Comment # 7 on bug 90378 from Daniel Scharrer

Yes, afair R600_DEBUG=switch_on_eop fixed all issues with L4D2. I'll re-test
with a more up to date build of LLVM and Mesa.

> Adding Tom in case he has an opinion on the LLVM issue.

Looks like he already had a look at some of the LLVM parts in bug #88978.