   0  -live- %i0, %r0
   3  goto_if_not %i0, L1
   7  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rthread.Lock.inst__lock> -> %i0
  12  int_signext $1, $4 -> %i1
  16  residual_call_ir_i $<* fn ccall_RPyThreadAcquireLock__struct_RPyOpaque_ThreadLockPtr_INT>, I[%i0, %i1], R[], <CallDescr(ii) EF=7> -> %i0
  25  -live- %i0
  28  goto_if_not_int_ne %i0, $1, L2
  33  raise $<* struct object>
  35  ---
  35  L2:
  35  int_return $True
  37  ---
  37  L1:
  37  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rthread.Lock.inst__lock> -> %i0
  42  int_signext $0, $4 -> %i1
  46  residual_call_ir_i $<* fn RPyThreadAcquireLockTimed>, I[%i0, $0, %i1], R[], <CallDescr(iii) EF=2> -> %i0
  56  int_is_true %i0 -> %i0
  59  int_return %i0
