[llvm] [EarlyCSE] Compare GEP instructions based on offset (PR #65875)

[Nikita Popov via llvm-commits]

nikic wrote:

> > Please check the compile-time impact of this change. The impact was high when I tried something like this before, but maybe I made a mistake.
> 
> Could you add https://github.com/DianQK/llvm-project to https://llvm-compile-time-tracker.com/? Thanks.

I'll do this on Thursday. I'm currently on vacation and don't have the SSH key with me.

https://github.com/llvm/llvm-project/pull/65875