Merge branch 'master' of ssh://codereview.qt-project.org:29418/playground/v4vm into v4

This is the initial merge of the v4vm JS engine, designed specifically for QML.

The engine is tested on Linux and Mac OS X, works on x86, x86-64 and ARM.

Change-Id: I826b72cfa3d3575007b70d78604080582db568db

Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 177 insertions, 0 deletions

diff --git a/src/qml/qml/v4vm/qv4isel_llvm_p.h b/src/qml/qml/v4vm/qv4isel_llvm_p.h
new file mode 100644
index 0000000000..00b6527e6a
--- /dev/null
+++ b/src/qml/qml/v4vm/qv4isel_llvm_p.h
@@ -0,0 +1,177 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the V4VM 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt 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 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QV4ISEL_LLVM_P_H
+#define QV4ISEL_LLVM_P_H
+
+#ifdef __clang__
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wunused-parameter"
+#endif // __clang__
+
+#include <llvm/Module.h>
+#include <llvm/PassManager.h>
+#include <llvm/IRBuilder.h>
+
+#ifdef __clang__
+#  pragma clang diagnostic pop
+#endif // __clang__
+
+#include "qv4isel_p.h"
+#include "qv4jsir_p.h"
+
+namespace QQmlJS {
+namespace LLVM {
+
+class InstructionSelection:
+        public llvm::IRBuilder<>,
+        public IR::InstructionSelection
+{
+public:
+    InstructionSelection(llvm::LLVMContext &context);
+
+    void buildLLVMModule(IR::Module *module, llvm::Module *llvmModule, llvm::FunctionPassManager *fpm);
+
+public: // methods from InstructionSelection:
+    virtual void callBuiltinInvalid(IR::Name *func, IR::ExprList *args, IR::Temp *result);
+    virtual void callBuiltinTypeofMember(IR::Temp *base, const QString &name, IR::Temp *result);
+    virtual void callBuiltinTypeofSubscript(IR::Temp *base, IR::Temp *index, IR::Temp *result);
+    virtual void callBuiltinTypeofName(const QString &name, IR::Temp *result);
+    virtual void callBuiltinTypeofValue(IR::Temp *value, IR::Temp *result);
+    virtual void callBuiltinDeleteMember(IR::Temp *base, const QString &name, IR::Temp *result);
+    virtual void callBuiltinDeleteSubscript(IR::Temp *base, IR::Temp *index, IR::Temp *result);
+    virtual void callBuiltinDeleteName(const QString &name, IR::Temp *result);
+    virtual void callBuiltinDeleteValue(IR::Temp *result);
+    virtual void callBuiltinPostDecrementMember(IR::Temp *base, const QString &name, IR::Temp *result);
+    virtual void callBuiltinPostDecrementSubscript(IR::Temp *base, IR::Temp *index, IR::Temp *result);
+    virtual void callBuiltinPostDecrementName(const QString &name, IR::Temp *result);
+    virtual void callBuiltinPostDecrementValue(IR::Temp *value, IR::Temp *result);
+    virtual void callBuiltinPostIncrementMember(IR::Temp *base, const QString &name, IR::Temp *result);
+    virtual void callBuiltinPostIncrementSubscript(IR::Temp *base, IR::Temp *index, IR::Temp *result);
+    virtual void callBuiltinPostIncrementName(const QString &name, IR::Temp *result);
+    virtual void callBuiltinPostIncrementValue(IR::Temp *value, IR::Temp *result);
+    virtual void callBuiltinThrow(IR::Temp *arg);
+    virtual void callBuiltinCreateExceptionHandler(IR::Temp *result);
+    virtual void callBuiltinFinishTry();
+    virtual void callBuiltinForeachIteratorObject(IR::Temp *arg, IR::Temp *result);
+    virtual void callBuiltinForeachNextPropertyname(IR::Temp *arg, IR::Temp *result);
+    virtual void callBuiltinPushWithScope(IR::Temp *arg);
+    virtual void callBuiltinPopScope();
+    virtual void callBuiltinDeclareVar(bool deletable, const QString &name);
+    virtual void callBuiltinDefineGetterSetter(IR::Temp *object, const QString &name, IR::Temp *getter, IR::Temp *setter);
+    virtual void callBuiltinDefineProperty(IR::Temp *object, const QString &name, IR::Temp *value);
+    virtual void callBuiltinDefineArray(IR::Temp *result, IR::ExprList *args);
+    virtual void callValue(IR::Temp *value, IR::ExprList *args, IR::Temp *result);
+    virtual void callProperty(IR::Temp *base, const QString &name, IR::ExprList *args, IR::Temp *result);
+    virtual void callSubscript(IR::Temp *base, IR::Temp *index, IR::ExprList *args, IR::Temp *result);
+    virtual void constructActivationProperty(IR::Name *func, IR::ExprList *args, IR::Temp *result);
+    virtual void constructProperty(IR::Temp *base, const QString &name, IR::ExprList *args, IR::Temp *result);
+    virtual void constructValue(IR::Temp *value, IR::ExprList *args, IR::Temp *result);
+    virtual void loadThisObject(IR::Temp *temp);
+    virtual void loadConst(IR::Const *con, IR::Temp *temp);
+    virtual void loadString(const QString &str, IR::Temp *targetTemp);
+    virtual void loadRegexp(IR::RegExp *sourceRegexp, IR::Temp *targetTemp);
+    virtual void getActivationProperty(const QString &name, IR::Temp *temp);
+    virtual void setActivationProperty(IR::Temp *source, const QString &targetName);
+    virtual void initClosure(IR::Closure *closure, IR::Temp *target);
+    virtual void getProperty(IR::Temp *sourceBase, const QString &sourceName, IR::Temp *target);
+    virtual void setProperty(IR::Temp *source, IR::Temp *targetBase, const QString &targetName);
+    virtual void getElement(IR::Temp *sourceBase, IR::Temp *sourceIndex, IR::Temp *target);
+    virtual void setElement(IR::Temp *source, IR::Temp *targetBase, IR::Temp *targetIndex);
+    virtual void copyValue(IR::Temp *sourceTemp, IR::Temp *targetTemp);
+    virtual void unop(IR::AluOp oper, IR::Temp *sourceTemp, IR::Temp *targetTemp);
+    virtual void binop(IR::AluOp oper, IR::Temp *leftSource, IR::Temp *rightSource, IR::Temp *target);
+    virtual void inplaceNameOp(IR::AluOp oper, IR::Temp *rightSource, const QString &targetName);
+    virtual void inplaceElementOp(IR::AluOp oper, IR::Temp *source, IR::Temp *targetBaseTemp, IR::Temp *targetIndexTemp);
+    virtual void inplaceMemberOp(IR::AluOp oper, IR::Temp *source, IR::Temp *targetBase, const QString &targetName);
+
+public: // visitor methods for StmtVisitor:
+    virtual void visitJump(IR::Jump *);
+    virtual void visitCJump(IR::CJump *);
+    virtual void visitRet(IR::Ret *);
+    virtual void visitTry(IR::Try *);
+
+private:
+    llvm::Function *getRuntimeFunction(llvm::StringRef str);
+    llvm::Function *getLLVMFunction(IR::Function *function);
+    llvm::Function *compileLLVMFunction(IR::Function *function);
+    llvm::BasicBlock *getLLVMBasicBlock(IR::BasicBlock *block);
+    llvm::Value *getLLVMTempReference(IR::Expr *expr);
+    llvm::Value *getLLVMCondition(IR::Expr *expr);
+    llvm::Value *getLLVMTemp(IR::Temp *temp);
+    llvm::Value *getStringPtr(const QString &s);
+    llvm::Value *getIdentifier(const QString &s);
+    llvm::AllocaInst *newLLVMTemp(llvm::Type *type, llvm::Value *size = 0);
+    llvm::Value * genArguments(IR::ExprList *args, int &argc);
+    void genCallTemp(IR::Call *e, llvm::Value *result = 0);
+    void genCallName(IR::Call *e, llvm::Value *result = 0);
+    void genCallMember(IR::Call *e, llvm::Value *result = 0);
+    void genConstructTemp(IR::New *e, llvm::Value *result = 0);
+    void genConstructName(IR::New *e, llvm::Value *result = 0);
+    void genConstructMember(IR::New *e, llvm::Value *result = 0);
+    llvm::Value *createValue(IR::Const *e);
+    llvm::Value *toValuePtr(IR::Expr *e);
+    llvm::Value *genStringList(const QList<const QString *> &strings,
+                               const char *arrayName, const char *elementName);
+
+
+private:
+    llvm::Module *_llvmModule;
+    llvm::Function *_llvmFunction;
+    llvm::Value *_llvmValue;
+    llvm::Type *_numberTy;
+    llvm::Type *_valueTy;
+    llvm::Type *_contextPtrTy;
+    llvm::Type *_stringPtrTy;
+    llvm::FunctionType *_functionTy;
+    llvm::Instruction *_allocaInsertPoint;
+    IR::Function *_function;
+    IR::BasicBlock *_block;
+    QHash<IR::Function *, llvm::Function *> _functionMap;
+    QHash<IR::BasicBlock *, llvm::BasicBlock *> _blockMap;
+    QVector<llvm::Value *> _tempMap;
+    QHash<QString, llvm::Value *> _stringMap;
+    llvm::FunctionPassManager *_fpm;
+};
+
+} // LLVM namespace
+} // QQmlJS namespace
+
+#endif // QV4ISEL_LLVM_P_H