add chanz to is_inter_cluster_node

Author: soheilshahrouz

libs/librrgraph/src/base/rr_graph_utils.cpp

@@ -21,9 +21,9 @@ static void rr_walk_cluster_recursive(const RRGraphView& rr_graph,
 
 static void rr_walk_cluster_recursive(const RRGraphView& rr_graph,
                                       const vtr::vector<RRNodeId, std::vector<RREdgeId>>& fanins,
-                                   std::unordered_set<RRNodeId>& sink_ipins,
-                                   const RRNodeId curr,
-                                   const RRNodeId origin) {
+                                      std::unordered_set<RRNodeId>& sink_ipins,
+                                      const RRNodeId curr,
+                                      const RRNodeId origin) {
     // Make sure SINK in the same cluster as origin
     int curr_x = rr_graph.node_xlow(curr);
     int curr_y = rr_graph.node_ylow(curr);

vpr/src/util/vpr_utils.cpp

@@ -1645,7 +1645,7 @@ std::vector<const t_pb_graph_node*> get_all_pb_graph_node_primitives(const t_pb_
 bool is_inter_cluster_node(const RRGraphView& rr_graph_view,
                            RRNodeId node_id) {
     auto node_type = rr_graph_view.node_type(node_id);
-    if (node_type == e_rr_type::CHANX || node_type == e_rr_type::CHANY) {
+    if (node_type == e_rr_type::CHANX || node_type == e_rr_type::CHANY || node_type == e_rr_type::CHANZ) {
         return true;
     } else {
         int x_low = rr_graph_view.node_xlow(node_id);