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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.
29 lines
1.6 KiB
Swift
29 lines
1.6 KiB
Swift
// RUN: %target-build-swift %s
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// SR-13933: Fix "multiple consuming users" ownership error caused by
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// `VJPCloner::visitApply` related to `@differentiable`-function-typed callees.
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import _Differentiation
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protocol P: Differentiable {
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associatedtype Assoc: Differentiable
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}
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struct S<T: P> {
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var fn: @differentiable (T.Assoc, T.Assoc) -> Float
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func method(y: T.Assoc) {
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_ = gradient(at: y) { y in return self.fn(y, y) }
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}
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}
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// Original error:
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// Begin Error in Function: 'AD__$s4main1SV6method1yy5AssocQz_tFSfAGcfU___vjp_src_0_wrt_0_4main1PRzl'
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// Found over consume?!
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// Value: %5 = copy_value %4 : $@differentiable @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> Float for <τ_0_0.Assoc, τ_0_0.Assoc> // users: %19, %6
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// User: %6 = convert_function %5 : $@differentiable @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> Float for <τ_0_0.Assoc, τ_0_0.Assoc> to $@differentiable @callee_guaranteed (@in_guaranteed τ_0_0.Assoc, @in_guaranteed τ_0_0.Assoc) -> Float // user: %7
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// Block: bb0
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// Consuming Users:
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// destroy_value %5 : $@differentiable @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> Float for <τ_0_0.Assoc, τ_0_0.Assoc> // id: %19
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// %6 = convert_function %5 : $@differentiable @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> Float for <τ_0_0.Assoc, τ_0_0.Assoc> to $@differentiable @callee_guaranteed (@in_guaranteed τ_0_0.Assoc, @in_guaranteed τ_0_0.Assoc) -> Float // user: %7
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