C++ ConstHandle::llvmLType方法代码示例

 CG::ExprValue CreateConstValue::buildExprValue( CG::BasicBlockBuilder &basicBlockBuilder, CG::Usage usage, std::string const &lValueErrorDesc ) const
 {
   if ( usage == CG::USAGE_LVALUE )
     throw Exception( "cannot be used as l-values" );
   
   CG::ExprType childExprType = m_child->getExprType( basicBlockBuilder );
   RC::ConstHandle<CG::ValueProducerAdapter> valueProducerAdapter = basicBlockBuilder.getManager()->getValueProducerOf( childExprType.getAdapter() );
   
   RC::Handle<CG::Context> context = basicBlockBuilder.getContext();
   llvm::LLVMContext &llvmContext = context->getLLVMContext();
   
   std::vector<llvm::Type const *> argTypes;
   argTypes.push_back( llvm::Type::getInt8PtrTy( llvmContext ) );
   argTypes.push_back( llvm::Type::getInt8PtrTy( llvmContext ) );
   argTypes.push_back( valueProducerAdapter->llvmLType( context ) );
   llvm::FunctionType const *funcType = llvm::FunctionType::get( llvm::Type::getVoidTy( llvmContext ), argTypes, false );
   llvm::Constant *func = basicBlockBuilder.getModuleBuilder()->getOrInsertFunction( "__MR_CreateConstValue", funcType );
   
   CG::ExprValue childExprRValue = m_child->buildExprValue( basicBlockBuilder, CG::USAGE_RVALUE, lValueErrorDesc );
   llvm::Value *childExprLValue = childExprType.getAdapter()->llvmRValueToLValue( basicBlockBuilder, childExprRValue.getValue() );
   llvm::Value *resultLValue = valueProducerAdapter->llvmAlloca( basicBlockBuilder, "result" );
   valueProducerAdapter->llvmInit( basicBlockBuilder, resultLValue );
   basicBlockBuilder.getScope().put(
     CG::VariableSymbol::Create(
       CG::ExprValue(
         valueProducerAdapter,
         CG::USAGE_LVALUE,
         context,
         resultLValue
         )
       )
     );
   
   basicBlockBuilder->CreateCall3(
     func,
     valueProducerAdapter->llvmAdapterPtr( basicBlockBuilder ),
     basicBlockBuilder->CreatePointerCast(
       childExprLValue,
       llvm::Type::getInt8PtrTy( llvmContext )
       ),
     resultLValue
     );
   
   return CG::ExprValue(
     valueProducerAdapter,
     CG::USAGE_RVALUE,
     context,
     valueProducerAdapter->llvmLValueToRValue( basicBlockBuilder, resultLValue )
     );
 }

    CG::ExprValue CreateValueCache::buildExprValue( CG::BasicBlockBuilder &basicBlockBuilder, CG::Usage usage, std::string const &lValueErrorDesc ) const
    {
      if ( usage == CG::USAGE_LVALUE )
        throw Exception( "cannot be used as l-values" );

      RC::Handle<CG::Context> context = basicBlockBuilder.getContext();
      llvm::LLVMContext &llvmContext = context->getLLVMContext();
      
      CG::ExprType inputExprType = m_input->getExprType( basicBlockBuilder );
      if ( !RT::isValueProducer( inputExprType.getAdapter()->getType() ) )
        throw CG::Error( getLocation(), "input must be a value producer" );
      RC::ConstHandle<CG::ValueProducerAdapter> valueProducerAdapter = RC::ConstHandle<CG::ValueProducerAdapter>::StaticCast( inputExprType.getAdapter() );
      RC::ConstHandle<CG::Adapter> valueAdapter = valueProducerAdapter->getValueAdapter();
     
      CG::ExprValue inputExprRValue = m_input->buildExprValue( basicBlockBuilder, CG::USAGE_RVALUE, lValueErrorDesc );
      llvm::Value *resultLValue = valueProducerAdapter->llvmAlloca( basicBlockBuilder, "result" );

      valueProducerAdapter->llvmInit( basicBlockBuilder, resultLValue );
      basicBlockBuilder.getScope().put(
        CG::VariableSymbol::Create(
          CG::ExprValue(
            valueProducerAdapter,
            CG::USAGE_LVALUE,
            context,
            resultLValue
            )
          )
        );

      std::vector<llvm::Type const *> argTypes;
      argTypes.push_back( valueProducerAdapter->llvmLType( context ) );
      argTypes.push_back( valueProducerAdapter->llvmLType( context ) );
      llvm::FunctionType const *funcType = llvm::FunctionType::get( llvm::Type::getVoidTy( llvmContext ), argTypes, false );
      llvm::Constant *func = basicBlockBuilder.getModuleBuilder()->getOrInsertFunction( "__MR_CreateValueCache", funcType );
      
      basicBlockBuilder->CreateCall2(
        func,
        inputExprRValue.getValue(),
        resultLValue
        );
      
      return CG::ExprValue(
        valueProducerAdapter,
        CG::USAGE_RVALUE,
        context,
        valueProducerAdapter->llvmLValueToRValue( basicBlockBuilder, resultLValue )
        );
    }

    CG::ExprValue CreateArrayGenerator::buildExprValue( CG::BasicBlockBuilder &basicBlockBuilder, CG::Usage usage, std::string const &lValueErrorDesc ) const
    {
      if ( usage == CG::USAGE_LVALUE )
        throw Exception( "cannot be used as l-values" );
      
      RC::Handle<CG::Context> context = basicBlockBuilder.getContext();
      llvm::LLVMContext &llvmContext = context->getLLVMContext();
      RC::ConstHandle<CG::SizeAdapter> sizeAdapter = basicBlockBuilder.getManager()->getSizeAdapter();
            
      RC::ConstHandle<CG::Symbol> operatorSymbol = basicBlockBuilder.getScope().get( m_operatorName );
      if ( !operatorSymbol )
        throw CG::Error( getLocation(), _(m_operatorName) + ": operator not found" );
      if ( !operatorSymbol->isPencil() )
        throw CG::Error( getLocation(), _(m_operatorName) + ": not an operator" );
      RC::ConstHandle<CG::PencilSymbol> pencil = RC::ConstHandle<CG::PencilSymbol>::StaticCast( operatorSymbol );
      CG::Function const *function = pencil->getUniqueFunction( getLocation(), "operator " + _(m_operatorName) );
      std::vector<CG::FunctionParam> const &operatorParams = function->getParams();
      if ( operatorParams.size() < 1 )
        throw MR::ArrayGeneratorOperator::GetPrototypeException();

      CG::ExprType countExprType = m_count->getExprType( basicBlockBuilder );
      if ( !RT::isValueProducer( countExprType.getAdapter()->getType() ) )
        throw CG::Error( getLocation(), "count must be a value producer" );
      RC::ConstHandle<CG::ValueProducerAdapter> countValueProducerAdapter = RC::ConstHandle<CG::ValueProducerAdapter>::StaticCast( countExprType.getAdapter() );
      RC::ConstHandle<CG::Adapter> countAdapter = countValueProducerAdapter->getValueAdapter();
      if ( countAdapter != sizeAdapter )
        throw CG::Error( getLocation(), "count value type must be 'Size'" );
      CG::ExprValue countValueProducerExprValue = m_count->buildExprValue( basicBlockBuilder, CG::USAGE_RVALUE, lValueErrorDesc );
        
      if ( operatorParams[0].getUsage() != CG::USAGE_LVALUE )
        throw CG::Error( getLocation(), "operator value parameter must be an 'io' parameter" );
      RC::ConstHandle<CG::Adapter> outputAdapter = operatorParams[0].getAdapter();
      RC::ConstHandle<CG::ArrayProducerAdapter> outputArrayProducerAdapter = basicBlockBuilder.getManager()->getArrayProducerOf( outputAdapter );
      llvm::Value *resultLValue = outputArrayProducerAdapter->llvmAlloca( basicBlockBuilder, "result" );
      outputArrayProducerAdapter->llvmInit( basicBlockBuilder, resultLValue );
      basicBlockBuilder.getScope().put(
        CG::VariableSymbol::Create(
          CG::ExprValue(
            outputArrayProducerAdapter,
            CG::USAGE_LVALUE,
            context,
            resultLValue
            )
          )
        );
    
      bool needCall = true;
      if ( operatorParams.size() >= 2 )
      {
        if ( operatorParams[1].getAdapter() != sizeAdapter )
          throw CG::Error( getLocation(), "operator index parameter type (" + operatorParams[1].getAdapter()->getUserName() + ") must be 'Size'" );
        if ( operatorParams[1].getUsage() != CG::USAGE_RVALUE )
          throw CG::Error( getLocation(), "operator index parameter must be an 'in' parameter" );
          
        if ( operatorParams.size() >= 3 )
        {
          if ( operatorParams[2].getAdapter() != sizeAdapter )
            throw CG::Error( getLocation(), "operator index parameter type (" + operatorParams[2].getAdapter()->getUserName() + ") must be 'Size'" );
          if ( operatorParams[2].getUsage() != CG::USAGE_RVALUE )
            throw CG::Error( getLocation(), "operator index parameter must be an 'in' parameter" );
            
          if ( operatorParams.size() >= 4 )
          {
            if ( operatorParams.size() > 4 )
              throw MR::ArrayGeneratorOperator::GetPrototypeException();
              
            if ( !m_shared )
              throw CG::Error( getLocation(), "operator takes a shared value but no shared value is provided" );
              
            CG::ExprType sharedExprType = m_shared->getExprType( basicBlockBuilder );
            if ( !RT::isValueProducer( sharedExprType.getAdapter()->getType() ) )
              throw CG::Error( getLocation(), "shared value must be a value producer" );
            RC::ConstHandle<CG::ValueProducerAdapter> sharedValueProducerAdapter = RC::ConstHandle<CG::ValueProducerAdapter>::StaticCast( sharedExprType.getAdapter() );
            RC::ConstHandle<CG::Adapter> sharedAdapter = sharedValueProducerAdapter->getValueAdapter();

            if ( operatorParams[3].getAdapter() != sharedAdapter )
              throw CG::Error( getLocation(), "operator shared value parameter type (" + operatorParams[3].getAdapter()->getUserName() + ") does not match shared value type (" + sharedAdapter->getUserName() + ")" );
            if ( operatorParams[3].getUsage() != CG::USAGE_RVALUE )
              throw CG::Error( getLocation(), "operator shared value parameter must be an 'in' parameter" );

            CG::ExprValue sharedExprRValue = m_shared->buildExprValue( basicBlockBuilder, CG::USAGE_RVALUE, lValueErrorDesc );

            std::vector<llvm::Type const *> argTypes;
            argTypes.push_back( llvm::Type::getInt8PtrTy( llvmContext ) ); // function
            argTypes.push_back( sizeAdapter->llvmRType( context ) ); // numParams
            argTypes.push_back( countValueProducerAdapter->llvmLType( context ) ); // count value producer
            argTypes.push_back( sharedValueProducerAdapter->llvmLType( context ) ); // shared value producer
            argTypes.push_back( llvm::Type::getInt8PtrTy( llvmContext ) ); // output array producer adapter
            argTypes.push_back( outputArrayProducerAdapter->llvmLType( context ) ); // output array producer
            llvm::FunctionType const *funcType = llvm::FunctionType::get( llvm::Type::getVoidTy( llvmContext ), argTypes, false );
            llvm::Constant *func = basicBlockBuilder.getModuleBuilder()->getOrInsertFunction( "__MR_CreateArrayGenerator_4", funcType );
            
            std::vector<llvm::Value *> args;
            args.push_back( basicBlockBuilder->CreateBitCast(
              function->getLLVMFunction(),
              llvm::Type::getInt8PtrTy( llvmContext )
              ) );
            args.push_back( sizeAdapter->llvmConst( context, operatorParams.size() ) );
            args.push_back( countValueProducerExprValue.getValue() );
            args.push_back( sharedExprRValue.getValue() );
//.........这里部分代码省略.........

    void ContainerLoop::llvmCompileToBuilder( CG::BasicBlockBuilder &parentBasicBlockBuilder, CG::Diagnostics &diagnostics ) const
    {
      try
      {
        CG::BasicBlockBuilder &basicBlockBuilder = parentBasicBlockBuilder;
        
        RC::Handle<CG::Context> context = parentBasicBlockBuilder.getContext();
        
        CG::ExprValue dictExprValue = m_dictExpr->buildExprValue( parentBasicBlockBuilder, CG::USAGE_UNSPECIFIED, "" );
        RC::ConstHandle<CG::Adapter> adapter = dictExprValue.getAdapter();
        if ( !RT::isDict( adapter->getType() ) )
          throw CG::Error( m_dictExpr->getLocation(), "must be a dictionary" );
        RC::ConstHandle<CG::DictAdapter> dictAdapter = RC::ConstHandle<CG::DictAdapter>::StaticCast( adapter );
        RC::ConstHandle<CG::ComparableAdapter> keyAdapter = dictAdapter->getKeyAdapter();
        RC::ConstHandle<CG::Adapter> valueAdapter = dictAdapter->getValueAdapter();

        llvm::Type *nodePtrType = dictAdapter->getLLVMNodePtrType( context );
        llvm::Instruction *nodePtrPtr = new llvm::AllocaInst( nodePtrType );
        nodePtrPtr->setName( m_keyName );
        
        // [pzion 20111019] We allocate variables at the top of the function
        CG::FunctionBuilder &functionBuilder = parentBasicBlockBuilder.getFunctionBuilder();
        llvm::BasicBlock &entryBB = functionBuilder->getEntryBlock();
        llvm::BasicBlock::iterator it = entryBB.begin();
        while ( it != entryBB.end() )
        {
          if ( !llvm::isa<llvm::AllocaInst>(*it) )
            break;
          ++it;
        }
        entryBB.getInstList().insert( it, nodePtrPtr );
        
        llvm::Value *bitsPtr = basicBlockBuilder->CreateLoad( dictExprValue.getValue() );
        
        llvm::BasicBlock *startBB = parentBasicBlockBuilder.getFunctionBuilder().createBasicBlock( "containerLoopStart" );
        llvm::BasicBlock *checkBB = parentBasicBlockBuilder.getFunctionBuilder().createBasicBlock( "containerLoopCheck" );
        llvm::BasicBlock *bodyBB = parentBasicBlockBuilder.getFunctionBuilder().createBasicBlock( "containerLoopBody" );
        llvm::BasicBlock *stepBB = parentBasicBlockBuilder.getFunctionBuilder().createBasicBlock( "containerLoopStep" );
        llvm::BasicBlock *endBB = parentBasicBlockBuilder.getFunctionBuilder().createBasicBlock( "containerLoopEnd" );
        
        basicBlockBuilder->CreateCondBr(
          basicBlockBuilder->CreateIsNotNull( bitsPtr ),
          startBB,
          endBB
          );
        
        // [pzion 20111019] Load bits->firstNode into llvmNodePtrPtr
        basicBlockBuilder->SetInsertPoint( startBB );
        llvm::Value *firstNodePtrPtr = basicBlockBuilder->CreateStructGEP( bitsPtr, 3 );
        llvm::Value *firstNodePtr = basicBlockBuilder->CreateLoad( firstNodePtrPtr );
        basicBlockBuilder->CreateStore( firstNodePtr, nodePtrPtr );
        basicBlockBuilder->CreateBr( checkBB );

        basicBlockBuilder->SetInsertPoint( checkBB );
        llvm::Value *nodePtr = basicBlockBuilder->CreateLoad( nodePtrPtr );
        basicBlockBuilder->CreateCondBr(
          basicBlockBuilder->CreateIsNull( nodePtr ),
          endBB,
          bodyBB
          );

        basicBlockBuilder->SetInsertPoint( bodyBB );
        llvm::Value *bitsNextNodePtrPtr = basicBlockBuilder->CreateStructGEP( nodePtr, 1 );
        llvm::Value *bitsNextNodePtr = basicBlockBuilder->CreatePointerCast(
          basicBlockBuilder->CreateLoad( bitsNextNodePtrPtr ),
          nodePtrType
          );
        {
          CG::LoopScope loopScope( parentBasicBlockBuilder.getScope(), endBB, stepBB );
          llvm::Value *keyLValue = basicBlockBuilder->CreatePointerCast(
            basicBlockBuilder->CreateStructGEP( nodePtr, 5 ),
            keyAdapter->llvmLType( context )
            );
          llvm::Value *keyRValue = keyAdapter->llvmLValueToRValue( basicBlockBuilder, keyLValue );
          loopScope.put( m_keyName, CG::ParameterSymbol::Create( CG::ExprValue( keyAdapter, CG::USAGE_RVALUE, context, keyRValue ) ) );
          llvm::Value *valueRValue = 0;
          if ( m_valueName.length() > 0 )
          {
            llvm::Value *valueLValue = basicBlockBuilder->CreatePointerCast(
              basicBlockBuilder->CreateConstGEP2_32(
                basicBlockBuilder->CreateStructGEP( nodePtr, 5 ),
                0,
                keyAdapter->getImpl()->getAllocSize()
                ),
              valueAdapter->llvmLType( context )
              );
            switch ( dictExprValue.getUsage() )
            {
              case CG::USAGE_RVALUE:
              {
                valueRValue = valueAdapter->llvmLValueToRValue( basicBlockBuilder, valueLValue );
                loopScope.put( m_valueName, CG::ParameterSymbol::Create( CG::ExprValue( valueAdapter, CG::USAGE_RVALUE, context, valueRValue ) ) );
              }
              break;
              
              case CG::USAGE_LVALUE:
              {
                loopScope.put( m_valueName, CG::ParameterSymbol::Create( CG::ExprValue( valueAdapter, CG::USAGE_LVALUE, context, valueLValue ) ) );
              }
              break;
//.........这里部分代码省略.........