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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/call/SLInlinableDirectDispatchNode.java @ 13761:7c418666c6c9

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Refactoring and cleanup of Simple Language (more to come soon)
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 24 Jan 2014 18:16:24 -0800
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13760:a12017c18d5d 13761:7c418666c6c9
1 /*
2 * Copyright (c) 2013, 2013, 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.oracle.truffle.sl.nodes.call;
24
25 import com.oracle.truffle.api.*;
26 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
27 import com.oracle.truffle.api.frame.*;
28 import com.oracle.truffle.api.nodes.*;
29 import com.oracle.truffle.sl.nodes.*;
30 import com.oracle.truffle.sl.runtime.*;
31
32 final class SLInlinableDirectDispatchNode extends SLDirectDispatchNode implements InlinableCallSite {
33
34 @CompilationFinal private int callCount;
35
36 protected SLInlinableDirectDispatchNode(SLAbstractDispatchNode next, SLFunction cachedFunction) {
37 super(next, cachedFunction);
38 }
39
40 @Override
41 protected Object executeCurrent(VirtualFrame frame, SLArguments arguments) {
42 if (CompilerDirectives.inInterpreter()) {
43 callCount++;
44 }
45 return cachedCallTarget.call(frame.pack(), arguments);
46 }
47
48 @Override
49 public boolean inline(FrameFactory factory) {
50 CompilerAsserts.neverPartOfCompilation();
51 RootNode root = cachedCallTarget.getRootNode();
52 SLExpressionNode inlinedNode = ((SLRootNode) root).inline();
53 assert inlinedNode != null;
54 replace(new SLInlinedDirectDispatchNode(this, inlinedNode), "Inlined " + root);
55 /* We are always able to inline if required. */
56 return true;
57 }
58
59 @Override
60 public int getCallCount() {
61 return callCount;
62 }
63
64 @Override
65 public void resetCallCount() {
66 callCount = 0;
67 }
68
69 @Override
70 public Node getInlineTree() {
71 RootNode root = cachedCallTarget.getRootNode();
72 if (root instanceof SLRootNode) {
73 return ((SLRootNode) root).getUninitializedBody();
74 }
75 return null;
76 }
77
78 @Override
79 public CallTarget getCallTarget() {
80 return cachedCallTarget;
81 }
82 }