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Diffstat (limited to 'src/qml/jit/qv4mi.cpp')
-rw-r--r-- | src/qml/jit/qv4mi.cpp | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/src/qml/jit/qv4mi.cpp b/src/qml/jit/qv4mi.cpp deleted file mode 100644 index f0b172243d..0000000000 --- a/src/qml/jit/qv4mi.cpp +++ /dev/null @@ -1,251 +0,0 @@ -/**************************************************************************** -** -** 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 <QtCore/qloggingcategory.h> -#include <private/qqmlglobal_p.h> - -#include "qv4mi_p.h" -#include "qv4node_p.h" - -QT_BEGIN_NAMESPACE -namespace QV4 { -namespace IR { - -Q_LOGGING_CATEGORY(lcMI, "qt.v4.ir.mi") - -QString MIOperand::debugString() const -{ - switch (kind()) { - case Invalid: return QStringLiteral("<<INVALID>>"); - case Constant: return ConstantPayload::debugString(constantValue()); - case VirtualRegister: return QStringLiteral("vreg%1").arg(virtualRegister()); - case EngineRegister: return QStringLiteral("engine"); - case CppFrameRegister: return QStringLiteral("cppFrame"); - case Function: return QStringLiteral("function"); - case JSStackSlot: return QStringLiteral("jsstack[%1]").arg(stackSlot()); - case BoolStackSlot: return QStringLiteral("bstack[%1]").arg(stackSlot()); - case JumpTarget: return targetBlock() ? QStringLiteral("L%1").arg(targetBlock()->index()) - : QStringLiteral("<<INVALID BLOCK>>"); - default: Q_UNREACHABLE(); - } -} - -MIInstr *MIInstr::create(QQmlJS::MemoryPool *pool, Node *irNode, unsigned nOperands) -{ - return pool->New<MIInstr>(irNode, pool, nOperands); -} - -static QString commentIndent(const QString &line) -{ - int spacing = std::max(70 - line.length(), 1); - return line + QString(spacing, QLatin1Char(' ')); -} - -static QString indent(int nr) -{ - QString s = nr == -1 ? QString() : QString::number(nr); - int padding = 6 - s.size(); - if (padding > 0) - s = QString(padding, QLatin1Char(' ')) + s; - return s; -} - -MIFunction::MIFunction(Function *irFunction) - : m_irFunction(irFunction) -{} - -void MIFunction::renumberBlocks() -{ - for (size_t i = 0, ei = m_blocks.size(); i != ei; ++i) { - MIBlock *b = m_blocks[i]; - b->setIndex(unsigned(i)); - } -} - -void MIFunction::renumberInstructions() -{ - int pos = 0; - for (MIBlock *b : m_blocks) { - for (MIInstr &instr : b->instructions()) { - pos += 2; - instr.setPosition(pos); - } - } -} - -void MIFunction::dump(const QString &description) const -{ - if (!lcMI().isDebugEnabled()) - return; - - QString s = description + QLatin1String(":\n"); - QString name; - if (auto n = irFunction()->v4Function()->name()) - name = n->toQString(); - if (name.isEmpty()) - QString::asprintf("%p", static_cast<void *>(irFunction()->v4Function())); - QString line = QStringLiteral("function %1 {").arg(name); - auto loc = irFunction()->v4Function()->sourceLocation(); - s += commentIndent(line) + QStringLiteral("; %1:%2:%3\n").arg(loc.sourceFile, - QString::number(loc.line), - QString::number(loc.column)); - for (const MIBlock *b : blocks()) { - line = QStringLiteral("L%1").arg(b->index()); - bool first = true; - if (!b->arguments().empty()) { - line += QLatin1Char('('); - for (const MIOperand &arg : b->arguments()) { - if (first) - first = false; - else - line += QStringLiteral(", "); - line += arg.debugString(); - } - line += QLatin1Char(')'); - } - line += QLatin1Char(':'); - line = commentIndent(line) + QStringLiteral("; preds: "); - if (b->inEdges().isEmpty()) { - line += QStringLiteral("<none>"); - } else { - bool first = true; - for (MIBlock *in : b->inEdges()) { - if (first) - first = false; - else - line += QStringLiteral(", "); - line += QStringLiteral("L%1").arg(in->index()); - } - } - s += line + QLatin1Char('\n'); - for (const MIInstr &i : b->instructions()) { - line = indent(i.position()) + QLatin1String(": "); - if (i.hasDestination()) - line += i.destination().debugString() + QStringLiteral(" = "); - line += i.irNode()->operation()->debugString(); - bool first = true; - for (const MIOperand &op : i.operands()) { - if (first) - first = false; - else - line += QLatin1Char(','); - line += QLatin1Char(' ') + op.debugString(); - } - line = commentIndent(line) + QStringLiteral("; node-id: %1").arg(i.irNode()->id()); - if (i.irNode()->operation()->needsBytecodeOffsets()) - line += QStringLiteral(", bytecode-offset: %1").arg(irFunction()->nodeInfo(i.irNode())->currentInstructionOffset()); - s += line + QLatin1Char('\n'); - } - s += commentIndent(QString()) + QStringLiteral("; succs: "); - if (b->outEdges().isEmpty()) { - s += QStringLiteral("<none>"); - } else { - bool first = true; - for (MIBlock *succ : b->outEdges()) { - if (first) - first = false; - else - s += QStringLiteral(", "); - s += QStringLiteral("L%1").arg(succ->index()); - } - } - s += QLatin1Char('\n'); - } - s += QLatin1Char('}'); - - for (const QStringRef &line : s.splitRef('\n')) - qCDebug(lcMI).noquote().nospace() << line; -} - -unsigned MIFunction::extraJSSlots() const -{ - uint interpreterFrameSize = CppStackFrame::requiredJSStackFrameSize(irFunction()->v4Function()); - if (m_jsSlotCount <= interpreterFrameSize) - return 0; - return m_jsSlotCount - interpreterFrameSize; -} - -void MIFunction::setStartBlock(MIBlock *newStartBlock) -{ - auto it = std::find(m_blocks.begin(), m_blocks.end(), newStartBlock); - Q_ASSERT(it != m_blocks.end()); - std::swap(*m_blocks.begin(), *it); -} - -void MIFunction::setStackSlotCounts(unsigned dword, unsigned qword, unsigned js) -{ - m_vregCount = 0; - m_dwordSlotCount = dword; - m_qwordSlotCount = qword; - m_jsSlotCount = js; -} - -void MIFunction::verifyCFG() const -{ - if (block(MIFunction::StartBlockIndex)->instructions().front().opcode() != Meta::Start) - qFatal("MIFunction block 0 is not the start block"); - - for (MIBlock *b : m_blocks) { - for (MIBlock *in : b->inEdges()) { - if (!in->outEdges().contains(b)) - qFatal("block %u has incoming edge from block %u, " - "but does not appear in that block's outgoing edges", - b->index(), in->index()); - } - for (MIBlock *out : b->outEdges()) { - if (!out->inEdges().contains(b)) - qFatal("block %u has outgoing edge from block %u, " - "but does not appear in that block's incoming edges", - b->index(), out->index()); - } - } -} - -MIBlock *MIBlock::findEdgeTo(Operation::Kind target) const -{ - for (MIBlock *outEdge : outEdges()) { - if (outEdge->instructions().front().opcode() == target) - return outEdge; - } - return nullptr; -} - -} // IR namespace -} // QV4 namespace -QT_END_NAMESPACE |