dist/gcc/cfgexpand.cc

2548   edge false_edge;
2625   extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
2630   false_edge->flags &= ~EDGE_FALSE_VALUE;
2634   if (false_edge->dest == bb->next_bb)
2641       false_edge->flags |= EDGE_FALLTHRU;
2642       maybe_cleanup_end_of_block (false_edge, last);
2647       jumpifnot_1 (code, op0, op1, label_rtx_for_bb (false_edge->dest),
2648 		   false_edge->probability);
2650       if (false_edge->goto_locus != UNKNOWN_LOCATION)
2651 	set_curr_insn_location (false_edge->goto_locus);
2660   if (false_edge->goto_locus != UNKNOWN_LOCATION)
2661     set_curr_insn_location (false_edge->goto_locus);
2662   emit_jump (label_rtx_for_bb (false_edge->dest));
2670   dest = false_edge->dest;
2671   redirect_edge_succ (false_edge, new_bb);
2672   false_edge->flags |= EDGE_FALLTHRU;
2673   new_bb->count = false_edge->count ();