Method FillCodegendComputeFnConstantFalse

be/src/exprs/tuple-is-null-predicate.cc:97–110

Sample IR: define i16 @TupleIsNullPredicate(%"class.impala::ScalarExprEvaluator"* %eval, %"class.impala::TupleRow"* %row) #50 { return_false: ret i16 0 }

///   ret i16 0
/// }
void TupleIsNullPredicate::FillCodegendComputeFnConstantFalse(
    LlvmCodeGen* codegen, llvm::Function* function) const {
  llvm::LLVMContext& context = codegen->context();
  LlvmBuilder builder(context);

  llvm::BasicBlock* return_false_block =
      llvm::BasicBlock::Create(context, "return_false", function);
  builder.SetInsertPoint(return_false_block);

  CodegenAnyVal ret_val = CodegenAnyVal::GetNonNullVal(
      codegen, &builder, ColumnType(TYPE_BOOLEAN), "ret_val");
  ret_val.SetVal(false);
  builder.CreateRet(ret_val.GetLoweredValue());
}

/// Sample IR:
/// define i16 @TupleIsNullPredicate(%"class.impala::ScalarExprEvaluator"* %eval,