6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint
Summary: Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.
Reviewed-by: never

Summary: Use MDO to cache arguments escape state determined by the byte code escape analyzer.
Reviewed-by: never

Summary: Mangling the unused space is having an adverse affect on testing with fastdebug builds so turn it off by default.
Reviewed-by: ysr, tonyp

Summary: Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed.
Reviewed-by: rasbold, never

Summary: C2 crashed in StoreCMNode::Value because n->in(MemNode::OopStore) is 0.
Reviewed-by: rasbold, never

Summary: java constructors should be inlined to be able scalar replace a new object
Reviewed-by: rasbold

Summary: dump full ideal graph takes forever.
Reviewed-by: never, rasbold

Summary: Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation.
Reviewed-by: rasbold

Summary: During split unique types EA could exceed nodes limit and fail the method compilation.
Reviewed-by: rasbold

6671250: In Parse::do_if() old Cmp node 'c' should be replaced with new one after BoolNode transformation
Summary: In Parse::do_if() 'c' (CmpNode) node may be changed during BoolNode transformation so 'c' may became dead but the node is referenced later in the code.
Reviewed-by: never

Summary: Default values set by cms ergonomics are set with FLAG_SET_DEFAULT so down stream the values look like the default values and affect how later parameters are set.  Set these values with FLAG_SET_ERGO instead and adjust how later parameters are interpreted.
Reviewed-by: iveresov, apetrusenko, pbk, ysr

Summary: this optimization causes problems (sizes of Load and Store nodes do not match) for objects initialization code and Escape Analysis
Reviewed-by: jrose, never

Summary: float CMove generation add duplicated CMPF if there are more then one Move depending on the condition.
Reviewed-by: jrose, never, rasbold

Summary: Reduce the amount of related code replication and improve pretty printing.
Reviewed-by: jmasa

Summary: generate_arraycopy() does not check the size of allocated array.
Reviewed-by: jrose, never

Summary: CmpP could be optimized out if it compares new allocated objects.
Reviewed-by: jrose, never, rasbold

Summary: set_req_X() puts dependent nodes on IGVN worklist which allows to improve graph and gives more opportunities for EA scalar replacement.
Reviewed-by: jrose, never

Summary: A mergemem node could be not in worklist_store but in should_not_repeat vectorset since it was processed and removed from worklist_store before.
Reviewed-by: jrose, never

Summary: dependency check must treat polymorphic interfaces consistently
Reviewed-by: kvn, never, sgoldman

Summary: Deal more gracefully with situations where C-heap scratch space cannot be had
Reviewed-by: jmasa

Summary: T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.
Reviewed-by: jrose

Summary: AdapterHandlerLibrary::get_create_adapter_index() returns incorrect value (-2) when CodeCache is full.
Reviewed-by: sgoldman

Summary: Use the same default number of GC threads as used by ParNewGC and ConcMarkSweepGC (i.e., the 5/8th rule).
Reviewed-by: ysr, tonyp

Summary: _is_compilable check prevents breakpoint bytecodes reversion when loading bytecodes for ciMethod.
Reviewed-by: never

Summary: After an exception handler block is split the exception information is not moved to the new block which starts in exception handler BCI.
Reviewed-by: jrose

Summary: Use correct allocation path in expand_and_allocate() so object's mark and p-bits are set as appropriate.
Reviewed-by: jmasa, pbk

Summary: OopMapValue and VMRegImpl classes miss the virtual method print_on(st).
Reviewed-by: rasbold, jrose, never

Summary: A node is not processed in dump_nodes() if it was visited during processing previous inputs.
Reviewed-by: rasbold

Summary: Backed out part of cahnge for 6624765 because of nightly testing regressions.  Reviewers below were for 6624765.
Reviewed-by: ysr, apetrusenko

Summary: Take lock conditionally (in asynchronous mode only) when updating the dead-object map.
Reviewed-by: jmasa

Summary: In verification take into account partial coverage of a region by a card and expansion of the card table.
Reviewed-by: ysr, apetrusenko

Summary: '* HeapWordSize' is missing in GraphKit::set_output_for_allocation()
Reviewed-by: rasbold, jrose, never

Summary: Disable parallel reference processing when there are no worker threads
Reviewed-by: apetrusenko, pbk, jmasa, tonyp

Summary: convert strings from Download Manager into native encoding in the VM
Reviewed-by: sbohne, never, phh, kamg, xlu

Summary: Revert back to using the default page size for the card table
Reviewed-by: pbk, phh

Reviewed-by: sbohne, xlu

Reviewed-by: kvn, rasbold

Reviewed-by: jcoomes