41 ira_loop_tree_node_t ira_loop_tree_root;  variable
202 	  && ira_loop_tree_root != &ira_loop_nodes[i])  in more_one_region_p()
364   ira_loop_tree_root = IRA_LOOP_NODE_BY_INDEX (0);  in form_loop_tree()
365   ira_loop_tree_height = setup_loop_tree_level (ira_loop_tree_root, 0);  in form_loop_tree()
366   ira_assert (ira_loop_tree_root->regno_allocno_map != NULL);  in form_loop_tree()
1962   else if (loop_node != ira_loop_tree_root)  in create_loop_tree_node_allocnos()
1986   if (loop_tree_node == ira_loop_tree_root)  in propagate_modified_regnos()
2059   ira_traverse_loop_tree (true, ira_loop_tree_root,  in create_allocnos()
2062     ira_traverse_loop_tree (false, ira_loop_tree_root, NULL,  in create_allocnos()
2526       if (a_node == ira_loop_tree_root || ALLOCNO_CAP_MEMBER (a) != NULL)  in remove_low_level_allocnos()
2529       if ((top_a = ira_loop_tree_root->regno_allocno_map[regno]) == NULL)  in remove_low_level_allocnos()
2531 	  ALLOCNO_LOOP_TREE_NODE (a) = ira_loop_tree_root;  in remove_low_level_allocnos()
2532 	  ira_loop_tree_root->regno_allocno_map[regno] = a;  in remove_low_level_allocnos()
2546       if (a_node == ira_loop_tree_root)  in remove_low_level_allocnos()
2558       if (ira_loop_tree_root->regno_allocno_map[regno] == a)  in remove_low_level_allocnos()
2602   remove_uneccesary_loop_nodes_from_loop_tree (ira_loop_tree_root);  in remove_unnecessary_regions()
2961       if (ALLOCNO_LOOP_TREE_NODE (a) == ira_loop_tree_root)  in create_caps()
3287 	  cp->loop_tree_node = ira_loop_tree_root;  in ira_flattening()
3315       ALLOCNO_LOOP_TREE_NODE (a) = ira_loop_tree_root;  in ira_flattening()
3336 	(ALLOCNO_LOOP_TREE_NODE (cp->first) == ira_loop_tree_root  in ira_flattening()
3337 	 && ALLOCNO_LOOP_TREE_NODE (cp->second) == ira_loop_tree_root);  in ira_flattening()
3364       if (loop_tree_node == ira_loop_tree_root)  in check_allocno_creation()