llmvpipe: No-op implement more barriers

Acked-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3307>
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_nir.c b/src/gallium/auxiliary/gallivm/lp_bld_nir.c
index 3eb7a12..ce50364 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_nir.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_nir.c
@@ -1356,6 +1356,9 @@
       visit_barrier(bld_base);
       break;
    case nir_intrinsic_memory_barrier:
+   case nir_intrinsic_memory_barrier_shared:
+   case nir_intrinsic_memory_barrier_buffer:
+   case nir_intrinsic_memory_barrier_image:
       break;
    case nir_intrinsic_load_kernel_input:
       visit_load_kernel_input(bld_base, instr, result);