Massive performance degredation between v0.2.8 and v0.2.9 with LoopVectorization.jl about tullio.jl HOT 3 CLOSED

julia> :(zero(T)) |> dump
Expr
  head: Symbol call
  args: Array{Any}((2,))
    1: Symbol zero
    2: Symbol T

julia> :($zero(T)) |> dump
Expr
  head: Symbol call
  args: Array{Any}((2,))
    1: zero (function of type typeof(zero))
    2: Symbol T

lex1 = quote
    @avx for i in 1:10
        acc = zero(T)
        for j in 1:10
            acc += A[i,j]
        end
        B[i] = acc
    end
end

lex2 = quote
    @avx for i in 1:10
        acc = $zero(T)
        for j in 1:10
            acc += A[i,j]
        end
        B[i] = acc
    end
end

macroexpand(Main, lex1) # ok

macroexpand(Main, lex2) # MethodError: no method matching instruction!(::LoopVectorization.LoopSet, ::typeof(zero))

julia> using Tullio, LoopVectorization

julia> A, B, C = rand(9,9), rand(9,9), rand(9,9);

julia> @tullio C[i, j] = A[i, k] * B[k, j] grad=false verbose=1;
┌ Warning: LoopVectorization failed 
│   err =
│    LoadError: MethodError: no method matching instruction!(::LoopVectorization.LoopSet, ::typeof(zero))
...