[Mlir-commits] [mlir] [mlir][Vector] Add fold transpose(shape_cast) -> shape_cast (PR #73951)

[llvmlistbot at llvm.org]

MaheshRavishankar wrote:

> > Kicked of a PR on IREE ([openxla/iree#15748](https://github.com/openxla/iree/pull/15748)) that cherry-picks this change and undoes the revert we were carrying locally if it fixes the original issue.
> 
> This does not depend on the previous transpose lowering (which will likely still lead to problems for you)
> 
> This patch alone is all we need for lowering SME matmuls :)

Brain fade on my part.... So really we will also need to upstream revert the original patch.... Thats a different discussion. Fixed up the PR for now that just tests this patch.

https://github.com/llvm/llvm-project/pull/73951