Reviewed-by: kvn
Contributed-by: hedongbo@huawei.com

Reviewed-by: kvn

Summary: don't convert loop with safepoint on the backedge to Counted loop
Reviewed-by: kvn

Summary: don't convert loop with safepoint on the backedge to Counted loop
Reviewed-by: kvn

Reviewed-by: kvn, vlivanov
Contributed-by: vlad.ureche@gmail.com

Reviewed-by: roland

Reviewed-by: kvn

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

8144487: PhaseIdealLoop::build_and_optimize() must restore major_progress flag if skip_loop_opts is true
Summary: Restore the major_progress flag before calling igvn.optimize().
Reviewed-by: kvn

Summary: Array.fill intrinsification code doesn't mark replaced control as dead
Reviewed-by: kvn

8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti

8039298: assert(base == NULL || t_adr->isa_rawptr() || !phase->type(base)->higher_equal(TypePtr::NULL_PTR))
Summary: Convert the assert into the runtime check to skip IGVN optimizations for problematic memory nodes. Eliminate dead nodes more aggressively.
Reviewed-by: twisti, iveresov

Summary: Added missing calls to record_for_igvn() in loop opts. Added verification of def-use domination.
Reviewed-by: iveresov

Summary: type information gets lost because replace_in_map() doesn't update parent maps
Reviewed-by: kvn, twisti

Reviewed-by: acorn, coleenp, sla
Contributed-by: NKaren Kinnear &lt;karen.kinnear@oracle.com&gt;, Bengt Rutisson &lt;bengt.rutisson@oracle.com&gt;, Calvin Cheung &lt;calvin.cheung@oracle.com&gt;, Erik Gahlin &lt;erik.gahlin@oracle.com&gt;, Erik Helin &lt;erik.helin@oracle.com&gt;, Jesper Wilhelmsson &lt;jesper.wilhelmsson@oracle.com&gt;, Keith McGuigan &lt;keith.mcguigan@oracle.com&gt;, Mattias Tobiasson &lt;mattias.tobiasson@oracle.com&gt;, Markus Gronlund &lt;markus.gronlund@oracle.com&gt;, Mikael Auno &lt;mikael.auno@oracle.com&gt;, Nils Eliasson &lt;nils.eliasson@oracle.com&gt;, Nils Loodin &lt;nils.loodin@oracle.com&gt;, Rickard Backman &lt;rickard.backman@oracle.com&gt;, Staffan Larsen &lt;staffan.larsen@oracle.com&gt;, Stefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

Summary: always transform AddP nodes in IdealKit by calling _gvn.transform().
Reviewed-by: roland, twisti

Summary: Add support for expensive nodes.
Reviewed-by: kvn

Summary: Replace all occurrences of long with jlong in C2 code.
Reviewed-by: kvn, twisti

Summary: Deleted placement new operator of Node - node(size_t, Compile *, int).
Reviewed-by: kvn, twisti
Contributed-by: bharadwaj.yadavalli@oracle.com

Summary: Do not remove safepoints during peeling optimization.
Reviewed-by: twisti

Summary: Added asm encoding and mach nodes for vector arithmetic instructions on x86.
Reviewed-by: roland

Summary: Increase vector size up to 256-bits for YMM AVX registers on x86.
Reviewed-by: never, twisti, roland

Summary: replace frequent C2 optimizer code patterns with new methods calls
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: Changed "return false" to "return NULL"
Reviewed-by: dholmes, rottenha
Contributed-by: dbhole@redhat.com

Summary: Don't split CMove node if it's control edge is different from split region.
Reviewed-by: never

Summary: Use dead nodes elimination code in PhaseIdealLoop before executing EA.
Reviewed-by: never, twisti

Summary: Try to eliminate allocations and related locks immediately after escape analysis.
Reviewed-by: never

Summary: Exact limit of empty loop calculated incorrectly.
Reviewed-by: iveresov, never

Summary: Revert changes which caused regression.
Reviewed-by: never

Summary: Use cl->is_valid_counted_loop() check.
Reviewed-by: never

Summary: Removed predicate cloning from loop peeling optimization and from split fall-in paths.
Reviewed-by: never

Summary: Keep 'ne' test in Counted loop when we can't guarantee during compilation that init < limit.
Reviewed-by: never

Summary: Fix integer overflow problem in the code generated by loop optimizer.
Reviewed-by: never

Summary: Add new policy for one iteration loops (mostly formal pre- loops).
Reviewed-by: never

Summary: Clone loop predicate for clonned loops
Reviewed-by: never

Reviewed-by: kvn

Summary: Add predicates when loop head bytecode is parsed instead of when back branch bytecode is parsed.
Reviewed-by: never

Summary: Add ResourceMark into PhaseIdealLoop::build_and_optimize().
Reviewed-by: never

Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

Reviewed-by: kvn