fun i32 @fibonacci (i32) {
init:
  bid: b0
  allocations: 
    %l0:i32:n

block b0:
  %b0:i0:unit = store %b0:p0:i32 %l0:i32*
  j b1()

block b1:
  %b1:i0:i32 = load %l0:i32*
  %b1:i1:i32 = load %l0:i32*
  %b1:i2:i32 = add %b1:i0:i32 %b1:i1:i32
  %b1:i3:u1 = cmp ne %b1:i2:i32 0:i32
  br %b1:i3:u1, b2(), b3()

block b2:
  %b2:i0:i32 = load %l0:i32*
  ret %b2:i0:i32

block b3:
  ret undef:i32

block b4:
  j b1()
}

fun i32 @main () {
init:
  bid: b0
  allocations: 


block b0:
  ret 1:i32

block b1:
  ret 0:i32
}