   0  int_signext %i1, $4 -> %i1
   4  int_signext %i2, $4 -> %i2
   8  int_signext %i3, $4 -> %i3
  12  int_signext %i4, $4 -> %i4
  16  int_signext %i5, $4 -> %i5
  20  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[$<* struct rpy_string>], <CallDescr(r) EF=5> -> %r0
  27  -live- %i0, %i1, %i2, %i3, %i4, %i5, %r0
  27  getfield_gc_i_pure %r0, FieldDescr<tuple2.item0> -> %i6
  32  getfield_gc_i_pure %r0, FieldDescr<tuple2.item1> -> %i7
  37  int_signext $112, $4 -> %i8
  41  residual_call_ir_i $<* fn ccall_deflateInit2___z_streamPtr_INT_INT_INT_INT_INT_arrayPtr_INT>, I[%i0, %i1, %i2, %i3, %i4, %i5, %i6, %i8], R[], <CallDescr(iiiiiiii) EF=7> -> %i0
  56  -live- %i0, %i6, %i7
  56  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i6, %i7], R[$<* struct rpy_string>], <CallDescr(rii) EF=2>
  65  int_return %i0
