The VIs related to generate profile can be found in:
C:\Program Files (x86)\National Instruments\LabVIEW 2011\vi.lib\addons\Control Design\_MPC\Reference Profile
or
C:\Program Files\National Instruments\LabVIEW 2011\\vi.lib\addons\Control Design\_MPC\Reference Profile
You can look at examples in:
C:\Program Files (x86)\National Instruments\LabVIEW 2011\examples\Control and Simulation\Control Design\MPC
C:\Program Files\National Instruments\LabVIEW 2011\examples\Control and Simulation\Control Design\MPC
to verify how to use those VIs.
Barp - Control and Simulation Group - LabVIEW R&D - National Instruments