1 //===-- AnalyzerOptions.def - Metadata about Static Analyses ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the analyzer options avaible with -analyzer-config.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_ADT_STRINGREF_H
15 #error This .def file is expected to be included in translation units where \
16 "llvm/ADT/StringRef.h" is already included!
19 #ifdef ANALYZER_OPTION
20 #ifndef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
21 #error If you didnt include this file with the intent of generating methods, \
22 define both 'ANALYZER_OPTION' and 'ANALYZER_OPTION_DEPENDS_ON_USER_MODE' macros!
26 #ifndef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
27 #ifdef ANALYZER_OPTION
28 #error If you didnt include this file with the intent of generating methods, \
29 define both 'ANALYZER_OPTION' and 'ANALYZER_OPTION_DEPENDS_ON_USER_MODE' macros!
33 #ifndef ANALYZER_OPTION
34 /// Create a new analyzer option, but dont generate a method for it in
37 /// TYPE - The type of the option object that will be stored in
38 /// AnalyzerOptions. This file is expected to be icluded in translation
39 /// units where AnalyzerOptions.h is included, so types from that
40 /// header should be used.
41 /// NAME - The name of the option object.
42 /// CMDFLAG - The command line flag for the option.
43 /// (-analyzer-config CMDFLAG=VALUE)
44 /// DESC - Description of the flag.
45 /// DEFAULT_VAL - The default value for CMDFLAG.
46 #define ANALYZER_OPTION(TYPE, NAME, CMDFLAG, DESC, DEFAULT_VAL)
49 #ifndef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
50 /// Create a new analyzer option, but dont generate a method for it in
51 /// AnalyzerOptions. It's value depends on the option "user-mode".
53 /// TYPE - The type of the option object that will be stored in
54 /// AnalyzerOptions. This file is expected to be icluded in translation
55 /// units where AnalyzerOptions.h is included, so types from that
56 /// header should be used.
57 /// NAME - The name of the option object.
58 /// CMDFLAG - The command line flag for the option.
59 /// (-analyzer-config CMDFLAG=VALUE)
60 /// DESC - Description of the flag.
61 /// SHALLOW_VAL - The default value for CMDFLAG, when "user-mode" was set to
63 /// DEEP_VAL - The default value for CMDFLAG, when "user-mode" was set to
65 #define ANALYZER_OPTION_DEPENDS_ON_USER_MODE(TYPE, NAME, CMDFLAG, DESC, \
66 SHALLOW_VAL, DEEP_VAL)
69 //===----------------------------------------------------------------------===//
70 // The "mode" option. Since some options depend on this, we list it on top of
71 // this file in order to make sure that the generated field for it is
72 // initialized before the rest.
73 //===----------------------------------------------------------------------===//
76 StringRef, UserMode, "mode",
77 "(string) Controls the high-level analyzer mode, which influences the "
78 "default settings for some of the lower-level config options (such as "
79 "IPAMode). Value: \"deep\", \"shallow\".",
82 //===----------------------------------------------------------------------===//
83 // Boolean analyzer options.
84 //===----------------------------------------------------------------------===//
86 ANALYZER_OPTION(bool, ShouldIncludeImplicitDtorsInCFG, "cfg-implicit-dtors",
87 "Whether or not implicit destructors for C++ objects "
88 "should be included in the CFG.",
91 ANALYZER_OPTION(bool, ShouldIncludeTemporaryDtorsInCFG, "cfg-temporary-dtors",
92 "Whether or not the destructors for C++ temporary "
93 "objects should be included in the CFG.",
97 bool, ShouldIncludeLifetimeInCFG, "cfg-lifetime",
98 "Whether or not end-of-lifetime information should be included in the CFG.",
101 ANALYZER_OPTION(bool, ShouldIncludeLoopExitInCFG, "cfg-loopexit",
102 "Whether or not the end of the loop information should "
103 "be included in the CFG.",
106 ANALYZER_OPTION(bool, ShouldIncludeRichConstructorsInCFG,
107 "cfg-rich-constructors",
108 "Whether or not construction site information should be "
109 "included in the CFG C++ constructor elements.",
113 bool, ShouldIncludeScopesInCFG, "cfg-scopes",
114 "Whether or not scope information should be included in the CFG.", false)
117 bool, MayInlineTemplateFunctions, "c++-template-inlining",
118 "Whether or not templated functions may be considered for inlining.", true)
120 ANALYZER_OPTION(bool, MayInlineCXXStandardLibrary, "c++-stdlib-inlining",
121 "Whether or not C++ standard library functions may be "
122 "considered for inlining.",
125 ANALYZER_OPTION(bool, MayInlineCXXAllocator, "c++-allocator-inlining",
126 "Whether or not allocator call may be considered for inlining.",
130 bool, MayInlineCXXSharedPtrDtor, "c++-shared_ptr-inlining",
131 "Whether or not the destructor of C++ 'shared_ptr' may be considered for "
132 "inlining. This covers std::shared_ptr, std::tr1::shared_ptr, and "
133 "boost::shared_ptr, and indeed any destructor named '~shared_ptr'.",
136 ANALYZER_OPTION(bool, MayInlineCXXTemporaryDtors, "c++-temp-dtor-inlining",
137 "Whether C++ temporary destructors should be inlined "
138 "during analysis. If temporary destructors are disabled "
139 "in the CFG via the 'cfg-temporary-dtors' option, "
140 "temporary destructors would not be inlined anyway.",
144 bool, ShouldSuppressNullReturnPaths, "suppress-null-return-paths",
145 "Whether or not paths that go through null returns should be suppressed. "
146 "This is a heuristic for avoiding bug reports with paths that go through "
147 "inlined functions that are more defensive than their callers.",
151 bool, ShouldAvoidSuppressingNullArgumentPaths,
152 "avoid-suppressing-null-argument-paths",
153 "Whether a bug report should not be suppressed if its path includes a call "
154 "with a null argument, even if that call has a null return. This option "
155 "has no effect when ShouldSuppressNullReturnPaths is false. This is a "
156 "counter-heuristic to avoid false negatives.",
159 ANALYZER_OPTION(bool, ShouldSuppressInlinedDefensiveChecks,
160 "suppress-inlined-defensive-checks",
161 "Whether or not diagnostics containing inlined "
162 "defensive NULL checks should be suppressed.",
165 ANALYZER_OPTION(bool, MayInlineCXXContainerMethods, "c++-container-inlining",
166 "Whether or not methods of C++ container objects may be "
167 "considered for inlining.",
170 ANALYZER_OPTION(bool, ShouldSuppressFromCXXStandardLibrary,
171 "suppress-c++-stdlib",
172 "Whether or not diagnostics reported within the C++ "
173 "standard library should be suppressed.",
176 ANALYZER_OPTION(bool, ShouldCrosscheckWithZ3, "crosscheck-with-z3",
177 "Whether bug reports should be crosschecked with the Z3 "
178 "constraint manager backend.",
181 ANALYZER_OPTION(bool, ShouldReportIssuesInMainSourceFile,
182 "report-in-main-source-file",
183 "Whether or not the diagnostic report should be always "
184 "reported in the main source file and not the headers.",
187 ANALYZER_OPTION(bool, ShouldWriteStableReportFilename, "stable-report-filename",
188 "Whether or not the report filename should be random or not.",
192 bool, ShouldSerializeStats, "serialize-stats",
193 "Whether the analyzer should serialize statistics to plist output. "
194 "Statistics would be serialized in JSON format inside the main dictionary "
195 "under the statistics key. Available only if compiled in assert mode or "
196 "with LLVM statistics explicitly enabled.",
199 ANALYZER_OPTION(bool, MayInlineObjCMethod, "objc-inlining",
200 "Whether ObjectiveC inlining is enabled, false otherwise.",
203 ANALYZER_OPTION(bool, ShouldPrunePaths, "prune-paths",
204 "Whether irrelevant parts of a bug report path should "
205 "be pruned out of the final output.",
209 bool, ShouldConditionalizeStaticInitializers,
210 "cfg-conditional-static-initializers",
211 "Whether 'static' initializers should be in conditional logic in the CFG.",
214 ANALYZER_OPTION(bool, ShouldSynthesizeBodies, "faux-bodies",
215 "Whether the analyzer engine should synthesize fake "
216 "bodies for well-known functions.",
220 bool, ShouldElideConstructors, "elide-constructors",
221 "Whether elidable C++ copy-constructors and move-constructors should be "
222 "actually elided during analysis. Both behaviors are allowed by the C++ "
223 "standard, and the analyzer, like CodeGen, defaults to eliding. Starting "
224 "with C++17 some elisions become mandatory, and in these cases the option "
229 bool, ShouldInlineLambdas, "inline-lambdas",
230 "Whether lambdas should be inlined. Otherwise a sink node will be "
231 "generated each time a LambdaExpr is visited.",
234 ANALYZER_OPTION(bool, ShouldWidenLoops, "widen-loops",
235 "Whether the analysis should try to widen loops.", false)
238 bool, ShouldUnrollLoops, "unroll-loops",
239 "Whether the analysis should try to unroll loops with known bounds.", false)
242 bool, ShouldDisplayNotesAsEvents, "notes-as-events",
243 "Whether the bug reporter should transparently treat extra note diagnostic "
244 "pieces as event diagnostic pieces. Useful when the diagnostic consumer "
245 "doesn't support the extra note pieces.",
249 bool, ShouldAggressivelySimplifyBinaryOperation,
250 "aggressive-binary-operation-simplification",
251 "Whether SValBuilder should rearrange comparisons and additive operations "
252 "of symbolic expressions which consist of a sum of a symbol and a concrete "
253 "integer into the format where symbols are on the left-hand side and the "
254 "integer is on the right. This is only done if both symbols and both "
255 "concrete integers are signed, greater than or equal to the quarter of the "
256 "minimum value of the type and less than or equal to the quarter of the "
257 "maximum value of that type. A + n <OP> B + m becomes A - B <OP> m - n, "
258 "where A and B symbolic, n and m are integers. <OP> is any of '==', '!=', "
259 "'<', '<=', '>', '>=', '+' or '-'. The rearrangement also happens with '-' "
260 "instead of '+' on either or both side and also if any or both integers "
265 bool, ShouldEagerlyAssume, "eagerly-assume",
266 "Whether we should eagerly assume evaluations of conditionals, thus, "
267 "bifurcating the path. This indicates how the engine should handle "
268 "expressions such as: 'x = (y != 0)'. When this is true then the "
269 "subexpression 'y != 0' will be eagerly assumed to be true or false, thus "
270 "evaluating it to the integers 0 or 1 respectively. The upside is that "
271 "this can increase analysis precision until we have a better way to lazily "
272 "evaluate such logic. The downside is that it eagerly bifurcates paths.",
276 bool, IsNaiveCTUEnabled, "experimental-enable-naive-ctu-analysis",
277 "Whether naive cross translation unit analysis is enabled. This is an "
278 "experimental feature to inline functions from other translation units.",
281 ANALYZER_OPTION(bool, ShouldDisplayMacroExpansions, "expand-macros",
282 "Whether macros related to the bugpath should be "
283 "expanded and included in the plist output.",
286 ANALYZER_OPTION(bool, DisplayCTUProgress, "display-ctu-progress",
287 "Whether to emit verbose output about "
288 "the analyzer's progress related to ctu.",
291 //===----------------------------------------------------------------------===//
292 // Unsinged analyzer options.
293 //===----------------------------------------------------------------------===//
296 unsigned, AlwaysInlineSize, "ipa-always-inline-size",
297 "The size of the functions (in basic blocks), which should be considered "
298 "to be small enough to always inline.",
302 unsigned, GraphTrimInterval, "graph-trim-interval",
303 "How often nodes in the ExplodedGraph should be recycled to save memory. "
304 "To disable node reclamation, set the option to 0.",
308 unsigned, MinCFGSizeTreatFunctionsAsLarge,
309 "min-cfg-size-treat-functions-as-large",
310 "The number of basic blocks a function needs to have to be considered "
311 "large for the 'max-times-inline-large' config option.",
314 ANALYZER_OPTION(unsigned, MaxSymbolComplexity, "max-symbol-complexity",
315 "The maximum complexity of symbolic constraint.", 35)
317 ANALYZER_OPTION(unsigned, MaxTimesInlineLarge, "max-times-inline-large",
318 "The maximum times a large function could be inlined.", 32)
320 ANALYZER_OPTION_DEPENDS_ON_USER_MODE(
321 unsigned, MaxInlinableSize, "max-inlinable-size",
322 "The bound on the number of basic blocks in an inlined function.",
323 /* SHALLOW_VAL */ 4, /* DEEP_VAL */ 100)
325 ANALYZER_OPTION_DEPENDS_ON_USER_MODE(
326 unsigned, MaxNodesPerTopLevelFunction, "max-nodes",
327 "The maximum number of nodes the analyzer can generate while exploring a "
328 "top level function (for each exploded graph). 0 means no limit.",
329 /* SHALLOW_VAL */ 75000, /* DEEP_VAL */ 225000)
332 unsigned, RegionStoreSmallStructLimit, "region-store-small-struct-limit",
333 "The largest number of fields a struct can have and still be considered "
334 "small This is currently used to decide whether or not it is worth forcing "
335 "a LazyCompoundVal on bind. To disable all small-struct-dependent "
336 "behavior, set the option to 0.",
339 //===----------------------------------------------------------------------===//
340 // String analyzer options.
341 //===----------------------------------------------------------------------===//
343 ANALYZER_OPTION(StringRef, CTUDir, "ctu-dir",
344 "The directory containing the CTU related files.", "")
346 ANALYZER_OPTION(StringRef, CTUIndexName, "ctu-index-name",
347 "the name of the file containing the CTU index of definitions.",
348 "externalDefMap.txt")
351 StringRef, ModelPath, "model-path",
352 "The analyzer can inline an alternative implementation written in C at the "
353 "call site if the called function's body is not available. This is a path "
354 "where to look for those alternative implementations (called models).",
358 StringRef, CXXMemberInliningMode, "c++-inlining",
359 "Controls which C++ member functions will be considered for inlining. "
360 "Value: \"constructors\", \"destructors\", \"methods\".",
363 ANALYZER_OPTION_DEPENDS_ON_USER_MODE(
364 StringRef, IPAMode, "ipa",
365 "Controls the mode of inter-procedural analysis. Value: \"none\", "
366 "\"basic-inlining\", \"inlining\", \"dynamic\", \"dynamic-bifurcate\".",
367 /* SHALLOW_VAL */ "inlining", /* DEEP_VAL */ "dynamic-bifurcate")
370 StringRef, ExplorationStrategy, "exploration_strategy",
371 "Value: \"dfs\", \"bfs\", \"unexplored_first\", "
372 "\"unexplored_first_queue\", \"unexplored_first_location_queue\", "
373 "\"bfs_block_dfs_contents\".",
374 "unexplored_first_queue")
376 #undef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
377 #undef ANALYZER_OPTION