diff options
Diffstat (limited to 'src/qml/jit/qv4regalloc.cpp')
-rw-r--r-- | src/qml/jit/qv4regalloc.cpp | 84 |
1 files changed, 45 insertions, 39 deletions
diff --git a/src/qml/jit/qv4regalloc.cpp b/src/qml/jit/qv4regalloc.cpp index 82ae60a8f0..c21f52ecd3 100644 --- a/src/qml/jit/qv4regalloc.cpp +++ b/src/qml/jit/qv4regalloc.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the V4VM module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** 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 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** 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. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** 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. ** ** $QT_END_LICENSE$ ** @@ -174,9 +180,9 @@ public: _calls.reserve(function->statementCount() / 3); _hints.resize(function->tempCount); - foreach (BasicBlock *bb, function->basicBlocks()) { + for (BasicBlock *bb : function->basicBlocks()) { _currentBB = bb; - foreach (Stmt *s, bb->statements()) { + for (Stmt *s : bb->statements()) { _currentStmt = s; s->accept(this); } @@ -696,8 +702,8 @@ protected: // IRDecoder virtual void visitPhi(IR::Phi *s) { addDef(s->targetTemp, true); - for (int i = 0, ei = s->d->incoming.size(); i < ei; ++i) { - Expr *e = s->d->incoming.at(i); + for (int i = 0, ei = s->incoming.size(); i < ei; ++i) { + Expr *e = s->incoming.at(i); if (Temp *t = e->asTemp()) { // The actual use of an incoming value in a phi node is right before the terminator // of the other side of the incoming edge. @@ -815,8 +821,8 @@ class ResolutionPhase: protected StmtVisitor, protected ExprVisitor { const QVector<const RegisterInfo *> &_fpRegs; Stmt *_currentStmt; - QVector<Move *> _loads; - QVector<Move *> _stores; + std::vector<Move *> _loads; + std::vector<Move *> _stores; QHash<BasicBlock *, QList<const LifeTimeInterval *> > _liveAtStart; QHash<BasicBlock *, QList<const LifeTimeInterval *> > _liveAtEnd; @@ -867,7 +873,7 @@ private: { QVector<Stmt *> newStatements; - foreach (BasicBlock *bb, _function->basicBlocks()) { + for (BasicBlock *bb : _function->basicBlocks()) { _currentStmt = 0; QVector<Stmt *> statements = bb->statements(); @@ -887,13 +893,13 @@ private: else addNewIntervals(defPosition(_currentStmt)); _currentStmt->accept(this); - foreach (Move *load, _loads) + for (Move *load : _loads) newStatements.append(load); if (_currentStmt->asPhi()) newStatements.prepend(_currentStmt); else newStatements.append(_currentStmt); - foreach (Move *store, _stores) + for (Move *store : _stores) newStatements.append(store); } @@ -907,7 +913,7 @@ private: os << "Intervals live at the start of L" << bb->index() << ":" << endl; if (_liveAtStart[bb].isEmpty()) os << "\t(none)" << endl; - foreach (const LifeTimeInterval *i, _liveAtStart[bb]) { + for (const LifeTimeInterval *i : _liveAtStart.value(bb)) { os << "\t"; i->dump(os); os << endl; @@ -915,7 +921,7 @@ private: os << "Intervals live at the end of L" << bb->index() << ":" << endl; if (_liveAtEnd[bb].isEmpty()) os << "\t(none)" << endl; - foreach (const LifeTimeInterval *i, _liveAtEnd[bb]) { + for (const LifeTimeInterval *i : _liveAtEnd.value(bb)) { os << "\t"; i->dump(os); os << endl; @@ -938,7 +944,7 @@ private: Q_ASSERT(pReg); int spillSlot = _assignedSpillSlots[i->temp().index]; if (spillSlot != RegisterAllocator::InvalidSpillSlot) - _stores.append(generateSpill(spillSlot, i->temp().type, pReg->reg<int>())); + _stores.push_back(generateSpill(spillSlot, i->temp().type, pReg->reg<int>())); } void addNewIntervals(int position) @@ -971,15 +977,15 @@ private: void resolve() { - foreach (BasicBlock *bb, _function->basicBlocks()) { - foreach (BasicBlock *bbOut, bb->out) + for (BasicBlock *bb : _function->basicBlocks()) { + for (BasicBlock *bbOut : bb->out) resolveEdge(bb, bbOut); } } Phi *findDefPhi(const Temp &t, BasicBlock *bb) const { - foreach (Stmt *s, bb->statements()) { + for (Stmt *s : bb->statements()) { Phi *phi = s->asPhi(); if (!phi) return 0; @@ -1012,21 +1018,21 @@ private: int successorStart = _intervals->startPosition(successor); Q_ASSERT(successorStart > 0); - foreach (const LifeTimeInterval *it, _liveAtStart[successor]) { + for (const LifeTimeInterval *it : _liveAtStart.value(successor)) { bool isPhiTarget = false; Expr *moveFrom = 0; if (it->start() == successorStart) { if (Phi *phi = findDefPhi(it->temp(), successor)) { isPhiTarget = true; - Expr *opd = phi->d->incoming[successor->in.indexOf(predecessor)]; + Expr *opd = phi->incoming[successor->in.indexOf(predecessor)]; if (opd->asConst()) { moveFrom = opd; } else { Temp *t = opd->asTemp(); Q_ASSERT(t); - foreach (const LifeTimeInterval *it2, _liveAtEnd[predecessor]) { + for (const LifeTimeInterval *it2 : _liveAtEnd.value(predecessor)) { if (it2->temp() == *t && it2->reg() != LifeTimeInterval::InvalidRegister && it2->covers(predecessorEnd)) { @@ -1041,7 +1047,7 @@ private: } } } else { - foreach (const LifeTimeInterval *predIt, _liveAtEnd[predecessor]) { + for (const LifeTimeInterval *predIt : _liveAtEnd.value(predecessor)) { if (predIt->temp() == it->temp()) { if (predIt->reg() != LifeTimeInterval::InvalidRegister && predIt->covers(predecessorEnd)) { @@ -1186,7 +1192,7 @@ protected: Q_ASSERT(i->isSplitFromInterval()); const RegisterInfo *pReg = platformRegister(*i); Q_ASSERT(pReg); - _loads.append(generateUnspill(i->temp(), pReg->reg<int>())); + _loads.push_back(generateUnspill(i->temp(), pReg->reg<int>())); } if (i->reg() != LifeTimeInterval::InvalidRegister && @@ -1298,7 +1304,7 @@ void RegisterAllocator::run(IR::Function *function, const Optimizer &opt) qout << "Ranges:" << endl; QVector<LifeTimeInterval *> intervals = _unhandled; std::reverse(intervals.begin(), intervals.end()); - foreach (const LifeTimeInterval *r, intervals) { + for (const LifeTimeInterval *r : qAsConst(intervals)) { r->dump(qout); qout << endl; } @@ -1393,7 +1399,7 @@ LifeTimeInterval *RegisterAllocator::cloneFixedInterval(int reg, bool isFP, cons void RegisterAllocator::prepareRanges() { LifeTimeInterval ltiWithCalls = createFixedInterval(int(_info->calls().size())); - foreach (int callPosition, _info->calls()) + for (int callPosition : _info->calls()) ltiWithCalls.addRange(callPosition, callPosition); const int regCount = _normalRegisters.size(); @@ -1485,11 +1491,11 @@ void RegisterAllocator::linearScan() } } - foreach (LifeTimeInterval *r, _active) + for (LifeTimeInterval *r : qAsConst(_active)) if (!r->isFixedInterval()) _handled.append(r); _active.clear(); - foreach (LifeTimeInterval *r, _inactive) + for (LifeTimeInterval *r : qAsConst(_inactive)) if (!r->isFixedInterval()) _handled.append(r); _inactive.clear(); @@ -1917,7 +1923,7 @@ void RegisterAllocator::dump(IR::Function *function) const qout << "Ranges:" << endl; QVector<LifeTimeInterval *> handled = _handled; std::sort(handled.begin(), handled.end(), LifeTimeInterval::lessThanForTemp); - foreach (const LifeTimeInterval *r, handled) { + for (const LifeTimeInterval *r : qAsConst(handled)) { r->dump(qout); qout << endl; } |