   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  int_signext $1, $4 -> %i1
  13  residual_call_ir_i $<* fn ccall_RPyThreadAcquireLock__struct_RPyOpaque_ThreadLockPtr_INT>, I[%i0, %i1], R[], <CallDescr(ii) EF=7> -> %i0
  22  -live-
  22  int_return $True
  24  ---
  24  L1:
  24  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rthread.Lock.inst__lock> -> %i0
  29  int_signext $0, $4 -> %i1
  33  residual_call_ir_i $<* fn RPyThreadAcquireLockTimed>, I[%i0, $0, %i1], R[], <CallDescr(iii) EF=2> -> %i0
  43  int_is_true %i0 -> %i0
  46  int_return %i0
