1703 Node* control, Node* rawmem, Node* object,
1704 Node* klass_node, Node* length,
1705 Node* size_in_bytes) {
1706 InitializeNode* init = alloc->initialization();
1707 // Store the klass & mark bits
1708 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem, klass_node);
1709 if (!mark_node->is_Con()) {
1710 transform_later(mark_node);
1711 }
1712 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1713
1714 BasicType bt = T_METADATA;
1715 Node* metadata = klass_node;
1716 Node* properties = alloc->in(AllocateNode::StorageProperties);
1717 if (properties != NULL) {
1718 // Encode array storage properties into klass pointer
1719 assert(EnableValhalla, "array storage properties not supported");
1720 if (UseCompressedClassPointers) {
1721 // Compress the klass pointer before inserting the storage properties value
1722 metadata = transform_later(new EncodePKlassNode(metadata, metadata->bottom_type()->make_narrowklass()));
1723 }
1724 metadata = transform_later(new CastP2XNode(NULL, metadata));
1725 metadata = transform_later(new OrXNode(metadata, properties));
1726 bt = T_LONG;
1727 if (UseCompressedClassPointers) {
1728 bt = T_INT;
1729 metadata = transform_later(new ConvL2INode(metadata));
1730 }
1731 }
1732 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), metadata, bt);
1733
1734 int header_size = alloc->minimum_header_size(); // conservatively small
1735
1736 // Array length
1737 if (length != NULL) { // Arrays need length field
1738 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1739 // conservatively small header size:
1740 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1741 ciKlass* k = _igvn.type(klass_node)->is_klassptr()->klass();
1742 if (k->is_array_klass()) // we know the exact header size in most cases:
1743 header_size = Klass::layout_helper_header_size(k->layout_helper());
1744 }
1745
1746 // Clear the object body, if necessary.
1747 if (init == NULL) {
1748 // The init has somehow disappeared; be cautious and clear everything.
1749 //
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1703 Node* control, Node* rawmem, Node* object,
1704 Node* klass_node, Node* length,
1705 Node* size_in_bytes) {
1706 InitializeNode* init = alloc->initialization();
1707 // Store the klass & mark bits
1708 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem, klass_node);
1709 if (!mark_node->is_Con()) {
1710 transform_later(mark_node);
1711 }
1712 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1713
1714 BasicType bt = T_METADATA;
1715 Node* metadata = klass_node;
1716 Node* properties = alloc->in(AllocateNode::StorageProperties);
1717 if (properties != NULL) {
1718 // Encode array storage properties into klass pointer
1719 assert(EnableValhalla, "array storage properties not supported");
1720 if (UseCompressedClassPointers) {
1721 // Compress the klass pointer before inserting the storage properties value
1722 metadata = transform_later(new EncodePKlassNode(metadata, metadata->bottom_type()->make_narrowklass()));
1723 metadata = transform_later(new CastN2INode(metadata));
1724 metadata = transform_later(new OrINode(metadata, transform_later(new ConvL2INode(properties))));
1725 bt = T_INT;
1726 } else {
1727 metadata = transform_later(new CastP2XNode(NULL, metadata));
1728 metadata = transform_later(new OrXNode(metadata, properties));
1729 bt = T_LONG;
1730 }
1731 }
1732 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), metadata, bt);
1733
1734 int header_size = alloc->minimum_header_size(); // conservatively small
1735
1736 // Array length
1737 if (length != NULL) { // Arrays need length field
1738 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1739 // conservatively small header size:
1740 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1741 ciKlass* k = _igvn.type(klass_node)->is_klassptr()->klass();
1742 if (k->is_array_klass()) // we know the exact header size in most cases:
1743 header_size = Klass::layout_helper_header_size(k->layout_helper());
1744 }
1745
1746 // Clear the object body, if necessary.
1747 if (init == NULL) {
1748 // The init has somehow disappeared; be cautious and clear everything.
1749 //
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