[Mlir-commits] [mlir] [mlir][Transform] Relax the applicability of transform.foreach_match … (PR #70209)

[Nicolas Vasilache]

nicolasvasilache wrote:

> What's your use case? Not matching the root is load bearing as the rewrite part can erase it and chaos will ensue when we try to associate the result with the erased operation in line 895 below.

Added a `restrict_root` unit attr like we discussed offline.
It is a pretty common idiom to apply transforms on a func, check some property of the func in the matcher and then apply actions on the func itself, modifying only its content.


https://github.com/llvm/llvm-project/pull/70209