DB((dbg, LEVEL_2, "Replacing input %d of node %+F with %+F\n", pos, user, right));
env->num_eq += 1;
- } else if (block_dominates(blk, cond_block)) {
- if (is_Const(right) && get_irn_pinned(user) == op_pin_state_floats) {
- /*
- * left == Const and we found a movable user of left in a
- * dominator of the Cond block
- */
- const ir_edge_t *edge, *next;
- for (edge = get_irn_out_edge_first(user); edge; edge = next) {
- ir_node *usr_of_usr = get_edge_src_irn(edge);
- int npos = get_edge_src_pos(edge);
- ir_node *blk = get_effective_use_block(usr_of_usr, npos);
-
- next = get_irn_out_edge_next(user, edge);
- if (block_dominates(block, blk)) {
- /*
- * The user of the user is dominated by our true/false
- * block. So, create a copy of user WITH the constant
- * replacing it's pos'th input.
- *
- * This is always good for unop's and might be good
- * for binops.
- *
- * If user has other user in the false/true block, code
- * placement will move it down.
- * If there are users in cond block or upper, we create
- * "redundant ops", because one will have a const op,
- * the other no const ...
- */
- ir_node *new_op = exact_copy(user);
- set_nodes_block(new_op, block);
- set_irn_n(new_op, pos, right);
- set_irn_n(usr_of_usr, npos, new_op);
- }
+ } else if (block_dominates(blk, cond_block)
+ && is_Const(right)
+ && get_irn_pinned(user) == op_pin_state_floats) {
+ /*
+ * left == Const and we found a movable user of left in a
+ * dominator of the Cond block
+ */
+ const ir_edge_t *edge, *next;
+ for (edge = get_irn_out_edge_first(user); edge; edge = next) {
+ ir_node *usr_of_usr = get_edge_src_irn(edge);
+ int npos = get_edge_src_pos(edge);
+ ir_node *blk = get_effective_use_block(usr_of_usr, npos);
+
+ next = get_irn_out_edge_next(user, edge);
+ if (block_dominates(block, blk)) {
+ /*
+ * The user of the user is dominated by our true/false
+ * block. So, create a copy of user WITH the constant
+ * replacing it's pos'th input.
+ *
+ * This is always good for unop's and might be good
+ * for binops.
+ *
+ * If user has other user in the false/true block, code
+ * placement will move it down.
+ * If there are users in cond block or upper, we create
+ * "redundant ops", because one will have a const op,
+ * the other no const ...
+ */
+ ir_node *new_op = exact_copy(user);
+ set_nodes_block(new_op, block);
+ set_irn_n(new_op, pos, right);
+ set_irn_n(usr_of_usr, npos, new_op);
+ env->num_eq += 1;
}
}
}
env_t env;
int edges_active = edges_activated(irg);
-
FIRM_DBG_REGISTER(dbg, "firm.ana.confirm");
remove_critical_cf_edges(irg);