C++ (Cpp) CodeGenFunction::EmitCXXAggrConstructorCall Examples

Example #1

static void EmitNewInitializer(CodeGenFunction &CGF, const CXXNewExpr *E,
                               llvm::Value *NewPtr,
                               llvm::Value *NumElements) {
  QualType AllocType = E->getAllocatedType();

  if (!E->isArray()) {
    if (CXXConstructorDecl *Ctor = E->getConstructor()) {
      CGF.EmitCXXConstructorCall(Ctor, Ctor_Complete, NewPtr,
                                 E->constructor_arg_begin(),
                                 E->constructor_arg_end());

      return;
    }
    
    // We have a POD type.
    if (E->getNumConstructorArgs() == 0)
      return;

    assert(E->getNumConstructorArgs() == 1 &&
           "Can only have one argument to initializer of POD type.");
      
    const Expr *Init = E->getConstructorArg(0);
    
    if (!CGF.hasAggregateLLVMType(AllocType))
      CGF.Builder.CreateStore(CGF.EmitScalarExpr(Init), NewPtr);
    else if (AllocType->isAnyComplexType())
      CGF.EmitComplexExprIntoAddr(Init, NewPtr, 
                                  AllocType.isVolatileQualified());
    else
      CGF.EmitAggExpr(Init, NewPtr, AllocType.isVolatileQualified());
    return;
  }
  
  if (CXXConstructorDecl *Ctor = E->getConstructor())
    CGF.EmitCXXAggrConstructorCall(Ctor, NumElements, NewPtr);
}