[llvm-branch-commits] [llvm] [MachinePipeliner] Increase the default maximum MII to 256 (PR #212537)

[Ryotaro Kasuga via llvm-branch-commits]

kasuga-fj wrote:

Just out of curiosity, if `MachinePipelinerPolicy` is introduced in the stacked PR, would it make sense to add something like `MaximumMinInitiationInterval` to it and make it configurable per target as well?

https://github.com/llvm/llvm-project/pull/212537