- int i, max;
- for(i=0, max=get_irn_n_outs(irn); i<max; ++i) {
- ir_node *n = get_irn_out(irn, i);
- if (((is_Phi(n) && is_firm_be_mode(get_irn_mode(n))) ||
- is_Perm(get_arch_env(co), n)) && (irn == n || !nodes_interfere(co->chordal_env, irn, n)))
- return 1;
+ arch_env_t *aenv = co->chordal_env->main_env->arch_env;
+ const ir_edge_t *edge;
+
+ foreach_out_edge(irn, edge) {
+ ir_node *n = edge->src;
+ arch_register_req_t req;
+
+ arch_get_register_req(aenv, &req, n, -1);
+
+ if( ( (req.type == arch_register_req_type_should_be_same && req.other == irn) ||
+ is_Reg_Phi(n) ||
+ is_Perm(get_arch_env(co), n)
+ ) && (irn == n || !nodes_interfere(co->chordal_env, irn, n)))
+ return 1;