Hi,
F18 PR1090 that was just merged aligns f18 with MLIR latest interface. When you update your sandbox to f18 new master:
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You will need to use an LLVM built with llvm-project head from today (see link below for a validated version).
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You need to add -DMLIR_DIR=/lib/cmake/mlir to f18 command for out of LLVM tree builds.
(Note that replacing both -DLLVM_DIR and -DMLIR_DIR by a single -DCMAKE_PREFIX_PATH= should also work.)
I have updated https://github.com/flang-compiler/f18-llvm-project/tree/f18 LLVM fork with the LLVM head from this morning that was validated with f18.
Jean