Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/ir/Return.java @ 2834:bfce42cd9c07
Graph duplication now passes all tests
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Tue, 31 May 2011 13:34:52 +0200 |
parents | bd17ac598c6e |
children | 75e0d39833a0 |
rev | line source |
---|---|
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1 /* |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
4 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
8 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
13 * accompanied this code). |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
14 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
18 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
21 * questions. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
22 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
23 package com.sun.c1x.ir; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
24 |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
25 import com.oracle.graal.graph.*; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
26 import com.sun.c1x.debug.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
27 import com.sun.cri.ci.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
28 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
29 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
30 * The {@code Return} class definition. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
31 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
32 public final class Return extends BlockEnd { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
33 |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
34 private static final int INPUT_COUNT = 1; |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
35 private static final int INPUT_RESULT = 0; |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
36 |
2751
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
37 private static final int SUCCESSOR_COUNT = 1; |
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
38 private static final int SUCCESSOR_END = 0; |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
39 |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
40 @Override |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
41 protected int inputCount() { |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
42 return super.inputCount() + INPUT_COUNT; |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
43 } |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
44 |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
45 @Override |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
46 protected int successorCount() { |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
47 return super.successorCount() + SUCCESSOR_COUNT; |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
48 } |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
49 |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
50 /** |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
51 * The instruction that produces the result for the return. |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
52 */ |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
53 public Value result() { |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
54 return (Value) inputs().get(super.inputCount() + INPUT_RESULT); |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
55 } |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
56 |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
57 public Value setResult(Value n) { |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
58 return (Value) inputs().set(super.inputCount() + INPUT_RESULT, n); |
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
59 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
60 |
2751
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
61 @Override |
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
62 public Instruction next() { |
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
63 return null; |
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
64 } |
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
65 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
66 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
67 * Constructs a new Return instruction. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
68 * @param result the instruction producing the result for this return; {@code null} if this |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
69 * is a void return |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
70 * @param graph |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
71 */ |
2712
a0dd2b907806
Removed implicit safepoints.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2602
diff
changeset
|
72 public Return(Value result, Graph graph) { |
2774
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2762
diff
changeset
|
73 super(result == null ? CiKind.Void : result.kind, 0, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
74 setResult(result); |
2751
0fe79e7435c3
More scheduling. Removed need for cfg iteration in the phi simplifier.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2712
diff
changeset
|
75 successors().set(SUCCESSOR_END, graph.end()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
76 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
77 |
2834
bfce42cd9c07
Graph duplication now passes all tests
Lukas Stadler <lukas.stadler@jku.at>
parents:
2827
diff
changeset
|
78 // for copying |
bfce42cd9c07
Graph duplication now passes all tests
Lukas Stadler <lukas.stadler@jku.at>
parents:
2827
diff
changeset
|
79 private Return(CiKind kind, Graph graph) { |
bfce42cd9c07
Graph duplication now passes all tests
Lukas Stadler <lukas.stadler@jku.at>
parents:
2827
diff
changeset
|
80 super(kind, 0, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
bfce42cd9c07
Graph duplication now passes all tests
Lukas Stadler <lukas.stadler@jku.at>
parents:
2827
diff
changeset
|
81 } |
bfce42cd9c07
Graph duplication now passes all tests
Lukas Stadler <lukas.stadler@jku.at>
parents:
2827
diff
changeset
|
82 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
83 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
84 public void accept(ValueVisitor v) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
85 v.visitReturn(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
86 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
87 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
88 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
89 public void print(LogStream out) { |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
90 if (result() == null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
91 out.print("return"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
92 } else { |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2509
diff
changeset
|
93 out.print(kind.typeChar).print("return ").print(result()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
94 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
95 } |
2827
bd17ac598c6e
Graph cloning, initial version (not completely working)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2774
diff
changeset
|
96 |
bd17ac598c6e
Graph cloning, initial version (not completely working)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2774
diff
changeset
|
97 @Override |
bd17ac598c6e
Graph cloning, initial version (not completely working)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2774
diff
changeset
|
98 public Node copy(Graph into) { |
2834
bfce42cd9c07
Graph duplication now passes all tests
Lukas Stadler <lukas.stadler@jku.at>
parents:
2827
diff
changeset
|
99 Return x = new Return(kind, into); |
2827
bd17ac598c6e
Graph cloning, initial version (not completely working)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2774
diff
changeset
|
100 x.setNonNull(isNonNull()); |
bd17ac598c6e
Graph cloning, initial version (not completely working)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2774
diff
changeset
|
101 return x; |
bd17ac598c6e
Graph cloning, initial version (not completely working)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2774
diff
changeset
|
102 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
103 } |