src/share/vm/opto/node.cpp

rev 6519 : 8026796: Make replace_in_map() on parent maps generic
Summary: propagate node replacements along control flow edges to callers
Reviewed-by:
rev 6520 : [mq]: replaceinmap-8026796-reviews

*** 512,521 ****
--- 512,524 ----
    }
    // cloning CallNode may need to clone JVMState
    if (n->is_Call()) {
      n->as_Call()->clone_jvms(C);
    }
+   if (n->is_SafePoint()) {
+     n->as_SafePoint()->clone_replaced_nodes();
+   }
    return n;                     // Return the clone
  }
  
  //---------------------------setup_is_top--------------------------------------
  // Call this when changing the top node, to reassert the invariants
*** 607,616 ****
--- 610,622 ----
      compile->remove_macro_node(this);
    }
    if (is_expensive()) {
      compile->remove_expensive_node(this);
    }
+   if (is_SafePoint()) {
+     as_SafePoint()->delete_replaced_nodes();
+   }
  #ifdef ASSERT
    // We will not actually delete the storage, but we'll make the node unusable.
    *(address*)this = badAddress;  // smash the C++ vtbl, probably
    _in = _out = (Node**) badAddress;
    _max = _cnt = _outmax = _outcnt = 0;