[llvm] Fold patterns which uses v4i32 type for equality comparison on v2i64 type (PR #184328)

[Simon Pilgrim via llvm-commits]

RKSimon wrote:

> Hi @RKSimon, I just want to make sure, should I handle the other comparison patterns in this PR too or is it okay to handle them in a separate PR? 🙏

Putting in all the comparisons in a single file makes sense to me

https://github.com/llvm/llvm-project/pull/184328