nir/print: Skip xfb if there is no xfb
What does this MR do and why?
nir/print: Skip xfb if there is no xfb
Removes "xfb(), xfb2()" from store_output intrinsics that don't have transform feedback, which is overwhelmingly the common case.
Signed-off-by: Alyssa Rosenzweig alyssa@rosenzweig.io