1//===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===//
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// This file defines the code generation options. Users of this file
10// must define the CODEGENOPT macro to make use of this information.
11// Optionally, the user may also define ENUM_CODEGENOPT (for options
12// that have enumeration type and VALUE_CODEGENOPT is a code
13// generation option that describes a value rather than a flag.
14//
15//===----------------------------------------------------------------------===//
16#ifndef CODEGENOPT
17#  error Define the CODEGENOPT macro to handle language options
18#endif
19
20#ifndef VALUE_CODEGENOPT
21#  define VALUE_CODEGENOPT(Name, Bits, Default) \
22CODEGENOPT(Name, Bits, Default)
23#endif
24
25#ifndef ENUM_CODEGENOPT
26#  define ENUM_CODEGENOPT(Name, Type, Bits, Default) \
27CODEGENOPT(Name, Bits, Default)
28#endif
29
30CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as
31ENUM_CODEGENOPT(CompressDebugSections, llvm::DebugCompressionType, 2,
32                llvm::DebugCompressionType::None)
33CODEGENOPT(RelaxELFRelocations, 1, 0) ///< -Wa,--mrelax-relocations
34CODEGENOPT(AsmVerbose        , 1, 0) ///< -dA, -fverbose-asm.
35CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments.
36CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new
37CODEGENOPT(Autolink          , 1, 1) ///< -fno-autolink
38CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe.
39CODEGENOPT(Backchain         , 1, 0) ///< -mbackchain
40CODEGENOPT(ControlFlowGuardNoChecks  , 1, 0) ///< -cfguard-no-checks
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.
51ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none
52
53CODEGENOPT(DisableFree       , 1, 0) ///< Don't free memory.
54CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
55CODEGENOPT(DisableGCov       , 1, 0) ///< Don't run the GCov pass, for testing.
56CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
57                                     ///< the pristine IR generated by the
58                                     ///< frontend.
59CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
60CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
61CODEGENOPT(ExperimentalNewPassManager, 1, 0) ///< Enables the new, experimental
62                                             ///< pass manager.
63CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
64                                   ///< pass manager.
65CODEGENOPT(DisableRedZone    , 1, 0) ///< Set when -mno-red-zone is enabled.
66CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of
67                                   ///< '-g' + 'O>0' level.
68CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs
69                                     ///< is specified.
70CODEGENOPT(DisableTailCalls  , 1, 0) ///< Do not emit tail calls.
71CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from
72                                           ///< escaping blocks.
73CODEGENOPT(EmitDeclMetadata  , 1, 0) ///< Emit special metadata indicating what
74                                     ///< Decl* various IR entities came from.
75                                     ///< Only useful when running CodeGen as a
76                                     ///< subroutine.
77CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata.
78CODEGENOPT(EmitGcovArcs      , 1, 0) ///< Emit coverage data files, aka. GCDA.
79CODEGENOPT(EmitGcovNotes     , 1, 0) ///< Emit coverage "notes" files, aka GCNO.
80CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
81CODEGENOPT(EmulatedTLS       , 1, 0) ///< Set by default or -f[no-]emulated-tls.
82CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used.
83/// Embed Bitcode mode (off/all/bitcode/marker).
84ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
85CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
86                                        ///< are required.
87CODEGENOPT(FunctionSections  , 1, 0) ///< Set when -ffunction-sections is enabled.
88CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
89                                       ///< enabled.
90CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
91                          ///< -finstrument-functions-after-inlining is enabled.
92CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
93                               ///< -finstrument-function-entry-bare is enabled.
94CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
95                                      ///< set to full or return.
96CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
97                                      ///< set to full or branch.
98CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is
99                                           ///< enabled.
100CODEGENOPT(StackSizeSection  , 1, 0) ///< Set when -fstack-size-section is enabled.
101CODEGENOPT(ForceDwarfFrameSection , 1, 0) ///< Set when -fforce-dwarf-frame is
102                                          ///< enabled.
103
104///< Set when -fxray-always-emit-customevents is enabled.
105CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
106
107///< Set when -fxray-always-emit-typedevents is enabled.
108CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
109
110///< Set when -fxray-ignore-loops is enabled.
111CODEGENOPT(XRayIgnoreLoops , 1, 0)
112
113
114///< Set the minimum number of instructions in a function to determine selective
115///< XRay instrumentation.
116VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
117
118VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry
119VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0)
120
121CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
122CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
123CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled.
124CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled.
125CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled.
126CODEGENOPT(LessPreciseFPMAD  , 1, 0) ///< Enable less precise MAD instructions to
127                                     ///< be generated.
128CODEGENOPT(PrepareForLTO     , 1, 0) ///< Set when -flto is enabled on the
129                                     ///< compile step.
130CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
131                                     ///< compile step.
132CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
133                          ///< program vtable opt).
134CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support
135				     /// CFI and traditional whole program
136				     /// devirtualization that require whole
137				     /// program IR support.
138CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
139                                              ///< be used with an incremental
140                                              ///< linker.
141CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
142CODEGENOPT(MergeFunctions    , 1, 0) ///< Set when -fmerge-functions is enabled.
143CODEGENOPT(MSVolatile        , 1, 0) ///< Set when /volatile:ms is enabled.
144CODEGENOPT(NoCommon          , 1, 0) ///< Set when -fno-common or C++ is enabled.
145CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
146                                       ///< enabled.
147CODEGENOPT(NoExecStack       , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
148CODEGENOPT(FatalWarnings     , 1, 0) ///< Set when -Wa,--fatal-warnings is
149                                     ///< enabled.
150CODEGENOPT(NoWarn            , 1, 0) ///< Set when -Wa,--no-warn is enabled.
151CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
152CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
153                                     ///< inline line tables.
154CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled.
155CODEGENOPT(NoImplicitFloat   , 1, 0) ///< Set when -mno-implicit-float is enabled.
156CODEGENOPT(NoInfsFPMath      , 1, 0) ///< Assume FP arguments, results not +-Inf.
157CODEGENOPT(NoSignedZeros     , 1, 0) ///< Allow ignoring the signedness of FP zero
158CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
159CODEGENOPT(Reassociate       , 1, 0) ///< Allow reassociation of FP math ops
160CODEGENOPT(ReciprocalMath    , 1, 0) ///< Allow FP divisions to be reassociated.
161CODEGENOPT(NoTrappingMath    , 1, 0) ///< Set when -fno-trapping-math is enabled.
162CODEGENOPT(NoNaNsFPMath      , 1, 0) ///< Assume FP arguments, results not NaN.
163CODEGENOPT(CorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
164
165/// When false, this attempts to generate code as if the result of an
166/// overflowing conversion matches the overflowing behavior of a target's native
167/// float-to-int conversion instructions.
168CODEGENOPT(StrictFloatCastOverflow, 1, 1)
169
170CODEGENOPT(UniformWGSize     , 1, 0) ///< -cl-uniform-work-group-size
171CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
172/// Method of Objective-C dispatch to use.
173ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
174/// Replace certain message sends with calls to ObjC runtime entrypoints
175CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1)
176
177VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
178VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
179
180/// Choose profile instrumenation kind or no instrumentation.
181ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
182/// Choose profile kind for PGO use compilation.
183ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
184CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
185                                   ///< enable code coverage analysis.
186CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
187                                       ///< regions.
188
189  /// If -fpcc-struct-return or -freg-struct-return is specified.
190ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
191
192CODEGENOPT(RelaxAll          , 1, 0) ///< Relax all machine code instructions.
193CODEGENOPT(RelaxedAliasing   , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
194CODEGENOPT(StructPathTBAA    , 1, 0) ///< Whether or not to use struct-path TBAA.
195CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
196CODEGENOPT(SaveTempLabels    , 1, 0) ///< Save temporary labels.
197CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
198                                                ///< in AddressSanitizer
199CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1,
200           0) ///< Enable poisoning operator new[] which is not a replaceable
201              ///< global allocation function in AddressSanitizer
202CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
203                                                      ///< of globals in AddressSanitizer
204CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals
205CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
206                                             ///< MemorySanitizer
207CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
208                                             ///< in MemorySanitizer
209CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
210CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
211                                         ///< diagnostics.
212CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
213                                                     ///< CFI icall function signatures
214CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical
215                                                 ///< instead of creating a local jump table.
216CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
217                                       ///< instrumentation.
218CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
219                                                ///< for indirect calls.
220CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
221                                          ///< in sanitizer coverage.
222CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
223                                           ///< in sanitizer coverage.
224CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
225                                           ///< in sanitizer coverage.
226CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
227                                           ///< in sanitizer coverage.
228CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
229                                               ///< in sanitizer coverage.
230CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
231                                          ///< in sanitizer coverage.
232CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
233                                               ///< in sanitizer coverage.
234CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
235CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
236CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
237CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
238CODEGENOPT(SanitizeStats     , 1, 0) ///< Collect statistics for sanitizers.
239CODEGENOPT(SimplifyLibCalls  , 1, 1) ///< Set when -fbuiltin is enabled.
240CODEGENOPT(SoftFloat         , 1, 0) ///< -soft-float.
241CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening.
242CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
243CODEGENOPT(StrictEnums       , 1, 0) ///< Optimize based on strict enum definition.
244CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
245CODEGENOPT(TimePasses        , 1, 0) ///< Set when -ftime-report is enabled.
246CODEGENOPT(TimeTrace         , 1, 0) ///< Set when -ftime-trace is enabled.
247VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
248                                               ///< traced by time profiler
249CODEGENOPT(UnrollLoops       , 1, 0) ///< Control whether loops are unrolled.
250CODEGENOPT(RerollLoops       , 1, 0) ///< Control whether loops are rerolled.
251CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
252CODEGENOPT(UnsafeFPMath      , 1, 0) ///< Allow unsafe floating point optzns.
253CODEGENOPT(UnwindTables      , 1, 0) ///< Emit unwind tables.
254CODEGENOPT(VectorizeLoop     , 1, 0) ///< Run loop vectorizer.
255CODEGENOPT(VectorizeSLP      , 1, 0) ///< Run SLP vectorizer.
256CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
257
258  /// Attempt to use register sized accesses to bit-fields in structures, when
259  /// possible.
260CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
261
262CODEGENOPT(VerifyModule      , 1, 1) ///< Control whether the module should be run
263                                     ///< through the LLVM Verifier.
264
265CODEGENOPT(StackRealignment  , 1, 0) ///< Control whether to force stack
266                                     ///< realignment.
267CODEGENOPT(UseInitArray      , 1, 0) ///< Control whether to use .init_array or
268                                     ///< .ctors.
269VALUE_CODEGENOPT(StackAlignment    , 32, 0) ///< Overrides default stack
270                                            ///< alignment, if not 0.
271VALUE_CODEGENOPT(StackProbeSize    , 32, 4096) ///< Overrides default stack
272                                               ///< probe size, even if 0.
273CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
274CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
275                                  ///< in debug info.
276
277CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
278                                   ///< external references to a PCH or module.
279
280CODEGENOPT(DebugExplicitImport, 1, 0)  ///< Whether or not debug info should
281                                       ///< contain explicit imports for
282                                       ///< anonymous namespaces
283
284CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the
285                                     ///< skeleton CU to allow for symbolication
286                                     ///< of inline stack frames without .dwo files.
287CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
288                                         ///< template parameter descriptions in
289                                         ///< forward declarations (versus just
290                                         ///< including them in the name).
291
292CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
293
294CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
295                                      ///  vtable optimization.
296
297CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead
298                                             /// virtual function elimination
299                                             /// optimization.
300
301/// Whether to use public LTO visibility for entities in std and stdext
302/// namespaces. This is enabled by clang-cl's /MT and /MTd flags.
303CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
304
305/// The user specified number of registers to be used for integral arguments,
306/// or 0 if unspecified.
307VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
308
309/// The threshold to put data into small data section.
310VALUE_CODEGENOPT(SmallDataLimit, 32, 0)
311
312/// The lower bound for a buffer to be considered for stack protection.
313VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
314
315/// The kind of generated debug info.
316ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 3, codegenoptions::NoDebugInfo)
317
318/// Whether to generate macro debug info.
319CODEGENOPT(MacroDebugInfo, 1, 0)
320
321/// Tune the debug info for this debugger.
322ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 2,
323                llvm::DebuggerKind::Default)
324
325/// Dwarf version. Version zero indicates to LLVM that no DWARF should be
326/// emitted.
327VALUE_CODEGENOPT(DwarfVersion, 3, 0)
328
329/// Whether we should emit CodeView debug information. It's possible to emit
330/// CodeView and DWARF into the same object.
331CODEGENOPT(EmitCodeView, 1, 0)
332
333/// Whether to emit the .debug$H section containing hashes of CodeView types.
334CODEGENOPT(CodeViewGHash, 1, 0)
335
336/// The kind of inlining to perform.
337ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
338
339// Vector functions library to use.
340ENUM_CODEGENOPT(VecLib, VectorLibrary, 2, NoLibrary)
341
342/// The default TLS model to use.
343ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
344
345/// Bit size of immediate TLS offsets (0 == use the default).
346VALUE_CODEGENOPT(TLSSize, 8, 0)
347
348/// Number of path components to strip when emitting checks. (0 == full
349/// filename)
350VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
351
352/// Whether to report the hotness of the code region for optimization remarks.
353CODEGENOPT(DiagnosticsWithHotness, 1, 0)
354
355/// The minimum hotness value a diagnostic needs in order to be included in
356/// optimization diagnostics.
357VALUE_CODEGENOPT(DiagnosticsHotnessThreshold, 32, 0)
358
359/// Whether copy relocations support is available when building as PIE.
360CODEGENOPT(PIECopyRelocations, 1, 0)
361
362/// Whether we should use the undefined behaviour optimization for control flow
363/// paths that reach the end of a function without executing a required return.
364CODEGENOPT(StrictReturn, 1, 1)
365
366/// Whether emit extra debug info for sample pgo profile collection.
367CODEGENOPT(DebugInfoForProfiling, 1, 0)
368
369/// Whether 3-component vector type is preserved.
370CODEGENOPT(PreserveVec3Type, 1, 0)
371
372/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
373CODEGENOPT(DebugNameTable, 2, 0)
374
375/// Whether to use DWARF base address specifiers in .debug_ranges.
376CODEGENOPT(DebugRangesBaseAddress, 1, 0)
377
378CODEGENOPT(NoPLT, 1, 0)
379
380/// Whether to embed source in DWARF debug line section.
381CODEGENOPT(EmbedSource, 1, 0)
382
383/// Whether to emit all vtables
384CODEGENOPT(ForceEmitVTables, 1, 0)
385
386/// Whether to emit an address-significance table into the object file.
387CODEGENOPT(Addrsig, 1, 0)
388
389ENUM_CODEGENOPT(SignReturnAddress, SignReturnAddressScope, 2, SignReturnAddressScope::None)
390ENUM_CODEGENOPT(SignReturnAddressKey, SignReturnAddressKeyValue, 1, SignReturnAddressKeyValue::AKey)
391CODEGENOPT(BranchTargetEnforcement, 1, 0)
392
393/// Whether to emit unused static constants.
394CODEGENOPT(KeepStaticConsts, 1, 0)
395
396/// Whether to not follow the AAPCS that enforce at least one read before storing to a volatile bitfield
397CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0)
398
399#undef CODEGENOPT
400#undef ENUM_CODEGENOPT
401#undef VALUE_CODEGENOPT
402
403