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(Dwarf64 , 1, 0) ///< -gdwarf64.
36CODEGENOPT(Dwarf32 , 1, 1) ///< -gdwarf32.
37CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments.
38CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new
39CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink
40CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe.
41CODEGENOPT(Backchain , 1, 0) ///< -mbackchain
42CODEGENOPT(ControlFlowGuardNoChecks , 1, 0) ///< -cfguard-no-checks
43CODEGENOPT(ControlFlowGuard , 1, 0) ///< -cfguard
44CODEGENOPT(EHContGuard , 1, 0) ///< -ehcontguard
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(UniqueBasicBlockSectionNames, 1, 1) ///< Set for -funique-basic-block-section-names,
52 ///< Produce unique section names with
53 ///< basic block sections.
54CODEGENOPT(EnableAIXExtendedAltivecABI, 1, 0) ///< Set for -mabi=vec-extabi. Enables the extended Altivec ABI on AIX.
55ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none
56
57CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory.
58CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
59CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
60 ///< the pristine IR generated by the
61 ///< frontend.
62CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
63CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
64CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental
65 ///< strict floating point.
66CODEGENOPT(EnableNoundefAttrs, 1, 0) ///< Enable emitting `noundef` attributes on IR call arguments and return values
67CODEGENOPT(LegacyPassManager, 1, 0) ///< Use the legacy pass manager.
68CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
69 ///< pass manager.
70CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled.
71CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of
72 ///< '-g' + 'O>0' level.
73CODEGENOPT(EnableDIPreservationVerify, 1, 0) ///< Enable di preservation verify
74 ///< each (it means check
75 ///< the original debug info
76 ///< metadata preservation).
77CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs
78 ///< is specified.
79CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls.
80CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from
81 ///< escaping blocks.
82CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what
83 ///< Decl* various IR entities came from.
84 ///< Only useful when running CodeGen as a
85 ///< subroutine.
86CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata.
87CODEGENOPT(EmitGcovArcs , 1, 0) ///< Emit coverage data files, aka. GCDA.
88CODEGENOPT(EmitGcovNotes , 1, 0) ///< Emit coverage "notes" files, aka GCNO.
89CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
90CODEGENOPT(EmulatedTLS , 1, 0) ///< Set by default or -f[no-]emulated-tls.
91CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used.
92/// Embed Bitcode mode (off/all/bitcode/marker).
93ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
94CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
95 ///< are required.
96CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections is enabled.
97CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
98 ///< enabled.
99CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
100 ///< -finstrument-functions-after-inlining is enabled.
101CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
102 ///< -finstrument-function-entry-bare is enabled.
103CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
104 ///< set to full or return.
105CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
106 ///< set to full or branch.
107CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is
108 ///< enabled.
109CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled.
110CODEGENOPT(ForceDwarfFrameSection , 1, 0) ///< Set when -fforce-dwarf-frame is
111 ///< enabled.
112
113///< Set when -fxray-always-emit-customevents is enabled.
114CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
115
116///< Set when -fxray-always-emit-typedevents is enabled.
117CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
118
119///< Set when -fxray-ignore-loops is enabled.
120CODEGENOPT(XRayIgnoreLoops , 1, 0)
121
122///< Set with -fno-xray-function-index to omit the index section.
123CODEGENOPT(XRayOmitFunctionIndex , 1, 0)
124
125
126///< Set the minimum number of instructions in a function to determine selective
127///< XRay instrumentation.
128VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
129
130///< Only instrument 1 in N functions, by dividing functions into N total groups and
131///< instrumenting only the specified group at a time. Group numbers start at 0
132///< and end at N-1.
133VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1)
134VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0)
135
136VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry
137VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0)
138
139CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
140CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
141CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled.
142CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled.
143CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled.
144CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to
145 ///< be generated.
146CODEGENOPT(PrepareForLTO , 1, 0) ///< Set when -flto is enabled on the
147 ///< compile step.
148CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
149 ///< compile step.
150CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
151 ///< program vtable opt).
152CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support
153 /// CFI and traditional whole program
154 /// devirtualization that require whole
155 /// program IR support.
156CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
157 ///< be used with an incremental
158 ///< linker.
159CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
160CODEGENOPT(MergeFunctions , 1, 0) ///< Set when -fmerge-functions is enabled.
161CODEGENOPT(MSVolatile , 1, 0) ///< Set when /volatile:ms is enabled.
162CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled.
163CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
164 ///< enabled.
165CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
166CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is
167 ///< enabled.
168CODEGENOPT(NoWarn , 1, 0) ///< Set when -Wa,--no-warn is enabled.
169CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
170CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
171 ///< inline line tables.
172CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled.
173CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled.
174CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
175CODEGENOPT(OpenCLCorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
176CODEGENOPT(HIPCorrectlyRoundedDivSqrt, 1, 1) ///< -fno-hip-fp32-correctly-rounded-divide-sqrt
177CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names.
178CODEGENOPT(SplitMachineFunctions, 1, 0) ///< Split machine functions using profile information.
179
180/// When false, this attempts to generate code as if the result of an
181/// overflowing conversion matches the overflowing behavior of a target's native
182/// float-to-int conversion instructions.
183CODEGENOPT(StrictFloatCastOverflow, 1, 1)
184
185CODEGENOPT(UniformWGSize , 1, 0) ///< -cl-uniform-work-group-size
186CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
187/// Method of Objective-C dispatch to use.
188ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
189/// Replace certain message sends with calls to ObjC runtime entrypoints
190CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1)
191
192VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
193VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
194
195CODEGENOPT(AtomicProfileUpdate , 1, 0) ///< Set -fprofile-update=atomic
196/// Choose profile instrumenation kind or no instrumentation.
197ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
198/// Choose profile kind for PGO use compilation.
199ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
200CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
201 ///< enable code coverage analysis.
202CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
203 ///< regions.
204
205 /// If -fpcc-struct-return or -freg-struct-return is specified.
206ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
207
208CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions.
209CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
210CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA.
211CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
212CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels.
213CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
214 ///< in AddressSanitizer
215CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1,
216 0) ///< Enable poisoning operator new[] which is not a replaceable
217 ///< global allocation function in AddressSanitizer
218CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
219 ///< of globals in AddressSanitizer
220CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals
221CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
222 ///< MemorySanitizer
223ENUM_CODEGENOPT(SanitizeAddressDtor, llvm::AsanDtorKind, 2,
224 llvm::AsanDtorKind::Global) ///< Set how ASan global
225 ///< destructors are emitted.
226CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
227 ///< in MemorySanitizer
228CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
229CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
230 ///< diagnostics.
231CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
232 ///< CFI icall function signatures
233CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical
234 ///< instead of creating a local jump table.
235CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
236 ///< instrumentation.
237CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
238 ///< for indirect calls.
239CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
240 ///< in sanitizer coverage.
241CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
242 ///< in sanitizer coverage.
243CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
244 ///< in sanitizer coverage.
245CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
246 ///< in sanitizer coverage.
247CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
248 ///< in sanitizer coverage.
249CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
250 ///< in sanitizer coverage.
251CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
252 ///< in sanitizer coverage.
253CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
254CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag.
255CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
256CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
257CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
258CODEGENOPT(SanitizeStats , 1, 0) ///< Collect statistics for sanitizers.
259CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled.
260CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float.
261CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening.
262CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
263CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition.
264CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
265CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report or -ftime-report= is enabled.
266CODEGENOPT(TimePassesPerRun , 1, 0) ///< Set when -ftime-report=per-pass-run is enabled.
267CODEGENOPT(TimeTrace , 1, 0) ///< Set when -ftime-trace is enabled.
268VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
269 ///< traced by time profiler
270CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled.
271CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled.
272CODEGENOPT(NoUseJumpTables , 1, 0) ///< Set when -fno-jump-tables is enabled.
273CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables.
274CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer.
275CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer.
276CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
277
278/// Treat loops as finite: language, always, never.
279ENUM_CODEGENOPT(FiniteLoops, FiniteLoopsKind, 2, FiniteLoopsKind::Language)
280
281 /// Attempt to use register sized accesses to bit-fields in structures, when
282 /// possible.
283CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
284
285CODEGENOPT(VerifyModule , 1, 1) ///< Control whether the module should be run
286 ///< through the LLVM Verifier.
287
288CODEGENOPT(StackRealignment , 1, 0) ///< Control whether to force stack
289 ///< realignment.
290CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or
291 ///< .ctors.
292VALUE_CODEGENOPT(StackAlignment , 32, 0) ///< Overrides default stack
293 ///< alignment, if not 0.
294VALUE_CODEGENOPT(StackProbeSize , 32, 4096) ///< Overrides default stack
295 ///< probe size, even if 0.
296CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
297CODEGENOPT(DebugStrictDwarf, 1, 1) ///< Whether or not to use strict DWARF info.
298CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
299 ///< in debug info.
300
301CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
302 ///< external references to a PCH or module.
303
304CODEGENOPT(DebugExplicitImport, 1, 0) ///< Whether or not debug info should
305 ///< contain explicit imports for
306 ///< anonymous namespaces
307
308CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the
309 ///< skeleton CU to allow for symbolication
310 ///< of inline stack frames without .dwo files.
311CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
312 ///< template parameter descriptions in
313 ///< forward declarations (versus just
314 ///< including them in the name).
315CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
316
317CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
318 /// vtable optimization.
319
320CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead
321 /// virtual function elimination
322 /// optimization.
323
324/// Whether to use public LTO visibility for entities in std and stdext
325/// namespaces. This is enabled by clang-cl's /MT and /MTd flags.
326CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
327
328/// The user specified number of registers to be used for integral arguments,
329/// or 0 if unspecified.
330VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
331
332/// The threshold to put data into small data section.
333VALUE_CODEGENOPT(SmallDataLimit, 32, 0)
334
335/// The lower bound for a buffer to be considered for stack protection.
336VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
337
338/// The kind of generated debug info.
339ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 4, codegenoptions::NoDebugInfo)
340
341/// Whether to generate macro debug info.
342CODEGENOPT(MacroDebugInfo, 1, 0)
343
344/// Tune the debug info for this debugger.
345ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 3,
346 llvm::DebuggerKind::Default)
347
348/// Dwarf version. Version zero indicates to LLVM that no DWARF should be
349/// emitted.
350VALUE_CODEGENOPT(DwarfVersion, 3, 0)
351
352/// Whether to use experimental new variable location tracking.
353CODEGENOPT(ValueTrackingVariableLocations, 1, 0)
354
355/// Whether we should emit CodeView debug information. It's possible to emit
356/// CodeView and DWARF into the same object.
357CODEGENOPT(EmitCodeView, 1, 0)
358
359/// Whether to emit the .debug$H section containing hashes of CodeView types.
360CODEGENOPT(CodeViewGHash, 1, 0)
361
362/// The kind of inlining to perform.
363ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
364
365// Vector functions library to use.
366ENUM_CODEGENOPT(VecLib, VectorLibrary, 3, NoLibrary)
367
368/// The default TLS model to use.
369ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
370
371/// Bit size of immediate TLS offsets (0 == use the default).
372VALUE_CODEGENOPT(TLSSize, 8, 0)
373
374/// The default stack protector guard offset to use.
375VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, INT_MAX)
376
377/// Number of path components to strip when emitting checks. (0 == full
378/// filename)
379VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
380
381/// Whether to report the hotness of the code region for optimization remarks.
382CODEGENOPT(DiagnosticsWithHotness, 1, 0)
383
384/// Whether to use direct access relocations (instead of GOT) to reference external data symbols.
385CODEGENOPT(DirectAccessExternalData, 1, 0)
386
387/// Whether we should use the undefined behaviour optimization for control flow
388/// paths that reach the end of a function without executing a required return.
389CODEGENOPT(StrictReturn, 1, 1)
390
391/// Whether emit extra debug info for sample pgo profile collection.
392CODEGENOPT(DebugInfoForProfiling, 1, 0)
393
394/// Whether emit pseudo probes for sample pgo profile collection.
395CODEGENOPT(PseudoProbeForProfiling, 1, 0)
396
397/// Whether 3-component vector type is preserved.
398CODEGENOPT(PreserveVec3Type, 1, 0)
399
400/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
401CODEGENOPT(DebugNameTable, 2, 0)
402
403/// Whether to use DWARF base address specifiers in .debug_ranges.
404CODEGENOPT(DebugRangesBaseAddress, 1, 0)
405
406CODEGENOPT(NoPLT, 1, 0)
407
408/// Whether to embed source in DWARF debug line section.
409CODEGENOPT(EmbedSource, 1, 0)
410
411/// Whether to emit all vtables
412CODEGENOPT(ForceEmitVTables, 1, 0)
413
414/// Whether to emit an address-significance table into the object file.
415CODEGENOPT(Addrsig, 1, 0)
416
417/// Whether to emit unused static constants.
418CODEGENOPT(KeepStaticConsts, 1, 0)
419
420/// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield
421CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0)
422
423/// Assume that by-value parameters do not alias any other values.
424CODEGENOPT(PassByValueIsNoAlias, 1, 0)
425
426/// Whether to not follow the AAPCS that enforces volatile bit-field access width to be
427/// according to the field declaring type width.
428CODEGENOPT(AAPCSBitfieldWidth, 1, 1)
429
430/// Sets the IEEE bit in the expected default floating point mode register.
431/// Floating point opcodes that support exception flag gathering quiet and
432/// propagate signaling NaN inputs per IEEE 754-2008 (AMDGPU Only)
433CODEGENOPT(EmitIEEENaNCompliantInsts, 1, 1)
434
435#undef CODEGENOPT
436#undef ENUM_CODEGENOPT
437#undef VALUE_CODEGENOPT
438