[InstCombine] refactor eq/ne cases in foldICmpUsingKnownBits() ; NFCI

The pattern matching and transforms are identical; the cmp predicate just changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281561 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed