forked from qt-creator/qt-creator
		
	$ powerpc-poky-linux-gcc -dM -E -xc /dev/null | grep -i PPC #define _ARCH_PPC 1 #define __PPC__ 1 #define __PPC 1 #define PPC 1 Not on PPC64, though (only __PPC__ and __PPC64__ are defined). Change-Id: Ib57b52598e2f452985e9fffd145812f5098e441d Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com> Reviewed-by: Orgad Shaneh <orgads@gmail.com> Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
		
			
				
	
	
		
			492 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			492 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /****************************************************************************
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| **
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| ** Copyright (C) 2016 The Qt Company Ltd.
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| ** Contact: https://www.qt.io/licensing/
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| **
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| ** This file is part of Qt Creator.
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| **
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| ** Commercial License Usage
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| ** Licensees holding valid commercial Qt licenses may use this file in
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| ** accordance with the commercial license agreement provided with the
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| ** Software or, alternatively, in accordance with the terms contained in
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| ** a written agreement between you and The Qt Company. For licensing terms
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| ** and conditions see https://www.qt.io/terms-conditions. For further
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| ** information use the contact form at https://www.qt.io/contact-us.
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| **
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| ** GNU General Public License Usage
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| ** Alternatively, this file may be used under the terms of the GNU
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| ** General Public License version 3 as published by the Free Software
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| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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| ** included in the packaging of this file. Please review the following
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| ** information to ensure the GNU General Public License requirements will
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| ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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| **
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| ****************************************************************************/
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| 
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| #include <QDir>
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| #include <QProcess>
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| #include <QString>
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| #include <QtTest>
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| 
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| #include <iostream>
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| 
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| using namespace std;
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| 
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| enum Flags
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| {
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|     NoFlags = 0,
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|     Optimize = 1 << 1,
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|     DebugInfo = 1 << 2
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| };
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| 
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| struct Case
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| {
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|     Case() {}
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|     Case(const QByteArray &f, const QByteArray &c)
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|         : file(f), code(c)
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|     {}
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| 
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|     QByteArray file;
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|     QByteArray code;
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|     QByteArray gist;
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|     QByteArray extraCxxFlags;
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|     bool useExceptions;
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| };
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| 
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| struct Suite
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| {
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|     Suite() : flags(0) {}
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| 
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|     void clear() { cases.clear(); }
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| 
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|     QByteArray title;
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|     int flags;
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|     QByteArray cmd;
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|     QVector<Case> cases;
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| };
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| 
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| Q_DECLARE_METATYPE(Case)
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| Q_DECLARE_METATYPE(Suite)
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| 
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| struct TempStuff
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| {
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|     TempStuff() : buildTemp(QLatin1String("qt_tst_codesize"))
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|     {
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|         buildPath = QDir::currentPath() + QLatin1Char('/')  + buildTemp.path();
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|         buildTemp.setAutoRemove(false);
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|         QVERIFY(!buildPath.isEmpty());
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|     }
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| 
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|     QByteArray input;
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|     QTemporaryDir buildTemp;
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|     QString buildPath;
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| };
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| 
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| class tst_CodeSize : public QObject
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| {
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|     Q_OBJECT
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| 
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| public:
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|     tst_CodeSize()
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|     {
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|         m_makeBinary = "make";
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| #ifdef Q_OS_WIN
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| #  ifdef Q_CC_MSVC
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|         m_makeBinary = "nmake";
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| #  else
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|         m_makeBinary = "mingw32-make";
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| #  endif
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| #endif
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|         m_keepTemp = false;
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|         m_forceKeepTemp = false;
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|     }
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| 
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| private slots:
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|     void initTestCase();
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| 
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|     void codesize();
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|     void codesize_data();
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|     void init();
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|     void cleanup();
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| 
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| private:
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|     void disarm() { t->buildTemp.setAutoRemove(!keepTemp()); }
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|     bool keepTemp() const { return m_keepTemp || m_forceKeepTemp; }
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|     TempStuff *t;
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|     QByteArray m_qmakeBinary;
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|     QProcessEnvironment m_env;
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|     QString m_makeBinary;
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|     bool m_keepTemp;
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|     bool m_forceKeepTemp;
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| };
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| 
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| void tst_CodeSize::initTestCase()
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| {
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|     m_qmakeBinary = qgetenv("QTC_QMAKE_PATH_FOR_TEST");
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|     if (m_qmakeBinary.isEmpty())
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|         m_qmakeBinary = "qmake";
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|     qDebug() << "QMake              : " << m_qmakeBinary.constData();
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| 
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|     m_forceKeepTemp = qgetenv("QTC_KEEP_TEMP_FOR_TEST").toInt();
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|     qDebug() << "Force keep temp    : " << m_forceKeepTemp;
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| }
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| 
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| void tst_CodeSize::init()
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| {
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|     t = new TempStuff();
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| }
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| 
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| void tst_CodeSize::cleanup()
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| {
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|     if (!t->buildTemp.autoRemove()) {
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|         QFile logger(t->buildPath + QLatin1String("/input.txt"));
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|         logger.open(QIODevice::ReadWrite);
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|         logger.write(t->input);
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|     }
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|     delete t;
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| }
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| 
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| void tst_CodeSize::codesize()
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| {
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|     QFETCH(Suite, suite);
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|     static int suiteCount = 0;
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|     ++suiteCount;
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| 
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|     QFile bigPro(t->buildPath + QLatin1String("/doit.pro"));
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|     QVERIFY(bigPro.open(QIODevice::ReadWrite));
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|     bigPro.write("\nTEMPLATE = subdirs\n");
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|     bigPro.write("\nCONFIG += ordered\n");
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| 
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|     QFile mainPro(t->buildPath + "/main.pro");
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|     QVERIFY(mainPro.open(QIODevice::ReadWrite));
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|     mainPro.write("\n\nSOURCES += main.cpp");
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|     mainPro.write("\nCONFIG += c++11\n");
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| 
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|     QFile mainCpp(t->buildPath + QLatin1String("/main.cpp"));
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|     QVERIFY(mainCpp.open(QIODevice::ReadWrite));
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|     mainCpp.write("\n"
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|                "int main()\n"
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|                "{\n"
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|                "}\n");
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|     mainCpp.close();
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| 
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|     foreach (const Case &c, suite.cases) {
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|         QByteArray caseProName = c.file + ".pro";
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|         bigPro.write("\nSUBDIRS += " + caseProName);
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|         mainPro.write("\nLIBS += -l" + c.file);
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| 
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|         QFile casePro(t->buildPath + '/' + caseProName);
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|         QVERIFY(casePro.open(QIODevice::ReadWrite));
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|         casePro.write("\nTEMPLATE = lib");
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|         casePro.write("\nTARGET = " + c.file + "\n");
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|         casePro.write("\nCONFIG += staticlib\n");
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|         casePro.write("\nCONFIG += c++11\n");
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|         casePro.write("\nCONFIG -= app_bundle\n");
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| 
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|         if (suite.flags & Optimize) {
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|             casePro.write("\nCONFIG -= debug");
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|             casePro.write("\nCONFIG += release");
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|         } else {
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|             casePro.write("\nCONFIG -= release");
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|             casePro.write("\nCONFIG += debug");
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|         }
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| 
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|         casePro.write("\nSOURCES += " + c.file + ".cpp");
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|         if (!c.extraCxxFlags.isEmpty())
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|             casePro.write("\nQMAKE_CXXFLAGS += " + c.extraCxxFlags);
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| 
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|         QFile caseCpp(t->buildPath + QLatin1Char('/') + QLatin1String(c.file + ".cpp"));
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|         QVERIFY(caseCpp.open(QIODevice::ReadWrite));
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|         QByteArray fullCode = c.code;
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|         caseCpp.write(fullCode);
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|         caseCpp.close();
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|     }
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| 
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| #ifdef Q_OS_WIN
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|     mainPro.write("\nLIBS += -L$$OUT_PWD\\release");
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| #else
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|     mainPro.write("\nLIBS += -L$$OUT_PWD");
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| #endif
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|     mainPro.close();
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| 
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|     bigPro.write("\nSUBDIRS += main.pro");
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|     bigPro.close();
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| 
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|     QProcess qmake;
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|     qmake.setWorkingDirectory(t->buildPath);
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|     QString cmd = QString::fromLatin1(m_qmakeBinary + " -r doit.pro");
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|     qDebug() << "Starting qmake: " << cmd;
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|     qmake.start(cmd);
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| //    QVERIFY(qmake.waitForFinished());
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|     qmake.waitForFinished();
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|     QByteArray output = qmake.readAllStandardOutput();
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|     QByteArray error = qmake.readAllStandardError();
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|     //qDebug() << "stdout: " << output;
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|     if (!error.isEmpty()) { qDebug() << error; QVERIFY(false); }
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| 
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|     QProcess make;
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|     make.setWorkingDirectory(t->buildPath);
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|     make.setProcessEnvironment(m_env);
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| 
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|     make.start(m_makeBinary, QStringList());
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|     QVERIFY(make.waitForFinished());
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|     output = make.readAllStandardOutput();
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|     error = make.readAllStandardError();
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|     //qDebug() << "stdout: " << output;
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|     if (make.exitCode()) {
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|         qDebug() << error;
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| //        qDebug() << "\n------------------ CODE --------------------";
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| //        qDebug() << fullCode;
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| //        qDebug() << "\n------------------ CODE --------------------";
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|         qDebug() << ".pro: " << qPrintable(bigPro.fileName());
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|     }
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| 
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|     cout << "\n################################################################\n\n"
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|          << suite.title.data();
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| 
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|     bool ok = true;
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|     int i = 0;
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|     foreach (const Case &c, suite.cases) {
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|         ++i;
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|         cout << "\n\n===================== VARIANT " << suiteCount << '.' << i << ' '
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|              << " ================================"
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|              << "\n\nCode:            " << c.gist.data()
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|              << "\nOptimized:       " << ((suite.flags & Optimize) ? "Yes" : "No")
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|              << "\nExtra CXX Flags: " << c.extraCxxFlags.data();
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| #ifdef Q_OS_WIN
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| #    ifdef Q_CC_MSVC
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|         QByteArray finalCommand = suite.cmd + ' ' + "release\\" + c.file + ".obj";
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| #    else
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|         QByteArray finalCommand = suite.cmd + ' ' + "release\\" + c.file + ".o";
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| #    endif
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| #else
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|         QByteArray finalCommand = suite.cmd + ' ' + c.file + ".o";
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| #endif
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|         QProcess final;
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|         final.setWorkingDirectory(t->buildPath);
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|         final.setProcessEnvironment(m_env);
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|         cout << "\nCommand:         " << finalCommand.data()
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|              << "\n\n--------------------- OUTPUT " << suiteCount << '.' << i << ' '
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|              << " ---------------------------------\n\n";
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|         final.start(finalCommand);
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|         QVERIFY(final.waitForFinished());
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|         QByteArray stdOut = final.readAllStandardOutput();
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|         QByteArray stdErr = final.readAllStandardError();
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| 
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|         cout << stdOut.data();
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|         if (!stdErr.isEmpty()) {
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|             ok = false;
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|             qDebug() << "ERR: " << stdErr;
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|             break;
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|         }
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|     }
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|     cout << "\n#################################################################\n";
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| 
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|     QVERIFY(ok);
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|     disarm();
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| }
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| 
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| void tst_CodeSize::codesize_data()
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| {
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|     QTest::addColumn<Suite>("suite");
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| 
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|     Case c;
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|     Suite s;
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|     s.flags = Optimize;
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| 
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| // FIXME: Cannot be hardcoded. Assume matching qmake for now.
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| #ifdef Q_CC_MSVC
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|     s.cmd = "dumpbin /DISASM /SECTION:.text";
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| #else
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| # ifdef Q_OS_MAC
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|     s.cmd = "otool -t -v";
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| # else
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|     s.cmd = "objdump -D -j.text";
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| # endif
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| #endif
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|     s.title = "This 'test' compares different approaches to return something \n"
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|               "like an immutable string from a function.";
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|     c.file = "latin1string";
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|     c.gist = "QString f1() { return QLatin1String(\"foo\"); }\n";
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|     c.code = "#include <QString>\n" + c.gist;
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|     s.cases.append(c);
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| 
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|     c.file = "qstringliteral";
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|     c.gist = "QString f2() { return QStringLiteral(\"foo\"); }\n";
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|     c.code = "#include <QString>\n" + c.gist;
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|     s.cases.append(c);
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| 
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|     c.file = "std_string";
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|     c.gist = "std::string f3() { return \"foo\"; }\n";
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|     c.code = "#include <string>\n" + c.gist;
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|     s.cases.append(c);
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| 
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|     c.file = "std_string_2";
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|     c.gist = "std::string f4() { return \"foo\"; }\n";
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|     c.code = "#include <string>\n" + c.gist;
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|     c.extraCxxFlags = "-fno-stack-protector";
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|     s.cases.append(c);
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| 
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|     c.file = "char_pointer";
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|     c.gist = "const char *f5() { return \"foo\"; }\n";
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|     c.code = c.gist;
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|     s.cases.append(c);
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| 
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|     QTest::newRow("return_string") << s;
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|     s.clear();
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| 
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| 
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|     c.file = "one";
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|     c.gist = "one";
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|     c.code = "#include <functional>\n"
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|              "int x(int a) { return a * a; }\n"
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|              "void bar(std::function<int()>);\n"
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|              "void foo() { bar([] { return x(1); }); }\n";
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|     s.cases.append(c);
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| 
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|     c.file = "two";
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|     c.gist = "two";
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|     c.code = "#include <functional>\n"
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|              "int x(int a) { return a * a; }\n"
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|              "void bar(std::function<int()>);\n"
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|              "void foo1() { int a = 1; bar([a] { return x(a); }); }\n"
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|              "void foo2() { int a = 2; bar([a] { return x(a); }); }\n";
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|     s.cases.append(c);
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| 
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|     QTest::newRow("lambdas") << s;
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|     s.clear();
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| 
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| 
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|     QByteArray std_tie_code =
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|         "struct QMakeStepConfig\n"
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|         "{\n"
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|         "    enum TargetArchConfig { NoArch, X86, X86_64, PowerPC, PowerPC64 };\n"
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|         "    enum OsType { NoOsType, IphoneSimulator, IphoneOS };\n"
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|         "\n"
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|         "    QMakeStepConfig()\n"
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|         "        : e1(NoArch),\n"
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|         "          e2(NoOsType),\n"
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|         "          b1(false),\n"
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|         "          b2(false),\n"
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|         "          b3(false),\n"
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|         "          b4(false)\n"
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|         "    {}\n"
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|         "\n"
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|         "    TargetArchConfig e1;\n"
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|         "    OsType e2;\n"
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|         "    bool b1;\n"
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|         "    bool b2;\n"
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|         "    bool b3;\n"
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|         "    bool b4;\n"
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|         "};\n";
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| 
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|     c.file = "std__tie";
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|     c.gist = "std::tie";
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|     c.code = "#include <tuple>\n" + std_tie_code +
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|         "bool operator ==(const QMakeStepConfig &a, const QMakeStepConfig &b) {\n"
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|         "    return std::tie(a.e1, a.e2, a.b1, a.b2, a.b3, a.b4)\n"
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|         "        == std::tie(b.e1, b.e2, b.b1, b.b2, b.b3, b.b4);\n"
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|         "}\n";
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|     s.cases.append(c);
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| 
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|     c.file = "conventional";
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|     c.gist = "conventional";
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|     c.code = "" + std_tie_code +
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|         "bool operator ==(const QMakeStepConfig &a, const QMakeStepConfig &b) {\n"
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|         "    return a.e1 == b.e1 && a.e2 == b.e2 && a.b1 == b.b1\n"
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|         "        && a.b2 == b.b2 && a.b3 == b.b3 && a.b4 == b.b4;\n"
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|         "}\n";
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|     s.cases.append(c);
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| 
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|     QTest::newRow("std_tie") << s;
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|     s.clear();
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| 
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| 
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|     QByteArray mapInitPrefix =
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|         "#include <QMap>\n"
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|         "#include <QString>\n"
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|         "#include <QString>\n"
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|         "using namespace Qt;\n";
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| 
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|     QByteArray mapInitData =
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|         "        X(\"SPACE\", Key_Space)\n"
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|         "        X(\"TAB\", Key_Tab)\n"
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|         "        X(\"NL\", Key_Return)\n"
 | |
|         "        X(\"NEWLINE\", Key_Return)\n"
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|         "        X(\"LINEFEED\", Key_Return)\n"
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|         "        X(\"LF\", Key_Return)\n"
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|         "        X(\"CR\", Key_Return)\n"
 | |
|         "        X(\"RETURN\", Key_Return)\n"
 | |
|         "        X(\"ENTER\", Key_Return)\n"
 | |
|         "        X(\"BS\", Key_Backspace)\n"
 | |
|         "        X(\"BACKSPACE\", Key_Backspace)\n"
 | |
|         "        X(\"ESC\", Key_Escape)\n"
 | |
|         "        X(\"BAR\", Key_Bar)\n"
 | |
|         "        X(\"BSLASH\", Key_Backslash)\n"
 | |
|         "        X(\"DEL\", Key_Delete)\n"
 | |
|         "        X(\"DELETE\", Key_Delete)\n"
 | |
|         "        X(\"KDEL\", Key_Delete)\n"
 | |
|         "        X(\"UP\", Key_Up)\n"
 | |
|         "        X(\"DOWN\", Key_Down)\n"
 | |
|         "        X(\"LEFT\", Key_Left)\n"
 | |
|         "        Y(\"RIGHT\", Key_Right)\n";
 | |
| 
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|     c.file = "init_list_std_map_qlatin1string";
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|     c.gist = "init_list_std_map_qlatin1string";
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|     c.code = mapInitPrefix +
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|         "#define X(a, b) { QLatin1String(a), b },\n"
 | |
|         "#define Y(a, b) { QLatin1String(a), b }\n"
 | |
|         "const std::map<QString, int> &vimKeyNames() {\n"
 | |
|         "    static const std::map<QString, int> k = {\n" + mapInitData + "};\n"
 | |
|         "    return k;\n"
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|         "}";
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|     s.cases.append(c); // Result: 1116 bytes gcc 4.9.1 x86_64
 | |
| 
 | |
|     c.file = "init_list_qmap_qlatin1string";
 | |
|     c.gist = "init_list_qmap_qlatin1string";
 | |
|     c.code = mapInitPrefix +
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|         "#define X(a, b) { QLatin1String(a), b },\n"
 | |
|         "#define Y(a, b) { QLatin1String(a), b }\n"
 | |
|         "const QMap<QString, int> &vimKeyNames() {\n"
 | |
|         "    static const QMap<QString, int> k = {\n" + mapInitData + "};\n"
 | |
|         "    return k;\n"
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|         "}";
 | |
|     s.cases.append(c); // Result: 2953 bytes
 | |
| 
 | |
|     c.file = "init_list_qmap_qstringliteral";
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|     c.gist = "init_list_qmap_qstringliteral";
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|     c.code = mapInitPrefix +
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|         "#define X(a, b) { QStringLiteral(a), b },\n"
 | |
|         "#define Y(a, b) { QStringLiteral(a), b }\n"
 | |
|         "const QMap<QString, int> &vimKeyNames() {\n"
 | |
|         "    static const QMap<QString, int> k = {\n" + mapInitData + "};\n"
 | |
|         "    return k;\n"
 | |
|         "}";
 | |
|     s.cases.append(c); // Result: 1286 bytes
 | |
| 
 | |
|     c.file = "init_list_qmap_insert";
 | |
|     c.gist = "init_list_qmap_insert";
 | |
|     c.code = mapInitPrefix +
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|         "#define X(a, b) k.insert(QLatin1String(a), b);\n"
 | |
|         "#define Y(a, b) k.insert(QLatin1String(a), b);\n"
 | |
|         "const QMap<QString, int> &vimKeyNames() {\n"
 | |
|         "    static QMap<QString, int> k;\n"
 | |
|         "    if (k.isEmpty()) {\n" + mapInitData + "\n}\n"
 | |
|         "    return k;\n"
 | |
|         "}";
 | |
|     s.cases.append(c); // Result: 7412 bytes
 | |
| 
 | |
|     QTest::newRow("map_init") << s;
 | |
|     s.clear();
 | |
| 
 | |
| }
 | |
| 
 | |
| int main(int argc, char *argv[])
 | |
| {
 | |
|     QCoreApplication app(argc, argv);
 | |
|     tst_CodeSize test;
 | |
|     return QTest::qExec(&test, argc, argv);
 | |
| }
 | |
| 
 | |
| #include "tst_codesize.moc"
 |