1689 rawmem = new ProjNode(call, TypeFunc::Memory);
1690 transform_later(rawmem);
1691 }
1692 }
1693
1694 // Helper for PhaseMacroExpand::expand_allocate_common.
1695 // Initializes the newly-allocated storage.
1696 Node*
1697 PhaseMacroExpand::initialize_object(AllocateNode* alloc,
1698 Node* control, Node* rawmem, Node* object,
1699 Node* klass_node, Node* length,
1700 Node* size_in_bytes) {
1701 InitializeNode* init = alloc->initialization();
1702 // Store the klass & mark bits
1703 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem);
1704 if (!mark_node->is_Con()) {
1705 transform_later(mark_node);
1706 }
1707 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1708
1709 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), klass_node, T_METADATA);
1710 int header_size = alloc->minimum_header_size(); // conservatively small
1711
1712 // Array length
1713 if (length != nullptr) { // Arrays need length field
1714 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1715 // conservatively small header size:
1716 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1717 if (_igvn.type(klass_node)->isa_aryklassptr()) { // we know the exact header size in most cases:
1718 BasicType elem = _igvn.type(klass_node)->is_klassptr()->as_instance_type()->isa_aryptr()->elem()->array_element_basic_type();
1719 if (is_reference_type(elem, true)) {
1720 elem = T_OBJECT;
1721 }
1722 header_size = Klass::layout_helper_header_size(Klass::array_layout_helper(elem));
1723 }
1724 }
1725
1726 // Clear the object body, if necessary.
1727 if (init == nullptr) {
1728 // The init has somehow disappeared; be cautious and clear everything.
1729 //
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1689 rawmem = new ProjNode(call, TypeFunc::Memory);
1690 transform_later(rawmem);
1691 }
1692 }
1693
1694 // Helper for PhaseMacroExpand::expand_allocate_common.
1695 // Initializes the newly-allocated storage.
1696 Node*
1697 PhaseMacroExpand::initialize_object(AllocateNode* alloc,
1698 Node* control, Node* rawmem, Node* object,
1699 Node* klass_node, Node* length,
1700 Node* size_in_bytes) {
1701 InitializeNode* init = alloc->initialization();
1702 // Store the klass & mark bits
1703 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem);
1704 if (!mark_node->is_Con()) {
1705 transform_later(mark_node);
1706 }
1707 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1708
1709 if (!UseCompactObjectHeaders) {
1710 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), klass_node, T_METADATA);
1711 }
1712 int header_size = alloc->minimum_header_size(); // conservatively small
1713
1714 // Array length
1715 if (length != nullptr) { // Arrays need length field
1716 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1717 // conservatively small header size:
1718 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1719 if (_igvn.type(klass_node)->isa_aryklassptr()) { // we know the exact header size in most cases:
1720 BasicType elem = _igvn.type(klass_node)->is_klassptr()->as_instance_type()->isa_aryptr()->elem()->array_element_basic_type();
1721 if (is_reference_type(elem, true)) {
1722 elem = T_OBJECT;
1723 }
1724 header_size = Klass::layout_helper_header_size(Klass::array_layout_helper(elem));
1725 }
1726 }
1727
1728 // Clear the object body, if necessary.
1729 if (init == nullptr) {
1730 // The init has somehow disappeared; be cautious and clear everything.
1731 //
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