| //===-- AnalyzerOptions.def - Metadata about Static Analyses ----*- C++ -*-===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the analyzer options avaible with -analyzer-config. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_ADT_STRINGREF_H |
| #error This .def file is expected to be included in translation units where \ |
| "llvm/ADT/StringRef.h" is already included! |
| #endif |
| |
| #ifdef ANALYZER_OPTION |
| #ifndef ANALYZER_OPTION_DEPENDS_ON_USER_MODE |
| #error If you didnt include this file with the intent of generating methods, \ |
| define both 'ANALYZER_OPTION' and 'ANALYZER_OPTION_DEPENDS_ON_USER_MODE' macros! |
| #endif |
| #endif |
| |
| #ifndef ANALYZER_OPTION_DEPENDS_ON_USER_MODE |
| #ifdef ANALYZER_OPTION |
| #error If you didnt include this file with the intent of generating methods, \ |
| define both 'ANALYZER_OPTION' and 'ANALYZER_OPTION_DEPENDS_ON_USER_MODE' macros! |
| #endif |
| #endif |
| |
| #ifndef ANALYZER_OPTION |
| /// Create a new analyzer option, but dont generate a method for it in |
| /// AnalyzerOptions. |
| /// |
| /// TYPE - The type of the option object that will be stored in |
| /// AnalyzerOptions. This file is expected to be icluded in translation |
| /// units where AnalyzerOptions.h is included, so types from that |
| /// header should be used. |
| /// NAME - The name of the option object. |
| /// CMDFLAG - The command line flag for the option. |
| /// (-analyzer-config CMDFLAG=VALUE) |
| /// DESC - Description of the flag. |
| /// DEFAULT_VAL - The default value for CMDFLAG. |
| #define ANALYZER_OPTION(TYPE, NAME, CMDFLAG, DESC, DEFAULT_VAL) |
| #endif |
| |
| #ifndef ANALYZER_OPTION_DEPENDS_ON_USER_MODE |
| /// Create a new analyzer option, but dont generate a method for it in |
| /// AnalyzerOptions. It's value depends on the option "user-mode". |
| /// |
| /// TYPE - The type of the option object that will be stored in |
| /// AnalyzerOptions. This file is expected to be icluded in translation |
| /// units where AnalyzerOptions.h is included, so types from that |
| /// header should be used. |
| /// NAME - The name of the option object. |
| /// CMDFLAG - The command line flag for the option. |
| /// (-analyzer-config CMDFLAG=VALUE) |
| /// DESC - Description of the flag. |
| /// SHALLOW_VAL - The default value for CMDFLAG, when "user-mode" was set to |
| /// "shallow". |
| /// DEEP_VAL - The default value for CMDFLAG, when "user-mode" was set to |
| /// "deep". |
| #define ANALYZER_OPTION_DEPENDS_ON_USER_MODE(TYPE, NAME, CMDFLAG, DESC, \ |
| SHALLOW_VAL, DEEP_VAL) |
| #endif |
| |
| //===----------------------------------------------------------------------===// |
| // The "mode" option. Since some options depend on this, we list it on top of |
| // this file in order to make sure that the generated field for it is |
| // initialized before the rest. |
| //===----------------------------------------------------------------------===// |
| |
| ANALYZER_OPTION( |
| StringRef, UserMode, "mode", |
| "(string) Controls the high-level analyzer mode, which influences the " |
| "default settings for some of the lower-level config options (such as " |
| "IPAMode). Value: \"deep\", \"shallow\".", |
| "deep") |
| |
| //===----------------------------------------------------------------------===// |
| // Boolean analyzer options. |
| //===----------------------------------------------------------------------===// |
| |
| ANALYZER_OPTION(bool, ShouldIncludeImplicitDtorsInCFG, "cfg-implicit-dtors", |
| "Whether or not implicit destructors for C++ objects " |
| "should be included in the CFG.", |
| true) |
| |
| ANALYZER_OPTION(bool, ShouldIncludeTemporaryDtorsInCFG, "cfg-temporary-dtors", |
| "Whether or not the destructors for C++ temporary " |
| "objects should be included in the CFG.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldIncludeLifetimeInCFG, "cfg-lifetime", |
| "Whether or not end-of-lifetime information should be included in the CFG.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldIncludeLoopExitInCFG, "cfg-loopexit", |
| "Whether or not the end of the loop information should " |
| "be included in the CFG.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldIncludeRichConstructorsInCFG, |
| "cfg-rich-constructors", |
| "Whether or not construction site information should be " |
| "included in the CFG C++ constructor elements.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldIncludeScopesInCFG, "cfg-scopes", |
| "Whether or not scope information should be included in the CFG.", false) |
| |
| ANALYZER_OPTION( |
| bool, MayInlineTemplateFunctions, "c++-template-inlining", |
| "Whether or not templated functions may be considered for inlining.", true) |
| |
| ANALYZER_OPTION(bool, MayInlineCXXStandardLibrary, "c++-stdlib-inlining", |
| "Whether or not C++ standard library functions may be " |
| "considered for inlining.", |
| true) |
| |
| ANALYZER_OPTION(bool, MayInlineCXXAllocator, "c++-allocator-inlining", |
| "Whether or not allocator call may be considered for inlining.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, MayInlineCXXSharedPtrDtor, "c++-shared_ptr-inlining", |
| "Whether or not the destructor of C++ 'shared_ptr' may be considered for " |
| "inlining. This covers std::shared_ptr, std::tr1::shared_ptr, and " |
| "boost::shared_ptr, and indeed any destructor named '~shared_ptr'.", |
| false) |
| |
| ANALYZER_OPTION(bool, MayInlineCXXTemporaryDtors, "c++-temp-dtor-inlining", |
| "Whether C++ temporary destructors should be inlined " |
| "during analysis. If temporary destructors are disabled " |
| "in the CFG via the 'cfg-temporary-dtors' option, " |
| "temporary destructors would not be inlined anyway.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldSuppressNullReturnPaths, "suppress-null-return-paths", |
| "Whether or not paths that go through null returns should be suppressed. " |
| "This is a heuristic for avoiding bug reports with paths that go through " |
| "inlined functions that are more defensive than their callers.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldAvoidSuppressingNullArgumentPaths, |
| "avoid-suppressing-null-argument-paths", |
| "Whether a bug report should not be suppressed if its path includes a call " |
| "with a null argument, even if that call has a null return. This option " |
| "has no effect when ShouldSuppressNullReturnPaths is false. This is a " |
| "counter-heuristic to avoid false negatives.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldSuppressInlinedDefensiveChecks, |
| "suppress-inlined-defensive-checks", |
| "Whether or not diagnostics containing inlined " |
| "defensive NULL checks should be suppressed.", |
| true) |
| |
| ANALYZER_OPTION(bool, MayInlineCXXContainerMethods, "c++-container-inlining", |
| "Whether or not methods of C++ container objects may be " |
| "considered for inlining.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldSuppressFromCXXStandardLibrary, |
| "suppress-c++-stdlib", |
| "Whether or not diagnostics reported within the C++ " |
| "standard library should be suppressed.", |
| true) |
| |
| ANALYZER_OPTION(bool, ShouldCrosscheckWithZ3, "crosscheck-with-z3", |
| "Whether bug reports should be crosschecked with the Z3 " |
| "constraint manager backend.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldReportIssuesInMainSourceFile, |
| "report-in-main-source-file", |
| "Whether or not the diagnostic report should be always " |
| "reported in the main source file and not the headers.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldWriteStableReportFilename, "stable-report-filename", |
| "Whether or not the report filename should be random or not.", |
| false) |
| |
| ANALYZER_OPTION( |
| bool, ShouldSerializeStats, "serialize-stats", |
| "Whether the analyzer should serialize statistics to plist output. " |
| "Statistics would be serialized in JSON format inside the main dictionary " |
| "under the statistics key. Available only if compiled in assert mode or " |
| "with LLVM statistics explicitly enabled.", |
| false) |
| |
| ANALYZER_OPTION(bool, MayInlineObjCMethod, "objc-inlining", |
| "Whether ObjectiveC inlining is enabled, false otherwise.", |
| true) |
| |
| ANALYZER_OPTION(bool, ShouldPrunePaths, "prune-paths", |
| "Whether irrelevant parts of a bug report path should " |
| "be pruned out of the final output.", |
| true) |
| |
| ANALYZER_OPTION(bool, ShouldAddPopUpNotes, "add-pop-up-notes", |
| "Whether pop-up notes should be added to the final output.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldConditionalizeStaticInitializers, |
| "cfg-conditional-static-initializers", |
| "Whether 'static' initializers should be in conditional logic in the CFG.", |
| true) |
| |
| ANALYZER_OPTION(bool, ShouldSynthesizeBodies, "faux-bodies", |
| "Whether the analyzer engine should synthesize fake " |
| "bodies for well-known functions.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldElideConstructors, "elide-constructors", |
| "Whether elidable C++ copy-constructors and move-constructors should be " |
| "actually elided during analysis. Both behaviors are allowed by the C++ " |
| "standard, and the analyzer, like CodeGen, defaults to eliding. Starting " |
| "with C++17 some elisions become mandatory, and in these cases the option " |
| "will be ignored.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, ShouldInlineLambdas, "inline-lambdas", |
| "Whether lambdas should be inlined. Otherwise a sink node will be " |
| "generated each time a LambdaExpr is visited.", |
| true) |
| |
| ANALYZER_OPTION(bool, ShouldWidenLoops, "widen-loops", |
| "Whether the analysis should try to widen loops.", false) |
| |
| ANALYZER_OPTION( |
| bool, ShouldUnrollLoops, "unroll-loops", |
| "Whether the analysis should try to unroll loops with known bounds.", false) |
| |
| ANALYZER_OPTION( |
| bool, ShouldDisplayNotesAsEvents, "notes-as-events", |
| "Whether the bug reporter should transparently treat extra note diagnostic " |
| "pieces as event diagnostic pieces. Useful when the diagnostic consumer " |
| "doesn't support the extra note pieces.", |
| false) |
| |
| ANALYZER_OPTION( |
| bool, ShouldAggressivelySimplifyBinaryOperation, |
| "aggressive-binary-operation-simplification", |
| "Whether SValBuilder should rearrange comparisons and additive operations " |
| "of symbolic expressions which consist of a sum of a symbol and a concrete " |
| "integer into the format where symbols are on the left-hand side and the " |
| "integer is on the right. This is only done if both symbols and both " |
| "concrete integers are signed, greater than or equal to the quarter of the " |
| "minimum value of the type and less than or equal to the quarter of the " |
| "maximum value of that type. A + n <OP> B + m becomes A - B <OP> m - n, " |
| "where A and B symbolic, n and m are integers. <OP> is any of '==', '!=', " |
| "'<', '<=', '>', '>=', '+' or '-'. The rearrangement also happens with '-' " |
| "instead of '+' on either or both side and also if any or both integers " |
| "are missing.", |
| false) |
| |
| ANALYZER_OPTION( |
| bool, ShouldEagerlyAssume, "eagerly-assume", |
| "Whether we should eagerly assume evaluations of conditionals, thus, " |
| "bifurcating the path. This indicates how the engine should handle " |
| "expressions such as: 'x = (y != 0)'. When this is true then the " |
| "subexpression 'y != 0' will be eagerly assumed to be true or false, thus " |
| "evaluating it to the integers 0 or 1 respectively. The upside is that " |
| "this can increase analysis precision until we have a better way to lazily " |
| "evaluate such logic. The downside is that it eagerly bifurcates paths.", |
| true) |
| |
| ANALYZER_OPTION( |
| bool, IsNaiveCTUEnabled, "experimental-enable-naive-ctu-analysis", |
| "Whether naive cross translation unit analysis is enabled. This is an " |
| "experimental feature to inline functions from other translation units.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldDisplayMacroExpansions, "expand-macros", |
| "Whether macros related to the bugpath should be " |
| "expanded and included in the plist output.", |
| false) |
| |
| ANALYZER_OPTION(bool, DisplayCTUProgress, "display-ctu-progress", |
| "Whether to emit verbose output about " |
| "the analyzer's progress related to ctu.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldTrackConditions, "track-conditions", |
| "Whether to track conditions that are a control dependency of " |
| "an already tracked variable.", |
| false) |
| |
| ANALYZER_OPTION(bool, ShouldTrackConditionsDebug, "track-conditions-debug", |
| "Whether to place an event at each tracked condition.", |
| false) |
| |
| ANALYZER_OPTION(unsigned, CTUImportThreshold, "ctu-import-threshold", |
| "The maximal amount of translation units that is considered " |
| "for import when inlining functions during CTU analysis. " |
| "Lowering this threshold can alleviate the memory burder of " |
| "analysis with many interdependent definitions located in " |
| "various translation units.", |
| 100u) |
| |
| //===----------------------------------------------------------------------===// |
| // Unsinged analyzer options. |
| //===----------------------------------------------------------------------===// |
| |
| ANALYZER_OPTION( |
| unsigned, AlwaysInlineSize, "ipa-always-inline-size", |
| "The size of the functions (in basic blocks), which should be considered " |
| "to be small enough to always inline.", |
| 3) |
| |
| ANALYZER_OPTION( |
| unsigned, GraphTrimInterval, "graph-trim-interval", |
| "How often nodes in the ExplodedGraph should be recycled to save memory. " |
| "To disable node reclamation, set the option to 0.", |
| 1000) |
| |
| ANALYZER_OPTION( |
| unsigned, MinCFGSizeTreatFunctionsAsLarge, |
| "min-cfg-size-treat-functions-as-large", |
| "The number of basic blocks a function needs to have to be considered " |
| "large for the 'max-times-inline-large' config option.", |
| 14) |
| |
| ANALYZER_OPTION(unsigned, MaxSymbolComplexity, "max-symbol-complexity", |
| "The maximum complexity of symbolic constraint.", 35) |
| |
| ANALYZER_OPTION(unsigned, MaxTimesInlineLarge, "max-times-inline-large", |
| "The maximum times a large function could be inlined.", 32) |
| |
| ANALYZER_OPTION_DEPENDS_ON_USER_MODE( |
| unsigned, MaxInlinableSize, "max-inlinable-size", |
| "The bound on the number of basic blocks in an inlined function.", |
| /* SHALLOW_VAL */ 4, /* DEEP_VAL */ 100) |
| |
| ANALYZER_OPTION_DEPENDS_ON_USER_MODE( |
| unsigned, MaxNodesPerTopLevelFunction, "max-nodes", |
| "The maximum number of nodes the analyzer can generate while exploring a " |
| "top level function (for each exploded graph). 0 means no limit.", |
| /* SHALLOW_VAL */ 75000, /* DEEP_VAL */ 225000) |
| |
| ANALYZER_OPTION( |
| unsigned, RegionStoreSmallStructLimit, "region-store-small-struct-limit", |
| "The largest number of fields a struct can have and still be considered " |
| "small This is currently used to decide whether or not it is worth forcing " |
| "a LazyCompoundVal on bind. To disable all small-struct-dependent " |
| "behavior, set the option to 0.", |
| 2) |
| |
| //===----------------------------------------------------------------------===// |
| // String analyzer options. |
| //===----------------------------------------------------------------------===// |
| |
| ANALYZER_OPTION(StringRef, CTUDir, "ctu-dir", |
| "The directory containing the CTU related files.", "") |
| |
| ANALYZER_OPTION(StringRef, CTUIndexName, "ctu-index-name", |
| "the name of the file containing the CTU index of definitions.", |
| "externalDefMap.txt") |
| |
| ANALYZER_OPTION( |
| StringRef, ModelPath, "model-path", |
| "The analyzer can inline an alternative implementation written in C at the " |
| "call site if the called function's body is not available. This is a path " |
| "where to look for those alternative implementations (called models).", |
| "") |
| |
| ANALYZER_OPTION( |
| StringRef, CXXMemberInliningMode, "c++-inlining", |
| "Controls which C++ member functions will be considered for inlining. " |
| "Value: \"constructors\", \"destructors\", \"methods\".", |
| "destructors") |
| |
| ANALYZER_OPTION_DEPENDS_ON_USER_MODE( |
| StringRef, IPAMode, "ipa", |
| "Controls the mode of inter-procedural analysis. Value: \"none\", " |
| "\"basic-inlining\", \"inlining\", \"dynamic\", \"dynamic-bifurcate\".", |
| /* SHALLOW_VAL */ "inlining", /* DEEP_VAL */ "dynamic-bifurcate") |
| |
| ANALYZER_OPTION( |
| StringRef, ExplorationStrategy, "exploration_strategy", |
| "Value: \"dfs\", \"bfs\", \"unexplored_first\", " |
| "\"unexplored_first_queue\", \"unexplored_first_location_queue\", " |
| "\"bfs_block_dfs_contents\".", |
| "unexplored_first_queue") |
| |
| #undef ANALYZER_OPTION_DEPENDS_ON_USER_MODE |
| #undef ANALYZER_OPTION |
