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