[Mlir-commits] [mlir] [mlir][vector] Replace OneDimMultiReductionToTwoDim with OneDimMultiReductionToReduction (PR #184241)

[Andrzej Warzyński]

https://github.com/banach-space approved this pull request.

The overall direction makes a lot of sense - this is one step towards making patterns and `populate*` methods for `vector.multi_reduction` orthgonal. This will make the updated logic much easier to work with, thank you!

LGTM % nits inline

https://github.com/llvm/llvm-project/pull/184241