Mercurial > hg > graal-compiler

annotate graal/GraalCompiler/src/com/sun/c1x/debug/CFGPrinterObserver.java @ 2781:bda5972a40a5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove unnecessary BlockBegin nodes in frontend
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 24 May 2011 15:31:52 +0200
parents 16b9a8b5ad39
children d3fc4fe063bf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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) 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.debug;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
24
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
25 import java.io.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
26
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
27 import com.sun.c1x.*;
2781
bda5972a40a5 remove unnecessary BlockBegin nodes in frontend
Lukas Stadler <lukas.stadler@jku.at>
parents: 2509
diff changeset
28 import com.sun.c1x.ir.*;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
29 import com.sun.c1x.observer.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
30 import com.sun.cri.ri.*;
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 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
33 * Observes compilation events and uses {@link CFGPrinter} to produce a control flow graph for the <a
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
34 * href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
35 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
36 * @author Peter Hofer
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
37 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
38 public class CFGPrinterObserver implements CompilationObserver {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
39
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
40 private C1XCompilation currentCompilation;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
41 private CFGPrinter cfgPrinter;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
42 private ByteArrayOutputStream buffer = null;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
43
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
44 public CFGPrinterObserver() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
45 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
46
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
47 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
48 public void compilationStarted(CompilationEvent event) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
49 // Supports only one compilation at the same time
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
50 assert currentCompilation == null;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
51
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
52 currentCompilation = event.getCompilation();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
53 if (buffer == null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
54 buffer = new ByteArrayOutputStream();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
55 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
56 cfgPrinter = new CFGPrinter(buffer, currentCompilation.target);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
57 cfgPrinter.printCompilation(currentCompilation.method);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
58 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
59
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
60 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
61 public void compilationEvent(CompilationEvent event) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
62 assert currentCompilation == event.getCompilation();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
63
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
64 String label = event.getLabel();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
65
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
66 if (event.getAllocator() != null && event.getIntervals() != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
67 cfgPrinter.printIntervals(event.getAllocator(), event.getIntervals(), label);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
68 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
69
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
70 boolean cfgprinted = false;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
71
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
72 if (event.getBlockMap() != null && event.getCodeSize() >= 0) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
73 cfgPrinter.printCFG(event.getMethod(), event.getBlockMap(), event.getCodeSize(), label, event.isHIRValid(), event.isLIRValid());
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
74 cfgprinted = true;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
75 }
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 if (event.getStartBlock() != null) {
2781
bda5972a40a5 remove unnecessary BlockBegin nodes in frontend
Lukas Stadler <lukas.stadler@jku.at>
parents: 2509
diff changeset
78 cfgPrinter.printCFG((BlockBegin) event.getStartBlock(), label, event.isHIRValid(), event.isLIRValid());
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
79 cfgprinted = true;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
80 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
81
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
82 if (event.getTargetMethod() != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
83 if (cfgprinted) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
84 // Avoid duplicate "cfg" section
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
85 label = null;
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 RiRuntime runtime = event.getCompilation().runtime;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
89 cfgPrinter.printMachineCode(runtime.disassemble(event.getTargetMethod()), label);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
90 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
91 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
92
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
93 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
94 public void compilationFinished(CompilationEvent event) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
95 assert currentCompilation == event.getCompilation();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
96
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
97 cfgPrinter.flush();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
98
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
99 OutputStream cfgFileStream = CFGPrinter.cfgFileStream();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
100 if (cfgFileStream != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
101 synchronized (cfgFileStream) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
102 try {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
103 cfgFileStream.write(buffer.toByteArray());
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
104 } catch (IOException e) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
105 TTY.println("WARNING: Error writing CFGPrinter output for %s to disk: %s", event.getMethod(), e);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
106 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
107 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
108 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
109
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
110 buffer.reset();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
111 cfgPrinter = null;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
112 currentCompilation = null;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
113 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
114 }