ac: invalidate metadata after hs_emit_write_tess_factors()

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9804>

src/amd/common/ac_nir_lower_tess_io_to_mem.c

@@ -549,6 +549,8 @@ hs_emit_write_tess_factors(nir_shader *shader,
    }
 
    nir_pop_if(b, invocation_id_zero);
+
+   nir_metadata_preserve(impl, nir_metadata_none);
 }
 
 static nir_ssa_def *
@@ -736,4 +738,4 @@ ac_nir_lower_tess_to_const(nir_shader *shader,
                                  filter_const_lowerable_tess_intrinsics,
                                  lower_tess_intrinsics_to_const,
                                  &st);
-}
+}