Change lowering for Store to use input replacement type.

Change-Id: Ic1fbbb37a3cc938fca7015d838933284bae6068e
Reviewed-on: https://chromium-review.googlesource.com/903266
Commit-Queue: Jing Bao <jing.bao@intel.com>
Reviewed-by: Aseem Garg <aseemgarg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51540}