[gicombiner] Add support for arbitrary match data being passed from match to apply

Summary:
This is used by the extending_loads combine to tell the apply step which
use is the preferred one to fold and the other uses should be re-written
to consume.

Depends on D69117

Reviewers: volkan, bogner

Reviewed By: volkan

Subscribers: hiraditya, Petar.Avramovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69147