Method ToIR

be/src/runtime/types.cc:289–324

}

llvm::ConstantStruct* ColumnType::ToIR(LlvmCodeGen* codegen) const {
  // ColumnType = { i32, i8, i32, i32, i32, <vector>, <vector>, <vector> }
  llvm::StructType* column_type_type = codegen->GetStructType<ColumnType>();

  DCHECK_EQ(sizeof(type), sizeof(int32_t));
  llvm::Constant* type_field = codegen->GetI32Constant(type);

  DCHECK_EQ(sizeof(len), sizeof(int32_t));
  llvm::Constant* len_field = codegen->GetI32Constant(len);
  DCHECK_EQ(sizeof(precision), sizeof(int32_t));
  llvm::Constant* precision_field = codegen->GetI32Constant(precision);
  DCHECK_EQ(sizeof(scale), sizeof(int32_t));
  llvm::Constant* scale_field = codegen->GetI32Constant(scale);

  // Create empty 'children', 'field_names' and 'field_ids' vectors
  DCHECK(children.empty()) << "Nested types NYI";
  DCHECK(field_names.empty()) << "Nested types NYI";
  DCHECK(field_ids.empty()) << "Nested types NYI";
  llvm::Constant* children_field =
      llvm::Constant::getNullValue(column_type_type->getElementType(4));
  llvm::Constant* field_names_field =
      llvm::Constant::getNullValue(column_type_type->getElementType(5));
  llvm::Constant* field_ids_field =
      llvm::Constant::getNullValue(column_type_type->getElementType(6));

  DCHECK_EQ(sizeof(is_binary_), sizeof(uint8_t));
  llvm::Constant* is_binary_field = codegen->GetI8Constant(is_binary_);

  llvm::Constant* padding =
      llvm::Constant::getNullValue(column_type_type->getElementType(8));

  return llvm::cast<llvm::ConstantStruct>(
      llvm::ConstantStruct::get(column_type_type, type_field, len_field, precision_field,
        scale_field, children_field, field_names_field, field_ids_field,
        is_binary_field, padding));
}

}