[clang-tools-extra] [clang-tidy] Add performance-move-smart-pointer-contents check. (PR #66139)

[via cfe-commits]

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@@ -0,0 +1,39 @@
+//===--- MoveSmartPointerContentsCheck.h - clang-tidy -----------*- C++ -*-===//
+//
+// 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_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_MOVESMARTPOINTERCONTENTSCHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_MOVESMARTPOINTERCONTENTSCHECK_H
+
+#include <vector>
+
+#include "../ClangTidyCheck.h"
+
+namespace clang::tidy::performance {
+
+/// Checks that std::move is not called on the contents of a smart pointer and
+/// suggests moving out of the pointer instead.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/performance/move-smart-pointer-contents.html
+class MoveSmartPointerContentsCheck : public ClangTidyCheck {
+public:
+  MoveSmartPointerContentsCheck(StringRef Name, ClangTidyContext *Context);
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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pizzud wrote:

Good catch, done. I assume the various C++ versions are additive, eg CPlusPlus11 is set if CPlusPlus17 is.

https://github.com/llvm/llvm-project/pull/66139