Sample of internal type info of JIT of mruby
This is method sample in ao-render.rb

class Vec
  def vdot(b)
    r = @x * b.x + @y * b.y + @z * b.z
    r
  end
end

result (each element of array is RITE register type

ENTER R4,:@x,0 	 [Vec, Vec, NilClass, nil, nil, nil, nil, nil, nil]
GETIV R4, 0 	 [Vec, Vec, NilClass, nil, nil, nil, nil, nil, nil]
MOVE R5, R1 	 [Vec, Vec, NilClass, nil, nil, Vec, nil, nil, nil]
SEND R5,:x,0 	 [Vec, Vec, NilClass, nil, nil, nil, nil, nil, nil]
MUL R4,:*,1 	 [Vec, Vec, NilClass, nil, Float, Float, nil, nil, nil]
GETIV R5, 4 	 [Vec, Vec, NilClass, nil, Float, nil, nil, nil, nil]
MOVE R6, R1 	 [Vec, Vec, NilClass, nil, Float, nil, Vec, nil, nil]
SEND R6,:y,0 	 [Vec, Vec, NilClass, nil, Float, nil, nil, nil, nil]
MUL R5,:*,1 	 [Vec, Vec, NilClass, nil, Float, Float, Float, nil, nil]
ADD R4,:+,1 	 [Vec, Vec, NilClass, nil, Float, Float, Float, nil, nil]
GETIV R5, 6 	 [Vec, Vec, NilClass, nil, Float, nil, Float, nil, nil]
MOVE R6, R1 	 [Vec, Vec, NilClass, nil, Float, nil, Vec, nil, nil]
SEND R6,:z,0 	 [Vec, Vec, NilClass, nil, Float, nil, nil, nil, nil]
MUL R5,:*,1 	 [Vec, Vec, NilClass, nil, Float, Float, Float, nil, nil]
ADD R4,:+,1 	 [Vec, Vec, NilClass, nil, Float, Float, Float, nil, nil]
MOVE R3, R4 	 [Vec, Vec, NilClass, Float, Float, Float, Float, nil, nil]
RETURN R4,:@x,0 	 [Vec, Vec, NilClass, Float, Float, Float, Float, nil, nil]