Mehdi Amini dc43f78565 Add basic Python bindings for the PassManager and bind libTransforms ...

This only exposes the ability to round-trip a textual pipeline at the
moment.
To exercise it, we also bind the libTransforms in a new Python extension. This
does not include any interesting bindings, but it includes all the
mechanism to add separate native extensions and load them dynamically.
As such passes in libTransforms are only registered after `import
mlir.transforms`.
To support this global registration, the TableGen backend is also
extended to bind to the C API the group registration for passes.

Reviewed By: stellaraccident

Differential Revision: https://reviews.llvm.org/D90819

2020-11-10 19:55:21 +00:00

7.7 KiB

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