|  | //===- llvm/unittest/ADT/MoveOnly.h - Optional unit tests -----------------===// | 
|  | // | 
|  | // 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 | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef LLVM_UNITTESTS_ADT_MOVEONLY_H | 
|  | #define LLVM_UNITTESTS_ADT_MOVEONLY_H | 
|  |  | 
|  | namespace llvm { | 
|  |  | 
|  | struct MoveOnly { | 
|  | static unsigned MoveConstructions; | 
|  | static unsigned Destructions; | 
|  | static unsigned MoveAssignments; | 
|  | int val; | 
|  | explicit MoveOnly(int val) : val(val) { | 
|  | } | 
|  | MoveOnly(MoveOnly&& other) { | 
|  | val = other.val; | 
|  | ++MoveConstructions; | 
|  | } | 
|  | MoveOnly &operator=(MoveOnly&& other) { | 
|  | val = other.val; | 
|  | ++MoveAssignments; | 
|  | return *this; | 
|  | } | 
|  | ~MoveOnly() { | 
|  | ++Destructions; | 
|  | } | 
|  | static void ResetCounts() { | 
|  | MoveConstructions = 0; | 
|  | Destructions = 0; | 
|  | MoveAssignments = 0; | 
|  | } | 
|  | }; | 
|  |  | 
|  | }  // end namespace llvm | 
|  |  | 
|  | #endif // LLVM_UNITTESTS_ADT_MOVEONLY_H |