created edge_sink_node

Author: umariqbal-rs

vpr/src/device/rr_graph_view.h

@@ -254,6 +254,13 @@ class RRGraphView {
     inline short edge_switch(RRNodeId id, t_edge_size iedge) const {
         return node_storage_.edge_switch(id, iedge);
     }
+    /* Get the destination node for the iedge'th edge from specified RRNodeId.
+     * //
+     * // This method should generally not be used, and instead first_edge and
+     * // last_edge should be used.*/
+    inline RRNodeId edge_sink_node(RRNodeId id, t_edge_size iedge) const {
+        return node_storage_.edge_sink_node(id, iedge);
+    }
 
     /** @brief The ptc_num carries different meanings for different node types 
      * (true in VPR RRG that is currently supported, may not be true in customized RRG) 

vpr/src/route/route_tree_timing.cpp

@@ -421,8 +421,7 @@ static t_rt_node* add_non_configurable_to_route_tree(const int rr_node, const bo
         for (int iedge : device_ctx.rr_nodes[rr_node].non_configurable_edges()) {
             //Recursive case: expand children
             VTR_ASSERT(!device_ctx.rr_nodes[rr_node].edge_is_configurable(iedge));
-
-            int to_rr_node = device_ctx.rr_nodes[rr_node].edge_sink_node(iedge);
+            int to_rr_node = size_t(rr_graph.edge_sink_node(RRNodeId(rr_node), iedge));
 
             //Recurse
             t_rt_node* child_rt_node = add_non_configurable_to_route_tree(to_rr_node, true, visited);