src/hotspot/share/opto/loopnode.cpp

rev 48500 : 8194988: 8 Null pointer dereference defect groups related to MultiNode::proj_out()

*** 68,80 ****
  bool LoopNode::is_valid_counted_loop() const {
    if (is_CountedLoop()) {
      CountedLoopNode*    l  = as_CountedLoop();
      CountedLoopEndNode* le = l->loopexit();
      if (le != NULL &&
!         le->proj_out(1 /* true */) == l->in(LoopNode::LoopBackControl)) {
        Node* phi  = l->phi();
!       Node* exit = le->proj_out(0 /* false */);
        if (exit != NULL && exit->Opcode() == Op_IfFalse &&
            phi != NULL && phi->is_Phi() &&
            phi->in(LoopNode::LoopBackControl) == l->incr() &&
            le->loopnode() == l && le->stride_is_con()) {
          return true;
--- 68,80 ----
  bool LoopNode::is_valid_counted_loop() const {
    if (is_CountedLoop()) {
      CountedLoopNode*    l  = as_CountedLoop();
      CountedLoopEndNode* le = l->loopexit();
      if (le != NULL &&
!         le->proj_out_or_null(1 /* true */) == l->in(LoopNode::LoopBackControl)) {
        Node* phi  = l->phi();
!       Node* exit = le->proj_out_or_null(0 /* false */);
        if (exit != NULL && exit->Opcode() == Op_IfFalse &&
            phi != NULL && phi->is_Phi() &&
            phi->in(LoopNode::LoopBackControl) == l->incr() &&
            le->loopnode() == l && le->stride_is_con()) {
          return true;
*** 1214,1224 ****
  IfFalseNode* OuterStripMinedLoopNode::outer_loop_exit() const {
    IfNode* le = outer_loop_end();
    if (le == NULL) {
      return NULL;
    }
!   Node* c = le->proj_out(false);
    if (c == NULL) {
      return NULL;
    }
    return c->as_IfFalse();
  }
--- 1214,1224 ----
  IfFalseNode* OuterStripMinedLoopNode::outer_loop_exit() const {
    IfNode* le = outer_loop_end();
    if (le == NULL) {
      return NULL;
    }
!   Node* c = le->proj_out_or_null(false);
    if (c == NULL) {
      return NULL;
    }
    return c->as_IfFalse();
  }