| // RUN: %target-build-swift -g %s |
| // REQUIRES: asserts |
| |
| // TF-1232: IRGenDebugInfo crash due to lack of proper mangling for |
| // AutoDiff-generated declarations: linear map structs and branching trace |
| // enums. |
| |
| import _Differentiation |
| |
| extension Float { |
| @_silgen_name("add") |
| static func add(_ x: Float, _ y: Float) -> Float { |
| return x + y |
| } |
| |
| @derivative(of: add) |
| static func addVJP(_ x: Float, _ y: Float) -> ( |
| value: Float, pullback: (Float) -> (Float, Float) |
| ) { |
| return (add(x, y), { v in (v, v) }) |
| } |
| } |
| |
| @differentiable |
| func foo(_ x: Float) -> Float { |
| let y = Float.add(x, x) |
| return y |
| } |
| |
| // Failed to reconstruct type for $s4main42_AD__$s4main3fooyS2fF_bb0__PB__src_0_wrt_0VmD |
| // Original type: |
| // (metatype_type |
| // (struct_type decl=main.(file)._AD__$s4main3fooyS2fF_bb0__PB__src_0_wrt_0)) |
| // Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!"), function cast, file /Users/danielzheng/swift-merge/llvm-project/llvm/include/llvm/Support/Casting.h, line 264. |
