Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.object.basic/src/com/oracle/truffle/object/basic/DefaultStrategy.java @ 21380:af9d0db304e8
Do not weaken stamp of PhiNode in inferStamp
author | Christian Wimmer <christian.wimmer@oracle.com> |
---|---|
date | Thu, 14 May 2015 16:05:02 -0700 |
parents | 2c3666f44855 |
children |
rev | line source |
---|---|
18408
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
1 /* |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved. |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
4 * |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
8 * |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
13 * accompanied this code). |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
14 * |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
18 * |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
21 * questions. |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
22 */ |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
23 package com.oracle.truffle.object.basic; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
24 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
25 import java.util.*; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
26 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
27 import com.oracle.truffle.api.object.*; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
28 import com.oracle.truffle.object.*; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
29 import com.oracle.truffle.object.ShapeImpl.BaseAllocator; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
30 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
31 class DefaultStrategy implements LayoutStrategy { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
32 public boolean updateShape(DynamicObject object) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
33 assert object.getShape().isValid(); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
34 return false; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
35 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
36 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
37 public Shape returnCached(Shape newShape) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
38 assert newShape.isValid(); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
39 return newShape; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
40 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
41 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
42 private static boolean assertLocationInRange(Shape shape, Location location) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
43 BasicLayout layout = (BasicLayout) shape.getLayout(); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
44 assert (shape.getPrimitiveFieldSize() + ((LocationImpl) location).primitiveFieldCount() <= layout.getPrimitiveFieldCount()); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
45 assert (shape.getObjectFieldSize() + ((LocationImpl) location).objectFieldCount() <= layout.getObjectFieldCount()); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
46 return true; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
47 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
48 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
49 public Shape ensureSpace(Shape shape, Location location) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
50 Objects.requireNonNull(location); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
51 assert assertLocationInRange(shape, location); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
52 return shape; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
53 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
54 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
55 public boolean isAutoExtArray() { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
56 return false; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
57 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
58 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
59 public Property generalizeProperty(DynamicObject object, Property oldProperty, Object value) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
60 Shape oldShape = object.getShape(); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
61 Location oldLocation = oldProperty.getLocation(); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
62 Location newLocation = ((BasicAllocator) oldShape.allocator()).locationForValueUpcast(value, oldLocation); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
63 Property newProperty = oldProperty.relocate(newLocation); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
64 Shape newShape = oldShape.replaceProperty(oldProperty, newProperty); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
65 newProperty.setSafe(object, value, oldShape, newShape); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
66 return newProperty; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
67 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
68 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
69 public Property generalizeProperty(DynamicObject object, Property oldProperty, Object value, Shape currentShape, Shape oldNewShape) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
70 Location oldLocation = oldProperty.getLocation(); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
71 Location newLocation = ((BasicAllocator) currentShape.allocator()).locationForValueUpcast(value, oldLocation); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
72 Property newProperty = oldProperty.relocate(newLocation); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
73 Shape newShape = oldNewShape.replaceProperty(oldProperty, newProperty); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
74 newProperty.setSafe(object, value, currentShape, newShape); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
75 return newProperty; |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
76 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
77 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
78 public BaseAllocator createAllocator(Shape shape) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
79 return new DefaultAllocatorImpl((ShapeImpl) shape); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
80 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
81 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
82 public BaseAllocator createAllocator(Layout layout) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
83 return new DefaultAllocatorImpl((LayoutImpl) layout); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
84 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
85 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
86 public static class DefaultAllocatorImpl extends BasicAllocator { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
87 protected DefaultAllocatorImpl(LayoutImpl layout) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
88 super(layout); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
89 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
90 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
91 protected DefaultAllocatorImpl(ShapeImpl shape) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
92 super(shape); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
93 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
94 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
95 @Override |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
96 public Location locationForValue(Object value, boolean useFinal, boolean nonNull) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
97 return super.newDualLocationForValue(value); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
98 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
99 |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
100 @Override |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
101 public Location declaredLocation(Object value) { |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
102 return super.newDeclaredDualLocation(value); |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
103 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
104 } |
2c3666f44855
Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff
changeset
|
105 } |