[llvm] [SeparateConstOffsetFromGEP] Reorder trivial GEP chains to separate constants (PR #73056)

[Krzysztof Drewniak via llvm-commits]

krzysz00 wrote:

Might be good to revert and make sure there's a local test run with all targets enabled at least?

https://github.com/llvm/llvm-project/pull/73056