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ONNX-MLIR: Testing and Specific Environment variables

High level testing of ONNX-MLIR

To run the lit ONNX-MLIR tests, use the following command:

call cmake --build . --config Release --target check-onnx-lit

To run the numerical ONNX-MLIR tests, use the following command:

call cmake --build . --config Release --target check-onnx-numerical

To run the doc ONNX-MLIR tests, use the following command after installing third_party ONNX shown below. Details to first install the third_party ONNX project are detailed here. Note that it is key to install the ONNX project's version listed in our third_party subdirectory, as ONNX-MLIR may be behind the latest version from the ONNX standard.

call cmake --build . --config Release --target check-docs

Summary of LLVM and ONNX-MLIR Environment Variables

The following CMake variables from LLVM and ONNX-MLIR can be used when compiling ONNX-MLIR.

MLIR_DIR:PATH Path to to the mlir cmake module inside an llvm-project build or install directory (e.g., c:/repos/llvm-project/build/lib/cmake/mlir). This is required if MLIR_DIR is not specified as an environment variable.

LLVM_EXTERNAL_LIT:PATH Path to the lit tool. Defaults to an empty string and LLVM will find the tool based on MLIR_DIR if possible. This is required when MLIR_DIR points to an install directory.