72f0830ecd
This ports: 55445ff189 from radeonsi
radeonsi: tell LLVM not to remove s_barrier instructions
LLVM 5.0 removes s_barrier instructions if the max-work-group-size
attribute is not set. What a surprise.
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>