return enum;
return bbEnum;
  public OPT_BasicBlockEnumeration getEnum() {    return enum;  }  /**   * set the basic block enum field   * @param enum basic block enum   */  public void setEnum(OPT_BasicBlockEnumeration enum) {    this.enum = enum;  }  /**   * Helper method to return the Info field associated with a block   * @param block the block of interest   * @return the LTInfo info   */  public static OPT_LTDominatorInfo getInfo (OPT_BasicBlock block) {    return  (OPT_LTDominatorInfo)block.scratchObject;  }