clang-tools 10.0.0

PerformanceTidyModule.cpp
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1 //===-- PerformanceTidyModule.cpp - 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 #include "../ClangTidy.h"
10 #include "../ClangTidyModule.h"
11 #include "../ClangTidyModuleRegistry.h"
12 #include "FasterStringFindCheck.h"
13 #include "ForRangeCopyCheck.h"
14 #include "ImplicitConversionInLoopCheck.h"
15 #include "InefficientAlgorithmCheck.h"
16 #include "InefficientStringConcatenationCheck.h"
17 #include "InefficientVectorOperationCheck.h"
18 #include "MoveConstArgCheck.h"
19 #include "MoveConstructorInitCheck.h"
20 #include "NoAutomaticMoveCheck.h"
21 #include "NoexceptMoveConstructorCheck.h"
22 #include "TriviallyDestructibleCheck.h"
23 #include "TypePromotionInMathFnCheck.h"
24 #include "UnnecessaryCopyInitialization.h"
25 #include "UnnecessaryValueParamCheck.h"
26
27 namespace clang {
28 namespace tidy {
29 namespace performance {
30
31 class PerformanceModule : public ClangTidyModule {
32 public:
33 void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
34 CheckFactories.registerCheck<FasterStringFindCheck>(
35 "performance-faster-string-find");
36 CheckFactories.registerCheck<ForRangeCopyCheck>(
37 "performance-for-range-copy");
38 CheckFactories.registerCheck<ImplicitConversionInLoopCheck>(
39 "performance-implicit-conversion-in-loop");
40 CheckFactories.registerCheck<InefficientAlgorithmCheck>(
41 "performance-inefficient-algorithm");
42 CheckFactories.registerCheck<InefficientStringConcatenationCheck>(
43 "performance-inefficient-string-concatenation");
44 CheckFactories.registerCheck<InefficientVectorOperationCheck>(
45 "performance-inefficient-vector-operation");
46 CheckFactories.registerCheck<MoveConstArgCheck>(
47 "performance-move-const-arg");
48 CheckFactories.registerCheck<MoveConstructorInitCheck>(
49 "performance-move-constructor-init");
50 CheckFactories.registerCheck<NoAutomaticMoveCheck>(
51 "performance-no-automatic-move");
52 CheckFactories.registerCheck<NoexceptMoveConstructorCheck>(
53 "performance-noexcept-move-constructor");
54 CheckFactories.registerCheck<TriviallyDestructibleCheck>(
55 "performance-trivially-destructible");
56 CheckFactories.registerCheck<TypePromotionInMathFnCheck>(
57 "performance-type-promotion-in-math-fn");
58 CheckFactories.registerCheck<UnnecessaryCopyInitialization>(
59 "performance-unnecessary-copy-initialization");
60 CheckFactories.registerCheck<UnnecessaryValueParamCheck>(
61 "performance-unnecessary-value-param");
62 }
63 };
64
65 // Register the PerformanceModule using this statically initialized variable.
66 static ClangTidyModuleRegistry::Add<PerformanceModule>
67 X("performance-module", "Adds performance checks.");
68
69 } // namespace performance
70
71 // This anchor is used to force the linker to link in the generated object file
72 // and thus register the PerformanceModule.
73 volatile int PerformanceModuleAnchorSource = 0;
74
75 } // namespace tidy
76 } // namespace clang
clang::tidy::performance::UnnecessaryCopyInitialization
Definition: UnnecessaryCopyInitialization.h:26
MoveConstArgCheck.h
clang::tidy::performance::NoexceptMoveConstructorCheck
The check flags user-defined move constructors and assignment operators not marked with noexcept or m...
Definition: NoexceptMoveConstructorCheck.h:25
clang::tidy::performance::X
static ClangTidyModuleRegistry::Add< PerformanceModule > X("performance-module", "Adds performance checks.")
clang::tidy::ClangTidyCheckFactories::registerCheck
void registerCheck(StringRef CheckName)
Registers the CheckType with the name Name.
Definition: ClangTidyModule.h:58
clang::tidy::performance::TriviallyDestructibleCheck
A check that finds classes that would be trivial if not for the defaulted destructors declared out-of...
Definition: TriviallyDestructibleCheck.h:28
NoAutomaticMoveCheck.h
clang::tidy::performance::InefficientAlgorithmCheck
Warns on inefficient use of STL algorithms on associative containers.
Definition: InefficientAlgorithmCheck.h:23
clang::tidy::performance::InefficientVectorOperationCheck
Finds possible inefficient std::vector operations (e.g.
Definition: InefficientVectorOperationCheck.h:26
FasterStringFindCheck.h
clang::tidy::ClangTidyCheckFactories
A collection of ClangTidyCheckFactory instances.
Definition: ClangTidyModule.h:27
ForRangeCopyCheck.h
clang::tidy::performance::InefficientStringConcatenationCheck
This check is to warn about the performance overhead arising from concatenating strings, using the operator+, instead of operator+=.
Definition: InefficientStringConcatenationCheck.h:24
clang::tidy::PerformanceModuleAnchorSource
volatile int PerformanceModuleAnchorSource
Definition: PerformanceTidyModule.cpp:73
clang::tidy::performance::FasterStringFindCheck
Optimize calls to std::string::find() and friends when the needle passed is a single character string...
Definition: FasterStringFindCheck.h:27
clang::tidy::performance::TypePromotionInMathFnCheck
Finds calls to C math library functions with implicit float to double promotions. ...
Definition: TypePromotionInMathFnCheck.h:28
InefficientVectorOperationCheck.h
clang::tidy::ClangTidyModule
A clang-tidy module groups a number of ClangTidyChecks and gives them a prefixed name.
Definition: ClangTidyModule.h:80
clang::tidy::performance::MoveConstructorInitCheck
The check flags user-defined move constructors that have a ctor-initializer initializing a member or ...
Definition: MoveConstructorInitCheck.h:26
InefficientStringConcatenationCheck.h
clang::tidy::performance::PerformanceModule::addCheckFactories
void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override
Implement this function in order to register all CheckFactories belonging to this module...
Definition: PerformanceTidyModule.cpp:33
clang::tidy::performance::UnnecessaryValueParamCheck
A check that flags value parameters of expensive to copy types that can safely be converted to const ...
Definition: UnnecessaryValueParamCheck.h:25
ImplicitConversionInLoopCheck.h
TypePromotionInMathFnCheck.h
clang::tidy::performance::ImplicitConversionInLoopCheck
Definition: ImplicitConversionInLoopCheck.h:21
NoexceptMoveConstructorCheck.h
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
UnnecessaryValueParamCheck.h
clang::tidy::performance::ForRangeCopyCheck
A check that detects copied loop variables and suggests using const references.
Definition: ForRangeCopyCheck.h:22
clang::tidy::performance::PerformanceModule
Definition: PerformanceTidyModule.cpp:31
TriviallyDestructibleCheck.h
InefficientAlgorithmCheck.h
clang::tidy::performance::MoveConstArgCheck
Find casts of calculation results to bigger type.
Definition: MoveConstArgCheck.h:24
clang::tidy::performance::NoAutomaticMoveCheck
Finds local variables that cannot be automatically moved due to constness.
Definition: NoAutomaticMoveCheck.h:21
MoveConstructorInitCheck.h
UnnecessaryCopyInitialization.h