[llvm] [InstCombine] Don't assert on samesign ule/uge of sext (PR #216079)

[Yingwei Zheng via llvm-commits]

https://github.com/dtcxzyw requested changes to this pull request.

Please fold these patterns in InstSimplify and make your PR description concise (only include reason analysis, solution, and 'Fixes/Closes' statement). Don't paste the LLM's output into the PR description.




https://github.com/llvm/llvm-project/pull/216079