Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/AbstractEndNode.java @ 15507:5fcbf87a58b7
fix block probabilities
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Mon, 05 May 2014 18:36:01 +0200 |
parents | 882f4cb7cfcf |
children | 5d468add216f |
line wrap: on
line source
/* * Copyright (c) 2011, 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. */ package com.oracle.graal.nodes; import java.util.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.spi.*; public abstract class AbstractEndNode extends FixedNode implements IterableNodeType, LIRLowerable { protected AbstractEndNode() { super(StampFactory.forVoid()); } @Override public void generate(NodeLIRBuilderTool gen) { gen.visitEndNode(this); } public MergeNode merge() { return (MergeNode) usages().first(); } @Override public boolean verify() { assertTrue(usages().count() <= 1, "at most one usage"); return super.verify(); } @Override public Iterable<? extends Node> cfgSuccessors() { return Arrays.asList(merge()); } }