[vpr][route][crr] instantiate CRR vars before if block

Author: amin1377

vpr/src/route/rr_graph_generation/tileable_rr_graph/tileable_rr_graph_edge_builder.cpp

@@ -328,10 +328,10 @@ void build_rr_graph_regular_edges(const RRGraphView& rr_graph,
 
     // Building CRR Graph
     const crrgenerator::CRRConnectionBuilder* crr_connection_builder = nullptr;
+    crrgenerator::SwitchBlockManager sb_manager;
+    crrgenerator::NodeLookupManager node_lookup(rr_graph, grids.width(), grids.height());
     if (build_crr_edges) {
-        crrgenerator::SwitchBlockManager sb_manager;
         sb_manager.initialize(crr_opts.sb_maps, crr_opts.sb_templates, crr_opts.annotated_rr_graph);
-        crrgenerator::NodeLookupManager node_lookup(rr_graph, grids.width(), grids.height());
         node_lookup.initialize();
         crrgenerator::CRRGraphGenerator parser(crr_opts, rr_graph, node_lookup, sb_manager, "vpr_custom_rr_graph.xml");
         parser.run();