   0  residual_call_r_i $<* fn _ll_0_raw_malloc_fixedsize_zero___>, R[], <CallDescr() EF=5> -> %i5
   6  -live- %i0, %i1, %i2, %i3, %i4, %i5
   9  residual_call_ir_v $<* fn _ll_1_gc_add_memory_pressure__Signed>, I[$112], R[], <CallDescr(i) EF=7>
  16  -live- %i0, %i1, %i2, %i3, %i4, %i5
  19  inline_call_ir_i <JitCode '_deflateInit2'>, I[%i5, %i0, %i1, %i2, %i3, %i4], R[] -> %i0
  31  -live- %i0, %i5
  34  switch %i0, <SwitchDictDescr -2:L1, 0:L2>
  38  inline_call_ir_r <JitCode 'fromstream'>, I[%i5, %i0], R[$<* struct rpy_string>] -> %r0
  47  -live- %i5, %r0
  50  catch_exception L3
  53  assert_not_none %r0
  55  -live- %i5, %r0
  58  guard_class %r0 -> %i0
  61  L4:
  61  residual_call_ir_v $<* fn _ll_1_raw_free__z_streamPtr>, I[%i5], R[], <CallDescr(i) EF=2 OS_RAW_FREE>
  68  -live- %r0
  71  raise %r0
  73  ---
  73  L3:
  73  last_exception -> %i0
  75  last_exc_value -> %r0
  77  residual_call_ir_v $<* fn _ll_1_raw_free__z_streamPtr>, I[%i5], R[], <CallDescr(i) EF=2 OS_RAW_FREE>
  84  -live- %r0
  87  raise %r0
  89  ---
  89  L1:
  89  -live- %i5
  92  int_copy $<* struct object_vtable> -> %i0
  95  ref_copy $<* struct exceptions.Exception> -> %r0
  98  goto L4
 101  ---
 101  L2:
 101  -live- %i5
 104  int_return %i5
