[llvm] [CVP] Remove Zero-Index GEP (PR #144831)

[Nikita Popov via llvm-commits]

nikic wrote:

A possible way to fix the motivating issue is to enable use of PredicateInfo in non-IP SCCP. This will also have compile-time overhead, but probably less than this? We'd have to evaluate whether it is worthwhile.

https://github.com/llvm/llvm-project/pull/144831