[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.

Done, results are here: http://llvm-compile-time-tracker.com/compare.php?from=ac1daad9bb4eb083df6b215c029816d3149e00d8&to=e079f3f9107f55e1595a47aafec5fe4e03277665&stat=instructions:u

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