[Mlir-commits] [mlir] [mlir][Vector] Move vector.extract canonicalizers for DenseElementsAttr to folders (PR #127995)

[Jakub Kuderski]

kuhar wrote:

> I've never heard of folding being a significant cause of compile-time regressions.

IIRC @jpienaar reported folding as a significant contributor of total compilation times here: https://github.com/llvm/llvm-project/pull/104649#issuecomment-2305387793. One solution is to run is less frequently, the other is to make it cheaper, and we probably should aim for both. 

https://github.com/llvm/llvm-project/pull/127995