hg: shenandoah/jdk: refactor memory graph utility functions

[rwestrel at redhat.com]

Changeset: f5e85bee7981
Author:    roland
Date:      2018-06-22 11:49 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/f5e85bee7981

refactor memory graph utility functions

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.hpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopopts.cpp