Java Node.isDeleted Examples

Example #1

File: GraphUtil.java Project: rjsingh/graal

  public static void propagateKill(Node node) {
    if (node != null && node.isAlive()) {
      List<Node> usagesSnapshot = node.usages().filter(isFloatingNode()).snapshot();

      // null out remaining usages
      node.replaceAtUsages(null);
      node.replaceAtPredecessor(null);
      killWithUnusedFloatingInputs(node);

      for (Node usage : usagesSnapshot) {
        if (!usage.isDeleted()) {
          if (usage instanceof PhiNode) {
            usage.replaceFirstInput(node, null);
          } else {
            propagateKill(usage);
          }
        }
      }
    }
  }