1 //===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
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.
15 //===----------------------------------------------------------------------===//
17 # error Define the CODEGENOPT macro to handle language options
20 #ifndef VALUE_CODEGENOPT
21 # define VALUE_CODEGENOPT(Name, Bits, Default) \
22 CODEGENOPT(Name, Bits, Default)
25 #ifndef ENUM_CODEGENOPT
26 # define ENUM_CODEGENOPT(Name, Type, Bits, Default) \
27 CODEGENOPT(Name, Bits, Default)
30 CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as
31 ENUM_CODEGENOPT(CompressDebugSections, llvm::DebugCompressionType, 2,
32 llvm::DebugCompressionType::None)
33 CODEGENOPT(RelaxELFRelocations, 1, 0) ///< -Wa,--mrelax-relocations
34 CODEGENOPT(AsmVerbose , 1, 0) ///< -dA, -fverbose-asm.
35 CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments.
36 CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new
37 CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink
38 CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe.
39 CODEGENOPT(Backchain , 1, 0) ///< -mbackchain
40 CODEGENOPT(ControlFlowGuardNoChecks , 1, 0) ///< -cfguard-no-checks
41 CODEGENOPT(ControlFlowGuard , 1, 0) ///< -cfguard
42 CODEGENOPT(CXAAtExit , 1, 1) ///< Use __cxa_atexit for calling destructors.
43 CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1) ///< Use atexit or __cxa_atexit to register global destructors.
44 CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker
45 ///< aliases to base ctors when possible.
46 CODEGENOPT(DataSections , 1, 0) ///< Set when -fdata-sections is enabled.
47 CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names.
48 CODEGENOPT(UniqueBasicBlockSectionNames, 1, 1) ///< Set for -funique-basic-block-section-names,
49 ///< Produce unique section names with
50 ///< basic block sections.
51 ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none
53 CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory.
54 CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
55 CODEGENOPT(DisableGCov , 1, 0) ///< Don't run the GCov pass, for testing.
56 CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
57 ///< the pristine IR generated by the
59 CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
60 CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
61 CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental
62 ///< strict floating point.
63 CODEGENOPT(ExperimentalNewPassManager, 1, 0) ///< Enables the new, experimental
65 CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
67 CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled.
68 CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of
69 ///< '-g' + 'O>0' level.
70 CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs
72 CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls.
73 CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from
75 CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what
76 ///< Decl* various IR entities came from.
77 ///< Only useful when running CodeGen as a
79 CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata.
80 CODEGENOPT(EmitGcovArcs , 1, 0) ///< Emit coverage data files, aka. GCDA.
81 CODEGENOPT(EmitGcovNotes , 1, 0) ///< Emit coverage "notes" files, aka GCNO.
82 CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
83 CODEGENOPT(EmulatedTLS , 1, 0) ///< Set by default or -f[no-]emulated-tls.
84 CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used.
85 /// Embed Bitcode mode (off/all/bitcode/marker).
86 ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
87 CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
89 CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections is enabled.
90 CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
92 CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
93 ///< -finstrument-functions-after-inlining is enabled.
94 CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
95 ///< -finstrument-function-entry-bare is enabled.
96 CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
97 ///< set to full or return.
98 CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
99 ///< set to full or branch.
100 CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is
102 CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled.
103 CODEGENOPT(ForceDwarfFrameSection , 1, 0) ///< Set when -fforce-dwarf-frame is
106 ///< Set when -fxray-always-emit-customevents is enabled.
107 CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
109 ///< Set when -fxray-always-emit-typedevents is enabled.
110 CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
112 ///< Set when -fxray-ignore-loops is enabled.
113 CODEGENOPT(XRayIgnoreLoops , 1, 0)
115 ///< Set with -fno-xray-function-index to omit the index section.
116 CODEGENOPT(XRayOmitFunctionIndex , 1, 0)
119 ///< Set the minimum number of instructions in a function to determine selective
120 ///< XRay instrumentation.
121 VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
123 VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry
124 VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0)
126 CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
127 CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
128 CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled.
129 CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled.
130 CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled.
131 CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to
133 CODEGENOPT(PrepareForLTO , 1, 0) ///< Set when -flto is enabled on the
135 CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
137 CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
138 ///< program vtable opt).
139 CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support
140 /// CFI and traditional whole program
141 /// devirtualization that require whole
142 /// program IR support.
143 CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
144 ///< be used with an incremental
146 CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
147 CODEGENOPT(MergeFunctions , 1, 0) ///< Set when -fmerge-functions is enabled.
148 CODEGENOPT(MSVolatile , 1, 0) ///< Set when /volatile:ms is enabled.
149 CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled.
150 CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
152 CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
153 CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is
155 CODEGENOPT(NoWarn , 1, 0) ///< Set when -Wa,--no-warn is enabled.
156 CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
157 CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
158 ///< inline line tables.
159 CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled.
160 CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled.
161 CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
162 CODEGENOPT(CorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
163 CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names.
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.
168 CODEGENOPT(StrictFloatCastOverflow, 1, 1)
170 CODEGENOPT(UniformWGSize , 1, 0) ///< -cl-uniform-work-group-size
171 CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
172 /// Method of Objective-C dispatch to use.
173 ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
174 /// Replace certain message sends with calls to ObjC runtime entrypoints
175 CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1)
177 VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
178 VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
180 /// Choose profile instrumenation kind or no instrumentation.
181 ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
182 /// Choose profile kind for PGO use compilation.
183 ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
184 CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
185 ///< enable code coverage analysis.
186 CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
189 /// If -fpcc-struct-return or -freg-struct-return is specified.
190 ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
192 CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions.
193 CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
194 CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA.
195 CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
196 CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels.
197 CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
198 ///< in AddressSanitizer
199 CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1,
200 0) ///< Enable poisoning operator new[] which is not a replaceable
201 ///< global allocation function in AddressSanitizer
202 CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
203 ///< of globals in AddressSanitizer
204 CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals
205 CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
207 CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
208 ///< in MemorySanitizer
209 CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
210 CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
212 CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
213 ///< CFI icall function signatures
214 CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical
215 ///< instead of creating a local jump table.
216 CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
217 ///< instrumentation.
218 CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
219 ///< for indirect calls.
220 CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
221 ///< in sanitizer coverage.
222 CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
223 ///< in sanitizer coverage.
224 CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
225 ///< in sanitizer coverage.
226 CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
227 ///< in sanitizer coverage.
228 CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
229 ///< in sanitizer coverage.
230 CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
231 ///< in sanitizer coverage.
232 CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
233 ///< in sanitizer coverage.
234 CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
235 CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag.
236 CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
237 CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
238 CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
239 CODEGENOPT(SanitizeStats , 1, 0) ///< Collect statistics for sanitizers.
240 CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled.
241 CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float.
242 CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening.
243 CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
244 CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition.
245 CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
246 CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report is enabled.
247 CODEGENOPT(TimeTrace , 1, 0) ///< Set when -ftime-trace is enabled.
248 VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
249 ///< traced by time profiler
250 CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled.
251 CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled.
252 CODEGENOPT(NoUseJumpTables , 1, 0) ///< Set when -fno-jump-tables is enabled.
253 CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables.
254 CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer.
255 CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer.
256 CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
258 /// Attempt to use register sized accesses to bit-fields in structures, when
260 CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
262 CODEGENOPT(VerifyModule , 1, 1) ///< Control whether the module should be run
263 ///< through the LLVM Verifier.
265 CODEGENOPT(StackRealignment , 1, 0) ///< Control whether to force stack
267 CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or
269 VALUE_CODEGENOPT(StackAlignment , 32, 0) ///< Overrides default stack
270 ///< alignment, if not 0.
271 VALUE_CODEGENOPT(StackProbeSize , 32, 4096) ///< Overrides default stack
272 ///< probe size, even if 0.
273 CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
274 CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
277 CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
278 ///< external references to a PCH or module.
280 CODEGENOPT(DebugExplicitImport, 1, 0) ///< Whether or not debug info should
281 ///< contain explicit imports for
282 ///< anonymous namespaces
284 CODEGENOPT(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.
287 CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
288 ///< template parameter descriptions in
289 ///< forward declarations (versus just
290 ///< including them in the name).
292 CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
294 CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
295 /// vtable optimization.
297 CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead
298 /// virtual function elimination
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.
303 CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
305 /// The user specified number of registers to be used for integral arguments,
306 /// or 0 if unspecified.
307 VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
309 /// The threshold to put data into small data section.
310 VALUE_CODEGENOPT(SmallDataLimit, 32, 0)
312 /// The lower bound for a buffer to be considered for stack protection.
313 VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
315 /// The kind of generated debug info.
316 ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 3, codegenoptions::NoDebugInfo)
318 /// Whether to generate macro debug info.
319 CODEGENOPT(MacroDebugInfo, 1, 0)
321 /// Tune the debug info for this debugger.
322 ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 2,
323 llvm::DebuggerKind::Default)
325 /// Dwarf version. Version zero indicates to LLVM that no DWARF should be
327 VALUE_CODEGENOPT(DwarfVersion, 3, 0)
329 /// Whether we should emit CodeView debug information. It's possible to emit
330 /// CodeView and DWARF into the same object.
331 CODEGENOPT(EmitCodeView, 1, 0)
333 /// Whether to emit the .debug$H section containing hashes of CodeView types.
334 CODEGENOPT(CodeViewGHash, 1, 0)
336 /// The kind of inlining to perform.
337 ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
339 // Vector functions library to use.
340 ENUM_CODEGENOPT(VecLib, VectorLibrary, 2, NoLibrary)
342 /// The default TLS model to use.
343 ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
345 /// Bit size of immediate TLS offsets (0 == use the default).
346 VALUE_CODEGENOPT(TLSSize, 8, 0)
348 /// Number of path components to strip when emitting checks. (0 == full
350 VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
352 /// Whether to report the hotness of the code region for optimization remarks.
353 CODEGENOPT(DiagnosticsWithHotness, 1, 0)
355 /// The minimum hotness value a diagnostic needs in order to be included in
356 /// optimization diagnostics.
357 VALUE_CODEGENOPT(DiagnosticsHotnessThreshold, 32, 0)
359 /// Whether copy relocations support is available when building as PIE.
360 CODEGENOPT(PIECopyRelocations, 1, 0)
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.
364 CODEGENOPT(StrictReturn, 1, 1)
366 /// Whether emit extra debug info for sample pgo profile collection.
367 CODEGENOPT(DebugInfoForProfiling, 1, 0)
369 /// Whether 3-component vector type is preserved.
370 CODEGENOPT(PreserveVec3Type, 1, 0)
372 /// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
373 CODEGENOPT(DebugNameTable, 2, 0)
375 /// Whether to use DWARF base address specifiers in .debug_ranges.
376 CODEGENOPT(DebugRangesBaseAddress, 1, 0)
378 CODEGENOPT(NoPLT, 1, 0)
380 /// Whether to embed source in DWARF debug line section.
381 CODEGENOPT(EmbedSource, 1, 0)
383 /// Whether to emit all vtables
384 CODEGENOPT(ForceEmitVTables, 1, 0)
386 /// Whether to emit an address-significance table into the object file.
387 CODEGENOPT(Addrsig, 1, 0)
389 /// Whether to emit unused static constants.
390 CODEGENOPT(KeepStaticConsts, 1, 0)
392 /// Whether to not follow the AAPCS that enforce at least one read before storing to a volatile bitfield
393 CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0)
396 #undef ENUM_CODEGENOPT
397 #undef VALUE_CODEGENOPT