Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.lir/src/com/oracle/graal/lir/cfg/CFGVerifier.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
children |
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/* * Copyright (c) 2012, 2012, 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.lir.cfg; public class CFGVerifier { public static boolean verify(ControlFlowGraph cfg) { for (Block block : cfg.getBlocks()) { assert cfg.getBlocks()[block.getId()] == block; for (Block pred : block.getPredecessors()) { assert pred.getSuccessors().contains(block); assert pred.getId() < block.getId() || pred.isLoopEnd(); } for (Block sux : block.getSuccessors()) { assert sux.getPredecessors().contains(block); assert sux.getId() > block.getId() || sux.isLoopHeader(); } if (block.getDominator() != null) { assert block.getDominator().getId() < block.getId(); assert block.getDominator().getDominated().contains(block); } for (Block dominated : block.getDominated()) { assert dominated.getId() > block.getId(); assert dominated.getDominator() == block; } assert cfg.getLoops() == null || !block.isLoopHeader() || block.getLoop().header == block; } if (cfg.getLoops() != null) { for (Loop loop : cfg.getLoops()) { assert loop.header.isLoopHeader(); for (Block block : loop.blocks) { assert block.getId() >= loop.header.getId(); Loop blockLoop = block.getLoop(); while (blockLoop != loop) { blockLoop = blockLoop.parent; assert blockLoop != null; } } for (Block block : loop.exits) { assert block.getId() >= loop.header.getId(); Loop blockLoop = block.getLoop(); while (blockLoop != null) { blockLoop = blockLoop.parent; assert blockLoop != loop; } } } } return true; } }