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8356780: PhaseMacroExpand::_has_locks is unused

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Reviewed-by: mhaessig, chagedorn, kvn, mchevalier
This commit is contained in:
Benoît Maillard 2025-06-10 07:27:10 +00:00 committed by Marc Chevalier
parent ca7b885873
commit 7c9c8ba363
2 changed files with 2 additions and 7 deletions
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2
src/hotspot/share/opto/macro.cpp
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@ -2407,7 +2407,6 @@ void PhaseMacroExpand::eliminate_macro_nodes() {
}
}
// Next, attempt to eliminate allocations
_has_locks = false;
progress = true;
while (progress) {
progress = false;
@ -2431,7 +2430,6 @@ void PhaseMacroExpand::eliminate_macro_nodes() {
case Node::Class_Lock:
case Node::Class_Unlock:
assert(!n->as_AbstractLock()->is_eliminated(), "sanity");
_has_locks = true;
break;
case Node::Class_ArrayCopy:
break;

7
src/hotspot/share/opto/macro.hpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -83,9 +83,6 @@ private:
// projections extracted from a call node
CallProjections _callprojs;
// Additional data collected during macro expansion
bool _has_locks;
void expand_allocate(AllocateNode *alloc);
void expand_allocate_array(AllocateArrayNode *alloc);
void expand_allocate_common(AllocateNode* alloc,
@ -199,7 +196,7 @@ private:
Node* make_arraycopy_load(ArrayCopyNode* ac, intptr_t offset, Node* ctl, Node* mem, BasicType ft, const Type *ftype, AllocateNode *alloc);
public:
PhaseMacroExpand(PhaseIterGVN &igvn) : Phase(Macro_Expand), _igvn(igvn), _has_locks(false) {
PhaseMacroExpand(PhaseIterGVN &igvn) : Phase(Macro_Expand), _igvn(igvn) {
_igvn.set_delay_transform(true);
}