[Mlir-commits] [mlir] Reland "[mlir][reducer] Add eraseRedundantBlocksInRegion to reduction-tree pass" (PR #191961)

[lonely eagle]

linuxlonelyeagle wrote:

I rebased this PR and reimagined the implementation, as the 'interesting' behavior might stem from dead code or reside within unreachable blocks. Hope you can review it when you have a chance. cc: @j2kun @jpienaar Thanks.

https://github.com/llvm/llvm-project/pull/191961