[llvm] [InstCombine] fold icmp with add/sub instructions having the same operands (PR #143241)

[Acthinks Yang via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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Acthinks wrote:

The last three test cases are to test  icmp's operands commuted.

https://github.com/llvm/llvm-project/pull/143241