   0  -live- %r0, %r1
   0  goto_if_not_ptr_iszero %r1, L1
   4  L2:
   4  residual_call_ir_r $<* fn W_BytearrayObject._strip_none>, I[$1, $1], R[%r0], <CallDescr(rii) EF=5> -> %r1
  14  -live- %r1
  14  ref_return %r1
  16  ---
  16  L1:
  16  inline_call_r_i <JitCode 'W_Root.is_w'>, R[$<* struct pypy.interpreter.baseobjspace.W_Root>, %r1] -> %i0
  23  -live- %i0, %r0, %r1
  23  -live- %i0, %r0, %r1
  23  goto_if_not %i0, L3
  27  goto L2
  30  ---
  30  L3:
  30  residual_call_ir_r $<* fn W_BytearrayObject._strip>, I[$1, $1], R[%r0, %r1, $<* struct rpy_string>], <CallDescr(rriir) EF=7> -> %r1
  42  -live- %r1
  42  ref_return %r1
