function PBMAIN
  block entry
    alloca -> 1
    store v1,0
    alloca -> 2
    store v2,0
    call -> 3 c_hlib_lnarr_new
    store v2,v3
    call -> 4 c_hlib_lnarr_new
    store v2,v4
    store v1,0
    load -> 5 v1
    load -> 6 v2
    call c_hlib_lnarr_final,v6
    store v2,0
    ret v5
