Merge pull request #1899 from RapidSilicon/api_validate

Add a new API validate() to RRGraphBuilder

Author: tangxifan

vpr/src/device/rr_graph_builder.h

@@ -154,6 +154,15 @@ class RRGraphBuilder {
         return node_storage_.count_rr_switches(num_arch_switches, arch_switch_inf, arch_switch_fanins);
     }
 
+    /** brief Validate that edge data is partitioned correctly
+     * @note This function is used to validate the correctness of the routing resource graph in terms
+     * of graph attributes. Strongly recommend to call it when you finish the building a routing resource
+     * graph. If you need more advance checks, which are related to architecture features, you should
+     * consider to use the check_rr_graph() function or build your own check_rr_graph() function. */
+    inline bool validate() const {
+        return node_storage_.validate();
+    }
+
     /** @brief Init per node fan-in data.  Should only be called after all edges have
      * been allocated.
      * @note
@@ -162,6 +171,7 @@ class RRGraphBuilder {
     inline void init_fan_in() {
         node_storage_.init_fan_in();
     }
+
     /* -- Internal data storage -- */
   private:
     /* TODO: When the refactoring effort finishes,