+ in[0] = new_r_Proj(cond, mode_X, pn_Cond_true);
+ ltblock = new_r_Block(irg, 1, in);
+
+ in[0] = new_r_Proj(cond, mode_X, pn_Cond_false);
+ geblock = new_r_Block(irg, 1, in);
+
+ create_if_cascade(info, ltblock, curcases, midcase);
+ create_if_cascade(info, geblock, curcases + midcase, numcases - midcase);
+ }
+}
+
+static void create_out_of_bounds_check(switch_info_t *info)
+{
+ ir_node *switchn = info->switchn;
+ ir_graph *irg = get_irn_irg(switchn);
+ dbg_info *dbgi = get_irn_dbg_info(switchn);
+ ir_node *selector = get_Switch_selector(switchn);
+ ir_node *block = get_nodes_block(switchn);
+ ir_mode *cmp_mode = get_irn_mode(selector);
+ ir_node **default_preds = NEW_ARR_F(ir_node*, 0);
+ ir_node *default_block = NULL;
+ ir_node *max_const;
+ ir_node *proj_true;
+ ir_node *proj_false;
+ ir_node *cmp;
+ ir_node *oob_cond;
+ ir_node *in[1];
+ ir_node *new_block;
+ int i;
+ ir_node *proj;
+ size_t n_default_preds;
+
+ assert(info->switch_min == 0);
+
+ /* check for out-of-bounds */
+ max_const = new_r_Const_long(irg, cmp_mode, info->switch_max);
+ cmp = new_rd_Cmp(dbgi, block, selector, max_const, ir_relation_less_equal);
+ oob_cond = new_rd_Cond(dbgi, block, cmp);
+ proj_true = new_r_Proj(oob_cond, mode_X, pn_Cond_true);
+ proj_false = new_r_Proj(oob_cond, mode_X, pn_Cond_false);
+
+ ARR_APP1(ir_node*, default_preds, proj_false);
+
+ /* create new block containing the switch */
+ in[0] = proj_true;
+ new_block = new_r_Block(irg, 1, in);
+ set_nodes_block(switchn, new_block);
+
+ /* adjust projs */
+ foreach_out_irn(switchn, i, proj) {
+ long pn = get_Proj_proj(proj);
+ if (pn == pn_Switch_default) {
+ assert(default_block == NULL);
+ default_block = get_irn_out(proj, 0);
+ ARR_APP1(ir_node*, default_preds, proj);
+ }
+ set_nodes_block(proj, new_block);
+ }
+
+ /* adapt default block */
+ n_default_preds = ARR_LEN(default_preds);
+ if (n_default_preds > 1) {
+ /* create new intermediate blocks so we don't have critical edges */
+ size_t p;
+ for (p = 0; p < n_default_preds; ++p) {
+ ir_node *pred = default_preds[p];
+ ir_node *split_block;
+ ir_node *block_in[1];