ir_node *ka = get_End_keepalive(end, i);
if (!irn_visited(ka)) {
- if (is_Block(ka) && !Block_block_visited(ka)) {
- /* irg_block_walk() will increase the block visited flag, but we must visit only
- these blocks that are not visited yet, so decrease it first. */
- set_irg_block_visited(irg, get_irg_block_visited(irg) - 1);
- irg_block_walk(ka, optimize_blocks, remove_simple_blocks, &env.changed);
- mark_irn_visited(ka);
- in[j++] = ka;
+ if (is_Block(ka)) {
+ if (!Block_block_visited(ka)) {
+ /* irg_block_walk() will increase the block visited flag, but we must visit only
+ these blocks that are not visited yet, so decrease it first. */
+ set_irg_block_visited(irg, get_irg_block_visited(irg) - 1);
+ irg_block_walk(ka, optimize_blocks, remove_simple_blocks, &env.changed);
+ mark_irn_visited(ka);
+ in[j++] = ka;
+ }
} else {
mark_irn_visited(ka);
/* don't keep alive dead blocks */
- if (! is_Block_dead(get_nodes_block(ka)))
+ if (!is_Bad(ka) && !is_Block_dead(get_nodes_block(ka)))
in[j++] = ka;
}
}