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(ClearASTBeforeBackend , 1, 0) ///< Free the AST before running backend code generation. Only works with -disable-free.
58CODEGENOPT(DisableFree       , 1, 0) ///< Don't free memory.
59CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
60CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
61                                     ///< the pristine IR generated by the
62                                     ///< frontend.
63CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
64CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
65CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental
66                                                  ///< strict floating point.
67CODEGENOPT(EnableNoundefAttrs, 1, 0) ///< Enable emitting `noundef` attributes on IR call arguments and return values
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)
94/// Inline asm dialect, -masm=(att|intel)
95ENUM_CODEGENOPT(InlineAsmDialect, InlineAsmDialectKind, 1, IAD_ATT)
96CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
97                                        ///< are required.
98CODEGENOPT(FunctionSections  , 1, 0) ///< Set when -ffunction-sections is enabled.
99CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
100                                       ///< enabled.
101CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
102                          ///< -finstrument-functions-after-inlining is enabled.
103CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
104                               ///< -finstrument-function-entry-bare is enabled.
105CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
106                                      ///< set to full or return.
107CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
108                                      ///< set to full or branch.
109CODEGENOPT(IBTSeal, 1, 0)             ///< set to optimize CFProtectionBranch.
110CODEGENOPT(FunctionReturnThunks, 1, 0) ///< -mfunction-return={keep|thunk-extern}
111
112CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is
113                                           ///< enabled.
114CODEGENOPT(StackSizeSection  , 1, 0) ///< Set when -fstack-size-section is enabled.
115CODEGENOPT(ForceDwarfFrameSection , 1, 0) ///< Set when -fforce-dwarf-frame is
116                                          ///< enabled.
117
118///< Set when -femit-dwarf-unwind is passed.
119ENUM_CODEGENOPT(EmitDwarfUnwind, llvm::EmitDwarfUnwindType, 2,
120                llvm::EmitDwarfUnwindType::Default)
121
122///< Set when -fxray-always-emit-customevents is enabled.
123CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
124
125///< Set when -fxray-always-emit-typedevents is enabled.
126CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
127
128///< Set when -fxray-ignore-loops is enabled.
129CODEGENOPT(XRayIgnoreLoops , 1, 0)
130
131///< Set with -fno-xray-function-index to omit the index section.
132CODEGENOPT(XRayOmitFunctionIndex , 1, 0)
133
134
135///< Set the minimum number of instructions in a function to determine selective
136///< XRay instrumentation.
137VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
138
139///< Only instrument 1 in N functions, by dividing functions into N total groups and
140///< instrumenting only the specified group at a time. Group numbers start at 0
141///< and end at N-1.
142VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1)
143VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0)
144
145VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry
146VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0)
147
148CODEGENOPT(HotPatch, 1, 0) ///< Supports the Microsoft /HOTPATCH flag and
149                           ///< generates a 'patchable-function' attribute.
150
151CODEGENOPT(JMCInstrument, 1, 0) ///< Set when -fjmc is enabled.
152CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
153CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
154CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled.
155CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled.
156CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled.
157CODEGENOPT(LessPreciseFPMAD  , 1, 0) ///< Enable less precise MAD instructions to
158                                     ///< be generated.
159CODEGENOPT(PrepareForLTO     , 1, 0) ///< Set when -flto is enabled on the
160                                     ///< compile step.
161CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
162                                     ///< compile step.
163CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
164                          ///< program vtable opt).
165CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support
166				     /// CFI and traditional whole program
167				     /// devirtualization that require whole
168				     /// program IR support.
169CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
170                                              ///< be used with an incremental
171                                              ///< linker.
172CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
173CODEGENOPT(MergeFunctions    , 1, 0) ///< Set when -fmerge-functions is enabled.
174CODEGENOPT(MSVolatile        , 1, 0) ///< Set when /volatile:ms is enabled.
175CODEGENOPT(NoCommon          , 1, 0) ///< Set when -fno-common or C++ is enabled.
176CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
177                                       ///< enabled.
178CODEGENOPT(NoExecStack       , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
179CODEGENOPT(FatalWarnings     , 1, 0) ///< Set when -Wa,--fatal-warnings is
180                                     ///< enabled.
181CODEGENOPT(NoWarn            , 1, 0) ///< Set when -Wa,--no-warn is enabled.
182CODEGENOPT(MisExpect         , 1, 0) ///< Set when -Wmisexpect is enabled
183CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
184CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
185                                     ///< inline line tables.
186CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled.
187CODEGENOPT(NoImplicitFloat   , 1, 0) ///< Set when -mno-implicit-float is enabled.
188CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
189CODEGENOPT(OpenCLCorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
190CODEGENOPT(HIPCorrectlyRoundedDivSqrt, 1, 1) ///< -fno-hip-fp32-correctly-rounded-divide-sqrt
191CODEGENOPT(HIPSaveKernelArgName, 1, 0) ///< Set when -fhip-kernel-arg-name is enabled.
192CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names.
193CODEGENOPT(SplitMachineFunctions, 1, 0) ///< Split machine functions using profile information.
194
195/// When false, this attempts to generate code as if the result of an
196/// overflowing conversion matches the overflowing behavior of a target's native
197/// float-to-int conversion instructions.
198CODEGENOPT(StrictFloatCastOverflow, 1, 1)
199
200CODEGENOPT(UniformWGSize     , 1, 0) ///< -cl-uniform-work-group-size
201CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
202/// Method of Objective-C dispatch to use.
203ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
204/// Replace certain message sends with calls to ObjC runtime entrypoints
205CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1)
206CODEGENOPT(ObjCAvoidHeapifyLocalBlocks, 1, 0)
207
208VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
209VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
210
211CODEGENOPT(AtomicProfileUpdate , 1, 0) ///< Set -fprofile-update=atomic
212/// Choose profile instrumenation kind or no instrumentation.
213ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
214/// Choose profile kind for PGO use compilation.
215ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
216CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
217                                   ///< enable code coverage analysis.
218CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
219                                       ///< regions.
220
221  /// If -fpcc-struct-return or -freg-struct-return is specified.
222ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
223
224CODEGENOPT(RelaxAll          , 1, 0) ///< Relax all machine code instructions.
225CODEGENOPT(RelaxedAliasing   , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
226CODEGENOPT(StructPathTBAA    , 1, 0) ///< Whether or not to use struct-path TBAA.
227CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
228CODEGENOPT(SaveTempLabels    , 1, 0) ///< Save temporary labels.
229CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
230                                                ///< in AddressSanitizer
231ENUM_CODEGENOPT(SanitizeAddressUseAfterReturn,
232                llvm::AsanDetectStackUseAfterReturnMode, 2,
233                llvm::AsanDetectStackUseAfterReturnMode::Runtime
234                ) ///< Set detection mode for stack-use-after-return.
235CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1,
236           0) ///< Enable poisoning operator new[] which is not a replaceable
237              ///< global allocation function in AddressSanitizer
238CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
239                                                      ///< of globals in AddressSanitizer
240CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals
241CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
242                                             ///< MemorySanitizer
243ENUM_CODEGENOPT(SanitizeAddressDtor, llvm::AsanDtorKind, 2,
244                llvm::AsanDtorKind::Global)  ///< Set how ASan global
245                                             ///< destructors are emitted.
246CODEGENOPT(SanitizeMemoryParamRetval, 1, 0) ///< Enable detection of uninitialized
247                                            ///< parameters and return values
248                                            ///< in MemorySanitizer
249CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
250                                             ///< in MemorySanitizer
251CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
252CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
253                                         ///< diagnostics.
254CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
255                                                     ///< CFI icall function signatures
256CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical
257                                                 ///< instead of creating a local jump table.
258CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
259                                       ///< instrumentation.
260CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
261                                                ///< for indirect calls.
262CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
263                                          ///< in sanitizer coverage.
264CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
265                                           ///< in sanitizer coverage.
266CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
267                                           ///< in sanitizer coverage.
268CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
269                                           ///< in sanitizer coverage.
270CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
271                                               ///< in sanitizer coverage.
272CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
273                                          ///< in sanitizer coverage.
274CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
275                                               ///< in sanitizer coverage.
276CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
277CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag.
278CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
279CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
280CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
281CODEGENOPT(SanitizeCoverageTraceLoads, 1, 0) ///< Enable tracing of loads.
282CODEGENOPT(SanitizeCoverageTraceStores, 1, 0) ///< Enable tracing of stores.
283CODEGENOPT(SanitizeStats     , 1, 0) ///< Collect statistics for sanitizers.
284CODEGENOPT(SimplifyLibCalls  , 1, 1) ///< Set when -fbuiltin is enabled.
285CODEGENOPT(SoftFloat         , 1, 0) ///< -soft-float.
286CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening.
287CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
288CODEGENOPT(StrictEnums       , 1, 0) ///< Optimize based on strict enum definition.
289CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
290CODEGENOPT(TimePasses        , 1, 0) ///< Set when -ftime-report or -ftime-report= is enabled.
291CODEGENOPT(TimePassesPerRun  , 1, 0) ///< Set when -ftime-report=per-pass-run is enabled.
292CODEGENOPT(TimeTrace         , 1, 0) ///< Set when -ftime-trace is enabled.
293VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
294                                               ///< traced by time profiler
295CODEGENOPT(UnrollLoops       , 1, 0) ///< Control whether loops are unrolled.
296CODEGENOPT(RerollLoops       , 1, 0) ///< Control whether loops are rerolled.
297CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
298VALUE_CODEGENOPT(UnwindTables, 2, 0) ///< Unwind tables (1) or asynchronous unwind tables (2)
299CODEGENOPT(VectorizeLoop     , 1, 0) ///< Run loop vectorizer.
300CODEGENOPT(VectorizeSLP      , 1, 0) ///< Run SLP vectorizer.
301CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
302
303/// Treat loops as finite: language, always, never.
304ENUM_CODEGENOPT(FiniteLoops, FiniteLoopsKind, 2, FiniteLoopsKind::Language)
305
306  /// Attempt to use register sized accesses to bit-fields in structures, when
307  /// possible.
308CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
309
310CODEGENOPT(VerifyModule      , 1, 1) ///< Control whether the module should be run
311                                     ///< through the LLVM Verifier.
312
313CODEGENOPT(StackRealignment  , 1, 0) ///< Control whether to force stack
314                                     ///< realignment.
315CODEGENOPT(UseInitArray      , 1, 0) ///< Control whether to use .init_array or
316                                     ///< .ctors.
317VALUE_CODEGENOPT(LoopAlignment     , 32, 0) ///< Overrides default loop
318                                            ///< alignment, if not 0.
319VALUE_CODEGENOPT(StackAlignment    , 32, 0) ///< Overrides default stack
320                                            ///< alignment, if not 0.
321VALUE_CODEGENOPT(StackProbeSize    , 32, 4096) ///< Overrides default stack
322                                               ///< probe size, even if 0.
323VALUE_CODEGENOPT(WarnStackSize     , 32, UINT_MAX) ///< Set via -fwarn-stack-size.
324CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
325CODEGENOPT(DebugStrictDwarf, 1, 1) ///< Whether or not to use strict DWARF info.
326CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
327                                  ///< in debug info.
328
329CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
330                                   ///< external references to a PCH or module.
331
332CODEGENOPT(DebugExplicitImport, 1, 0)  ///< Whether or not debug info should
333                                       ///< contain explicit imports for
334                                       ///< anonymous namespaces
335
336CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the
337                                     ///< skeleton CU to allow for symbolication
338                                     ///< of inline stack frames without .dwo files.
339CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
340                                         ///< template parameter descriptions in
341                                         ///< forward declarations (versus just
342                                         ///< including them in the name).
343ENUM_CODEGENOPT(DebugSimpleTemplateNames, codegenoptions::DebugTemplateNamesKind, 2, codegenoptions::DebugTemplateNamesKind::Full) ///< Whether to emit template parameters
344                                           ///< in the textual names of template
345					   ///< specializations.
346					   ///< Implies DebugFwdTemplateNames to
347					   ///< allow decorated names to be
348					   ///< reconstructed when needed.
349CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
350
351CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
352                                      ///  vtable optimization.
353
354CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead
355                                             /// virtual function elimination
356                                             /// optimization.
357
358/// Whether to use public LTO visibility for entities in std and stdext
359/// namespaces. This is enabled by clang-cl's /MT and /MTd flags.
360CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
361
362/// The user specified number of registers to be used for integral arguments,
363/// or 0 if unspecified.
364VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
365
366/// The threshold to put data into small data section.
367VALUE_CODEGENOPT(SmallDataLimit, 32, 0)
368
369/// The lower bound for a buffer to be considered for stack protection.
370VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
371
372/// The kind of generated debug info.
373ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 4, codegenoptions::NoDebugInfo)
374
375/// Whether to generate macro debug info.
376CODEGENOPT(MacroDebugInfo, 1, 0)
377
378/// Tune the debug info for this debugger.
379ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 3,
380                llvm::DebuggerKind::Default)
381
382/// Dwarf version. Version zero indicates to LLVM that no DWARF should be
383/// emitted.
384VALUE_CODEGENOPT(DwarfVersion, 3, 0)
385
386/// Whether we should emit CodeView debug information. It's possible to emit
387/// CodeView and DWARF into the same object.
388CODEGENOPT(EmitCodeView, 1, 0)
389
390/// Whether to emit the .debug$H section containing hashes of CodeView types.
391CODEGENOPT(CodeViewGHash, 1, 0)
392
393/// The kind of inlining to perform.
394ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
395
396// Vector functions library to use.
397ENUM_CODEGENOPT(VecLib, VectorLibrary, 3, NoLibrary)
398
399/// The default TLS model to use.
400ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
401
402/// Bit size of immediate TLS offsets (0 == use the default).
403VALUE_CODEGENOPT(TLSSize, 8, 0)
404
405/// The default stack protector guard offset to use.
406VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, INT_MAX)
407
408/// Number of path components to strip when emitting checks. (0 == full
409/// filename)
410VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
411
412/// Whether to report the hotness of the code region for optimization remarks.
413CODEGENOPT(DiagnosticsWithHotness, 1, 0)
414
415/// Whether to use direct access relocations (instead of GOT) to reference external data symbols.
416CODEGENOPT(DirectAccessExternalData, 1, 0)
417
418/// Whether we should use the undefined behaviour optimization for control flow
419/// paths that reach the end of a function without executing a required return.
420CODEGENOPT(StrictReturn, 1, 1)
421
422/// Whether emit extra debug info for sample pgo profile collection.
423CODEGENOPT(DebugInfoForProfiling, 1, 0)
424
425/// Whether emit pseudo probes for sample pgo profile collection.
426CODEGENOPT(PseudoProbeForProfiling, 1, 0)
427
428/// Whether 3-component vector type is preserved.
429CODEGENOPT(PreserveVec3Type, 1, 0)
430
431/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
432CODEGENOPT(DebugNameTable, 2, 0)
433
434/// Whether to use DWARF base address specifiers in .debug_ranges.
435CODEGENOPT(DebugRangesBaseAddress, 1, 0)
436
437CODEGENOPT(NoPLT, 1, 0)
438
439/// Whether to embed source in DWARF debug line section.
440CODEGENOPT(EmbedSource, 1, 0)
441
442/// Whether to emit all vtables
443CODEGENOPT(ForceEmitVTables, 1, 0)
444
445/// Whether to emit an address-significance table into the object file.
446CODEGENOPT(Addrsig, 1, 0)
447
448/// Whether to emit unused static constants.
449CODEGENOPT(KeepStaticConsts, 1, 0)
450
451/// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield
452CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0)
453
454/// Assume that by-value parameters do not alias any other values.
455CODEGENOPT(PassByValueIsNoAlias, 1, 0)
456
457/// Whether to not follow the AAPCS that enforces volatile bit-field access width to be
458/// according to the field declaring type width.
459CODEGENOPT(AAPCSBitfieldWidth, 1, 1)
460
461/// Sets the IEEE bit in the expected default floating point mode register.
462/// Floating point opcodes that support exception flag gathering quiet and
463/// propagate signaling NaN inputs per IEEE 754-2008 (AMDGPU Only)
464CODEGENOPT(EmitIEEENaNCompliantInsts, 1, 1)
465
466// Whether to emit Swift Async function extended frame information: auto,
467// never, always.
468ENUM_CODEGENOPT(SwiftAsyncFramePointer, SwiftAsyncFramePointerKind, 2,
469                SwiftAsyncFramePointerKind::Always)
470
471/// Whether to skip RAX setup when passing variable arguments (x86 only).
472CODEGENOPT(SkipRaxSetup, 1, 0)
473
474/// Whether to zero out caller-used registers before returning.
475ENUM_CODEGENOPT(ZeroCallUsedRegs, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind,
476                5, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind::Skip)
477
478/// Whether to use opaque pointers.
479CODEGENOPT(OpaquePointers, 1, 0)
480
481#undef CODEGENOPT
482#undef ENUM_CODEGENOPT
483#undef VALUE_CODEGENOPT
484