[llvm] [InstCombine] Resolve FIXME: Use commutative matchers (PR #81060)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Please add more tests if the motivation of this patch is to handle more commuted patterns.
If this patch is NFC, I am confused why we cannot benefit from removing some duplicate logic.


https://github.com/llvm/llvm-project/pull/81060