1//===- CombinerUtils.cpp --------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "CombinerUtils.h"
10#include "llvm/ADT/StringSet.h"
11
12namespace llvm {
13
14StringRef insertStrRef(StringRef S) {
15 if (S.empty())
16 return {};
17
18 static StringSet<> Pool;
19 auto [It, Inserted] = Pool.insert(key: S);
20 return It->getKey();
21}
22
23} // namespace llvm
24