[Mlir-commits] [mlir] [mlir][vector] Folder: shape_cast(extract) -> extract (PR #146368)

[James Newling]

newling wrote:

> This makes sense and I guess that's what `isBroadcastLike` is introduced for, right? What about all the other changes - quite a lot of code has been removed. Could you quickly summarise?
> 
> The old logic was quite convoluted, so replacing that with something simpler (while all tests pass) is great, thanks!

Yes, I took the liberty to insert some code simplifications while adding `isBroadcastLike` :-)  I'll update the summary and add additional comments in the code now. 

https://github.com/llvm/llvm-project/pull/146368