Added const RRGraphView& rr_graph to report_overused_nodes() function as

an argument and removed the use of device_ctx within report_overused_nodes().

Signed-off-by: Ethan Rogers <[email protected]>

Author: ethanroj23

vpr/src/base/vpr_api.cpp

@@ -701,6 +701,8 @@ RouteStatus vpr_route_flow(t_vpr_setup& vpr_setup, const t_arch& arch) {
 
     const auto& router_opts = vpr_setup.RouterOpts;
     const auto& filename_opts = vpr_setup.FileNameOpts;
+    const auto& device_ctx = g_vpr_ctx.device();
+    const auto& rr_graph = device_ctx.rr_graph;
 
     if (router_opts.doRouting == STAGE_SKIP) {
         //Assume successful
@@ -762,7 +764,7 @@ RouteStatus vpr_route_flow(t_vpr_setup& vpr_setup, const t_arch& arch) {
             //Otherwise, remind the user of this possible report option
             if (router_opts.generate_rr_node_overuse_report) {
                 VTR_LOG("See report_overused_nodes.rpt for a detailed report on the RR node overuse information.\n");
-                report_overused_nodes();
+                report_overused_nodes(rr_graph);
             } else {
                 VTR_LOG("For a detailed report on the RR node overuse information (report_overused_nodes.rpt), specify --generate_rr_node_overuse_report on.\n");
             }

vpr/src/route/overuse_report.cpp

@@ -59,9 +59,7 @@ void log_overused_nodes_status(int max_logged_overused_rr_nodes) {
  * This report will be generated only if the last routing attempt fails, which
  * causes the whole VPR flow to fail.
  */
-void report_overused_nodes() {
-    const auto& device_ctx = g_vpr_ctx.device();
-    const auto& rr_graph = device_ctx.rr_graph;
+void report_overused_nodes(const RRGraphView& rr_graph) {
     const auto& route_ctx = g_vpr_ctx.routing();
 
     /* Generate overuse info lookup table */

vpr/src/route/overuse_report.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "rr_graph_storage.h"
+#include "rr_graph_view.h"
 #include <map>
 
 /**
@@ -21,7 +22,7 @@
 void log_overused_nodes_status(int max_logged_overused_rr_nodes);
 
 ///@brief Print out RR node overuse info in a post-VPR report file.
-void report_overused_nodes();
+void report_overused_nodes(const RRGraphView& rr_graph);
 
 ///@brief Generate a overused RR nodes to congested nets lookup table.
 void generate_overused_nodes_to_congested_net_lookup(std::map<RRNodeId, std::set<ClusterNetId>>& nodes_to_nets_lookup);