[clang] [llvm] [InstCombine] Relax singleUse for GEP(p,add(x,constant)) to 2 GEPs (PR #209551)

[Abhay Kanhere via cfe-commits]

AbhayKanhere wrote:

One note on merge for   minmax-fp-loop-carried.ll ==  This PR splits a GEP whose Idx1 has no other use in a GEP to
    CSE with.       I could  follow-up will restrict relaxation to require Idx1  used in another GEP. Any thoughts ?

https://github.com/llvm/llvm-project/pull/209551