DFGNode.cpp 2.51 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "DFGNode.h"

#if ENABLE(DFG_JIT)

31
#include "DFGGraph.h"
32 33 34 35 36 37 38 39 40
#include "DFGNodeAllocator.h"

namespace JSC { namespace DFG {

unsigned Node::index() const
{
    return NodeAllocator::allocatorOf(this)->indexOf(this);
}

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
bool Node::hasVariableAccessData(Graph& graph)
{
    switch (op()) {
    case Phi:
        return graph.m_form != SSA;
    case GetLocal:
    case GetArgument:
    case SetLocal:
    case SetArgument:
    case Flush:
    case PhantomLocal:
        return true;
    default:
        return false;
    }
}

58 59 60 61
} } // namespace JSC::DFG

namespace WTF {

62 63 64 65 66 67 68 69 70 71 72 73
using namespace JSC;
using namespace JSC::DFG;

void printInternal(PrintStream& out, SwitchKind kind)
{
    switch (kind) {
    case SwitchImm:
        out.print("SwitchImm");
        return;
    case SwitchChar:
        out.print("SwitchChar");
        return;
74 75 76
    case SwitchString:
        out.print("SwitchString");
        return;
77 78 79 80 81
    }
    RELEASE_ASSERT_NOT_REACHED();
}

void printInternal(PrintStream& out, Node* node)
82 83 84 85 86 87
{
    if (!node) {
        out.print("-");
        return;
    }
    out.print("@", node->index());
88
    out.print(AbbreviatedSpeculationDump(node->prediction()));
89 90 91 92 93 94
}

} // namespace WTF

#endif // ENABLE(DFG_JIT)