1660 rawmem = new ProjNode(call, TypeFunc::Memory);
1661 transform_later(rawmem);
1662 }
1663 }
1664
1665 // Helper for PhaseMacroExpand::expand_allocate_common.
1666 // Initializes the newly-allocated storage.
1667 Node*
1668 PhaseMacroExpand::initialize_object(AllocateNode* alloc,
1669 Node* control, Node* rawmem, Node* object,
1670 Node* klass_node, Node* length,
1671 Node* size_in_bytes) {
1672 InitializeNode* init = alloc->initialization();
1673 // Store the klass & mark bits
1674 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem);
1675 if (!mark_node->is_Con()) {
1676 transform_later(mark_node);
1677 }
1678 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1679
1680 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), klass_node, T_METADATA);
1681 int header_size = alloc->minimum_header_size(); // conservatively small
1682
1683 // Array length
1684 if (length != NULL) { // Arrays need length field
1685 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1686 // conservatively small header size:
1687 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1688 ciKlass* k = _igvn.type(klass_node)->is_klassptr()->klass();
1689 if (k->is_array_klass()) // we know the exact header size in most cases:
1690 header_size = Klass::layout_helper_header_size(k->layout_helper());
1691 }
1692
1693 // Clear the object body, if necessary.
1694 if (init == NULL) {
1695 // The init has somehow disappeared; be cautious and clear everything.
1696 //
1697 // This can happen if a node is allocated but an uncommon trap occurs
1698 // immediately. In this case, the Initialize gets associated with the
1699 // trap, and may be placed in a different (outer) loop, if the Allocate
1700 // is in a loop. If (this is rare) the inner loop gets unrolled, then
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1660 rawmem = new ProjNode(call, TypeFunc::Memory);
1661 transform_later(rawmem);
1662 }
1663 }
1664
1665 // Helper for PhaseMacroExpand::expand_allocate_common.
1666 // Initializes the newly-allocated storage.
1667 Node*
1668 PhaseMacroExpand::initialize_object(AllocateNode* alloc,
1669 Node* control, Node* rawmem, Node* object,
1670 Node* klass_node, Node* length,
1671 Node* size_in_bytes) {
1672 InitializeNode* init = alloc->initialization();
1673 // Store the klass & mark bits
1674 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem);
1675 if (!mark_node->is_Con()) {
1676 transform_later(mark_node);
1677 }
1678 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1679
1680 if (!UseCompactObjectHeaders) {
1681 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), klass_node, T_METADATA);
1682 }
1683
1684 int header_size = alloc->minimum_header_size(); // conservatively small
1685
1686 // Array length
1687 if (length != NULL) { // Arrays need length field
1688 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1689 // conservatively small header size:
1690 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1691 ciKlass* k = _igvn.type(klass_node)->is_klassptr()->klass();
1692 if (k->is_array_klass()) // we know the exact header size in most cases:
1693 header_size = Klass::layout_helper_header_size(k->layout_helper());
1694 }
1695
1696 // Clear the object body, if necessary.
1697 if (init == NULL) {
1698 // The init has somehow disappeared; be cautious and clear everything.
1699 //
1700 // This can happen if a node is allocated but an uncommon trap occurs
1701 // immediately. In this case, the Initialize gets associated with the
1702 // trap, and may be placed in a different (outer) loop, if the Allocate
1703 // is in a loop. If (this is rare) the inner loop gets unrolled, then
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