[llvm] IR: introduce struct with CmpInst::Predicate and samesign (PR #116867)

[Nikita Popov via llvm-commits]

nikic wrote:

Looks like this has compile-time overhead: https://llvm-compile-time-tracker.com/compare.php?from=f33536468b7f05c05c8cf8088427b0b5b665eb65&to=51a895aded890e90493be59f7af0fa5a3b9b85aa&stat=instructions:u

https://github.com/llvm/llvm-project/pull/116867