[llvm] [mlir] [mlir][core] Add an MLIR "pattern catalog" generator (PR #146228)

[via llvm-commits]

Kewen12 wrote:

Hi there, This PR has failed mlir test currently breaking our bots. Could you please take a look? Thanks!
>FAIL: MLIR::test-pattern-logging-listener.mlir

bot: https://lab.llvm.org/buildbot/#/builders/140/builds/27168

https://github.com/llvm/llvm-project/pull/146228