1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_OPTO_SUBTYPENODE_HPP 26 #define SHARE_OPTO_SUBTYPENODE_HPP 27 28 #include "opto/node.hpp" 29 30 class SubTypeCheckNode : public CmpNode { 31 public: 32 enum { 33 Control, 34 ObjOrSubKlass, 35 SuperKlass 36 }; 37 SubTypeCheckNode(Compile * C,Node * obj_or_subklass,Node * superklass)38 SubTypeCheckNode(Compile* C, Node* obj_or_subklass, Node* superklass) 39 : CmpNode(obj_or_subklass, superklass) { 40 init_class_id(Class_SubTypeCheck); 41 init_flags(Flag_is_macro); 42 C->add_macro_node(this); 43 } 44 45 Node* Ideal(PhaseGVN *phase, bool can_reshape); 46 virtual const Type* sub(const Type*, const Type*) const; Identity(PhaseGVN * phase)47 Node* Identity(PhaseGVN* phase) { return this; } 48 49 virtual int Opcode() const; bottom_type() const50 const Type* bottom_type() const { return TypeInt::CC; } depends_only_on_test() const51 bool depends_only_on_test() const { return false; }; 52 }; 53 54 #endif // SHARE_OPTO_SUBTYPENODE_HPP 55