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[AutoDiff] Enable differentiation of generic functions. #22023
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dan-zheng
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apple:tensorflow
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dan-zheng:enable-generic-differentiation
Jan 21, 2019
Merged
[AutoDiff] Enable differentiation of generic functions. #22023
dan-zheng
merged 3 commits into
apple:tensorflow
from
dan-zheng:enable-generic-differentiation
Jan 21, 2019
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- Relax differentiability diagnostic for generic functions. - Previously, an error was emitted when attempting to differentiate any generic function. Now, diagnose only functions with indirect differentiation parameters/result. - Propagate differentiation associated function generic signature throughout differentiation pass. - Change `PrimalGenCloner` to inherit `TypeSubstCloner`. - Make primal value structs inherit primal function's generic parameters and signature. - Calculate correct substitution map for `PrimalGenCloner::visitApplyInst`. Emit diagnostic when apply instruction's associated function (e.g. VJP) has generic requirements unmet by the primal generic environment. - Remap types in `AdjointEmitter`. - Remove manually `@differentiable` attribute where clause conformance requirement checks. - `GenericSignatureBuilder` already performs checks so manual checks are unnecessary.
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rxwei
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TODO: Add more tests.
rxwei
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Congrats on figuring out generics! :)
@swift-ci Please test tensorflow |
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generic function. Now, diagnose only functions with indirect
differentiation parameters/result.
differentiation pass.
PrimalGenCloner
to inheritTypeSubstCloner
.and signature.
PrimalGenCloner::visitApplyInst
.Emit diagnostic when apply instruction's associated function (e.g. VJP)
has generic requirements unmet by the primal generic environment.
AdjointEmitter
.@differentiable
attribute where clause conformancerequirement checks.
GenericSignatureBuilder
already performs checks so manual checks areunnecessary.