[llvm] [mlir] [mlir][transform] LISH: Add transform op (PR #70630)

[Oleksandr Alex Zinenko via llvm-commits]

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+//===- LoopExtensionOps.td - Transform dialect operations --*- tablegen -*-===//
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ftynse wrote:

Some SCF transforms are currently using the `transform.loop.` prefix, e.g., https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SCF/TransformOps/SCFTransformOps.td#L43. Could we add a test that mixing these is fine?  (Longer-term, we should rename the SCF ones.)

https://github.com/llvm/llvm-project/pull/70630