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

[Nikita Popov via llvm-commits]

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nikic wrote:

Should change https://github.com/llvm/llvm-project/blob/94cc8915378ea0a7b66af3191407e6b519a0906a/llvm/lib/Analysis/InstructionSimplify.cpp#L7182-L7183 to pass the CmpPredicate?

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