1663 rawmem = new ProjNode(call, TypeFunc::Memory);
1664 transform_later(rawmem);
1665 }
1666 }
1667
1668 // Helper for PhaseMacroExpand::expand_allocate_common.
1669 // Initializes the newly-allocated storage.
1670 Node*
1671 PhaseMacroExpand::initialize_object(AllocateNode* alloc,
1672 Node* control, Node* rawmem, Node* object,
1673 Node* klass_node, Node* length,
1674 Node* size_in_bytes) {
1675 InitializeNode* init = alloc->initialization();
1676 // Store the klass & mark bits
1677 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem);
1678 if (!mark_node->is_Con()) {
1679 transform_later(mark_node);
1680 }
1681 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1682
1683 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), klass_node, T_METADATA);
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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1663 rawmem = new ProjNode(call, TypeFunc::Memory);
1664 transform_later(rawmem);
1665 }
1666 }
1667
1668 // Helper for PhaseMacroExpand::expand_allocate_common.
1669 // Initializes the newly-allocated storage.
1670 Node*
1671 PhaseMacroExpand::initialize_object(AllocateNode* alloc,
1672 Node* control, Node* rawmem, Node* object,
1673 Node* klass_node, Node* length,
1674 Node* size_in_bytes) {
1675 InitializeNode* init = alloc->initialization();
1676 // Store the klass & mark bits
1677 Node* mark_node = alloc->make_ideal_mark(&_igvn, object, control, rawmem);
1678 if (!mark_node->is_Con()) {
1679 transform_later(mark_node);
1680 }
1681 rawmem = make_store(control, rawmem, object, oopDesc::mark_offset_in_bytes(), mark_node, TypeX_X->basic_type());
1682
1683 #ifndef _LP64
1684 rawmem = make_store(control, rawmem, object, oopDesc::klass_offset_in_bytes(), klass_node, T_METADATA);
1685 #endif
1686 int header_size = alloc->minimum_header_size(); // conservatively small
1687
1688 // Array length
1689 if (length != NULL) { // Arrays need length field
1690 rawmem = make_store(control, rawmem, object, arrayOopDesc::length_offset_in_bytes(), length, T_INT);
1691 // conservatively small header size:
1692 header_size = arrayOopDesc::base_offset_in_bytes(T_BYTE);
1693 ciKlass* k = _igvn.type(klass_node)->is_klassptr()->klass();
1694 if (k->is_array_klass()) // we know the exact header size in most cases:
1695 header_size = Klass::layout_helper_header_size(k->layout_helper());
1696 }
1697
1698 // Clear the object body, if necessary.
1699 if (init == NULL) {
1700 // The init has somehow disappeared; be cautious and clear everything.
1701 //
1702 // This can happen if a node is allocated but an uncommon trap occurs
1703 // immediately. In this case, the Initialize gets associated with the
1704 // trap, and may be placed in a different (outer) loop, if the Allocate
1705 // is in a loop. If (this is rare) the inner loop gets unrolled, then
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