Mercurial > hg > graal-jvmci-8
comparison graal/GraalCompiler/src/com/sun/c1x/graph/BlockUtil.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/graph/BlockUtil.java@9ec15d6914ca |
children | 4a36a0bd6d18 |
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2508:fea94949e0a2 | 2509:16b9a8b5ad39 |
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1 /* | |
2 * Copyright (c) 2009, 2010, 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 package com.sun.c1x.graph; | |
24 | |
25 import com.sun.c1x.ir.*; | |
26 | |
27 /** | |
28 * The {@code BlockUtil} class contains a number of utilities for manipulating a CFG of basic blocks. | |
29 * | |
30 * @author Ben L. Titzer | |
31 */ | |
32 public class BlockUtil { | |
33 | |
34 /** | |
35 * Disconnects the specified block from all other blocks. | |
36 * @param block the block to remove from the graph | |
37 */ | |
38 public static void disconnectFromGraph(BlockBegin block) { | |
39 for (BlockBegin p : block.predecessors()) { | |
40 p.end().successors().remove(block); | |
41 } | |
42 for (BlockBegin s : block.end().successors()) { | |
43 s.predecessors().remove(block); | |
44 } | |
45 } | |
46 } |