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Previously, two conditions were necessary to enable differentiable programming: - Using the `-enable-experimental-differentiable-programming` frontend flag. - Importing the `_Differentiation` module. Importing the `_Differentiation` module is the true condition because it contains the required compiler-known `Differentiable` protocol. The frontend flag is redundant and cumbersome. Now, the frontend flag is removed. Importing `_Differentiation` is the only condition.
78 lines
3.3 KiB
Swift
78 lines
3.3 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen -verify %s | %FileCheck %s
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// REQUIRES: asserts
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import _Differentiation
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@noDerivative var flag: Bool
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struct NotDifferentiable {
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@noDerivative var stored: Float
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@noDerivative
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var computedProperty: Float {
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get { 1 }
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set {}
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_modify { yield &stored }
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}
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@noDerivative
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func instanceMethod(_ x: Float) -> Float { x }
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@noDerivative
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static func staticMethod(_ x: Float) -> Float { x }
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@noDerivative
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subscript(_ x: Float) -> Float {
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get { 1 }
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set {}
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_modify { yield &stored }
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}
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}
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// CHECK-LABEL: struct NotDifferentiable {
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// CHECK: @noDerivative @_hasStorage var stored: Float { get set }
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// CHECK: @noDerivative var computedProperty: Float { get set _modify }
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// CHECK: @noDerivative func instanceMethod(_ x: Float) -> Float
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// CHECK: @noDerivative static func staticMethod(_ x: Float) -> Float
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// CHECK: @noDerivative subscript(x: Float) -> Float { get set _modify }
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// CHECK: }
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// CHECK-LABEL: // NotDifferentiable.computedProperty.getter
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableV16computedPropertySfvg : $@convention(method) (NotDifferentiable) -> Float
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// CHECK-LABEL: // NotDifferentiable.computedProperty.setter
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableV16computedPropertySfvs : $@convention(method) (Float, @inout NotDifferentiable) -> ()
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// CHECK-LABEL: // NotDifferentiable.computedProperty.modify
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableV16computedPropertySfvM : $@yield_once @convention(method) (@inout NotDifferentiable) -> @yields @inout Float
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// CHECK-LABEL: // NotDifferentiable.instanceMethod(_:)
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableV14instanceMethodyS2fF : $@convention(method) (Float, NotDifferentiable) -> Float
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// CHECK-LABEL: // static NotDifferentiable.staticMethod(_:)
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableV12staticMethodyS2fFZ : $@convention(method) (Float, @thin NotDifferentiable.Type) -> Float
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// CHECK-LABEL: // NotDifferentiable.subscript.getter
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableVyS2fcig : $@convention(method) (Float, NotDifferentiable) -> Float
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// CHECK-LABEL: // NotDifferentiable.subscript.setter
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableVyS2fcis : $@convention(method) (Float, Float, @inout NotDifferentiable) -> ()
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// CHECK-LABEL: // NotDifferentiable.subscript.modify
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// CHECK: sil hidden [_semantics "autodiff.nonvarying"] [ossa] @$s17noderivative_attr17NotDifferentiableVyS2fciM : $@yield_once @convention(method) (Float, @inout NotDifferentiable) -> @yields @inout Float
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struct Bar: Differentiable {
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@noDerivative var stored: Float
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}
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// Test TF-152: derived conformances "no interface type set" crasher.
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struct TF_152: Differentiable {
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@differentiable(wrt: bar)
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func applied(to input: Float, bar: TF_152_Bar) -> Float {
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return input
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}
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}
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struct TF_152_Bar: Differentiable {
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@noDerivative let dense: Float
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}
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