[Yosys+Odin]: declare the hardblock as used to print its model in the blif generation

Signed-off-by: Seyed Alireza Damghani <[email protected]>

Author: sdamghan

ODIN_II/SRC/BLIFReader.cpp

@@ -371,6 +371,11 @@ void BLIF::Reader::create_hard_block_nodes(hard_block_models* models) {
                     new_node->type = HARD_IP;
                     /* specify node name */
                     odin_sprintf(new_name, "\\%s~%ld", subcircuit_stripped_name, hard_block_number - 1);
+                    /* Declare the hard block as used for the blif generation */
+                    t_model* hb_model = find_hard_block(subcircuit_stripped_name);
+                    if (hb_model) {
+                        hb_model->used = 1;
+                    }
                 } else {
                     error_message(PARSE_BLIF, unknown_location,
                                   "Unsupported subcircuit type (%s) in BLIF file.\n", subcircuit_name);