--- a/hotspot/src/share/vm/opto/loopopts.cpp Fri Jul 25 11:32:56 2008 -0700
+++ b/hotspot/src/share/vm/opto/loopopts.cpp Fri Jul 25 15:54:23 2008 -0700
@@ -1891,18 +1891,19 @@
_igvn.hash_delete(use);
use->set_req(j, n_clone);
_igvn._worklist.push(use);
+ Node* use_c;
if (!use->is_Phi()) {
- Node* use_c = has_ctrl(use) ? get_ctrl(use) : use->in(0);
- set_ctrl(n_clone, use_c);
- assert(!loop->is_member(get_loop(use_c)), "should be outside loop");
- get_loop(use_c)->_body.push(n_clone);
+ use_c = has_ctrl(use) ? get_ctrl(use) : use->in(0);
} else {
// Use in a phi is considered a use in the associated predecessor block
- Node *prevbb = use->in(0)->in(j);
- set_ctrl(n_clone, prevbb);
- assert(!loop->is_member(get_loop(prevbb)), "should be outside loop");
- get_loop(prevbb)->_body.push(n_clone);
+ use_c = use->in(0)->in(j);
}
+ if (use_c->is_CountedLoop()) {
+ use_c = use_c->in(LoopNode::EntryControl);
+ }
+ set_ctrl(n_clone, use_c);
+ assert(!loop->is_member(get_loop(use_c)), "should be outside loop");
+ get_loop(use_c)->_body.push(n_clone);
_igvn.register_new_node_with_optimizer(n_clone);
#if !defined(PRODUCT)
if (TracePartialPeeling) {