[clang-tools-extra] [clang-tidy] Add misc-bool-bitwise-operation check (PR #167552)

Baranov Victor via cfe-commits cfe-commits at lists.llvm.org
Sat Feb 7 06:18:22 PST 2026


================
@@ -0,0 +1,57 @@
+//===----------------------------------------------------------------------===//
+//
+// 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_MISC_BOOLBITWISEOPERATIONCHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_BOOLBITWISEOPERATIONCHECK_H
+
+#include "../ClangTidyCheck.h"
+#include <type_traits>
+
+namespace clang::tidy::misc {
+
+/// Finds potentially inefficient use of bitwise operators such as ``&``,  ``|``
+/// and their compound analogues on Boolean values where logical operators like
+/// ``&&`` and ``||`` would be more appropriate.
+///
+/// For the user-facing documentation see:
+/// https://clang.llvm.org/extra/clang-tidy/checks/misc/bool-bitwise-operation.html
+class BoolBitwiseOperationCheck : public ClangTidyCheck {
+public:
+  BoolBitwiseOperationCheck(StringRef Name, ClangTidyContext *Context);
+  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
+    return LangOpts.CPlusPlus || LangOpts.C99;
+  }
+  std::optional<TraversalKind> getCheckTraversalKind() const override {
+    return TK_IgnoreUnlessSpelledInSource;
+  }
+
+  void emitWarningAndChangeOperatorsIfPossible(
----------------
vbvictor wrote:

should be private

https://github.com/llvm/llvm-project/pull/167552


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