private void debugPrintDomChildren() {
    int szNodes = nodes.size();

    for (int i = 0; i < szNodes; i++) {
      SsaBasicBlock node = nodes.get(i);
      StringBuffer sb = new StringBuffer();

      sb.append('{');
      boolean comma = false;
      for (SsaBasicBlock child : node.getDomChildren()) {
        if (comma) {
          sb.append(',');
        }
        sb.append(child);
        comma = true;
      }
      sb.append('}');

      System.out.println("domChildren[" + node + "]: " + sb);
    }
  }
Calculates the dominance frontier information for the method.

@return {@code non-null;} an array of DomInfo structures
android/android_framework/dex-maker/src/main/java/com/android/dx/ssa/DomFront.java