contrib/gcc/cfgcleanup.c

83 notice_new_block (basic_block bb)
85   if (!bb)
88   if (forwarder_block_p (bb))
89     bb->flags |= BB_FORWARDER_BLOCK;
95 update_forwarder_flag (basic_block bb)
97   if (forwarder_block_p (bb))
98     bb->flags |= BB_FORWARDER_BLOCK;
100     bb->flags &= ~BB_FORWARDER_BLOCK;
145      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
426      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
460 	 bb-reorder.c:partition_hot_cold_basic_blocks for complete
640      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
696      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
766      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
799 	 that should be cleaned up by bb-reorder instead.  */
839 	  basic_block bb;
843 	  bb = force_nonfallthru (b_fallthru_edge);
844 	  if (bb)
845 	    notice_new_block (bb);
1282 		     "Outcomes of branch in bb %i and %i differ too much (%i %i)\n",
1290     fprintf (dump_file, "Conditionals in bb %i and %i match.\n",
1418 			 "Outcomes of branch in bb %i and %i differ too much (%i %i)\n",
1426 	fprintf (dump_file, "Conditionals in bb %i and %i match.\n",
1492 			     "Tablejumps in bb %i and %i match.\n",
1595 block_has_preserve_label (basic_block bb)
1597   return (bb
1598           && block_label (bb)
1599           && LABEL_PRESERVE_P (block_label (bb)));
1625      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
1731 	fprintf (dump_file, "Splitting bb %i before %i insns\n",
1738 	     "Cross jumping from bb %i to bb %i; %i common insns\n",
1828 try_crossjump_bb (int mode, basic_block bb)
1837   if (EDGE_COUNT (bb->preds) < 2)
1843       && bb != EXIT_BLOCK_PTR
1844       && computed_jump_p (BB_END (bb)))
1855      bb-reorder.c:partition_hot_cold_basic_blocks for complete details.  */
1857   if (BB_PARTITION (EDGE_PRED (bb, 0)->src) !=
1858 					BB_PARTITION (EDGE_PRED (bb, 1)->src)
1859       || (EDGE_PRED (bb, 0)->flags & EDGE_CROSSING))
1868   if (EDGE_COUNT (bb->preds) > max)
1871   FOR_EACH_EDGE (e, ei, bb->preds)
1878   for (ix = 0, ev = bb; ix < EDGE_COUNT (ev->preds); )
1901 	      ev = bb;
1921       for (ix2 = 0, ev2 = bb; ix2 < EDGE_COUNT (ev2->preds); )
1950 	      ev2 = bb;
1969   basic_block bb, b, next;
1977   FOR_EACH_BB (bb)
1978     update_forwarder_flag (bb);
2206   basic_block bb;
2209   for (bb = ENTRY_BLOCK_PTR->next_bb; bb != EXIT_BLOCK_PTR; )
2211       if (single_succ_p (bb)
2212 	  && can_merge_blocks_p (bb, single_succ (bb)))
2215 	  merge_blocks (bb, single_succ (bb));
2220       bb = bb->next_bb;