[llvm] [SimplifyIndVar] Push more users to worklist for simplifyUsers (PR #93598)

[Nikita Popov via llvm-commits]

nikic wrote:

No compile-time impact: https://llvm-compile-time-tracker.com/compare.php?from=e5a41f0afc152cc24b8fef3aa177ef53b2e77c43&to=96dd00646ea8346b9eb4efc0b5b5c78375e8189b&stat=instructions:u

https://github.com/llvm/llvm-project/pull/93598