hg: shenandoah/jdk9/hotspot: profile based loop predication

[rwestrel at redhat.com]

Changeset: 17133d203788
Author:    roland
Date:      2017-03-06 15:24 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/17133d203788

profile based loop predication

! src/share/vm/opto/c2_globals.hpp
! src/share/vm/opto/loopPredicate.cpp
! src/share/vm/opto/loopTransform.cpp
! src/share/vm/opto/loopnode.hpp
! src/share/vm/opto/opaquenode.cpp
! src/share/vm/runtime/arguments.cpp