[Mlir-commits] [mlir] [mlir][vector] Add patterns for vector masked load/store (PR #74834)

[Hsiangkai Wang]

Hsiangkai wrote:

> My only remaining concern remains this: [#74834 (comment)](https://github.com/llvm/llvm-project/pull/74834#issuecomment-1852769343)
> 
> Do we really prefer `scf.for` loop over a sequence of `scf.if`? If we rely on some loop unrolling pattern to do that for us, are dynamic extract elements getting simplified to extract over static indices?

When we emulate masked load/store, we do not know the length of mask, do we? How to generate a sequence of `scf.if` according to the mask length?

https://github.com/llvm/llvm-project/pull/74834