src/hotspot/share/ci/ciStreams.hpp

*** 219,228 ****
--- 219,229 ----
  
    // If this bytecode is a new, newarray, multianewarray, instanceof,
    // or checkcast, get the referenced klass.
    ciKlass* get_klass(bool& will_link);
    int get_klass_index() const;
+   bool is_klass_never_null() const;
  
    // If this bytecode is one of the ldc variants, get the referenced
    // constant.  Do not attempt to resolve it, since that would require
    // execution of Java code.  If it is not resolved, return an unloaded
    // object (ciConstant.as_object()->is_loaded() == false).
*** 285,294 ****
--- 286,303 ----
      } else {
        return _sig->type_at(_pos);
      }
    }
  
+   bool is_never_null() {
+     if (at_return_type()) {
+       return _sig->returns_never_null();
+     } else {
+       return _sig->is_never_null_at(_pos);
+     }
+   }
+ 
    // next klass in the signature
    ciKlass* next_klass() {
      ciKlass* sig_k;
      if (_holder != NULL) {
        sig_k = _holder;