use the formalized function in FPGA-SDC to identify direct connection
@@ -244,8 +244,7 @@ void print_pnr_sdc_constrain_cb_mux_timing(std::fstream& fp,
* Note: this MUST BE reconsidered if we do have OPIN connected to IPINs
* through a programmable multiplexer!!!
*/
- if ( (1 == input_rr_nodes.size())
- && (OPIN == rr_graph.node_type(input_rr_nodes[0])) ) {
+ if (true == is_ipin_direct_connected_opin(rr_graph, output_rr_node)) {
return;
}
