[llvm] [InstCombine] Fold align assume into load's !align metadata if possible. (PR #108958)

[Florian Hahn via llvm-commits]

fhahn wrote:

@dtcxzyw updated this PR to include a change to `EarlyCSE` to materialize alignment assumptions for `!align`. Could you re-run your analysis for the latest version of the PR?

https://github.com/llvm/llvm-project/pull/108958