Instead of just generating pointers to functions, generate pointers to all permuted storage types and accesses.
Change-Id: I930b20150d823877eaf72dd7cac850078fe22f35
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/54656
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: David Neto <dneto@google.com>
Ben Clayton