[InstCombine] X | C == C --> (X & ~C) == 0

We should canonicalize to one of these forms,
and compare-with-zero could be more conducive
to follow-on transforms. This also leads to
generally better codegen as shown in PR40611:
https://bugs.llvm.org/show_bug.cgi?id=40611

llvm-svn: 353313