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


block b0:
  j b1(0:i32)

block b1:
  %b1:p0:i32:i
  %b1:i0:i32 = add %b1:p0:i32 1:i32
  %b1:i1:u1 = cmp lt %b1:i0:i32 4:i32
  br %b1:i1:u1, b1(%b1:i0:i32), b3()

block b3:
  ret %b1:p0:i32
}