ir_graph *irg = be_get_birg_irg(birg);
int n_regs;
- /* some special classes contain only ignore regs, nothing to do then */
n_regs = cls->n_regs - be_put_ignore_regs(birg, cls, NULL);
- if(n_regs == 0)
- return;
-
be_liveness_assure_sets(be_assure_liveness(birg));
/* construct control flow loop tree */