src/share/vm/opto/node.cpp

rev 7884 : 8073480: C2 should optimize explicit range checks
Summary: explicit range checks should be recognized by C2
Reviewed-by:

*** 2067,2077 ****
  }
  
  
  //--------------------------unique_ctrl_out------------------------------
  // Return the unique control out if only one. Null if none or more than one.
! Node* Node::unique_ctrl_out() {
    Node* found = NULL;
    for (uint i = 0; i < outcnt(); i++) {
      Node* use = raw_out(i);
      if (use->is_CFG() && use != this) {
        if (found != NULL) return NULL;
--- 2067,2077 ----
  }
  
  
  //--------------------------unique_ctrl_out------------------------------
  // Return the unique control out if only one. Null if none or more than one.
! Node* Node::unique_ctrl_out() const {
    Node* found = NULL;
    for (uint i = 0; i < outcnt(); i++) {
      Node* use = raw_out(i);
      if (use->is_CFG() && use != this) {
        if (found != NULL) return NULL;