[Mlir-commits] [mlir] [mlir][Vector] Add `vector.to_elements` op (PR #141457)

[Mehdi Amini]

joker-eph wrote:

> We may end up with quite some dead values that couldn't be optimized away:

I don't quite see the issue actually? This is just a lowering problem: you don't emit a `extract_element` operation when converting to LLVM if the SSA value has no use.

> I also anticipate redundant vector.to_elements extracting from the same vector when the IR hasn't been CSE'ed. This would be a concern for memory consumption?

Shouldn't matter much, at least not compared to individual vector.extract that cannot be CSE'd!


https://github.com/llvm/llvm-project/pull/141457