C++ ConstHandle::llvmInit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 )
        );
    }

    void ArrayAdapter::llvmThrowOutOfRangeException(
      BasicBlockBuilder &basicBlockBuilder,
      llvm::Value *itemDescRValue,
      llvm::Value *indexRValue,
      llvm::Value *sizeRValue,
      llvm::Value *errorDescRValue
      ) const
    {
      RC::Handle<Context> context = basicBlockBuilder.getContext();
      RC::ConstHandle<SizeAdapter> sizeAdapter = basicBlockBuilder.getManager()->getSizeAdapter();
      RC::ConstHandle<StringAdapter> stringAdapter = basicBlockBuilder.getManager()->getStringAdapter();
      RC::ConstHandle<ConstStringAdapter> constStringAdapter = basicBlockBuilder.getManager()->getConstStringAdapter();

      std::vector<llvm::Type const *> argTypes;
      argTypes.push_back( constStringAdapter->llvmRType( context ) );
      argTypes.push_back( sizeAdapter->llvmRType( context ) );
      argTypes.push_back( sizeAdapter->llvmRType( context ) );
      argTypes.push_back( constStringAdapter->llvmRType( context ) );
      llvm::FunctionType const *funcType = llvm::FunctionType::get( basicBlockBuilder->getVoidTy(), argTypes, false );
      
      llvm::AttributeWithIndex AWI[1];
      AWI[0] = llvm::AttributeWithIndex::get( ~0u, 0 /*llvm::Attribute::InlineHint | llvm::Attribute::NoUnwind*/ );
      llvm::AttrListPtr attrListPtr = llvm::AttrListPtr::get( AWI, 1 );

      std::string name = "__ThrowOutOfRangeException";
      llvm::Function *func = llvm::cast<llvm::Function>( basicBlockBuilder.getModuleBuilder()->getFunction( name ) );
      if ( !func )
      {
        ModuleBuilder &mb = basicBlockBuilder.getModuleBuilder();
        
        func = llvm::cast<llvm::Function>( mb->getOrInsertFunction( name, funcType, attrListPtr ) ); 
        func->setLinkage( llvm::GlobalValue::PrivateLinkage );
        
        FunctionBuilder fb( mb, funcType, func );
        llvm::Argument *itemRValue = fb[0];
        itemRValue->setName( "itemRValue" );
        itemRValue->addAttr( llvm::Attribute::NoCapture );
        llvm::Argument *indexRValue = fb[1];
        indexRValue->setName( "indexRValue" );
        llvm::Argument *sizeRValue = fb[2];
        sizeRValue->setName( "sizeRValue" );
        llvm::Argument *errorDescRValue = fb[3];
        errorDescRValue->setName( "errorDescRValue" );
        errorDescRValue->addAttr( llvm::Attribute::NoCapture );
        
        BasicBlockBuilder bbb( fb );
        llvm::BasicBlock *entryBB = fb.createBasicBlock( "entry" );
        bbb->SetInsertPoint( entryBB );

        llvm::Value *errorMsg1PlusIndexPlusErrorMsg2PlusSizePlusErrorMsg3LValue;
        {
          Scope subScope( bbb.getScope() );
          BasicBlockBuilder subBasicBlockBuilder( bbb, subScope );

          llvm::BasicBlock *haveErrorDescBB = fb.createBasicBlock( "haveErrorDescBB" );
          llvm::BasicBlock *noErrorDescBB = fb.createBasicBlock( "noErrorDescBB" );
          llvm::BasicBlock *goBB = fb.createBasicBlock( "goBB" );

          subBasicBlockBuilder->CreateCondBr(
            subBasicBlockBuilder->CreateIsNotNull( errorDescRValue ),
            haveErrorDescBB,
            noErrorDescBB
            );
            
          subBasicBlockBuilder->SetInsertPoint( haveErrorDescBB );
          llvm::Value *haveErrorDescConstStringRValue = errorDescRValue;
          subBasicBlockBuilder->CreateBr( goBB );
            
          subBasicBlockBuilder->SetInsertPoint( noErrorDescBB );
          llvm::Value *noErrorDescConstStringRValue = constStringAdapter->llvmConst( subBasicBlockBuilder, "KL" );
          subBasicBlockBuilder->CreateBr( goBB );

          subBasicBlockBuilder->SetInsertPoint( goBB );
          llvm::PHINode *errorDescConstStringRValue = subBasicBlockBuilder->CreatePHI( haveErrorDescConstStringRValue->getType(), "errorDescConstStringRValue" );
          errorDescConstStringRValue->addIncoming( haveErrorDescConstStringRValue, haveErrorDescBB );
          errorDescConstStringRValue->addIncoming( noErrorDescConstStringRValue, noErrorDescBB );

          llvm::Value *errorMsg0RValue = stringAdapter->llvmCast(
            subBasicBlockBuilder,
            ExprValue( constStringAdapter, USAGE_RVALUE, context, errorDescConstStringRValue )
            );
          
          llvm::Value *errorMsgARValue = stringAdapter->llvmCast( subBasicBlockBuilder,
            ExprValue( constStringAdapter, USAGE_RVALUE, context, constStringAdapter->llvmConst( subBasicBlockBuilder, ": " ) )
            );
          
          llvm::Value *errorMsgALValue = stringAdapter->llvmAlloca( subBasicBlockBuilder, "errorMsgA" );
          stringAdapter->llvmInit( subBasicBlockBuilder, errorMsgALValue );
          stringAdapter->llvmCallConcat(
            subBasicBlockBuilder,
            errorMsg0RValue,
            errorMsgARValue,
            errorMsgALValue
            );
          
          llvm::Value *errorMsgBRValue = stringAdapter->llvmCast( subBasicBlockBuilder,
            ExprValue( constStringAdapter, USAGE_RVALUE, context, itemRValue )
            );
          
          llvm::Value *errorMsgBLValue = stringAdapter->llvmAlloca( subBasicBlockBuilder, "errorMsgB" );
//.........这里部分代码省略.........

    ExprValue Function::llvmCreateCall( BasicBlockBuilder &basicBlockBuilder, std::vector<ExprValue> &args ) const
    {
      RC::Handle<Context> context = basicBlockBuilder.getContext();
      
      if ( m_params.size() != args.size() )
        throw Exception( "incorrect number of arguments (expected %u, actual %u)", (unsigned)m_params.size(), (unsigned)args.size() );

      for ( size_t i=0; i<args.size(); ++i )
      {
        FunctionParam const &param = m_params[i];
        ExprValue &arg = args[i];

        if( !arg.isValid() )
          throw Exception( "expression is invalid" );
        
        try
        {
          arg.castTo( basicBlockBuilder, param.getExprType() );
        }
        catch ( Exception e )
        {
          throw Exception( "argument %u ('%s'): %s", (unsigned)(i + 1), param.getName().c_str(), (const char*)e.getDesc() );
        }
      }

      llvm::Value *returnValue = 0;
      if ( m_returnInfo.usesReturnLValue() )
      {
        RC::ConstHandle<Adapter> returnAdapter = m_returnInfo.getAdapter();
        returnValue = returnAdapter->llvmAlloca( basicBlockBuilder, "resultLValue" );
        returnAdapter->llvmInit( basicBlockBuilder, returnValue );
        args.resize( args.size() + 1, ExprValue(context) );
        for ( size_t i=1; i<args.size(); ++i )
          args[args.size()-i] = args[args.size()-i-1];
        args[0] = ExprValue( returnAdapter, USAGE_LVALUE, context, returnValue );
        basicBlockBuilder.getScope().put( CG::VariableSymbol::Create( args[0] ) );
      }
      
      std::vector<llvm::Value *> argValues;
      for ( size_t i=0; i<args.size(); ++i )
        argValues.push_back( args[i].getValue() );
      /*
      llvm::BasicBlock *lpbb = basicBlockBuilder.getFunctionBuilder()->createBasicBlock( "lpbb" );
      llvm::BasicBlock *normalbb = basicBlockBuilder.getFunctionBuilder()->createBasicBlock( "normalbb" );

      llvm::Value *resultValue = basicBlockBuilder->CreateInvoke( m_llvmFunction, normalbb, lpbb, argValues );

      if( !m_returnInfo.usesReturnLValue() )
        returnValue = resultValue;

      basicBlockBuilder->SetInsertPoint( lpbb );
      basicBlockBuilder->CreateLandingPad();
      basicBlockBuilder->CreateBr( normalbb );

      basicBlockBuilder->SetInsertPoint( normalbb );
      */

      llvm::Value *resultValue = basicBlockBuilder->CreateCall( m_llvmFunction, argValues );
      if( !m_returnInfo.usesReturnLValue() )
        returnValue = resultValue;

      return CG::ExprValue( m_returnInfo.getExprType(), context, returnValue );
    }

    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.........