Excerpt:

"

julia> a = function (x); x += 1; x += 1; return x; end

#13 (generic function with 1 method)

julia> @code_llvm a(3)

; @ none:1 within `#13'

define i64 @"julia_#13_17607"(i64) {

top:

; ┌ @ int.jl:53 within `+'

   %1 = add i64 %0, 2 <-- <one instruction, not two>

; └

  ret i64 %1

}"

Prior to reading this article, I did not know that Julia could compile LLVM at the function level... very cool!