(In reply to comment #7)
> Looks like the shader needs too much registers, it's probably the most
> frequent reason for such errors. Old backend can't handle it correctly, and
> I think it's not going to be fixed. LLVM backend should handle it better, so
> you might want to try it in this case.

I'm always think that LLVM used by default. Sorry for such silly question, but
how can I determine which backend is used? I also tried to run game using
R600_LLVM=1 and other env vars (with or without sb) with no change.