src/share/vm/opto/connode.cpp

rev 3821 : [mq]: unused

*** 463,495 ****
    // Toned down to rescue meeting at a Phi 3 different oops all implementing
    // the same interface.  CompileTheWorld starting at 502, kd12rc1.zip.
    return (phase->type(in(1)) == phase->type(this)) ? in(1) : this;
  }
  
- // Determine whether "n" is a node which can cause an alias of one of its inputs.  Node types
- // which can create aliases are: CheckCastPP, Phi, and any store (if there is also a load from
- // the location.)
- // Note:  this checks for aliases created in this compilation, not ones which may
- //        be potentially created at call sites.
- static bool can_cause_alias(Node *n, PhaseTransform *phase) {
-   bool possible_alias = false;
- 
-   if (n->is_Store()) {
-     possible_alias = !n->as_Store()->value_never_loaded(phase);
-   } else {
-     int opc = n->Opcode();
-     possible_alias = n->is_Phi() ||
-         opc == Op_CheckCastPP ||
-         opc == Op_StorePConditional ||
-         opc == Op_CompareAndSwapP ||
-         opc == Op_CompareAndSwapN ||
-         opc == Op_GetAndSetP ||
-         opc == Op_GetAndSetN;
-   }
-   return possible_alias;
- }
- 
  //------------------------------Value------------------------------------------
  // Take 'join' of input and cast-up type, unless working with an Interface
  const Type *CheckCastPPNode::Value( PhaseTransform *phase ) const {
    if( in(0) && phase->type(in(0)) == Type::TOP ) return Type::TOP;
  
--- 463,472 ----