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6677629: PhaseIterGVN::subsume_node() should call hash_delete() and add_users_to_worklist()

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Use replace_node() method instead of subsume_node().

Reviewed-by: jrose, never
This commit is contained in:
Vladimir Kozlov 2010-06-28 14:54:39 -07:00
parent 8a416b2365
commit 448b83e288
11 changed files with 40 additions and 71 deletions
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6
hotspot/src/share/vm/opto/ifnode.cpp
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@ -1081,11 +1081,9 @@ static IfNode* idealize_test(PhaseGVN* phase, IfNode* iff) {
igvn->register_new_node_with_optimizer(new_if_f);
igvn->register_new_node_with_optimizer(new_if_t);
igvn->hash_delete(old_if_f);
igvn->hash_delete(old_if_t);
// Flip test, so flip trailing control
igvn->subsume_node(old_if_f, new_if_t);
igvn->subsume_node(old_if_t, new_if_f);
igvn->replace_node(old_if_f, new_if_t);
igvn->replace_node(old_if_t, new_if_f);
// Progress
return iff;