001/* 002 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. 008 * 009 * This code is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 012 * version 2 for more details (a copy is included in the LICENSE file that 013 * accompanied this code). 014 * 015 * You should have received a copy of the GNU General Public License version 016 * 2 along with this work; if not, write to the Free Software Foundation, 017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 018 * 019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 020 * or visit www.oracle.com if you need additional information or have any 021 * questions. 022 */ 023package com.oracle.graal.nodeinfo; 024 025public enum InputType { 026 /** 027 * Inputs that consume an actual value generated by the referenced node. 028 */ 029 Value, 030 /** 031 * Inputs that consume the memory state of the referenced node. 032 */ 033 Memory, 034 /** 035 * Inputs that reference a condition. 036 */ 037 Condition, 038 /** 039 * Inputs that reference a frame state. 040 */ 041 State, 042 /** 043 * Inputs that reference a guard (guards, begin nodes). 044 */ 045 Guard, 046 /** 047 * Inputs that reference an anchor (begin nodes, value anchors). 048 */ 049 Anchor, 050 /** 051 * Inputs that represent an association between nodes, e.g., a phi and the merge or a loop begin 052 * and loop exits and ends. 053 */ 054 Association, 055 /** 056 * Inputs that connect tightly coupled nodes, e.g., an InvokeNode and its CallTargetNode. 057 */ 058 Extension, 059 /** 060 * Inputs of this type are temporarily exempt from type checking. This should only be used in 061 * exceptional cases and should never survive to later stages of compilation. 062 */ 063 Unchecked 064}