[llvm] [InstCombine] Optimize redundant floating point comparisons in `or`/`and` inst's (PR #158097)

[Yingwei Zheng via llvm-commits]

https://github.com/dtcxzyw approved this pull request.

LG. As a follow-up, we can use the ConstantFPRange API to generalize this pattern (`makeExactFCmpRegion` + `contains`).

https://github.com/llvm/llvm-project/pull/158097