dist/gcc/cfganal.c

71   pre = XCNEWVEC (int, last_basic_block_for_fn (cfun));
72   post = XCNEWVEC (int, last_basic_block_for_fn (cfun));
75   auto_vec<edge_iterator, 20> stack (n_basic_blocks_for_fn (cfun) + 1);
78   auto_sbitmap visited (last_basic_block_for_fn (cfun));
84   stack.quick_push (ei_start (ENTRY_BLOCK_PTR_FOR_FN (cfun)->succs));
98       if (dest != EXIT_BLOCK_PTR_FOR_FN (cfun) && ! bitmap_bit_p (visited,
116 	  if (dest != EXIT_BLOCK_PTR_FOR_FN (cfun)
117 	      && src != ENTRY_BLOCK_PTR_FOR_FN (cfun)
123 	      && src != ENTRY_BLOCK_PTR_FOR_FN (cfun))
150   tos = worklist = XNEWVEC (basic_block, n_basic_blocks_for_fn (cfun));
154   FOR_EACH_BB_FN (bb, cfun)
161   FOR_EACH_EDGE (e, ei, ENTRY_BLOCK_PTR_FOR_FN (cfun)->succs)
198   FOR_EACH_BB_FN (bb, cfun)
229   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun),
230 		  EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
242   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun),
243 		  EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
270 	   n_basic_blocks_for_fn (cfun), elist->num_edges);
275       if (INDEX_EDGE_PRED_BB (elist, x) == ENTRY_BLOCK_PTR_FOR_FN (cfun))
280       if (INDEX_EDGE_SUCC_BB (elist, x) == EXIT_BLOCK_PTR_FOR_FN (cfun))
299   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun),
300 		  EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
325   FOR_BB_BETWEEN (p, ENTRY_BLOCK_PTR_FOR_FN (cfun),
326 		  EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
327     FOR_BB_BETWEEN (s, ENTRY_BLOCK_PTR_FOR_FN (cfun)->next_bb, NULL, next_bb)
364   if (bb == ENTRY_BLOCK_PTR_FOR_FN (cfun))
366   gcc_assert (bb != EXIT_BLOCK_PTR_FOR_FN (cfun));
383   gcc_assert (block != ENTRY_BLOCK_PTR_FOR_FN (cfun));
385   if (block == EXIT_BLOCK_PTR_FOR_FN (cfun))
386     return EXIT_BLOCK_PTR_FOR_FN (cfun);
391 	return EXIT_BLOCK_PTR_FOR_FN (cfun);
405   gcc_assert (get_edge_src (edge_index) != EXIT_BLOCK_PTR_FOR_FN (cfun));
414   if (get_edge_src (edge_index) == ENTRY_BLOCK_PTR_FOR_FN (cfun))
415     ending_block = single_succ (ENTRY_BLOCK_PTR_FOR_FN (cfun));
421        && current_block != EXIT_BLOCK_PTR_FOR_FN (cfun);
436   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun),
437 		  EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
442   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun),
443 		  EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
447   control_dependence_map.create (last_basic_block_for_fn (cfun));
448   for (int i = 0; i < last_basic_block_for_fn (cfun); ++i)
479   return BASIC_BLOCK_FOR_FN (cfun, m_el[i].first);
487   return BASIC_BLOCK_FOR_FN (cfun, m_el[i].second);
561   FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun)->next_bb, NULL, next_bb)
570   remove_fake_predecessors (EXIT_BLOCK_PTR_FOR_FN (cfun));
583   FOR_EACH_BB_FN (bb, cfun)
585       make_single_succ_edge (bb, EXIT_BLOCK_PTR_FOR_FN (cfun), EDGE_FAKE);
605   dfs.add_bb (EXIT_BLOCK_PTR_FOR_FN (cfun));
608   basic_block unvisited_block = EXIT_BLOCK_PTR_FOR_FN (cfun);
616       edge e = make_edge (deadend_block, EXIT_BLOCK_PTR_FOR_FN (cfun),
640   auto_vec<edge_iterator, 20> stack (n_basic_blocks_for_fn (cfun) + 1);
643   auto_sbitmap visited (last_basic_block_for_fn (cfun));
649   stack.quick_push (ei_start (ENTRY_BLOCK_PTR_FOR_FN (cfun)->succs));
662       if (dest != EXIT_BLOCK_PTR_FOR_FN (cfun)
678 	      && src != ENTRY_BLOCK_PTR_FOR_FN (cfun))
698   if (delete_unreachable && (count != n_basic_blocks_for_fn (cfun)))
702       for (b = ENTRY_BLOCK_PTR_FOR_FN (cfun)->next_bb; b
703 	   != EXIT_BLOCK_PTR_FOR_FN (cfun); b = next_bb)
805   post_order->reserve_exact (n_basic_blocks_for_fn (cfun));
811   auto_vec<edge_iterator, 20> stack (n_basic_blocks_for_fn (cfun) + 1);
814   auto_sbitmap visited (last_basic_block_for_fn (cfun));
821       FOR_ALL_BB_FN (bb, cfun)
828       if (EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (cfun)->preds))
830 	  stack.quick_push (ei_start (EXIT_BLOCK_PTR_FOR_FN (cfun)->preds));
831           bitmap_set_bit (visited, EXIT_BLOCK_PTR_FOR_FN (cfun)->index);
836   FOR_ALL_BB_FN (bb, cfun)
877 	      if (bb != EXIT_BLOCK_PTR_FOR_FN (cfun)
891       FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun),
892 		      EXIT_BLOCK_PTR_FOR_FN (cfun), next_bb)
925 	  basic_block be = dfs_find_deadend (ENTRY_BLOCK_PTR_FOR_FN (cfun));
1053     = pre_and_rev_post_order_compute_fn (cfun, pre_order, rev_post_order,
1057     gcc_assert (pre_order_num == n_basic_blocks_for_fn (cfun));
1062 		== (n_basic_blocks_for_fn (cfun) - NUM_FIXED_BLOCKS));
1487   m_stack (n_basic_blocks_for_fn (cfun)),
1488   m_visited_blocks (last_basic_block_for_fn (cfun))
1545   auto_bb_flag visited (cfun);
1620   FOR_EACH_BB_FN (b, cfun)
1628 	      if (runner == ENTRY_BLOCK_PTR_FOR_FN (cfun))
1687 			   < (unsigned) last_basic_block_for_fn (cfun));
1720       if (e->dest == EXIT_BLOCK_PTR_FOR_FN (cfun))
1736 	if (e->dest == EXIT_BLOCK_PTR_FOR_FN (cfun))
1759       if (e->src == ENTRY_BLOCK_PTR_FOR_FN (cfun))
1775 	if (e->src == ENTRY_BLOCK_PTR_FOR_FN (cfun))
1798       if (e->dest == EXIT_BLOCK_PTR_FOR_FN (cfun))
1814 	if (e->dest == EXIT_BLOCK_PTR_FOR_FN (cfun))
1837       if (e->src== ENTRY_BLOCK_PTR_FOR_FN (cfun))
1853 	if (e->src == ENTRY_BLOCK_PTR_FOR_FN (cfun))
1871   basic_block *order = XNEWVEC (basic_block, n_basic_blocks_for_fn (cfun));
1872   unsigned n = n_basic_blocks_for_fn (cfun) - NUM_FIXED_BLOCKS;
1874   auto_sbitmap visited (last_basic_block_for_fn (cfun));
1881   MARK_VISITED (ENTRY_BLOCK_PTR_FOR_FN (cfun));
1882   FOR_EACH_BB_FN (x, cfun)