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07f632acaa
Add README files explaining the differentiable programming test suite. Add lit.local.cfg files so individual tests do not need to add `REQUIRES: asserts` in these directories: - test/AutoDiff/compiler_crashers - test/AutoDiff/compiler_crashers_fixed Motivation: it is important for compiler crasher tests to require assertions enabled, because many of these tests crash on compiler assertions.
19 lines
836 B
Swift
19 lines
836 B
Swift
// RUN: %target-swift-frontend -c %s -verify
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// TF-1160: Linker error for `@usableFromInline` derivative function but
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// non-`@usableFromInline` internal original function.
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import _Differentiation
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func internalOriginal(_ x: Float) -> Float { x }
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@usableFromInline
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@derivative(of: internalOriginal)
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func usableFromInlineDerivative(_ x: Float) -> (value: Float, pullback: (Float) -> Float) {
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(x, { $0 })
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}
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// Original error: type-checking passes but TBDGen is not consistent with IRGen.
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// <unknown>:0: error: symbol 'AD__$s4main16internalOriginalyS2fF__vjp_src_0_wrt_0' (AD__$s4main16internalOriginalyS2fF__vjp_src_0_wrt_0) is in generated IR file, but not in TBD file
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// <unknown>:0: error: please file a radar or open a bug on bugs.swift.org with this code, and add -Xfrontend -validate-tbd-against-ir=none to squash the errors
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