+ /*
+ * find values that are used by remats at end of block
+ * and insert them into live set
+ */
+ foreach_pre_remat(si, bb, irn) {
+ int n;
+
+ for (n=get_irn_arity(irn)-1; n>=0; --n) {
+ ir_node *remat_arg = get_irn_n(irn, n);
+
+ if(!has_reg_class(si, remat_arg)) continue;
+
+ /* if value is becoming live through use by remat */
+ if(!pset_find_ptr(live, remat_arg)) {
+ DBG((si->dbg, LEVEL_4, " value %+F becoming live through use by remat at end of block %+F\n", remat_arg, irn));
+
+ pset_insert_ptr(live, remat_arg);
+ }
+ }
+ }