jdk

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/*
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 * Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "memory/allocation.inline.hpp"
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#include "opto/addnode.hpp"
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#include "opto/compile.hpp"
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#include "opto/connode.hpp"
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#include "opto/machnode.hpp"
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#include "opto/matcher.hpp"
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#include "opto/memnode.hpp"
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#include "opto/phaseX.hpp"
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#include "opto/subnode.hpp"
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#include "runtime/sharedRuntime.hpp"
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// Optimization - Graph Style
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//=============================================================================
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//------------------------------hash-------------------------------------------
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uint ConNode::hash() const {
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  return (uintptr_t)in(TypeFunc::Control) + _type->hash();
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}
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//------------------------------make-------------------------------------------
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ConNode *ConNode::make(const Type *t) {
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  switch( t->basic_type() ) {
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  case T_INT:         return new ConINode( t->is_int() );
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  case T_LONG:        return new ConLNode( t->is_long() );
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  case T_FLOAT:       return new ConFNode( t->is_float_constant() );
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  case T_DOUBLE:      return new ConDNode( t->is_double_constant() );
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  case T_VOID:        return new ConNode ( Type::TOP );
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  case T_OBJECT:      return new ConPNode( t->is_ptr() );
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  case T_ARRAY:       return new ConPNode( t->is_aryptr() );
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  case T_ADDRESS:     return new ConPNode( t->is_ptr() );
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  case T_NARROWOOP:   return new ConNNode( t->is_narrowoop() );
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  case T_NARROWKLASS: return new ConNKlassNode( t->is_narrowklass() );
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  case T_METADATA:    return new ConPNode( t->is_ptr() );
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    // Expected cases:  TypePtr::NULL_PTR, any is_rawptr()
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    // Also seen: AnyPtr(TopPTR *+top);
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    // %%%% Stop using TypePtr::NULL_PTR to represent nulls:  use either TypeRawPtr::NULL_PTR
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    // or else TypeOopPtr::NULL_PTR.  Then set Type::_basic_type[AnyPtr] = T_ILLEGAL
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  default:
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    ShouldNotReachHere();
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    return nullptr;
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  }
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}
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