There is many lpm like bustri I can't find
Check under "Symbol Tool" -> "Megafunctions" -> "Storage" for Block Diagram/Schematic File.
Refer the below screenshot,
But How can I use it by verilog？
let me know if this has helped to resolve your issue.
Thanks for the quick reply .It have resolved my issue.
For more complete information about compiler optimizations, see our Optimization Notice.