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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_REDUNDANTEXPRESSIONCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_REDUNDANTEXPRESSIONCHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::misc {15 16/// The checker detects expressions that are redundant, because they contain17/// ineffective, useless parts.18///19/// For the user-facing documentation see:20/// https://clang.llvm.org/extra/clang-tidy/checks/misc/redundant-expression.html21class RedundantExpressionCheck : public ClangTidyCheck {22public:23 RedundantExpressionCheck(StringRef Name, ClangTidyContext *Context)24 : ClangTidyCheck(Name, Context) {}25 void registerMatchers(ast_matchers::MatchFinder *Finder) override;26 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;27 28private:29 void checkArithmeticExpr(const ast_matchers::MatchFinder::MatchResult &R);30 void checkBitwiseExpr(const ast_matchers::MatchFinder::MatchResult &R);31 void checkRelationalExpr(const ast_matchers::MatchFinder::MatchResult &R);32};33 34} // namespace clang::tidy::misc35 36#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_REDUNDANTEXPRESSIONCHECK_H37