[AutoDiff] Fix differentiability witness SIL serialization. #28461
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- Create `SILSerializer::DifferentiabilityWitnessesToEmit` to track differentiability witnesses referenced by `differentiability_witness_function` instructions. These witnesses need to be serialized. - Move differentiability witness serialization before SIL function serialization but after visiting SIL functions (`differentiability_witness_function` instructions). - Use `-emit-sorted-sil` in test/AutoDiff/sil_differentiability_witness.sil for deterministic ordering for printing and deserialization.
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@swift-ci Please clean test tensorflow |
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Closing. Mirror patch #28463 was merged to |
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SILSerializer::DifferentiabilityWitnessesToEmitto trackdifferentiability witnesses referenced by
differentiability_witness_functioninstructions.These witnesses need to be serialized.
but after visiting SIL functions (
differentiability_witness_functioninstructions).
-emit-sorted-silintest/AutoDiff/sil_differentiability_witness.silfor deterministic ordering for printing and deserialization.