[llvm-branch-commits] [mlir] release/18.x: [MLIR] [Transforms] Let `transform.structured.convert_to_loops` return handles to loops (#83984) (PR #85942)

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lhunloh wrote:

We thought that might bring this transformation more in line with other transforms (which give handles to loops). Of course I could cherry-pick only the first commit, that would help us already. I'll do that, should this one get closed. :)

https://github.com/llvm/llvm-project/pull/85942