   0  -live- %i0, %r0
   0  goto_if_not %i0, L1
   4  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rthread.Lock.inst__lock> -> %i0
   9  residual_call_ir_i $<* fn ccall_RPyThreadAcquireLock__struct_RPyOpaque_ThreadLockPtr_Signed>, I[%i0, $1], R[], <CallDescr(ii) EF=7> -> %i0
  18  -live-
  18  int_return $True
  20  ---
  20  L1:
  20  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rthread.Lock.inst__lock> -> %i0
  25  residual_call_irf_f $<* fn _ll_1_llong_from_int__Signed>, I[$0], R[], F[], <CallDescr(i) EF=0 OS_LLONG_FROM_INT> -> %f0
  34  residual_call_irf_i $<* fn RPyThreadAcquireLockTimed>, I[%i0, $0], R[], F[%f0], <CallDescr(iLi) EF=2> -> %i0
  45  int_is_true %i0 -> %i0
  48  int_return %i0
