   0  -live- %i0, %i1, %r0, %r1
   3  goto_if_not_int_gt %i1, $1280, L1
   8  getfield_gc_i %r0, FieldDescr<stringbuilder.current_pos> -> %i3
  13  -live- %i0, %i1, %i3, %r0, %r1
  16  goto_if_not_int_is_zero %i3, L2
  20  -live- %i0, %i1, %r0, %r1
  23  goto_if_not_int_is_zero %i0, L3
  27  strlen %r1 -> %i3
  30  -live- %i0, %i1, %i3, %r0, %r1
  33  goto_if_not_int_eq %i1, %i3, L4
  38  getfield_gc_i %r0, FieldDescr<stringbuilder.total_size> -> %i3
  43  -live- %i0, %i1, %i3, %r0, %r1
  46  int_add_jump_if_ovf L5, %i3, %i1 -> %i3
  52  new <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000555aa781afa8> -> %r2
  56  setfield_gc_r %r2, %r1, FieldDescr<stringpiece.buf>
  61  getfield_gc_r %r0, FieldDescr<stringbuilder.extra_pieces> -> %r1
  66  setfield_gc_r %r2, %r1, FieldDescr<stringpiece.prev_piece>
  71  setfield_gc_i %r0, %i3, FieldDescr<stringbuilder.total_size>
  76  setfield_gc_r %r0, %r2, FieldDescr<stringbuilder.extra_pieces>
  81  void_return
  82  ---
  82  L5:
  82  L6:
  82  getfield_gc_i %r0, FieldDescr<stringbuilder.current_end> -> %i3
  87  getfield_gc_i %r0, FieldDescr<stringbuilder.current_pos> -> %i2
  92  int_sub %i3, %i2 -> %i3
  96  getfield_gc_r %r0, FieldDescr<stringbuilder.current_buf> -> %r2
 101  copystrcontent %r1, %r2, %i0, %i2, %i3
 107  int_add %i0, %i3 -> %i2
 111  int_sub %i1, %i3 -> %i3
 115  inline_call_ir_v <JitCode 'll_grow_by__stringbuilderPtr_Signed'>, I[%i3], R[%r0]
 122  -live- %i2, %i3, %r0, %r1
 125  setfield_gc_i %r0, %i3, FieldDescr<stringbuilder.current_pos>
 130  getfield_gc_r %r0, FieldDescr<stringbuilder.current_buf> -> %r2
 135  copystrcontent %r1, %r2, %i2, $0, %i3
 141  void_return
 142  ---
 142  L4:
 142  goto L6
 145  ---
 145  L3:
 145  goto L6
 148  ---
 148  L2:
 148  goto L6
 151  ---
 151  L1:
 151  goto L6
