hg: jdk9/hs-comp/hotspot: 8072422: Cleanup: Remove some unused flags/code in loop optimizations

[zoltan.majo at oracle.com]

Changeset: a1e41855499b
Author:    zmajo
Date:      2016-04-04 12:52 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/a1e41855499b

8072422: Cleanup: Remove some unused flags/code in loop optimizations
Summary: Remove unused flags, change test using them.
Reviewed-by: kvn, twisti

! src/share/vm/opto/c2_globals.hpp
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/loopPredicate.cpp
! src/share/vm/opto/loopTransform.cpp
! src/share/vm/opto/loopUnswitch.cpp
! src/share/vm/opto/loopnode.cpp
! src/share/vm/opto/parse1.cpp
! test/compiler/loopopts/TestCastIINoLoopLimitCheck.java