| // RUN: %target-swift-emit-sil %s -verify |
| // REQUIRES: asserts |
| |
| // TF-1204: Subset parameters thunk crash for original function with `inout` |
| // parameters. |
| |
| struct Convolution<T>: Differentiable |
| where T: Differentiable, T == T.TangentVector { |
| var bias: T |
| |
| @differentiable(wrt: self) |
| @differentiable |
| func callAsFunction(_ input: T) -> T { |
| var result = withoutDerivative(at: bias) |
| infer(result: &result, input: input, bias: bias) |
| return result |
| } |
| |
| @differentiable |
| func infer(result: inout T, input: T, bias: T) { |
| fatalError() |
| } |
| |
| @derivative(of: infer) |
| func _vjpInfer(result: inout T, input: T, bias: T) |
| -> ( |
| value: Void, pullback: (inout T) -> (Convolution<T>.TangentVector, T, T) |
| ) |
| { |
| fatalError() |
| } |
| } |
| |
| // Original crasher: |
| // Assertion failed: (origFnType->getResults().size() == 1), function getOrCreateSubsetParametersThunkForDerivativeFunction, file /Users/swiftninjas/s4tf/swift/lib/SILOptimizer/Utils/Differentiation/Thunk.cpp, line 812. |
| // Stack dump: |
| // 1. Swift version 5.2-dev (LLVM b3057cffb6, Swift c8bea53782) |
| // 2. While running pass #135 SILModuleTransform "Differentiation". |
| // 3. While canonicalizing `differentiable_function` SIL node %22 = differentiable_function [parameters 0 2 3] %18 : $@callee_guaranteed (@inout τ_0_0, @in_guaranteed τ_0_0, @in_guaranteed τ_0_0, @in_guaranteed Convolution<τ_0_0>) -> () // users: %27, %23 |
| // 4. While ...in SIL function "@AD__$s4conv11ConvolutionV14callAsFunctionyxxF__vjp_src_0_wrt_1_s14DifferentiableRz13TangentVectorsAAPQzRszl". |
| // for 'callAsFunction(_:)' (at conv.swift:8:5) |
| // 0 swift 0x0000000104c08e75 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37 |
| // 1 swift 0x0000000104c080b5 llvm::sys::RunSignalHandlers() + 85 |
| // 2 swift 0x0000000104c0945c SignalHandler(int) + 268 |
| // 3 libsystem_platform.dylib 0x00007fff6deebb5d _sigtramp + 29 |
| // 4 libsystem_platform.dylib 0x0000000000005290 _sigtramp + 18446603338671822672 |
| // 5 libsystem_c.dylib 0x00007fff6dda56a6 abort + 127 |
| // 6 libsystem_c.dylib 0x00007fff6dd6e20d basename_r + 0 |
| // 7 swift 0x0000000104ec58a3 swift::autodiff::getOrCreateSubsetParametersThunkForDerivativeFunction(swift::SILOptFunctionBuilder&, swift::SILValue, swift::SILValue, swift::AutoDiffDerivativeFunctionKind, swift::SILAutoDiffIndices, swift::SILAutoDiffIndices) (.cold.10) + 35 |
| // 8 swift 0x000000010136f079 swift::autodiff::getOrCreateSubsetParametersThunkForDerivativeFunction(swift::SILOptFunctionBuilder&, swift::SILValue, swift::SILValue, swift::AutoDiffDerivativeFunctionKind, swift::SILAutoDiffIndices, swift::SILAutoDiffIndices) + 7545 |
