| // RUN: %target-swift-frontend -O -emit-sil %s -verify |
| // REQUIRES: asserts |
| |
| // TF-1126: Generic specialization crash during capture propagation. |
| // Related to `@differentiable` function with `partial_apply` operands, |
| // to be specialized. Occurs only with `-O`. |
| |
| struct A: Differentiable{ |
| var b: SIMD8<Float> |
| } |
| |
| @differentiable |
| func function(a: A) -> A { |
| var a = a |
| a.b = a.b - SIMD8<Float>(repeating: 1.0) |
| return a |
| } |
| |
| let masks: [SIMD8<Float>] = [[1,0,0,0,0,0,0,0], |
| [0,1,0,0,0,0,0,0], |
| [0,0,1,0,0,0,0,0], |
| [0,0,0,1,0,0,0,0], |
| [0,0,0,0,1,0,0,0], |
| [0,0,0,0,0,1,0,0], |
| [0,0,0,0,0,0,1,0], |
| [0,0,0,0,0,0,0,1]] |
| |
| extension SIMD8 where Scalar == Float{ |
| @differentiable(where Scalar: Differentiable) |
| func updated(at index: Int, with newValue: Scalar) -> Self { |
| let mask = masks[index] |
| let result = self - (self * mask) + (newValue * mask) |
| return result |
| } |
| } |
| |
| // Looking for a function: $ss4SIMDPss14DifferentiableRzSB6Scalars11SIMDStoragePRpzsAA13TangentVectorsACPRpzSBAhI_AdFRPzrlE12_vjpSubtract3lhs3rhsx5value_AJ_AJtAJc8pullbacktx_xtFZs5SIMD8VySfG_Tg5 |
| // Expected type: @convention(method) (@in_guaranteed SIMD8<Float>, @in_guaranteed SIMD8<Float>, @thick SIMD8<Float>.Type) -> (@out SIMD8<Float>, @owned @callee_guaranteed (@in_guaranteed SIMD8<Float>) -> (@out SIMD8<Float>, @out SIMD8<Float>)) |
| // Found type: @convention(method) (SIMD8<Float>, SIMD8<Float>, @thick SIMD8<Float>.Type) -> (@out SIMD8<Float>, @owned @callee_guaranteed (@in_guaranteed SIMD8<Float>) -> (@out SIMD8<Float>, @out SIMD8<Float>)) |
| // Assertion failed: (ReInfo.getSpecializedType() == SpecializedF->getLoweredFunctionType() && "Previously specialized function does not match expected type."), function lookupSpecialization, file /Users/swiftninjas/s4tf/swift/lib/SILOptimizer/Utils/Generics.cpp, line 1833. |
| // Stack dump: |
| // ... |
| // 1. Swift version 5.2-dev (Swift bf631dc2e4) |
| // 2. While running pass #113021 SILFunctionTransform "CapturePropagation" on SILFunction "@AD__$ss5SIMD8V6deleteSfRszrlE7updated2at4withABySfGSi_SftF__vjp_src_0_wrt_1_2". |
| // for 'updated(at:with:)' (at /Users/porter/Dropbox (PassiveLogic)/Team/Team Members Scratch Space/Porter/Experiments/Playgrounds/delete/delete/main.swift:75:5) |
| // llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37 |
| // llvm::sys::RunSignalHandlers() + 85 |
| // SignalHandler(int) + 278 |
| // _sigtramp + 29 |
| // _sigtramp + 2821162056 |
| // abort + 127 |
| // basename_r + 0 |
| // swift::GenericFuncSpecializer::lookupSpecialization() (.cold.1) + 35 |
| // swift::GenericFuncSpecializer::lookupSpecialization() + 2109 |
| // (anonymous namespace)::CapturePropagation::optimizePartialApply(swift::PartialApplyInst*) + 1301 |
| // (anonymous namespace)::CapturePropagation::run() + 265 |
