return 0;
else if (is_Jmp(pred))
return 1;
+ else if (is_Raise(pred)) {
+ /* Raise is a tuple and usually has only one reachable ProjX,
+ * but it must not be eliminated like a Jmp */
+ return 0;
+ }
else if (get_irn_mode(pred) == mode_T) {
/* if the predecessor block has more than one
reachable outputs we cannot remove the block */
}
}
- /* the EndBlock is always reachable even if the analysis
- finds out the opposite :-) */
- if (block != get_irg_end_block(current_ir_graph)) {
- /* mark dead blocks */
- //set_Block_dead(block);
- //ir_graph *irg = get_irn_irg(block);
- //exchange(block, get_irg_bad(irg));
- DB((dbg, LEVEL_1, "Removing dead %+F\n", block));
- } else {
- /* the endblock is unreachable */
+ if (block == get_irg_end_block(current_ir_graph)) {
+ /* Analysis found out that the end block is unreachable,
+ * hence we remove all its control flow predecessors. */
set_irn_in(block, 0, NULL);
}
return;
/* control flow might changed */
set_irg_extblk_inconsistent(irg);
set_irg_doms_inconsistent(irg);
- set_irg_loopinfo_inconsistent(irg);
set_irg_entity_usage_state(irg, ir_entity_usage_not_computed);
}