Debugging things using llvmcall fails

[KristofferC]

Using master of MRH.

julia> using MagneticReadHead, Tensors

julia> t = rand(Tensor{2,3})

julia> @run t + t
ERROR: this intrinsic must be compiled to be called
Stacktrace:
 [1] call(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::Tuple{String,String}, ::Type, ::Type, ::Vararg{Any,N} where N) at /Users/kristoffer/.julia/packages/Cassette/N8DMt/src/context.jl:447
 [2] fallback(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::Vararg{Any,N} where N) at /Users/kristoffer/.julia/packages/Cassette/N8DMt/src/context.jl:445
 [3] overdub(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::Tuple{String,String}, ::Type, ::Type, ::NTuple{9,VecElement{Float64}}, ::Vararg{NTuple{9,VecElement{Float64}},N} where N) at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/core_control.jl:69
 [4] recurse(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::typeof(SIMD.llvmwrap), ::Type{Val{:+}}, ::SIMD.Vec{9,Float64}, ::SIMD.Vec{9,Float64}, ::Type{Float64}) at /Users/kristoffer/.julia/packages/SIMD/nqizO/src/SIMD.jl:602
 [5] overdub(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::Type, ::SIMD.Vec{9,Float64}, ::SIMD.Vec{9,Float64}, ::Type) at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/core_control.jl:48
 [6] llvmwrap at /Users/kristoffer/.julia/packages/SIMD/nqizO/src/SIMD.jl:583 [inlined]
 [7] recurse(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::typeof(SIMD.llvmwrap), ::Type{Val{:+}}, ::SIMD.Vec{9,Float64}, ::SIMD.Vec{9,Float64}) at /Users/kristoffer/.julia/packages/Cassette/N8DMt/src/overdub.jl:0
 [8] overdub(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::Type, ::SIMD.Vec{9,Float64}, ::SIMD.Vec{9,Float64}) at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/core_control.jl:48
 [9] recurse(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::typeof(+), ::SIMD.Vec{9,Float64}, ::SIMD.Vec{9,Float64}) at /Users/kristoffer/.julia/packages/SIMD/nqizO/src/SIMD.jl:1057
 [10] overdub(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::SIMD.Vec{9,Float64}, ::SIMD.Vec{9,Float64}) at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/core_control.jl:48
 [11] + at /Users/kristoffer/.julia/packages/Tensors/hQW1A/src/simd.jl:98 [inlined]
 [12] recurse(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::typeof(+), ::Tensor{2,3,Float64,9}, ::Tensor{2,3,Float64,9}) at /Users/kristoffer/.julia/packages/Cassette/N8DMt/src/overdub.jl:0
 [13] overdub(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::Function, ::Tensor{2,3,Float64,9}, ::Tensor{2,3,Float64,9}) at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/core_control.jl:48
 [14] #3 at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/MagneticReadHead.jl:52 [inlined]
 [15] recurse(::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}, ::getfield(Main, Symbol("##3#4"))) at /Users/kristoffer/.julia/packages/Cassette/N8DMt/src/overdub.jl:0
 [16] iron_debug(::Function, ::Cassette.Context{nametype(HandEvalCtx),MagneticReadHead.HandEvalMeta,Nothing,getfield(MagneticReadHead, Symbol("##PassType#363")),Nothing,Cassette.DisableHooks}) at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/MagneticReadHead.jl:34
 [17] top-level scope at /Users/kristoffer/.julia/packages/MagneticReadHead/EjaBR/src/MagneticReadHead.jl:51

[oxinabox]

I have isolated this to a Cassette bug.
Which will be linked below