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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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9
hotspot/src/share/vm/opto/macro.cpp
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@ -135,8 +135,7 @@ CallNode* PhaseMacroExpand::make_slow_call(CallNode *oldcall, const TypeFunc* sl
if (parm1 != NULL) call->init_req(TypeFunc::Parms+1, parm1);
copy_call_debug_info(oldcall, call);
call->set_cnt(PROB_UNLIKELY_MAG(4)); // Same effect as RC_UNCOMMON.
_igvn.hash_delete(oldcall);
_igvn.subsume_node(oldcall, call);
_igvn.replace_node(oldcall, call);
transform_later(call);
return call;
@ -523,8 +522,7 @@ Node *PhaseMacroExpand::value_from_mem(Node *sfpt_mem, BasicType ft, const Type
// Kill all new Phis
while(value_phis.is_nonempty()) {
Node* n = value_phis.node();
_igvn.hash_delete(n);
_igvn.subsume_node(n, C->top());
_igvn.replace_node(n, C->top());
value_phis.pop();
}
}
@ -1311,8 +1309,7 @@ void PhaseMacroExpand::expand_allocate_common(
if (!always_slow) {
call->set_cnt(PROB_UNLIKELY_MAG(4)); // Same effect as RC_UNCOMMON.
}
_igvn.hash_delete(alloc);
_igvn.subsume_node(alloc, call);
_igvn.replace_node(alloc, call);
transform_later(call);
// Identify the output projections from the allocate node and