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//===--- NoexceptMoveConstructorCheck.h - clang-tidy-------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "../ClangTidyCheck.h"
namespace clang {
namespace tidy {
namespace performance {
/// The check flags user-defined move constructors and assignment operators not
/// marked with `noexcept` or marked with `noexcept(expr)` where `expr`
/// evaluates to `false` (but is not a `false` literal itself).
/// Move constructors of all the types used with STL containers, for example,
/// need to be declared `noexcept`. Otherwise STL will choose copy constructors
/// instead. The same is valid for move assignment operations.
class NoexceptMoveConstructorCheck : public ClangTidyCheck {
NoexceptMoveConstructorCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context) {}
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
return LangOpts.CPlusPlus11;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
} // namespace performance
} // namespace tidy
} // namespace clang