| //===- CombinerUtils.cpp --------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CombinerUtils.h" |
| #include "llvm/ADT/StringSet.h" |
| |
| namespace llvm { |
| |
| StringRef insertStrRef(StringRef S) { |
| if (S.empty()) |
| return {}; |
| |
| static StringSet<> Pool; |
| auto [It, Inserted] = Pool.insert(S); |
| return It->getKey(); |
| } |
| |
| } // namespace llvm |
