radeonsi: replace !tbaa with !invariant.load
radeonsi: replace !tbaa with !invariant.load

no change in generated code thanks to dereferenceable(n)

Reviewed-by: Nicolai Hähnle <0d0be6cf5ad662651be2dc5dfd44aa2b09d4c1cc@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler