   0  int_isconstant %i1 -> %i2
   3  -live- %i0, %i1, %i2, %r0
   3  goto_if_not %i2, L1
   7  -live- %i0, %i1, %r0
   7  goto_if_not_int_is_zero %i1, L2
  11  int_return $True
  13  ---
  13  L2:
  13  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_pos> -> %i2
  18  int_isconstant %i2 -> %i2
  21  -live- %i0, %i1, %i2, %r0
  21  goto_if_not %i2, L3
  25  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_end> -> %i2
  30  int_isconstant %i2 -> %i2
  33  -live- %i0, %i1, %i2, %r0
  33  goto_if_not %i2, L4
  37  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_end> -> %i2
  42  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_pos> -> %i3
  47  int_sub %i2, %i3 -> %i2
  51  -live- %i0, %i1, %i2, %i3, %r0
  51  goto_if_not_int_le %i1, %i2, L5
  56  -live- %i0, %i1, %i3, %r0
  56  goto_if_not_int_le %i1, $16, L6
  61  getfield_gc_r %r0, FieldDescr<unicodebuilder.current_buf> -> %r1
  66  int_add %i3, %i1 -> %i2
  70  setfield_gc_i %r0, %i2, FieldDescr<unicodebuilder.current_pos>
  75  L7:
  75  -live- %i0, %i2, %i3, %r1
  75  goto_if_not_int_lt %i3, %i2, L8
  80  unicodesetitem %r1, %i3, %i0
  84  int_add %i3, $1 -> %i3
  88  goto L7
  91  ---
  91  L8:
  91  int_return $True
  93  ---
  93  L6:
  93  L9:
  93  -live- %i0, %i1, %r0
  93  goto_if_not_int_eq %i1, $1, L10
  98  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_pos> -> %i2
 103  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_end> -> %i1
 108  int_eq %i2, %i1 -> %i2
 112  conditional_call_ir_v %i2, $<* fn ll_grow_by__unicodebuilderPtr_Signed>, I[$1], R[%r0], <CallDescr(ri) EF=5>
 121  -live- %i0, %r0
 121  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_pos> -> %i2
 126  int_add %i2, $1 -> %i1
 130  setfield_gc_i %r0, %i1, FieldDescr<unicodebuilder.current_pos>
 135  getfield_gc_r %r0, FieldDescr<unicodebuilder.current_buf> -> %r0
 140  unicodesetitem %r0, %i2, %i0
 144  int_return $True
 146  ---
 146  L10:
 146  int_return $False
 148  ---
 148  L5:
 148  goto L9
 151  ---
 151  L4:
 151  goto L9
 154  ---
 154  L3:
 154  goto L9
 157  ---
 157  L1:
 157  int_return $False
