[llvm] [X86][LoopVectorize] Enable MaximizeBandwidth by default on X86 (PR #201666)

[Luke Lau via llvm-commits]

https://github.com/lukel97 commented:

Looks like a bunch of formatting changes got pulled into this PR, I think they need removed.

Also it doesn't look like there's any benefit to enabling this on its own, does this need to wait until https://github.com/llvm/llvm-project/pull/205373 lands first?

https://github.com/llvm/llvm-project/pull/201666