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/*
* Copyright (c) 1997, 2017, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "memory/allocation.inline.hpp"
#include "opto/addnode.hpp"
#include "opto/compile.hpp"
#include "opto/connode.hpp"
#include "opto/machnode.hpp"
#include "opto/matcher.hpp"
#include "opto/memnode.hpp"
#include "opto/phaseX.hpp"
#include "opto/subnode.hpp"
#include "runtime/sharedRuntime.hpp"
// Optimization - Graph Style
//=============================================================================
//------------------------------hash-------------------------------------------
uint ConNode::hash() const {
return (uintptr_t)in(TypeFunc::Control) + _type->hash();
}
//------------------------------make-------------------------------------------
ConNode *ConNode::make(const Type *t) {
switch( t->basic_type() ) {
case T_INT: return new ConINode( t->is_int() );
case T_LONG: return new ConLNode( t->is_long() );
case T_FLOAT: return new ConFNode( t->is_float_constant() );
case T_DOUBLE: return new ConDNode( t->is_double_constant() );
case T_VOID: return new ConNode ( Type::TOP );
case T_OBJECT: return new ConPNode( t->is_ptr() );
case T_ARRAY: return new ConPNode( t->is_aryptr() );
case T_ADDRESS: return new ConPNode( t->is_ptr() );
case T_NARROWOOP: return new ConNNode( t->is_narrowoop() );
case T_NARROWKLASS: return new ConNKlassNode( t->is_narrowklass() );
case T_METADATA: return new ConPNode( t->is_ptr() );
// Expected cases: TypePtr::NULL_PTR, any is_rawptr()
// Also seen: AnyPtr(TopPTR *+top);
// %%%% Stop using TypePtr::NULL_PTR to represent nulls: use either TypeRawPtr::NULL_PTR
// or else TypeOopPtr::NULL_PTR. Then set Type::_basic_type[AnyPtr] = T_ILLEGAL
default:
ShouldNotReachHere();
return NULL;
}
}
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet)
¤
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