[PATCH] D23530: Remove excessive padding from BarrierOp, PrefetchOp, PSBHintOp.

[Saleem Abdulrasool via cfe-commits]

compnerd added a comment.

The `Data` and `Length` fields are tied together.  Wouldn't it be possible to reorder this as `Val`, `Length`, `Data` and have it  achieve similar sizes and keep the `Data` and `Length` fields together?


https://reviews.llvm.org/D23530