1 //===--- TypePromotionInMathFnCheck.h - clang-tidy---------------*- C++ -*-===// 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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H 11 12 #include "../ClangTidyCheck.h" 13 #include "../utils/IncludeInserter.h" 14 15 namespace clang::tidy::performance { 16 17 /// Finds calls to C math library functions with implicit float to double 18 /// promotions. 19 /// 20 /// For example, warns on ::sin(0.f), because this function's parameter is a 21 /// double. You probably meant to call std::sin(0.f) (in C++), or sinf(0.f) (in 22 /// C). 23 /// 24 /// For the user-facing documentation see: 25 /// http://clang.llvm.org/extra/clang-tidy/checks/performance/type-promotion-in-math-fn.html 26 class TypePromotionInMathFnCheck : public ClangTidyCheck { 27 public: 28 TypePromotionInMathFnCheck(StringRef Name, ClangTidyContext *Context); 29 30 void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, 31 Preprocessor *ModuleExpanderPP) override; 32 void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 33 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 34 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 35 36 private: 37 utils::IncludeInserter IncludeInserter; 38 }; 39 40 } // namespace clang::tidy::performance 41 42 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H 43