[mlir] use irdl as matcher description in transform (#89779) Introduce a new Transform dialect extension that uses IRDL op definitions as matcher descriptors. IRDL allows one to essentially define additional op constraits to be verified and, unlike PDL, does not assume rewriting will happen. Leverage IRDL verification capability to filter out ops that match an IRDL definition without actually registering the corresponding operation with the system.
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