[llvm] [MachineBlockPlacement][X86] Use max of MDAlign and TLIAlign to align Loops. (PR #71026)

[Freddy Ye via llvm-commits]

FreddyLeaf wrote:

> > #70762
> 
> Should we wait for #70762 ?

I think we can do it parallel. And backend consumption can land first? 

https://github.com/llvm/llvm-project/pull/71026