[llvm] [InstCombine] Add cast support in simplifyUsingControlFlow (PR #142263)

[Andreas Jonson via llvm-commits]

andjo403 wrote:

fix the misscompile CastType was updated to sext but the value was not matched and then the value was inverted and the value matched so the expected zext was changed faulty to a sext.

https://github.com/llvm/llvm-project/pull/142263