fun i32 @main () {
init:
  bid: b0
  allocations:
    %l0:i32:a
    %l1:i32:b

block b0:
  %b0:i0:unit = nop
  %b0:i1:unit = nop
  %b0:i2:unit = nop
  switch 1:i32 default b4() [
    0:i32 b2()
    1:i32 b3()
  ]

block b1:
  %b1:p0:i32:b
  %b1:i0:unit = nop
  %b1:i1:u1 = cmp eq %b1:p0:i32 2:i32
  %b1:i2:i32 = typecast %b1:i1:u1 to i32
  ret %b1:i2:i32

block b2:
  %b2:i0:unit = nop
  %b2:i1:i32 = add 0:i32 1:i32
  %b2:i2:unit = nop
  j b1(%b2:i1:i32)

block b3:
  %b3:i0:unit = nop
  %b3:i1:i32 = add 0:i32 2:i32
  %b3:i2:unit = nop
  j b1(%b3:i1:i32)

block b4:
  %b4:i0:unit = nop
  %b4:i1:i32 = add 0:i32 3:i32
  %b4:i2:unit = nop
  j b1(%b4:i1:i32)
}