Summary:
Propagate memory operands when folding load instructions into instructions that directly operate on memory.
The original revision has been split. See D80140 for the other part of the changes.
Reviewers: craig.topper, rnk, lebedev.ri, efriedma
Reviewed By: craig.topper
Subscribers: lebedev.ri, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D80062
