Artemiy Bulavin f3dcc0fe22 [mlir] Refactor ConvertVectorToLLVMPass options (#128219) ...

The `VectorTransformsOptions` on the `ConvertVectorToLLVMPass` is
currently represented as a struct, which makes it not serialisable. This
means a pass pipeline that contains this pass cannot be represented as
textual form, which breaks reproducer generation and options such as
`--dump-pass-pipeline`.

This PR expands the `VectorTransformsOptions` struct into the two
options that are actually used by the Pass' patterns:
`vector-contract-lowering` and `vector-transpose-lowering` . The other
options present in VectorTransformOptions are not used by any patterns
in this pass.

Additionally, I have changed some interfaces to only take these specific
options over the full options struct as, again, the vector contract and
transpose lowering patterns only need one of their respective options.

Finally, I have added a simple lit test that just prints the pass
pipeline using `--dump-pass-pipeline` to ensure the options on this pass
remain serialisable.

Fixes #129046

2025-03-10 10:32:03 +00:00

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