1 //===--- MoveConstArgCheck.h - clang-tidy -------------------------===//
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_MISC_MOVECONSTANTARGUMENTCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace performance {
17 
18 /// Find casts of calculation results to bigger type. Typically from int to
19 ///
20 /// There is one option:
21 ///
22 ///   - `CheckTriviallyCopyableMove`: Whether to check for trivially-copyable
23 //      types as their objects are not moved but copied. Enabled by default.
24 class MoveConstArgCheck : public ClangTidyCheck {
25 public:
MoveConstArgCheck(StringRef Name,ClangTidyContext * Context)26   MoveConstArgCheck(StringRef Name, ClangTidyContext *Context)
27       : ClangTidyCheck(Name, Context),
28         CheckTriviallyCopyableMove(
29             Options.get("CheckTriviallyCopyableMove", true)) {}
isLanguageVersionSupported(const LangOptions & LangOpts)30   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
31     return LangOpts.CPlusPlus;
32   }
33   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
34   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
35   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
36 
37 private:
38   const bool CheckTriviallyCopyableMove;
39 };
40 
41 } // namespace performance
42 } // namespace tidy
43 } // namespace clang
44 
45 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H
46