Method CodegenIsNull

be/src/runtime/descriptors.cc:811–814

}

llvm::Value* SlotDescriptor::CodegenIsNull(
    LlvmCodeGen* codegen, LlvmBuilder* builder, llvm::Value* tuple) const {
  return CodegenIsNull(codegen, builder, null_indicator_offset_, tuple);
}

// Example IR for getting the first null bit:
//  %0 = bitcast { i8, [7 x i8], %"class.impala::TimestampValue" }* %agg_tuple to i8*