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, 1) ///< -Wa,-mrelax-relocations={yes,no}
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(AssumeUniqueVTables , 1, 1) ///< Assume a class has only one vtable.
40CODEGENOPT(Autolink          , 1, 1) ///< -fno-autolink
41CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe.
42CODEGENOPT(Backchain         , 1, 0) ///< -mbackchain
43CODEGENOPT(ControlFlowGuardNoChecks  , 1, 0) ///< -cfguard-no-checks
44CODEGENOPT(ControlFlowGuard  , 1, 0) ///< -cfguard
45CODEGENOPT(EHContGuard       , 1, 0) ///< -ehcontguard
46CODEGENOPT(CXAAtExit         , 1, 1) ///< Use __cxa_atexit for calling destructors.
47CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1) ///< Use atexit or __cxa_atexit to register global destructors.
48CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker
49                                     ///< aliases to base ctors when possible.
50CODEGENOPT(DataSections      , 1, 0) ///< Set when -fdata-sections is enabled.
51CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names.
52CODEGENOPT(UniqueBasicBlockSectionNames, 1, 1) ///< Set for -funique-basic-block-section-names,
53                                               ///< Produce unique section names with
54                                               ///< basic block sections.
55CODEGENOPT(EnableAIXExtendedAltivecABI, 1, 0) ///< Set for -mabi=vec-extabi. Enables the extended Altivec ABI on AIX.
56CODEGENOPT(XCOFFReadOnlyPointers, 1, 0) ///< Set for -mxcoff-roptr.
57ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none
58
59CODEGENOPT(ClearASTBeforeBackend , 1, 0) ///< Free the AST before running backend code generation. Only works with -disable-free.
60CODEGENOPT(DisableFree       , 1, 0) ///< Don't free memory.
61CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
62CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
63                                     ///< the pristine IR generated by the
64                                     ///< frontend.
65CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
66CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
67CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental
68                                                  ///< strict floating point.
69CODEGENOPT(EnableNoundefAttrs, 1, 0) ///< Enable emitting `noundef` attributes on IR call arguments and return values
70CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
71                                   ///< pass manager.
72CODEGENOPT(DisableRedZone    , 1, 0) ///< Set when -mno-red-zone is enabled.
73CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of
74                                   ///< '-g' + 'O>0' level.
75CODEGENOPT(EnableDIPreservationVerify, 1, 0) ///< Enable di preservation verify
76                                             ///< each (it means check
77                                             ///< the original debug info
78                                             ///< metadata preservation).
79CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs
80                                     ///< is specified.
81CODEGENOPT(DisableTailCalls  , 1, 0) ///< Do not emit tail calls.
82CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from
83                                           ///< escaping blocks.
84CODEGENOPT(EmitDeclMetadata  , 1, 0) ///< Emit special metadata indicating what
85                                     ///< Decl* various IR entities came from.
86                                     ///< Only useful when running CodeGen as a
87                                     ///< subroutine.
88CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata.
89CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
90CODEGENOPT(EmulatedTLS       , 1, 0) ///< Set by default or -f[no-]emulated-tls.
91/// Embed Bitcode mode (off/all/bitcode/marker).
92ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
93/// Inline asm dialect, -masm=(att|intel)
94ENUM_CODEGENOPT(InlineAsmDialect, InlineAsmDialectKind, 1, IAD_ATT)
95CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
96                                        ///< are required.
97CODEGENOPT(FunctionSections  , 1, 0) ///< Set when -ffunction-sections is enabled.
98CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
99                                       ///< enabled.
100CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
101                          ///< -finstrument-functions-after-inlining is enabled.
102CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
103                               ///< -finstrument-function-entry-bare is enabled.
104CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
105                                      ///< set to full or return.
106CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
107                                      ///< set to full or branch.
108CODEGENOPT(FunctionReturnThunks, 1, 0) ///< -mfunction-return={keep|thunk-extern}
109CODEGENOPT(IndirectBranchCSPrefix, 1, 0) ///< if -mindirect-branch-cs-prefix
110                                         ///< is set.
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-compact-unwind-non-canonical is enabled.
119CODEGENOPT(EmitCompactUnwindNonCanonical, 1, 0)
120
121///< Set when -femit-dwarf-unwind is passed.
122ENUM_CODEGENOPT(EmitDwarfUnwind, llvm::EmitDwarfUnwindType, 2,
123                llvm::EmitDwarfUnwindType::Default)
124
125///< Set when -fxray-always-emit-customevents is enabled.
126CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
127
128///< Set when -fxray-always-emit-typedevents is enabled.
129CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
130
131///< Set when -fxray-ignore-loops is enabled.
132CODEGENOPT(XRayIgnoreLoops , 1, 0)
133
134///< Emit the XRay function index section.
135CODEGENOPT(XRayFunctionIndex , 1, 1)
136
137
138///< Set the minimum number of instructions in a function to determine selective
139///< XRay instrumentation.
140VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
141
142///< Only instrument 1 in N functions, by dividing functions into N total groups and
143///< instrumenting only the specified group at a time. Group numbers start at 0
144///< and end at N-1.
145VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1)
146VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0)
147
148VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry
149VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0)
150
151CODEGENOPT(HotPatch, 1, 0) ///< Supports the Microsoft /HOTPATCH flag and
152                           ///< generates a 'patchable-function' attribute.
153
154CODEGENOPT(JMCInstrument, 1, 0) ///< Set when -fjmc is enabled.
155CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
156CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
157CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled.
158CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled.
159CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled.
160CODEGENOPT(LessPreciseFPMAD  , 1, 0) ///< Enable less precise MAD instructions to
161                                     ///< be generated.
162CODEGENOPT(PrepareForLTO     , 1, 0) ///< Set when -flto is enabled on the
163                                     ///< compile step.
164CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
165                                     ///< compile step.
166CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
167                          ///< program vtable opt).
168CODEGENOPT(FatLTO, 1, 0) ///< Set when -ffat-lto-objects is enabled.
169CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support
170				     /// CFI and traditional whole program
171				     /// devirtualization that require whole
172				     /// program IR support.
173CODEGENOPT(UnifiedLTO, 1, 0) ///< Use the unified LTO pipeline.
174CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
175                                              ///< be used with an incremental
176                                              ///< linker.
177CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
178CODEGENOPT(MergeFunctions    , 1, 0) ///< Set when -fmerge-functions is enabled.
179CODEGENOPT(NoCommon          , 1, 0) ///< Set when -fno-common or C++ is enabled.
180CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
181                                       ///< enabled.
182CODEGENOPT(NoExecStack       , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
183CODEGENOPT(FatalWarnings     , 1, 0) ///< Set when -Wa,--fatal-warnings is
184                                     ///< enabled.
185CODEGENOPT(NoWarn            , 1, 0) ///< Set when -Wa,--no-warn is enabled.
186CODEGENOPT(NoTypeCheck       , 1, 0) ///< Set when -Wa,--no-type-check is enabled.
187CODEGENOPT(MisExpect         , 1, 0) ///< Set when -Wmisexpect is enabled
188CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
189CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
190                                     ///< inline line tables.
191CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled.
192CODEGENOPT(NoImplicitFloat   , 1, 0) ///< Set when -mno-implicit-float is enabled.
193CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
194CODEGENOPT(OpenCLCorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
195CODEGENOPT(HIPCorrectlyRoundedDivSqrt, 1, 1) ///< -fno-hip-fp32-correctly-rounded-divide-sqrt
196CODEGENOPT(HIPSaveKernelArgName, 1, 0) ///< Set when -fhip-kernel-arg-name is enabled.
197CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names.
198CODEGENOPT(SplitMachineFunctions, 1, 0) ///< Split machine functions using profile information.
199
200/// When false, this attempts to generate code as if the result of an
201/// overflowing conversion matches the overflowing behavior of a target's native
202/// float-to-int conversion instructions.
203CODEGENOPT(StrictFloatCastOverflow, 1, 1)
204
205CODEGENOPT(UniformWGSize     , 1, 0) ///< -cl-uniform-work-group-size
206CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
207/// Method of Objective-C dispatch to use.
208ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
209/// Replace certain message sends with calls to ObjC runtime entrypoints
210CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1)
211CODEGENOPT(ObjCAvoidHeapifyLocalBlocks, 1, 0)
212
213VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
214VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
215
216CODEGENOPT(AtomicProfileUpdate , 1, 0) ///< Set -fprofile-update=atomic
217/// Choose profile instrumenation kind or no instrumentation.
218ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
219/// Choose profile kind for PGO use compilation.
220ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
221/// Partition functions into N groups and select only functions in group i to be
222/// instrumented. Selected group numbers can be 0 to N-1 inclusive.
223VALUE_CODEGENOPT(ProfileTotalFunctionGroups, 32, 1)
224VALUE_CODEGENOPT(ProfileSelectedFunctionGroup, 32, 0)
225CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
226                                   ///< enable code coverage analysis.
227CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
228                                       ///< regions.
229
230  /// If -fpcc-struct-return or -freg-struct-return is specified.
231ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
232
233CODEGENOPT(RelaxAll          , 1, 0) ///< Relax all machine code instructions.
234CODEGENOPT(RelaxedAliasing   , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
235CODEGENOPT(StructPathTBAA    , 1, 0) ///< Whether or not to use struct-path TBAA.
236CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
237CODEGENOPT(SaveTempLabels    , 1, 0) ///< Save temporary labels.
238CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
239                                                ///< in AddressSanitizer
240ENUM_CODEGENOPT(SanitizeAddressUseAfterReturn,
241                llvm::AsanDetectStackUseAfterReturnMode, 2,
242                llvm::AsanDetectStackUseAfterReturnMode::Runtime
243                ) ///< Set detection mode for stack-use-after-return.
244CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1,
245           0) ///< Enable poisoning operator new[] which is not a replaceable
246              ///< global allocation function in AddressSanitizer
247CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
248                                                      ///< of globals in AddressSanitizer
249CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals
250CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
251                                             ///< MemorySanitizer
252ENUM_CODEGENOPT(SanitizeAddressDtor, llvm::AsanDtorKind, 2,
253                llvm::AsanDtorKind::Global)  ///< Set how ASan global
254                                             ///< destructors are emitted.
255CODEGENOPT(SanitizeMemoryParamRetval, 1, 0) ///< Enable detection of uninitialized
256                                            ///< parameters and return values
257                                            ///< in MemorySanitizer
258CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
259                                             ///< in MemorySanitizer
260CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
261CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
262                                         ///< diagnostics.
263CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
264                                                     ///< CFI icall function signatures
265CODEGENOPT(SanitizeCfiICallNormalizeIntegers, 1, 0) ///< Normalize integer types in
266                                                    ///< CFI icall function signatures
267CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical
268                                                 ///< instead of creating a local jump table.
269CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
270                                       ///< instrumentation.
271CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
272                                                ///< for indirect calls.
273CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
274                                          ///< in sanitizer coverage.
275CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
276                                           ///< in sanitizer coverage.
277CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
278                                           ///< in sanitizer coverage.
279CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
280                                           ///< in sanitizer coverage.
281CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
282                                               ///< in sanitizer coverage.
283CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
284                                          ///< in sanitizer coverage.
285CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
286                                               ///< in sanitizer coverage.
287CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
288CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag.
289CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
290CODEGENOPT(SanitizeCoverageControlFlow, 1, 0) ///< Collect control flow
291CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
292CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
293CODEGENOPT(SanitizeCoverageTraceLoads, 1, 0) ///< Enable tracing of loads.
294CODEGENOPT(SanitizeCoverageTraceStores, 1, 0) ///< Enable tracing of stores.
295CODEGENOPT(SanitizeBinaryMetadataCovered, 1, 0) ///< Emit PCs for covered functions.
296CODEGENOPT(SanitizeBinaryMetadataAtomics, 1, 0) ///< Emit PCs for atomic operations.
297CODEGENOPT(SanitizeBinaryMetadataUAR, 1, 0) ///< Emit PCs for start of functions
298                                            ///< that are subject for use-after-return checking.
299CODEGENOPT(SanitizeStats     , 1, 0) ///< Collect statistics for sanitizers.
300CODEGENOPT(SimplifyLibCalls  , 1, 1) ///< Set when -fbuiltin is enabled.
301CODEGENOPT(SoftFloat         , 1, 0) ///< -soft-float.
302CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening.
303CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
304CODEGENOPT(StrictEnums       , 1, 0) ///< Optimize based on strict enum definition.
305CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
306CODEGENOPT(TimePasses        , 1, 0) ///< Set when -ftime-report or -ftime-report= is enabled.
307CODEGENOPT(TimePassesPerRun  , 1, 0) ///< Set when -ftime-report=per-pass-run is enabled.
308CODEGENOPT(TimeTrace         , 1, 0) ///< Set when -ftime-trace is enabled.
309VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
310                                               ///< traced by time profiler
311CODEGENOPT(UnrollLoops       , 1, 0) ///< Control whether loops are unrolled.
312CODEGENOPT(RerollLoops       , 1, 0) ///< Control whether loops are rerolled.
313CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
314VALUE_CODEGENOPT(UnwindTables, 2, 0) ///< Unwind tables (1) or asynchronous unwind tables (2)
315CODEGENOPT(VectorizeLoop     , 1, 0) ///< Run loop vectorizer.
316CODEGENOPT(VectorizeSLP      , 1, 0) ///< Run SLP vectorizer.
317CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
318
319/// Treat loops as finite: language, always, never.
320ENUM_CODEGENOPT(FiniteLoops, FiniteLoopsKind, 2, FiniteLoopsKind::Language)
321
322  /// Attempt to use register sized accesses to bit-fields in structures, when
323  /// possible.
324CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
325
326CODEGENOPT(VerifyModule      , 1, 1) ///< Control whether the module should be run
327                                     ///< through the LLVM Verifier.
328CODEGENOPT(VerifyEach        , 1, 1) ///< Control whether the LLVM verifier
329                                     ///< should run after every pass.
330
331CODEGENOPT(StackRealignment  , 1, 0) ///< Control whether to force stack
332                                     ///< realignment.
333CODEGENOPT(UseInitArray      , 1, 0) ///< Control whether to use .init_array or
334                                     ///< .ctors.
335VALUE_CODEGENOPT(LoopAlignment     , 32, 0) ///< Overrides default loop
336                                            ///< alignment, if not 0.
337VALUE_CODEGENOPT(StackAlignment    , 32, 0) ///< Overrides default stack
338                                            ///< alignment, if not 0.
339VALUE_CODEGENOPT(StackProbeSize    , 32, 4096) ///< Overrides default stack
340                                               ///< probe size, even if 0.
341VALUE_CODEGENOPT(WarnStackSize     , 32, UINT_MAX) ///< Set via -fwarn-stack-size.
342CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
343CODEGENOPT(DebugStrictDwarf, 1, 1) ///< Whether or not to use strict DWARF info.
344
345/// Control the Assignment Tracking debug info feature.
346ENUM_CODEGENOPT(AssignmentTrackingMode, AssignmentTrackingOpts, 2, AssignmentTrackingOpts::Disabled)
347
348CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
349                                  ///< in debug info.
350
351CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
352                                   ///< external references to a PCH or module.
353
354CODEGENOPT(DebugExplicitImport, 1, 0)  ///< Whether or not debug info should
355                                       ///< contain explicit imports for
356                                       ///< anonymous namespaces
357
358/// Set debug info source file hashing algorithm.
359ENUM_CODEGENOPT(DebugSrcHash, DebugSrcHashKind, 2, DSH_MD5)
360
361CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the
362                                     ///< skeleton CU to allow for symbolication
363                                     ///< of inline stack frames without .dwo files.
364CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
365                                         ///< template parameter descriptions in
366                                         ///< forward declarations (versus just
367                                         ///< including them in the name).
368ENUM_CODEGENOPT(DebugSimpleTemplateNames, llvm::codegenoptions::DebugTemplateNamesKind, 2, llvm::codegenoptions::DebugTemplateNamesKind::Full) ///< Whether to emit template parameters
369                                           ///< in the textual names of template
370					   ///< specializations.
371					   ///< Implies DebugFwdTemplateNames to
372					   ///< allow decorated names to be
373					   ///< reconstructed when needed.
374CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
375
376CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
377                                      ///  vtable optimization.
378
379CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead
380                                             /// virtual function elimination
381                                             /// optimization.
382
383/// Whether to use public LTO visibility for entities in std and stdext
384/// namespaces. This is enabled by clang-cl's /MT and /MTd flags.
385CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
386
387/// The user specified number of registers to be used for integral arguments,
388/// or 0 if unspecified.
389VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
390
391/// The threshold to put data into small data section.
392VALUE_CODEGENOPT(SmallDataLimit, 32, 0)
393
394/// The lower bound for a buffer to be considered for stack protection.
395VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
396
397/// The kind of generated debug info.
398ENUM_CODEGENOPT(DebugInfo, llvm::codegenoptions::DebugInfoKind, 4, llvm::codegenoptions::NoDebugInfo)
399
400/// Whether to generate macro debug info.
401CODEGENOPT(MacroDebugInfo, 1, 0)
402
403/// Tune the debug info for this debugger.
404ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 3,
405                llvm::DebuggerKind::Default)
406
407/// Dwarf version. Version zero indicates to LLVM that no DWARF should be
408/// emitted.
409VALUE_CODEGENOPT(DwarfVersion, 3, 0)
410
411/// Whether we should emit CodeView debug information. It's possible to emit
412/// CodeView and DWARF into the same object.
413CODEGENOPT(EmitCodeView, 1, 0)
414
415/// Whether to emit the .debug$H section containing hashes of CodeView types.
416CODEGENOPT(CodeViewGHash, 1, 0)
417
418/// Whether to emit the compiler path and command line into the CodeView debug information.
419CODEGENOPT(CodeViewCommandLine, 1, 0)
420
421/// The kind of inlining to perform.
422ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
423
424/// The maximum stack size a function can have to be considered for inlining.
425VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX)
426
427// Vector functions library to use.
428ENUM_CODEGENOPT(VecLib, VectorLibrary, 3, NoLibrary)
429
430/// The default TLS model to use.
431ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
432
433/// Bit size of immediate TLS offsets (0 == use the default).
434VALUE_CODEGENOPT(TLSSize, 8, 0)
435
436/// The default stack protector guard offset to use.
437VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, INT_MAX)
438
439/// Number of path components to strip when emitting checks. (0 == full
440/// filename)
441VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
442
443/// Whether to report the hotness of the code region for optimization remarks.
444CODEGENOPT(DiagnosticsWithHotness, 1, 0)
445
446/// Whether to use direct access relocations (instead of GOT) to reference external data symbols.
447CODEGENOPT(DirectAccessExternalData, 1, 0)
448
449/// Whether we should use the undefined behaviour optimization for control flow
450/// paths that reach the end of a function without executing a required return.
451CODEGENOPT(StrictReturn, 1, 1)
452
453/// Whether emit extra debug info for sample pgo profile collection.
454CODEGENOPT(DebugInfoForProfiling, 1, 0)
455
456/// Whether emit pseudo probes for sample pgo profile collection.
457CODEGENOPT(PseudoProbeForProfiling, 1, 0)
458
459/// Whether 3-component vector type is preserved.
460CODEGENOPT(PreserveVec3Type, 1, 0)
461
462/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
463CODEGENOPT(DebugNameTable, 2, 0)
464
465/// Whether to use DWARF base address specifiers in .debug_ranges.
466CODEGENOPT(DebugRangesBaseAddress, 1, 0)
467
468CODEGENOPT(NoPLT, 1, 0)
469
470/// Whether to embed source in DWARF debug line section.
471CODEGENOPT(EmbedSource, 1, 0)
472
473/// Whether to emit all vtables
474CODEGENOPT(ForceEmitVTables, 1, 0)
475
476/// Whether to emit an address-significance table into the object file.
477CODEGENOPT(Addrsig, 1, 0)
478
479/// Whether to emit unused static constants.
480CODEGENOPT(KeepStaticConsts, 1, 0)
481
482/// Whether to emit all variables that have a persistent storage duration,
483/// including global, static and thread local variables.
484CODEGENOPT(KeepPersistentStorageVariables, 1, 0)
485
486/// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield
487CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0)
488
489/// Assume that by-value parameters do not alias any other values.
490CODEGENOPT(PassByValueIsNoAlias, 1, 0)
491
492/// Whether to not follow the AAPCS that enforces volatile bit-field access width to be
493/// according to the field declaring type width.
494CODEGENOPT(AAPCSBitfieldWidth, 1, 1)
495
496/// Sets the IEEE bit in the expected default floating point mode register.
497/// Floating point opcodes that support exception flag gathering quiet and
498/// propagate signaling NaN inputs per IEEE 754-2008 (AMDGPU Only)
499CODEGENOPT(EmitIEEENaNCompliantInsts, 1, 1)
500
501// Whether to emit Swift Async function extended frame information: auto,
502// never, always.
503ENUM_CODEGENOPT(SwiftAsyncFramePointer, SwiftAsyncFramePointerKind, 2,
504                SwiftAsyncFramePointerKind::Always)
505
506/// Whether to skip RAX setup when passing variable arguments (x86 only).
507CODEGENOPT(SkipRaxSetup, 1, 0)
508
509/// Whether to zero out caller-used registers before returning.
510ENUM_CODEGENOPT(ZeroCallUsedRegs, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind,
511                5, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind::Skip)
512
513/// Modify C++ ABI to returning `this` pointer from constructors and
514/// non-deleting destructors. (No effect on Microsoft ABI.)
515CODEGENOPT(CtorDtorReturnThis, 1, 0)
516
517#undef CODEGENOPT
518#undef ENUM_CODEGENOPT
519#undef VALUE_CODEGENOPT
520