   0  getfield_gc_i_pure %r0, FieldDescr<pypy.interpreter.gateway.BuiltinActivation_UwS_W_FileIO_ObjSpace_W_Root.inst_behavior> -> %i0
   5  getarrayitem_gc_r %r1, $0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aac88c19f0> -> %r0
  11  inline_call_ir_r <JitCode 'interp_w__W_FileIO'>, I[$False], R[%r0] -> %r0
  19  -live- %i0, %r0, %r1
  19  getarrayitem_gc_r %r1, $1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aac88c19f0> -> %r1
  25  -live- %i0, %r0, %r1
  25  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3, 3:L4>
  29  unreachable
  30  ---
  30  L1:
  30  -live- %r0, %r1
  30  inline_call_r_r <JitCode 'W_FileIO.write_w'>, R[%r0, %r1] -> %r0
  37  -live- %r0
  37  ref_return %r0
  39  ---
  39  L2:
  39  -live- %r0, %r1
  39  inline_call_r_r <JitCode 'W_FileIO.read_w'>, R[%r0, %r1] -> %r0
  46  -live- %r0
  46  ref_return %r0
  48  ---
  48  L3:
  48  -live- %r0, %r1
  48  inline_call_r_r <JitCode 'W_FileIO.readinto_w'>, R[%r0, %r1] -> %r0
  55  -live- %r0
  55  ref_return %r0
  57  ---
  57  L4:
  57  -live- %r0, %r1
  57  inline_call_r_r <JitCode 'W_FileIO.truncate_w'>, R[%r0, %r1] -> %r0
  64  -live- %r0
  64  ref_return %r0
