Call graphs for CUDA
===

I am trying to generate call graphs for a code that I have in CUDA with [egypt][1] but the usual way doesn't seem to work (since nvcc doesn't have any flag that can do the same thing as -fdump-rtl-expand). 


Any ideas on how this can be done with cuda (.cu) files? 


  [1]: http://www.gson.org/egypt/egypt.html