error: Unexpected use of HDL library function(s) (possibly due to taking the address of the function)! - error: Unexpected use of HDL library function(s) (possibly due to taking the address of the function)! Description You may see this error message when the Intel® FPGA SDK for OpenCL™ compiler executes an EFI(Extensible Firmware Interface) function which is equivalent to its OpenCL funtion Resolution This problem is fixed beginning with the Intel FPGA SDK for OpenCL compiler software version 18.1. Custom Fields values: ['novalue'] Troubleshooting FB: 540594; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 18.1 17.1 ['Arria® V FPGAs and SoCs', 'Cyclone® V FPGAs and SoCs', 'Arria® 10 FPGAs and SoCs', 'Stratix® 10 FPGAs and SoCs', 'Stratix® V FPGAs'] ['HLD Tools OpenCL'] ['novalue'] ['novalue']