fun i32 @gcd (i32, i32) {
init:
  bid: b0
  allocations:


block b0:
  %b0:p0:i32:a
  %b0:p1:i32:b
  %b0:i0:u1 = cmp gt %b0:p0:i32 0:i32
  br %b0:i0:u1, b3(%b0:p0:i32), b2()

block b2:
  %b2:i0:i32 = minus %b0:p0:i32
  j b3(%b2:i0:i32)

block b3:
  %b3:p0:i32:t0
  %b3:i0:u1 = cmp gt %b0:p1:i32 0:i32
  br %b3:i0:u1, b6(%b0:p1:i32), b5()

block b5:
  %b5:i0:i32 = minus %b0:p1:i32
  j b6(%b5:i0:i32)

block b6:
  %b6:p0:i32:t1
  j b7(%b3:p0:i32, %b6:p0:i32)

block b7:
  %b7:p0:i32:a
  %b7:p1:i32:b
  %b7:i0:u1 = cmp ne %b7:p0:i32 %b7:p1:i32
  br %b7:i0:u1, b8(), b9()

block b8:
  %b8:i0:u1 = cmp gt %b7:p0:i32 %b7:p1:i32
  br %b8:i0:u1, b10(), b11()

block b9:
  ret %b7:p0:i32

block b10:
  %b10:i0:i32 = sub %b7:p0:i32 %b7:p1:i32
  j b7(%b10:i0:i32, %b7:p1:i32)

block b11:
  %b11:i0:i32 = sub %b7:p1:i32 %b7:p0:i32
  j b7(%b7:p0:i32, %b11:i0:i32)
}

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


block b0:
  %b0:i0:i32 = call @gcd:[ret:i32 params:(i32, i32)]*(18:i32, 21:i32)
  %b0:i1:u1 = cmp eq %b0:i0:i32 3:i32
  %b0:i2:i32 = typecast %b0:i1:u1 to i32
  ret %b0:i2:i32
}