Mercurial > hg > truffle

comparison src/share/vm/opto/chaitin.cpp @ 17795:a9becfeecd1b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge
author kvn
date Wed, 22 Jan 2014 17:42:23 -0800
parents df8573b1a44c 15120a36272d
children 04e7587c97dc 78bbf4d43a14
comparison
equal deleted inserted replaced
17794:3514ee402842 17795:a9becfeecd1b
1680 // Initialize it once and make it shared: 1680 // Initialize it once and make it shared:
1681 // set control to _root and place it into Start block 1681 // set control to _root and place it into Start block
1682 // (where top() node is placed). 1682 // (where top() node is placed).
1683 base->init_req(0, _cfg.get_root_node()); 1683 base->init_req(0, _cfg.get_root_node());
1684 Block *startb = _cfg.get_block_for_node(C->top()); 1684 Block *startb = _cfg.get_block_for_node(C->top());
1685 startb->insert_node(base, startb->find_node(C->top())); 1685 uint node_pos = startb->find_node(C->top());
1686 startb->insert_node(base, node_pos);
1686 _cfg.map_node_to_block(base, startb); 1687 _cfg.map_node_to_block(base, startb);
1687 assert(_lrg_map.live_range_id(base) == 0, "should not have LRG yet"); 1688 assert(_lrg_map.live_range_id(base) == 0, "should not have LRG yet");
1689
1690 // The loadConP0 might have projection nodes depending on architecture
1691 // Add the projection nodes to the CFG
1692 for (DUIterator_Fast imax, i = base->fast_outs(imax); i < imax; i++) {
1693 Node* use = base->fast_out(i);
1694 if (use->is_MachProj()) {
1695 startb->insert_node(use, ++node_pos);
1696 _cfg.map_node_to_block(use, startb);
1697 new_lrg(use, maxlrg++);
1698 }
1699 }
1688 } 1700 }
1689 if (_lrg_map.live_range_id(base) == 0) { 1701 if (_lrg_map.live_range_id(base) == 0) {
1690 new_lrg(base, maxlrg++); 1702 new_lrg(base, maxlrg++);
1691 } 1703 }
1692 assert(base->in(0) == _cfg.get_root_node() && _cfg.get_block_for_node(base) == _cfg.get_block_for_node(C->top()), "base NULL should be shared"); 1704 assert(base->in(0) == _cfg.get_root_node() && _cfg.get_block_for_node(base) == _cfg.get_block_for_node(C->top()), "base NULL should be shared");