *);
+extern gphi *get_virtual_phi (basic_block);
+extern gimple *first_stmt (basic_block);
+extern gimple *last_stmt (basic_block);
+extern gimple *last_and_only_stmt (basic_block);
+extern void verify_gimple_in_seq (gimple_seq);
+extern void verify_gimple_in_cfg (struct function *, bool);
+extern tree gimple_block_label (basic_block);
+extern void add_phi_args_after_copy_bb (basic_block);
+extern void add_phi_args_after_copy (basic_block *, unsigned, edge);
+extern basic_block split_edge_bb_loc (edge);
+extern bool gimple_duplicate_sese_region (edge, edge, basic_block *, unsigned,
+					basic_block *, bool);
+extern bool gimple_duplicate_sese_tail (edge, edge, basic_block *, unsigned,
+				      basic_block *);
+extern void gather_blocks_in_sese_region (basic_block entry, basic_block exit,
+					  vec<basic_block> *bbs_p);
+extern void verify_sese (basic_block, basic_block, vec<basic_block> *);
+extern bool gather_ssa_name_hash_map_from (tree const &, tree const &, void *);
+extern basic_block move_sese_region_to_fn (struct function *, basic_block,
+				           basic_block, tree);
+extern void dump_function_to_file (tree, FILE *, dump_flags_t);
+extern void debug_function (tree, int) ;
+extern void print_loops_bb (FILE *, basic_block, int, int);
+extern void print_loops (FILE *, int);
+extern void debug (struct loop &ref);
+extern void debug (struct loop *ptr);
+extern void debug_verbose (struct loop &ref);
+extern void debug_verbose (struct loop *ptr);
+extern void debug_loops (int);
+extern void debug_loop (struct loop *, int);
+extern void debug_loop_num (unsigned, int);
+extern void remove_edge_and_dominated_blocks (edge);
+extern bool gimple_purge_dead_eh_edges (basic_block);
+extern bool gimple_purge_all_dead_eh_edges (const_bitmap);
+extern bool gimple_purge_dead_abnormal_call_edges (basic_block);
+extern bool gimple_purge_all_dead_abnormal_call_edges (const_bitmap);
+extern tree gimplify_build3 (gimple_stmt_iterator *, enum tree_code,
+			     tree, tree, tree, tree);
+extern tree gimplify_build2 (gimple_stmt_iterator *, enum tree_code,
+			     tree, tree, tree);
+extern tree gimplify_build1 (gimple_stmt_iterator *, enum tree_code,
+			     tree, tree);
+extern void extract_true_false_edges_from_block (basic_block, edge *, edge *);
+extern unsigned int execute_fixup_cfg (void);
+extern unsigned int split_critical_edges (void);
+extern basic_block insert_cond_bb (basic_block, gimple *, gimple *,
+				   profile_probability);
+extern bool gimple_find_sub_bbs (gimple_seq, gimple_stmt_iterator *);
+extern bool extract_true_false_controlled_edges (basic_block, basic_block,
+						 edge *, edge *);
+extern void generate_range_test (basic_block bb, tree index, tree low,
+				 tree high, tree *lhs, tree *rhs);
+
+/* Return true if the LHS of a call should be removed.  */
+
+inline bool
+should_remove_lhs_p (tree lhs)
+{
+  return (lhs
+	  && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST
+	  && !TREE_ADDRESSABLE (TREE_TYPE (lhs)));
+}
+
+#endif /* _TREE_CFG_H  */