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1//===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the code generation options. Users of this file
11// must define the CODEGENOPT macro to make use of this information.
12// Optionally, the user may also define ENUM_CODEGENOPT (for options
13// that have enumeration type and VALUE_CODEGENOPT is a code
14// generation option that describes a value rather than a flag.
15//
16//===----------------------------------------------------------------------===//
17#ifndef CODEGENOPT
18# error Define the CODEGENOPT macro to handle language options
19#endif
20
21#ifndef VALUE_CODEGENOPT
22# define VALUE_CODEGENOPT(Name, Bits, Default) \
23CODEGENOPT(Name, Bits, Default)
24#endif
25
26#ifndef ENUM_CODEGENOPT
27# define ENUM_CODEGENOPT(Name, Type, Bits, Default) \
28CODEGENOPT(Name, Bits, Default)
29#endif
30
31CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as
32ENUM_CODEGENOPT(CompressDebugSections, llvm::DebugCompressionType, 2,
33 llvm::DebugCompressionType::None)
34CODEGENOPT(RelaxELFRelocations, 1, 0) ///< -Wa,--mrelax-relocations
35CODEGENOPT(AsmVerbose , 1, 0) ///< -dA, -fverbose-asm.
36CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments.
37CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new
38CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink
39CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe.
40CODEGENOPT(Backchain , 1, 0) ///< -mbackchain
41CODEGENOPT(ControlFlowGuard , 1, 0) ///< -cfguard
42CODEGENOPT(CoverageExtraChecksum, 1, 0) ///< Whether we need a second checksum for functions in GCNO files.
43CODEGENOPT(CoverageNoFunctionNamesInData, 1, 0) ///< Do not include function names in GCDA files.
44CODEGENOPT(CoverageExitBlockBeforeBody, 1, 0) ///< Whether to emit the exit block before the body blocks in GCNO files.
45CODEGENOPT(CXAAtExit , 1, 1) ///< Use __cxa_atexit for calling destructors.
46CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1) ///< Use atexit or __cxa_atexit to register global destructors.
47CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker
48 ///< aliases to base ctors when possible.
49CODEGENOPT(DataSections , 1, 0) ///< Set when -fdata-sections is enabled.
50CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names.
51CODEGENOPT(DisableFPElim , 1, 0) ///< Set when -fomit-frame-pointer is enabled.
52CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory.
53CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
54CODEGENOPT(DisableGCov , 1, 0) ///< Don't run the GCov pass, for testing.
55CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
56 ///< the pristine IR generated by the
57 ///< frontend.
58CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
59CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
60CODEGENOPT(ExperimentalNewPassManager, 1, 0) ///< Enables the new, experimental
61 ///< pass manager.
62CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
63 ///< pass manager.
64CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled.
65CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls.
66CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from
67 ///< escaping blocks.
68CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what
69 ///< Decl* various IR entities came from.
70 ///< Only useful when running CodeGen as a
71 ///< subroutine.
72CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata.
73CODEGENOPT(EmitGcovArcs , 1, 0) ///< Emit coverage data files, aka. GCDA.
74CODEGENOPT(EmitGcovNotes , 1, 0) ///< Emit coverage "notes" files, aka GCNO.
75CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
76CODEGENOPT(EmulatedTLS , 1, 0) ///< Set by default or -f[no-]emulated-tls.
77CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used.
78/// Embed Bitcode mode (off/all/bitcode/marker).
79ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
80CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
81 ///< are required.
82CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections is enabled.
83CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
84 ///< enabled.
85CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
86 ///< -finstrument-functions-after-inlining is enabled.
87CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
88 ///< -finstrument-function-entry-bare is enabled.
89CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
90 ///< set to full or return.
91CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
92 ///< set to full or branch.
93CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is
94 ///< enabled.
95CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled.
96
97///< Set when -fxray-always-emit-customevents is enabled.
98CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
99
100///< Set when -fxray-always-emit-typedevents is enabled.
101CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
102
103///< Set the minimum number of instructions in a function to determine selective
104///< XRay instrumentation.
105VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
106
107CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
108CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
109CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to
110 ///< be generated.
111CODEGENOPT(PrepareForLTO , 1, 0) ///< Set when -flto is enabled on the
112 ///< compile step.
113CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
114 ///< compile step.
115CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
116 ///< program vtable opt).
117CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
118 ///< be used with an incremental
119 ///< linker.
120CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
121CODEGENOPT(MergeFunctions , 1, 0) ///< Set when -fmerge-functions is enabled.
122CODEGENOPT(MSVolatile , 1, 0) ///< Set when /volatile:ms is enabled.
123CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled.
124CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
125 ///< enabled.
126CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
127CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is
128 ///< enabled.
129CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
130CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled.
131CODEGENOPT(NoInfsFPMath , 1, 0) ///< Assume FP arguments, results not +-Inf.
132CODEGENOPT(NoSignedZeros , 1, 0) ///< Allow ignoring the signedness of FP zero
133CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
134CODEGENOPT(Reassociate , 1, 0) ///< Allow reassociation of FP math ops
135CODEGENOPT(ReciprocalMath , 1, 0) ///< Allow FP divisions to be reassociated.
136CODEGENOPT(NoTrappingMath , 1, 0) ///< Set when -fno-trapping-math is enabled.
137CODEGENOPT(NoNaNsFPMath , 1, 0) ///< Assume FP arguments, results not NaN.
138CODEGENOPT(FlushDenorm , 1, 0) ///< Allow FP denorm numbers to be flushed to zero
139CODEGENOPT(CorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
140
141/// When false, this attempts to generate code as if the result of an
142/// overflowing conversion matches the overflowing behavior of a target's native
143/// float-to-int conversion instructions.
144CODEGENOPT(StrictFloatCastOverflow, 1, 1)
145
146CODEGENOPT(UniformWGSize , 1, 0) ///< -cl-uniform-work-group-size
147CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
148/// Method of Objective-C dispatch to use.
149ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
150CODEGENOPT(OmitLeafFramePointer , 1, 0) ///< Set when -momit-leaf-frame-pointer is
151 ///< enabled.
152
153VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
154VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
155
156/// Choose profile instrumenation kind or no instrumentation.
157ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
158/// Choose profile kind for PGO use compilation.
159ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
160CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
161 ///< enable code coverage analysis.
162CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
163 ///< regions.
164
165 /// If -fpcc-struct-return or -freg-struct-return is specified.
166ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
167
168CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions.
169CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
170CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA.
171CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
172CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels.
173CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
174 ///< in AddressSanitizer
175CODEGENOPT(SanitizeAddressPoisonClassMemberArrayNewCookie, 1,
176 0) ///< Enable poisoning operator new[] which is not a replaceable
177 ///< global allocation function in AddressSanitizer
178CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
179 ///< of globals in AddressSanitizer
180CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
181 ///< MemorySanitizer
182CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
183 ///< in MemorySanitizer
184CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
185CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
186 ///< diagnostics.
187CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
188 ///< CFI icall function signatures
189CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
190 ///< instrumentation.
191CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
192 ///< for indirect calls.
193CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
194 ///< in sanitizer coverage.
195CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
196 ///< in sanitizer coverage.
197CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
198 ///< in sanitizer coverage.
199CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
200 ///< in sanitizer coverage.
201CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
202 ///< in sanitizer coverage.
203CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
204 ///< in sanitizer coverage.
205CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
206 ///< in sanitizer coverage.
207CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
208CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
209CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
210CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
211CODEGENOPT(SanitizeStats , 1, 0) ///< Collect statistics for sanitizers.
212CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled.
213CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float.
214CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
215CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition.
216CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
217CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report is enabled.
218CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled.
219CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled.
220CODEGENOPT(NoUseJumpTables , 1, 0) ///< Set when -fno-jump-tables is enabled.
221CODEGENOPT(UnsafeFPMath , 1, 0) ///< Allow unsafe floating point optzns.
222CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables.
223CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer.
224CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer.
225CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
226
227 /// Attempt to use register sized accesses to bit-fields in structures, when
228 /// possible.
229CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
230
231CODEGENOPT(VerifyModule , 1, 1) ///< Control whether the module should be run
232 ///< through the LLVM Verifier.
233
234CODEGENOPT(StackRealignment , 1, 0) ///< Control whether to force stack
235 ///< realignment.
236CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or
237 ///< .ctors.
238VALUE_CODEGENOPT(StackAlignment , 32, 0) ///< Overrides default stack
239 ///< alignment, if not 0.
240VALUE_CODEGENOPT(StackProbeSize , 32, 4096) ///< Overrides default stack
241 ///< probe size, even if 0.
242CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
243CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
244 ///< in debug info.
245
246CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
247 ///< external references to a PCH or module.
248
249CODEGENOPT(DebugExplicitImport, 1, 0) ///< Whether or not debug info should
250 ///< contain explicit imports for
251 ///< anonymous namespaces
252CODEGENOPT(EnableSplitDwarf, 1, 0) ///< Whether to enable split DWARF
253CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the
254 ///< skeleton CU to allow for symbolication
255 ///< of inline stack frames without .dwo files.
256CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
257 ///< template parameter descriptions in
258 ///< forward declarations (versus just
259 ///< including them in the name).
260
261CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
262
263CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
264 /// vtable optimization.
265
266/// Whether to use public LTO visibility for entities in std and stdext
267/// namespaces. This is enabled by clang-cl's /MT and /MTd flags.
268CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
269
270/// The user specified number of registers to be used for integral arguments,
271/// or 0 if unspecified.
272VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
273
274/// The lower bound for a buffer to be considered for stack protection.
275VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
276
277/// The kind of generated debug info.
278ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 3, codegenoptions::NoDebugInfo)
279
280/// Whether to generate macro debug info.
281CODEGENOPT(MacroDebugInfo, 1, 0)
282
283/// Tune the debug info for this debugger.
284ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 2,
285 llvm::DebuggerKind::Default)
286
287/// Dwarf version. Version zero indicates to LLVM that no DWARF should be
288/// emitted.
289VALUE_CODEGENOPT(DwarfVersion, 3, 0)
290
291/// Whether we should emit CodeView debug information. It's possible to emit
292/// CodeView and DWARF into the same object.
293CODEGENOPT(EmitCodeView, 1, 0)
294
295/// The kind of inlining to perform.
296ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
297
298// Vector functions library to use.
299ENUM_CODEGENOPT(VecLib, VectorLibrary, 2, NoLibrary)
300
301/// The default TLS model to use.
302ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
303
304/// Number of path components to strip when emitting checks. (0 == full
305/// filename)
306VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
307
308/// Whether to report the hotness of the code region for optimization remarks.
309CODEGENOPT(DiagnosticsWithHotness, 1, 0)
310
311/// The minimum hotness value a diagnostic needs in order to be included in
312/// optimization diagnostics.
313VALUE_CODEGENOPT(DiagnosticsHotnessThreshold, 32, 0)
314
315/// Whether copy relocations support is available when building as PIE.
316CODEGENOPT(PIECopyRelocations, 1, 0)
317
318/// Whether we should use the undefined behaviour optimization for control flow
319/// paths that reach the end of a function without executing a required return.
320CODEGENOPT(StrictReturn, 1, 1)
321
322/// Whether emit extra debug info for sample pgo profile collection.
323CODEGENOPT(DebugInfoForProfiling, 1, 0)
324
325/// Whether 3-component vector type is preserved.
326CODEGENOPT(PreserveVec3Type, 1, 0)
327
328/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
329CODEGENOPT(GnuPubnames, 1, 0)
330
331CODEGENOPT(NoPLT, 1, 0)
332
333/// Whether to embed source in DWARF debug line section.
334CODEGENOPT(EmbedSource, 1, 0)
335
336/// Whether to emit all vtables
337CODEGENOPT(ForceEmitVTables, 1, 0)
338
339/// Whether to emit an address-significance table into the object file.
340CODEGENOPT(Addrsig, 1, 0)
341
342
343#undef CODEGENOPT
344#undef ENUM_CODEGENOPT
345#undef VALUE_CODEGENOPT
346
347

Warning: That file was not part of the compilation database. It may have many parsing errors.