Unable to compile trig functions through ForwardDiff about metal.jl HOT 4 CLOSED

using Metal, KernelAbstractions

X = Metal.MtlArray(fill(0.3f0, 128))
Y = copy(X)

@kernel function mwe_kernel_sincos(out, a)
    I = @index(Global, Linear)
    s, c = sincos(a[I])
    out[I] = s + c
end

kernel = mwe_kernel_sincos(Metal.MetalBackend())
kernel(Y, X, ndrange = size(Y))

ERROR: InvalidIRError: compiling MethodInstance for gpu_mwe_kernel_sincos(::KernelAbstractions.CompilerMetadata{KernelAbstractions.NDIteration.DynamicSize, KernelAbstractions.NDIteration.DynamicCheck, Nothing, CartesianIndices{1, Tuple{Base.OneTo{Int64}}}, KernelAbstractions.NDIteration.NDRange{1, KernelAbstractions.NDIteration.DynamicSize, KernelAbstractions.NDIteration.DynamicSize, CartesianIndices{1, Tuple{Base.OneTo{Int64}}}, CartesianIndices{1, Tuple{Base.OneTo{Int64}}}}}, ::MtlDeviceVector{Float32, 1}, ::MtlDeviceVector{Float32, 1}) resulted in invalid LLVM IR
Reason: unsupported call to an unknown function (call to gpu_malloc)
Stacktrace:
 [1] malloc
   @ ~/.julia/packages/GPUCompiler/YO8Uj/src/runtime.jl:88
 [2] macro expansion
   @ ~/.julia/packages/GPUCompiler/YO8Uj/src/runtime.jl:183
 [3] macro expansion
   @ ./none:0
 [4] box
   @ ./none:0
 [5] box_int64
   @ ~/.julia/packages/GPUCompiler/YO8Uj/src/runtime.jl:212
 [6] indexed_iterate                                                            <--
   @ ./tuple.jl:97
 [7] macro expansion
   @ ~/Developer/jl-forward-diff/mwe.jl:9
 [8] gpu_mwe_kernel_sincos
   @ ~/.julia/packages/KernelAbstractions/cWlFz/src/macros.jl:90
 [9] gpu_mwe_kernel_sincos
   @ ./none:0

@kernel function mwe_kernel_sincos(out, a)
    I = @index(Global, Linear)
    k = sincos(a[I])
    out[I] = k[1] + k[2]
end

@kernel function mwe_kernel_sincos(out, a)
    I = @index(Global, Linear)
    k = sincos(a[I])
    out[I] = k[1]
end

41 ─ %119 = $(Expr(:foreigncall, "extern air.sincos.f32", Float32, svec(Float32), 0, :(:llvmcall), :(%116), :(%116)))::Float32
└───        goto #43 if not true
42 ─        nothing::Nothing
43 ┄        goto #44
44 ─        goto #49 if not true
45 ─ %124 = Core.tuple(%92)::Tuple{UInt32}
│    %125 = Base.getfield(out, :shape)::Tuple{Int64}
│    %126 = Base.getfield(%125, 1, true)::Int64

@kernel function mwe_kernel_sincos(out, a)
    I = @index(Global, Linear)
    k = sincos(a[I])
    out[I] = k[2]
end

41 ─ %119 = $(Expr(:foreigncall, "extern air.sincos.f32", Float32, svec(Float32), 0, :(:llvmcall), :(%116), :(%116)))::Float32
└───        goto #43 if not true
42 ─        Metal.throw(Metal.nothing)::Union{}
└───        unreachable
43 ─        goto #44
44 ─        goto #49 if not true
45 ─ %125 = Core.tuple(%92)::Tuple{UInt32}
│    %126 = Base.getfield(out, :shape)::Tuple{Int64}
│    %127 = Base.getfield(%126, 1, true)::Int64

@device_override function Base.sincos(x::Float32) 
    c = Ref{Cfloat}()
    s = ccall("extern air.sincos.f32", llvmcall, Cfloat, (Cfloat, Ptr{Cfloat}), x, c)
    (s, c[])
end