ir_node *cfgpred = get_Block_cfgpred_block(block, i);
ir_node *value;
if (is_Bad(cfgpred)) {
- value = new_r_Bad(irg);
+ value = new_r_Bad(irg, mode);
} else {
inc_irg_visited(irg);
return res;
/* We ran into a cycle. This may happen in unreachable loops. */
- if (irn_visited(block)) {
+ if (irn_visited_else_mark(block)) {
/* Since the loop is unreachable, return a Bad. */
- return new_r_Bad(irg);
+ return new_r_Bad(irg, mode);
}
- mark_irn_visited(block);
-
/* in a matured block we can immediately determine the phi arguments */
if (get_Block_matured(block)) {
int arity = get_irn_arity(block);
}
/* one predecessor just use its value */
} else if (arity == 1) {
- ir_node *cfgpred = get_Block_cfgpred_block(block, 0);
+ ir_node *cfgpred = get_Block_cfgpred(block, 0);
if (is_Bad(cfgpred)) {
- res = cfgpred;
+ res = new_r_Bad(irg, mode);
} else {
- res = get_r_value_internal(cfgpred, pos, mode);
+ ir_node *cfgpred_block = get_nodes_block(cfgpred);
+ res = get_r_value_internal(cfgpred_block, pos, mode);
}
/* multiple predecessors construct Phi */
} else {
res = new_ir_node(dbgi, irg, NULL, op_Block, mode_BB, -1, NULL);
set_Block_matured(res, 0);
- res->attr.block.is_dead = 0;
res->attr.block.irg.irg = irg;
res->attr.block.backedge = NULL;
res->attr.block.in_cg = NULL;
int n_preds;
int i;
- if (irn_visited(block))
+ if (irn_visited_else_mark(block))
return NULL;
- mark_irn_visited(block);
/* already have a defintion -> we can simply look at its mode */
value = block->attr.block.graph_arr[pos];