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[SR-9511] [AD] Make thick @autodiff functions use a special type info #51963

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rxwei opened this issue Dec 14, 2018 · 0 comments
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[SR-9511] [AD] Make thick @autodiff functions use a special type info #51963

rxwei opened this issue Dec 14, 2018 · 0 comments
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@marcrasi
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. swift for tensorflow

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rxwei commented Dec 14, 2018

Previous ID SR-9511
Radar None
Original Reporter @rxwei
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s Swift for TensorFlow
Labels Bug
Assignee @marcrasi
Priority Medium

md5: 64b3242605890a868f52f5703fd39d2e

Issue Description:

When lowering types to IRGen, we currently convert @autodiff functions to a tuple representing the function bundle. However, this does not work well with thick functions because tuples' lowered type is not a ReferenceType. We need a special type info for thick @autodiff functions: DifferentiableFunctionTypeInfo.

Luckily, I have some prior work (or, boilerplate) that I can directly port over to support thick functions: 79c17ac
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@marcrasi marcrasi

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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. swift for tensorflow
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@rxwei