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comparison graal/GraalCompiler/src/com/sun/c1x/value/ValueUtil.java @ 2611:bd235cb4375a

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FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
author Lukas Stadler <lukas.stadler@jku.at>
date Fri, 06 May 2011 17:08:00 +0200
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children abb4cc15283d
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2610:39aa89baa165 2611:bd235cb4375a
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.value;
24
25 import com.sun.c1x.ir.*;
26 import com.sun.cri.ci.*;
27
28
29 public class ValueUtil {
30
31 public static Value assertKind(CiKind kind, Value x) {
32 assert x != null && (x.kind == kind) : "kind=" + kind + ", value=" + x + ((x == null) ? "" : ", value.kind=" + x.kind);
33 return x;
34 }
35
36 public static Value assertLong(Value x) {
37 assert x != null && (x.kind == CiKind.Long);
38 return x;
39 }
40
41 public static Value assertJsr(Value x) {
42 assert x != null && (x.kind == CiKind.Jsr);
43 return x;
44 }
45
46 public static Value assertInt(Value x) {
47 assert x != null && (x.kind == CiKind.Int);
48 return x;
49 }
50
51 public static Value assertFloat(Value x) {
52 assert x != null && (x.kind == CiKind.Float);
53 return x;
54 }
55
56 public static Value assertObject(Value x) {
57 assert x != null && (x.kind == CiKind.Object);
58 return x;
59 }
60
61 public static Value assertWord(Value x) {
62 assert x != null && (x.kind == CiKind.Word);
63 return x;
64 }
65
66 public static Value assertDouble(Value x) {
67 assert x != null && (x.kind == CiKind.Double);
68 return x;
69 }
70
71 public static void assertHigh(Value x) {
72 assert x == null;
73 }
74
75 public static boolean typeMismatch(Value x, Value y) {
76 return y == null || x.kind != y.kind;
77 }
78
79 public static boolean isDoubleWord(Value x) {
80 return x != null && x.kind.isDoubleWord();
81 }
82
83 }