[llvm] Patch series related to DAGCombiner::ReduceLoadOpStoreWidth (PR #119140)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> These patches are included (to be submitted in top-to-bottom order):

Only squash and merge is enabled for llvm. Can you submit these as stacked PRs with graphite or spr? 


https://github.com/llvm/llvm-project/pull/119140