I want to know if the files for this particular example are still provided somewhere. The link provided in a similar post does not work.
[Quartus Archive: LoanerIO_Demo - ver 1.0]
[Video Tutorial on how to implement Loaner IO]
First of all, thanks for reaching us.
Regarding your petition, please take a look at the following documentation and let me know any questions you may have.
For more complete information about compiler optimizations, see our Optimization Notice.