[llvm] [VPlan] Use bitfield to store Cmp predicates and GEP wrap flags. (NFC) (PR #181571)

[Florian Hahn via llvm-commits]

fhahn wrote:

@midhuncodes7 please take a look at https://github.com/llvm/llvm-project/pull/184687, it should fix the issue but it needs feedback from someone familiar with AIX

https://github.com/llvm/llvm-project/pull/181571