vm/opto/memnode.cpp

4069 // This use of top is named "empty_memory()", or "empty_mem" (no-memory) as a variable.
4105   Node* empty_memory = (Node*) Compile::current()->top();
4106   assert(empty_memory->is_top(), "correct sentinel identity");
4107   return empty_memory;
4120   assert(empty_memory() == empty_mem, "");
4124     assert(mdef->empty_memory() == empty_mem, "consistent sentinels");
4151   Node* empty_mem = empty_memory();
4176   Node* empty_mem = empty_memory();
4346   Node* empty_mem = empty_memory();
4399   if (n == m->empty_memory()) {
4433   Node* n = alias_idx < req() ? in(alias_idx) : empty_memory();
4465   Node* empty_mem = empty_memory();
4496         set_req(i, empty_memory());
4503   Node* empty_mem = empty_memory();
4532   if (mem == n)  return true;  // might be empty_memory()