Unknow signal nodes are generated in .tqr file after adding the virtual IO mapping tcl commands

[sgannava]

Hi,

1. I have created a Quartus Pro project for my design using qPro_create_project.tcl script using quartus_sta executable.

2. I am using the virtual IO pin mapping related tcl commands in synthesis tcl script (qPro_synthesis.tcl). I use quartus_sh executable to run synthesis tcl script and the synthesis is happening fine.

3. Now I ran the mapping (qPro_mapping.tcl) script using quartus_sta executable, I can see some undefined signals nodes shown up in the preroute.tqr file. But I don't see any such signals defined in the my top_level vhd file as well.

4. But I don't see any of these random signal node generation in postroute.tqr after running the place and route (qPro_PAR.tcl) using quartus_sta executable

What are these randon signal nodes shown up in the preroute.tqr file

Any help would be appreciated.

I have attached the ZIP file which includes the tcl script and the design file that I am running to this thread.

FYI, I am using Intel Quartus Prim Pro 24.2 version

Thanks

Sai G

[sgannava]

These are the unwanted nodes I am referring to 

If timing analysis is done before place and route

If timing analysis is done after rplace and route, it is fine