Mercurial > hg > graal-jvmci-8
comparison graal/GraalCompiler/src/com/sun/c1x/graph/CompilerGraph.java @ 2840:75e0d39833a0
new CompilerGraph, create only one Return and one Unwind per CompilerGraph
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 31 May 2011 16:53:19 +0200 |
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2837:7b5831f0e913 | 2840:75e0d39833a0 |
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1 /* | |
2 * Copyright (c) 2011, 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.oracle.graal.graph.*; | |
26 import com.sun.c1x.ir.*; | |
27 | |
28 | |
29 public class CompilerGraph extends Graph { | |
30 | |
31 private Return returnSingleton; | |
32 private Unwind unwindSingleton; | |
33 | |
34 public Return createReturn(Value result) { | |
35 assert returnSingleton == null; | |
36 returnSingleton = new Return(result, this); | |
37 return returnSingleton; | |
38 } | |
39 | |
40 public Return getReturn() { | |
41 return returnSingleton; | |
42 } | |
43 | |
44 public Unwind createUnwind(Value exception) { | |
45 assert unwindSingleton == null; | |
46 unwindSingleton = new Unwind(exception, this); | |
47 return unwindSingleton; | |
48 } | |
49 | |
50 public Unwind getUnwind() { | |
51 return unwindSingleton; | |
52 } | |
53 } |