hg: jdk/sandbox: 8203915: Induction variable of over-unrolled loop conflicts with range checks

[chris.hegarty at oracle.com]

Changeset: d9936e986e4f
Author:    thartmann
Date:      2018-06-14 09:04 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d9936e986e4f

8203915: Induction variable of over-unrolled loop conflicts with range checks
Summary: Update skeleton predicates before main loop during unrolling to remove dead code.
Reviewed-by: kvn, roland

! src/hotspot/share/opto/loopPredicate.cpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopnode.hpp
! test/hotspot/jtreg/compiler/loopopts/IterationSplitPredicateInconsistency.java
! test/hotspot/jtreg/compiler/loopopts/TestOverunrolling.java