[llvm-branch-commits] [mlir] [mlir][IR] Add builtin `TokenType` (PR #195640)

[Mehdi Amini via llvm-branch-commits]

https://github.com/joker-eph approved this pull request.

LGTM, thanks for the patience and perseverance through all the numerous iterations there! It's definitely not a trivial addition.

You've already got @ftynse approval, I would have loved to hear from @jpienaar as well if possible.

https://github.com/llvm/llvm-project/pull/195640