8029446: assert(_cfg.get_block_for_node(proj) == borig) failed: incorrect block for kill projections
Summary: Added loadConP0 projection node to block in case of re-materialization of the loadConP0. x86_64 only.
Reviewed-by: kvn
--- a/hotspot/src/share/vm/opto/chaitin.cpp Wed Jan 08 09:49:31 2014 +0100
+++ b/hotspot/src/share/vm/opto/chaitin.cpp Wed Jan 08 12:05:19 2014 +0100
@@ -1682,9 +1682,21 @@
// (where top() node is placed).
base->init_req(0, _cfg.get_root_node());
Block *startb = _cfg.get_block_for_node(C->top());
- startb->insert_node(base, startb->find_node(C->top()));
+ uint node_pos = startb->find_node(C->top());
+ startb->insert_node(base, node_pos);
_cfg.map_node_to_block(base, startb);
assert(_lrg_map.live_range_id(base) == 0, "should not have LRG yet");
+
+ // The loadConP0 might have projection nodes depending on architecture
+ // Add the projection nodes to the CFG
+ for (DUIterator_Fast imax, i = base->fast_outs(imax); i < imax; i++) {
+ Node* use = base->fast_out(i);
+ if (use->is_MachProj()) {
+ startb->insert_node(use, ++node_pos);
+ _cfg.map_node_to_block(use, startb);
+ new_lrg(use, maxlrg++);
+ }
+ }
}
if (_lrg_map.live_range_id(base) == 0) {
new_lrg(base, maxlrg++);