is there a roll over valve on the 91 wranglers

What is your question?

I have a 1991 jeep wrangler, it slipped into neutral and rolled down the driveway landing on a large boulder, the rig ran excellent prior to that and now it is not pumping fuel from the tank at all. I get no fuel at the filter. the rig hit a boulder went straight up in the air and landed perfectly ontop of the boulder damaging nothing that I can see, but does not get fuel any ideas.