Mercurial > hg > graal-compiler

annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/IterativeCheckCastEliminationPhase.java @ 5860:32a7714ac0c5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Canonicalize at least once in IterativeCheckCastElimination
author Gilles Duboscq <duboscq@ssw.jku.at>
date Thu, 19 Jul 2012 00:56:40 +0200
parents 16c3284c94cd
children 59f209dd356b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5859
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
1 /*
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
4 *
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
7 * published by the Free Software Foundation.
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
8 *
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
13 * accompanied this code).
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
14 *
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
18 *
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
21 * questions.
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
22 */
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
23 package com.oracle.graal.compiler.phases;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
24
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
25 import com.oracle.graal.api.code.*;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
26 import com.oracle.graal.nodes.*;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
27 import com.oracle.graal.nodes.spi.*;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
28
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
29
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
30 public class IterativeCheckCastEliminationPhase extends Phase {
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
31 private final TargetDescription target;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
32 private final GraalCodeCacheProvider runtime;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
33 private final Assumptions assumptions;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
34
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
35 public IterativeCheckCastEliminationPhase(TargetDescription target, GraalCodeCacheProvider runtime, Assumptions assumptions) {
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
36 this.target = target;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
37 // TODO Auto-generated constructor stub
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
38 this.runtime = runtime;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
39 this.assumptions = assumptions;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
40 }
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
41
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
42 @Override
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
43 protected void run(StructuredGraph graph) {
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
44 CheckCastEliminationPhase eliminate = new CheckCastEliminationPhase();
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
45 CanonicalizerPhase canon = new CanonicalizerPhase(target, runtime, assumptions);
5860
32a7714ac0c5 Canonicalize at least once in IterativeCheckCastElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5859
diff changeset
46 boolean canonRun = false;
5859
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
47 while (true) {
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
48 eliminate.apply(graph);
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
49 if (!eliminate.wasGraphModfied()) {
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
50 break;
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
51 }
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
52 canon.apply(graph);
5860
32a7714ac0c5 Canonicalize at least once in IterativeCheckCastElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5859
diff changeset
53 canonRun = true;
32a7714ac0c5 Canonicalize at least once in IterativeCheckCastElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5859
diff changeset
54 }
32a7714ac0c5 Canonicalize at least once in IterativeCheckCastElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5859
diff changeset
55 if (!canonRun) {
32a7714ac0c5 Canonicalize at least once in IterativeCheckCastElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5859
diff changeset
56 canon.apply(graph);
5859
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
57 }
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
58 }
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
59
16c3284c94cd Try an iterative version of CheckCastElimination + Canonicalization
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
diff changeset
60 }