1 files changed, 103 insertions, 0 deletions
diff --git a/src/qml/jit/qv4graph.cpp b/src/qml/jit/qv4graph.cpp
new file mode 100644
index 0000000000..4025ceb993
--- /dev/null
+++ b/src/qml/jit/qv4graph.cpp
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qv4graph_p.h"
+#include "qv4operation_p.h"
+
+QT_REQUIRE_CONFIG(qml_tracing);
+
+QT_BEGIN_NAMESPACE
+namespace QV4 {
+namespace IR {
+
+Graph *Graph::create(Function *function)
+{
+    auto storage = function->pool()->allocate(sizeof(Graph));
+    auto g = new (storage) Graph(function);
+    g->m_undefinedNode = g->createNode(g->opBuilder()->get<Meta::Undefined>());
+    g->m_emptyNode = g->createNode(g->opBuilder()->get<Meta::Empty>());
+    g->m_nullNode = g->createNode(g->opBuilder()->getConstant(QV4::Value::nullValue()));
+    g->m_trueNode = g->createNode(g->opBuilder()->getConstant(QV4::Value::fromBoolean(true)));
+    g->m_falseNode = g->createNode(g->opBuilder()->getConstant(QV4::Value::fromBoolean(false)));
+    return g;
+}
+
+Graph::MemoryPool *Graph::pool() const
+{
+    return m_function->pool();
+}
+
+Node *Graph::createNode(const Operation *op, Node *const operands[], size_t opCount,
+                        bool incomplete)
+{
+    return Node::create(pool(), m_nextNodeId++, op, opCount, operands, incomplete);
+}
+
+Node *Graph::createConstantBoolNode(bool value)
+{
+    return createNode(opBuilder()->getConstant(Primitive::fromBoolean(value)));
+}
+
+Node *Graph::createConstantIntNode(int value)
+{
+    return createNode(opBuilder()->getConstant(Primitive::fromInt32(value)));
+}
+
+Graph::Graph(Function *function)
+    : m_function(function)
+    , m_opBuilder(OperationBuilder::create(pool()))
+{}
+
+Node *Graph::createConstantHeapNode(Heap::Base *heap)
+{
+    return createNode(opBuilder()->getConstant(Primitive::fromHeapObject(heap)));
+}
+
+void Graph::addEndInput(Node *n)
+{
+    if (m_endNode) {
+        auto newEnd = m_opBuilder->getEnd(m_endNode->operation()->controlInputCount() + 1);
+        m_endNode->setOperation(newEnd);
+        m_endNode->addInput(m_function->pool(), n);
+    }
+}
+
+} // IR namespace
+} // QV4 namespace
+QT_END_NAMESPACE