llvm::Value *Sorter::GetNumberOfStoredTuples(CodeGen &codegen,
llvm::Value *sorter_ptr) const {
// TODO: util::Sorter has a function to handle this ...
llvm::Value *start_pos = GetStartPosition(codegen, sorter_ptr);
llvm::Value *end_pos = GetEndPosition(codegen, sorter_ptr);
llvm::Value *tuple_size =
codegen->CreateZExt(GetTupleSize(codegen), codegen.Int64Type());
llvm::Value *diff_bytes = codegen->CreatePtrDiff(end_pos, start_pos);
llvm::Value *num_tuples = codegen->CreateUDiv(diff_bytes, tuple_size);
return codegen->CreateTruncOrBitCast(num_tuples, codegen.Int32Type());
}
void RowBatch::Row::SetValidity(CodeGen &codegen, llvm::Value *valid) {
if (valid->getType() != codegen.BoolType()) {
std::string error_msg;
llvm::raw_string_ostream rso{error_msg};
rso << "Validity of row must be a boolean value. Received type: "
<< valid->getType();
throw Exception{error_msg};
}
if (output_tracker_ == nullptr) {
throw Exception{"You didn't provide an output tracker for the row!"};
}
// Append this row to the output
llvm::Value *delta = codegen->CreateZExt(valid, codegen.Int32Type());
output_tracker_->AppendRowToOutput(codegen, *this, delta);
}