Remove zefunc.

src/broadcast.jl

@@ -13,29 +13,3 @@ Base.similar(bc::Broadcasted{oneArrayStyle{N}}, ::Type{T}) where {N,T} =
 
 Base.similar(bc::Broadcasted{oneArrayStyle{N}}, ::Type{T}, dims...) where {N,T} =
     oneArray{T}(undef, dims...)
-
-
-## replace base functions with libdevice alternatives
-
-zefunc(f) = f
-zefunc(::Type{T}) where T = (x...) -> T(x...) # broadcasting type ctors isn't GPU compatible
-
-Broadcast.broadcasted(::oneArrayStyle{N}, f, args...) where {N} =
-  Broadcasted{oneArrayStyle{N}}(zefunc(f), args, nothing)
-
-const device_intrinsics = :[
-    # math
-    acos, acosh, acospi, asin, asinh, asinpi, atan, atan2, atan2pi, atanh, atanpi, cbrt,
-    ceil, copysign, cos, cosh, cospi, erf, erfc, exp, exp10, exp2, expm1, abs, fdim,
-    floor, fma, fmax, fmax, fmax, fmin, fmin, fmin, fmod, hypot, ilogb, ilogb,
-    ldexp, lgamma, log, log10, log1p, log2, logb, mad, maxmag, minmag, nan, nextafter,
-    pow, pown, powr, remainder, rint, rootn, round, rsqrt, sin, sinh, sinpi, sqrt,
-    tan, tanh, tanpi, tgamma, trunc,
-    # integer
-    abs_diff, add_sat, hadd, rhadd, clz, mad_hi, mad_sat, mul_hi, rotate,
-    sub_sat, popcount].args
-
-for f in device_intrinsics
-  isdefined(Base, f) || continue
-  @eval zefunc(::typeof(Base.$f)) = $f
-end

src/mapreduce.jl

@@ -90,9 +90,6 @@ function GPUArrays.mapreducedim!(f::F, op::OP, R::oneWrappedArray{T},
     Base.check_reducedims(R, A)
     length(A) == 0 && return R # isempty(::Broadcasted) iterates
 
-    f = zefunc(f)
-    op = zefunc(op)
-
     # add singleton dimensions to the output container, if needed
     if ndims(R) < ndims(A)
         dims = Base.fill_to_length(size(R), 1, Val(ndims(A)))