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 codegen options 18#endif 19 20#ifndef VALUE_CODEGENOPT 21# define VALUE_CODEGENOPT(Name, Bits, Default, Compatibility) \ 22CODEGENOPT(Name, Bits, Default, Compatibility) 23#endif 24 25#ifndef ENUM_CODEGENOPT 26# define ENUM_CODEGENOPT(Name, Type, Bits, Default, Compatibility) \ 27CODEGENOPT(Name, Bits, Default, Compatibility) 28#endif 29 30CODEGENOPT(DisableIntegratedAS, 1, 0, Benign) ///< -no-integrated-as 31CODEGENOPT(Crel, 1, 0, Benign) ///< -Wa,--crel 32CODEGENOPT(ImplicitMapSyms, 1, 0, Benign) ///< -Wa,-mmapsyms=implicit 33CODEGENOPT(AsmVerbose , 1, 0, Benign) ///< -dA, -fverbose-asm. 34CODEGENOPT(PreserveAsmComments, 1, 1, Benign) ///< -dA, -fno-preserve-as-comments. 35CODEGENOPT(AssumeSaneOperatorNew , 1, 1, Benign) ///< implicit __attribute__((malloc)) operator new 36CODEGENOPT(AssumeUniqueVTables , 1, 1, Benign) ///< Assume a class has only one vtable. 37CODEGENOPT(Autolink , 1, 1, Benign) ///< -fno-autolink 38CODEGENOPT(AutoImport , 1, 1, Benign) ///< -fno-auto-import 39CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0, Benign) ///< Whether ARC should be EH-safe. 40CODEGENOPT(Backchain , 1, 0, Benign) ///< -mbackchain 41CODEGENOPT(ControlFlowGuardNoChecks , 1, 0, Benign) ///< -cfguard-no-checks 42CODEGENOPT(ControlFlowGuard , 1, 0, Benign) ///< -cfguard 43CODEGENOPT(EHContGuard , 1, 0, Benign) ///< -ehcontguard 44CODEGENOPT(CXAAtExit , 1, 1, Benign) ///< Use __cxa_atexit for calling destructors. 45CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1, Benign) ///< Use atexit or __cxa_atexit to register global destructors. 46CODEGENOPT(CXXCtorDtorAliases, 1, 0, Benign) ///< Emit complete ctors/dtors as linker 47 ///< aliases to base ctors when possible. 48CODEGENOPT(DataSections , 1, 0, Benign) ///< Set when -fdata-sections is enabled. 49CODEGENOPT(UniqueSectionNames, 1, 1, Benign) ///< Set for -funique-section-names. 50CODEGENOPT(UniqueBasicBlockSectionNames, 1, 1, Benign) ///< Set for -funique-basic-block-section-names, 51 ///< Produce unique section names with 52 ///< basic block sections. 53CODEGENOPT(SeparateNamedSections, 1, 0, Benign) ///< Set for -fseparate-named-sections. 54CODEGENOPT(EnableAIXExtendedAltivecABI, 1, 0, Benign) ///< Set for -mabi=vec-extabi. Enables the extended Altivec ABI on AIX. 55CODEGENOPT(XCOFFReadOnlyPointers, 1, 0, Benign) ///< Set for -mxcoff-roptr. 56CODEGENOPT(AllTocData, 1, 0, Benign) ///< AIX -mtocdata 57ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None, Benign) /// frame-pointer: all,non-leaf,reserved,none 58 59CODEGENOPT(ClearASTBeforeBackend , 1, 0, Benign) ///< Free the AST before running backend code generation. Only works with -disable-free. 60CODEGENOPT(DisableFree , 1, 0, Benign) ///< Don't free memory. 61CODEGENOPT(DiscardValueNames , 1, 0, Benign) ///< Discard Value Names from the IR (LLVMContext flag) 62CODEGENOPT(DisableLLVMPasses , 1, 0, Benign) ///< Don't run any LLVM IR passes to get 63 ///< the pristine IR generated by the 64 ///< frontend. 65CODEGENOPT(DisableLifetimeMarkers, 1, 0, Benign) ///< Don't emit any lifetime markers 66CODEGENOPT(DisableO0ImplyOptNone , 1, 0, Benign) ///< Don't annonate function with optnone at O0 67CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0, Benign) ///< Enables the new, experimental 68 ///< strict floating point. 69CODEGENOPT(EnableNoundefAttrs, 1, 0, Benign) ///< Enable emitting `noundef` attributes on IR call arguments and return values 70CODEGENOPT(DebugPassManager, 1, 0, Benign) ///< Prints debug information for the new 71 ///< pass manager. 72CODEGENOPT(DisableRedZone , 1, 0, Benign) ///< Set when -mno-red-zone is enabled. 73CODEGENOPT(EmitCallSiteInfo, 1, 0, Benign) ///< Emit call site info only in the case of 74 ///< '-g' + 'O>0' level. 75CODEGENOPT(IndirectTlsSegRefs, 1, 0, Benign) ///< Set when -mno-tls-direct-seg-refs 76 ///< is specified. 77CODEGENOPT(DisableTailCalls , 1, 0, Benign) ///< Do not emit tail calls. 78CODEGENOPT(NoEscapingBlockTailCalls, 1, 0, Benign) ///< Do not emit tail calls from 79 ///< escaping blocks. 80CODEGENOPT(EmitDeclMetadata , 1, 0, Benign) ///< Emit special metadata indicating what 81 ///< Decl* various IR entities came from. 82 ///< Only useful when running CodeGen as a 83 ///< subroutine. 84CODEGENOPT(EmitVersionIdentMetadata , 1, 1, Benign) ///< Emit compiler version metadata. 85CODEGENOPT(EmitOpenCLArgMetadata , 1, 0, Benign) ///< Emit OpenCL kernel arg metadata. 86CODEGENOPT(EmulatedTLS , 1, 0, Benign) ///< Set by default or -f[no-]emulated-tls. 87/// Embed Bitcode mode (off/all/bitcode/marker). 88ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off, Benign) 89/// Inline asm dialect, -masm=(att|intel) 90ENUM_CODEGENOPT(InlineAsmDialect, InlineAsmDialectKind, 1, IAD_ATT, Benign) 91CODEGENOPT(OutputAsmVariant, 2, 3, Benign) ///< Set the asm variant for output (3: unspecified). 92CODEGENOPT(ForbidGuardVariables , 1, 0, Benign) ///< Issue errors if C++ guard variables 93 ///< are required. 94CODEGENOPT(FunctionSections , 1, 0, Benign) ///< Set when -ffunction-sections is enabled. 95CODEGENOPT(BBAddrMap , 1, 0, Benign) ///< Set when -fbasic-block-address-map is enabled. 96CODEGENOPT(InstrumentFunctions , 1, 0, Benign) ///< Set when -finstrument-functions is 97 ///< enabled. 98CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0, Benign) ///< Set when 99 ///< -finstrument-functions-after-inlining is enabled. 100CODEGENOPT(InstrumentFunctionEntryBare , 1, 0, Benign) ///< Set when 101 ///< -finstrument-function-entry-bare is enabled. 102CODEGENOPT(CFProtectionReturn , 1, 0, Benign) ///< if -fcf-protection is 103 ///< set to full or return. 104CODEGENOPT(CFProtectionBranch , 1, 0, Benign) ///< if -fcf-protection is 105 ///< set to full or branch. 106ENUM_CODEGENOPT(CFBranchLabelScheme, CFBranchLabelSchemeKind, 2, 107 CFBranchLabelSchemeKind::Default, Benign) ///< if -mcf-branch-label-scheme is set. 108CODEGENOPT(FunctionReturnThunks, 1, 0, Benign) ///< -mfunction-return={keep|thunk-extern} 109CODEGENOPT(IndirectBranchCSPrefix, 1, 0, Benign) ///< if -mindirect-branch-cs-prefix 110 ///< is set. 111 112CODEGENOPT(XRayInstrumentFunctions , 1, 0, Benign) ///< Set when -fxray-instrument is 113 ///< enabled. 114CODEGENOPT(StackSizeSection , 1, 0, Benign) ///< Set when -fstack-size-section is enabled. 115 116///< Set when -femit-compact-unwind-non-canonical is enabled. 117CODEGENOPT(EmitCompactUnwindNonCanonical, 1, 0, Benign) 118 119///< Set when -fxray-always-emit-customevents is enabled. 120CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0, Benign) 121 122///< Set when -fxray-always-emit-typedevents is enabled. 123CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0, Benign) 124 125///< Set when -fxray-ignore-loops is enabled. 126CODEGENOPT(XRayIgnoreLoops , 1, 0, Benign) 127 128///< Emit the XRay function index section. 129CODEGENOPT(XRayFunctionIndex , 1, 1, Benign) 130 131///< Set when -fxray-shared is enabled 132CODEGENOPT(XRayShared , 1, 0, Benign) 133 134///< Set the minimum number of instructions in a function to determine selective 135///< XRay instrumentation. 136VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200, Benign) 137 138///< Only instrument 1 in N functions, by dividing functions into N total groups and 139///< instrumenting only the specified group at a time. Group numbers start at 0 140///< and end at N-1. 141VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1, Benign) 142VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0, Benign) 143 144VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0, Benign) ///< Number of NOPs at function entry 145VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0, Benign) 146 147CODEGENOPT(HotPatch, 1, 0, Benign) ///< Supports the Microsoft /HOTPATCH flag and 148 ///< generates a 'patchable-function' attribute. 149 150CODEGENOPT(TlsGuards , 1, 1, Benign) ///< Controls emission of tls guards via -fms-tls-guards 151CODEGENOPT(JMCInstrument, 1, 0, Benign) ///< Set when -fjmc is enabled. 152CODEGENOPT(InstrumentForProfiling , 1, 0, Benign) ///< Set when -pg is enabled. 153CODEGENOPT(CallFEntry , 1, 0, Benign) ///< Set when -mfentry is enabled. 154CODEGENOPT(MNopMCount , 1, 0, Benign) ///< Set when -mnop-mcount is enabled. 155CODEGENOPT(RecordMCount , 1, 0, Benign) ///< Set when -mrecord-mcount is enabled. 156CODEGENOPT(PackedStack , 1, 0, Benign) ///< Set when -mpacked-stack is enabled. 157CODEGENOPT(LessPreciseFPMAD , 1, 0, Benign) ///< Enable less precise MAD instructions to 158 ///< be generated. 159CODEGENOPT(PrepareForLTO , 1, 0, Benign) ///< Set when -flto is enabled on the 160 ///< compile step. 161CODEGENOPT(PrepareForThinLTO , 1, 0, Benign) ///< Set when -flto=thin is enabled on the 162 ///< compile step. 163CODEGENOPT(LTOUnit, 1, 0, Benign) ///< Emit IR to support LTO unit features (CFI, whole 164 ///< program vtable opt). 165CODEGENOPT(FatLTO, 1, 0, Benign) ///< Set when -ffat-lto-objects is enabled. 166CODEGENOPT(EnableSplitLTOUnit, 1, 0, Benign) ///< Enable LTO unit splitting to support 167 /// CFI and traditional whole program 168 /// devirtualization that require whole 169 /// program IR support. 170CODEGENOPT(UnifiedLTO, 1, 0, Benign) ///< Use the unified LTO pipeline. 171CODEGENOPT(IncrementalLinkerCompatible, 1, 0, Benign) ///< Emit an object file which can 172 ///< be used with an incremental 173 ///< linker. 174CODEGENOPT(MergeAllConstants , 1, 1, Benign) ///< Merge identical constants. 175CODEGENOPT(MergeFunctions , 1, 0, Benign) ///< Set when -fmerge-functions is enabled. 176CODEGENOPT(NoCommon , 1, 0, Benign) ///< Set when -fno-common or C++ is enabled. 177CODEGENOPT(NoExecStack , 1, 0, Benign) ///< Set when -Wa,--noexecstack is enabled. 178CODEGENOPT(MipsMsa , 1, 0, Benign) ///< Set when -Wa,-mmsa is enabled. 179CODEGENOPT(FatalWarnings , 1, 0, Benign) ///< Set when -Wa,--fatal-warnings is 180 ///< enabled. 181CODEGENOPT(NoWarn , 1, 0, Benign) ///< Set when -Wa,--no-warn is enabled. 182CODEGENOPT(NoTypeCheck , 1, 0, Benign) ///< Set when -Wa,--no-type-check is enabled. 183CODEGENOPT(MisExpect , 1, 0, Benign) ///< Set when -Wmisexpect is enabled 184CODEGENOPT(EnableSegmentedStacks , 1, 0, Benign) ///< Set when -fsplit-stack is enabled. 185CODEGENOPT(StackClashProtector, 1, 0, Benign) ///< Set when -fstack-clash-protection is enabled. 186CODEGENOPT(NoImplicitFloat , 1, 0, Benign) ///< Set when -mno-implicit-float is enabled. 187CODEGENOPT(NullPointerIsValid , 1, 0, Benign) ///< Assume Null pointer deference is defined. 188CODEGENOPT(OpenCLCorrectlyRoundedDivSqrt, 1, 0, Benign) ///< -cl-fp32-correctly-rounded-divide-sqrt 189CODEGENOPT(HIPCorrectlyRoundedDivSqrt, 1, 1, Benign) ///< -fno-hip-fp32-correctly-rounded-divide-sqrt 190CODEGENOPT(DisableBlockSignatureString, 1, 0, Benign) ///< Set when -fdisable-block-signature-string is enabled. 191CODEGENOPT(HIPSaveKernelArgName, 1, 0, Benign) ///< Set when -fhip-kernel-arg-name is enabled. 192CODEGENOPT(UniqueInternalLinkageNames, 1, 0, Benign) ///< Internal Linkage symbols get unique names. 193CODEGENOPT(SplitMachineFunctions, 1, 0, Benign) ///< Split machine functions using profile information. 194CODEGENOPT(PPCUseFullRegisterNames, 1, 0, Benign) ///< Print full register names in assembly 195CODEGENOPT(X86RelaxRelocations, 1, 1, Benign) ///< -Wa,-mrelax-relocations={yes,no} 196CODEGENOPT(X86Sse2Avx , 1, 0, Benign) ///< -Wa,-msse2avx 197 198/// When false, this attempts to generate code as if the result of an 199/// overflowing conversion matches the overflowing behavior of a target's native 200/// float-to-int conversion instructions. 201CODEGENOPT(StrictFloatCastOverflow, 1, 1, Benign) 202 203CODEGENOPT(NoZeroInitializedInBSS , 1, 0, Benign) ///< -fno-zero-initialized-in-bss. 204/// Method of Objective-C dispatch to use. 205ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy, Benign) 206/// Replace certain message sends with calls to ObjC runtime entrypoints 207CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1, Benign) 208CODEGENOPT(ObjCAvoidHeapifyLocalBlocks, 1, 0, Benign) 209 210 211// The optimization options affect frontend options, which in turn do affect the AST. 212VALUE_CODEGENOPT(OptimizationLevel, 2, 0, Affecting) ///< The -O[0-3] option specified. 213VALUE_CODEGENOPT(OptimizeSize, 2, 0, Affecting) ///< If -Os (==1, Benign) or -Oz (==2, Benign) is specified. 214 215CODEGENOPT(AtomicProfileUpdate , 1, 0, Benign) ///< Set -fprofile-update=atomic 216CODEGENOPT(ContinuousProfileSync, 1, 0, Benign) ///< Enable continuous instrumentation profiling 217/// Choose profile instrumenation kind or no instrumentation. 218 219ENUM_CODEGENOPT(ProfileInstr, llvm::driver::ProfileInstrKind, 4, llvm::driver::ProfileInstrKind::ProfileNone, Benign) 220 221/// Choose profile kind for PGO use compilation. 222ENUM_CODEGENOPT(ProfileUse, llvm::driver::ProfileInstrKind, 2, llvm::driver::ProfileInstrKind::ProfileNone, Benign) 223/// Partition functions into N groups and select only functions in group i to be 224/// instrumented. Selected group numbers can be 0 to N-1 inclusive. 225VALUE_CODEGENOPT(ProfileTotalFunctionGroups, 32, 1, Benign) 226VALUE_CODEGENOPT(ProfileSelectedFunctionGroup, 32, 0, Benign) 227CODEGENOPT(CoverageMapping , 1, 0, Benign) ///< Generate coverage mapping regions to 228 ///< enable code coverage analysis. 229CODEGENOPT(DumpCoverageMapping , 1, 0, Benign) ///< Dump the generated coverage mapping 230 ///< regions. 231CODEGENOPT(MCDCCoverage , 1, 0, Benign) ///< Enable MC/DC code coverage criteria. 232VALUE_CODEGENOPT(MCDCMaxConds, 16, 32767, Benign) ///< MC/DC Maximum conditions. 233VALUE_CODEGENOPT(MCDCMaxTVs, 32, 0x7FFFFFFE, Benign) ///< MC/DC Maximum test vectors. 234 235 /// If -fpcc-struct-return or -freg-struct-return is specified. 236ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default, Benign) 237 238CODEGENOPT(RelaxAll , 1, 0, Benign) ///< Relax all machine code instructions. 239CODEGENOPT(RelaxedAliasing , 1, 0, Benign) ///< Set when -fno-strict-aliasing is enabled. 240CODEGENOPT(PointerTBAA , 1, 1, Benign) ///< Whether or not to use distinct TBAA tags for pointers. 241CODEGENOPT(StructPathTBAA , 1, 0, Benign) ///< Whether or not to use struct-path TBAA. 242CODEGENOPT(NewStructPathTBAA , 1, 0, Benign) ///< Whether or not to use enhanced struct-path TBAA. 243CODEGENOPT(SaveTempLabels , 1, 0, Benign) ///< Save temporary labels. 244CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0, Benign) ///< Enable use-after-scope detection 245 ///< in AddressSanitizer 246ENUM_CODEGENOPT(SanitizeAddressUseAfterReturn, 247 llvm::AsanDetectStackUseAfterReturnMode, 2, 248 llvm::AsanDetectStackUseAfterReturnMode::Runtime, 249 Benign 250 ) ///< Set detection mode for stack-use-after-return. 251CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1, 0, Benign) ///< Enable poisoning operator new[] which is not a replaceable 252 ///< global allocation function in AddressSanitizer 253CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0, Benign) ///< Enable linker dead stripping 254 ///< of globals in AddressSanitizer 255CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0, Benign) ///< Enable ODR indicator globals 256CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0, Benign) ///< Enable tracking origins in 257 ///< MemorySanitizer 258ENUM_CODEGENOPT(SanitizeAddressDtor, llvm::AsanDtorKind, 2, 259 llvm::AsanDtorKind::Global, Benign) ///< Set how ASan global 260 ///< destructors are emitted. 261CODEGENOPT(SanitizeMemoryParamRetval, 1, 0, Benign) ///< Enable detection of uninitialized 262 ///< parameters and return values 263 ///< in MemorySanitizer 264CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0, Benign) ///< Enable use-after-delete detection 265 ///< in MemorySanitizer 266CODEGENOPT(SanitizeCfiCrossDso, 1, 0, Benign) ///< Enable cross-dso support in CFI. 267CODEGENOPT(SanitizeMinimalRuntime, 1, 0, Benign) ///< Use "_minimal" sanitizer runtime for 268 ///< diagnostics. 269CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0, Benign) ///< Generalize pointer types in 270 ///< CFI icall function signatures 271CODEGENOPT(SanitizeCfiICallNormalizeIntegers, 1, 0, Benign) ///< Normalize integer types in 272 ///< CFI icall function signatures 273CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0, Benign) ///< Make jump table symbols canonical 274 ///< instead of creating a local jump table. 275CODEGENOPT(SanitizeKcfiArity, 1, 0, Benign) ///< Embed arity in KCFI patchable function prefix 276CODEGENOPT(SanitizeCoverageType, 2, 0, Benign) ///< Type of sanitizer coverage 277 ///< instrumentation. 278CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0, Benign) ///< Enable sanitizer coverage 279 ///< for indirect calls. 280CODEGENOPT(SanitizeCoverageTraceBB, 1, 0, Benign) ///< Enable basic block tracing in 281 ///< in sanitizer coverage. 282CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0, Benign) ///< Enable cmp instruction tracing 283 ///< in sanitizer coverage. 284CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0, Benign) ///< Enable div instruction tracing 285 ///< in sanitizer coverage. 286CODEGENOPT(SanitizeCoverageTraceGep, 1, 0, Benign) ///< Enable GEP instruction tracing 287 ///< in sanitizer coverage. 288CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0, Benign) ///< Use 8-bit frequency counters 289 ///< in sanitizer coverage. 290CODEGENOPT(SanitizeCoverageTracePC, 1, 0, Benign) ///< Enable PC tracing 291 ///< in sanitizer coverage. 292CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0, Benign) ///< Enable PC tracing with guard 293 ///< in sanitizer coverage. 294CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0, Benign) ///< Use inline 8bit counters. 295CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0, Benign) ///< Use inline bool flag. 296CODEGENOPT(SanitizeCoveragePCTable, 1, 0, Benign) ///< Create a PC Table. 297CODEGENOPT(SanitizeCoverageControlFlow, 1, 0, Benign) ///< Collect control flow 298CODEGENOPT(SanitizeCoverageNoPrune, 1, 0, Benign) ///< Disable coverage pruning. 299CODEGENOPT(SanitizeCoverageStackDepth, 1, 0, Benign) ///< Enable max stack depth tracing 300VALUE_CODEGENOPT(SanitizeCoverageStackDepthCallbackMin , 32, 0, Benign) ///< Enable stack depth tracing callbacks. 301CODEGENOPT(SanitizeCoverageTraceLoads, 1, 0, Benign) ///< Enable tracing of loads. 302CODEGENOPT(SanitizeCoverageTraceStores, 1, 0, Benign) ///< Enable tracing of stores. 303CODEGENOPT(SanitizeBinaryMetadataCovered, 1, 0, Benign) ///< Emit PCs for covered functions. 304CODEGENOPT(SanitizeBinaryMetadataAtomics, 1, 0, Benign) ///< Emit PCs for atomic operations. 305CODEGENOPT(SanitizeBinaryMetadataUAR, 1, 0, Benign) ///< Emit PCs for start of functions 306 ///< that are subject for use-after-return checking. 307CODEGENOPT(SanitizeStats , 1, 0, Benign) ///< Collect statistics for sanitizers. 308CODEGENOPT(SimplifyLibCalls , 1, 1, Benign) ///< Set when -fbuiltin is enabled. 309CODEGENOPT(SoftFloat , 1, 0, Benign) ///< -soft-float. 310CODEGENOPT(SpeculativeLoadHardening, 1, 0, Benign) ///< Enable speculative load hardening. 311CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0, Benign) ///< Enable fine-grained bitfield accesses. 312CODEGENOPT(StrictEnums , 1, 0, Benign) ///< Optimize based on strict enum definition. 313CODEGENOPT(StrictVTablePointers, 1, 0, Benign) ///< Optimize based on the strict vtable pointers 314CODEGENOPT(TimePasses , 1, 0, Benign) ///< Set when -ftime-report or -ftime-report= or -ftime-report-json is enabled. 315CODEGENOPT(TimePassesPerRun , 1, 0, Benign) ///< Set when -ftime-report=per-pass-run is enabled. 316CODEGENOPT(TimePassesJson , 1, 0, Benign) ///< Set when -ftime-report-json is enabled. 317CODEGENOPT(TimeTrace , 1, 0, Benign) ///< Set when -ftime-trace is enabled. 318VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500, Benign) ///< Minimum time granularity (in microseconds), 319 ///< traced by time profiler 320CODEGENOPT(InterchangeLoops , 1, 0, Benign) ///< Run loop-interchange. 321CODEGENOPT(UnrollLoops , 1, 0, Benign) ///< Control whether loops are unrolled. 322CODEGENOPT(RerollLoops , 1, 0, Benign) ///< Control whether loops are rerolled. 323CODEGENOPT(NoUseJumpTables , 1, 0, Benign) ///< Set when -fno-jump-tables is enabled. 324VALUE_CODEGENOPT(UnwindTables, 2, 0, Benign) ///< Unwind tables (1, Benign) or asynchronous unwind tables (2, Benign) 325CODEGENOPT(LinkBitcodePostopt, 1, 0, Benign) ///< Link builtin bitcodes after optimization pipeline. 326CODEGENOPT(VectorizeLoop , 1, 0, Benign) ///< Run loop vectorizer. 327CODEGENOPT(VectorizeSLP , 1, 0, Benign) ///< Run SLP vectorizer. 328CODEGENOPT(ProfileSampleAccurate, 1, 0, Benign) ///< Sample profile is accurate. 329 330/// Treat loops as finite: language, always, never. 331ENUM_CODEGENOPT(FiniteLoops, FiniteLoopsKind, 2, FiniteLoopsKind::Language, Benign) 332 333 /// Attempt to use register sized accesses to bit-fields in structures, when 334 /// possible. 335CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0, Benign) 336 337CODEGENOPT(VerifyModule , 1, 1, Benign) ///< Control whether the module should be run 338 ///< through the LLVM Verifier. 339CODEGENOPT(VerifyEach , 1, 1, Benign) ///< Control whether the LLVM verifier 340 ///< should run after every pass. 341 342CODEGENOPT(StackRealignment , 1, 0, Benign) ///< Control whether to force stack 343 ///< realignment. 344CODEGENOPT(UseInitArray , 1, 0, Benign) ///< Control whether to use .init_array or 345 ///< .ctors. 346VALUE_CODEGENOPT(LoopAlignment , 32, 0, Benign) ///< Overrides default loop 347 ///< alignment, if not 0. 348VALUE_CODEGENOPT(StackAlignment , 32, 0, Benign) ///< Overrides default stack 349 ///< alignment, if not 0. 350VALUE_CODEGENOPT(StackProbeSize , 32, 4096, Benign) ///< Overrides default stack 351 ///< probe size, even if 0. 352VALUE_CODEGENOPT(WarnStackSize , 32, UINT_MAX, Benign) ///< Set via -fwarn-stack-size. 353CODEGENOPT(NoStackArgProbe, 1, 0, Benign) ///< Set when -mno-stack-arg-probe is used 354CODEGENOPT(EmitLLVMUseLists, 1, 0, Benign) ///< Control whether to serialize use-lists. 355 356CODEGENOPT(WholeProgramVTables, 1, 0, Benign) ///< Whether to apply whole-program 357 /// vtable optimization. 358 359CODEGENOPT(VirtualFunctionElimination, 1, 0, Benign) ///< Whether to apply the dead 360 /// virtual function elimination 361 /// optimization. 362 363/// Whether to use public LTO visibility for entities in std and stdext 364/// namespaces. This is enabled by clang-cl's /MT and /MTd flags. 365CODEGENOPT(LTOVisibilityPublicStd, 1, 0, Benign) 366 367/// The user specified number of registers to be used for integral arguments, 368/// or 0 if unspecified. 369VALUE_CODEGENOPT(NumRegisterParameters, 32, 0, Benign) 370 371/// The threshold to put data into small data section. 372VALUE_CODEGENOPT(SmallDataLimit, 32, 0, Benign) 373 374/// The lower bound for a buffer to be considered for stack protection. 375VALUE_CODEGENOPT(SSPBufferSize, 32, 0, Benign) 376 377/// The kind of inlining to perform. 378ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining, Benign) 379 380/// The maximum stack size a function can have to be considered for inlining. 381VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX, Benign) 382 383// Vector functions library to use. 384ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 4, llvm::driver::VectorLibrary::NoLibrary, Benign) 385 386/// The default TLS model to use. 387ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel, Benign) 388 389/// Whether to enable TLSDESC. AArch64 enables TLSDESC regardless of this value. 390CODEGENOPT(EnableTLSDESC, 1, 0, Benign) 391 392/// Bit size of immediate TLS offsets (0 == use the default). 393VALUE_CODEGENOPT(TLSSize, 8, 0, Benign) 394 395/// The types of variables that we will extend the live ranges of. 396ENUM_CODEGENOPT(ExtendVariableLiveness, ExtendVariableLivenessKind, 2, ExtendVariableLivenessKind::None, Benign) 397 398/// The default stack protector guard offset to use. 399VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, INT_MAX, Benign) 400 401/// Number of path components to strip when emitting checks. (0 == full 402/// filename) 403VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0, Benign) 404 405/// Whether to report the hotness of the code region for optimization remarks. 406CODEGENOPT(DiagnosticsWithHotness, 1, 0, Benign) 407 408/// Whether to use direct access relocations (instead of GOT) to reference external data symbols. 409CODEGENOPT(DirectAccessExternalData, 1, 0, Benign) 410 411/// Whether we should use the undefined behaviour optimization for control flow 412/// paths that reach the end of a function without executing a required return. 413CODEGENOPT(StrictReturn, 1, 1, Benign) 414 415/// Whether emit pseudo probes for sample pgo profile collection. 416CODEGENOPT(PseudoProbeForProfiling, 1, 0, Benign) 417 418CODEGENOPT(NoPLT, 1, 0, Benign) 419 420/// Whether to emit all vtables 421CODEGENOPT(ForceEmitVTables, 1, 0, Benign) 422 423/// Whether to emit an address-significance table into the object file. 424CODEGENOPT(Addrsig, 1, 0, Benign) 425 426/// Whether to emit unused static constants. 427CODEGENOPT(KeepStaticConsts, 1, 0, Benign) 428 429/// Whether to emit all variables that have a persistent storage duration, 430/// including global, static and thread local variables. 431CODEGENOPT(KeepPersistentStorageVariables, 1, 0, Benign) 432 433/// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield 434CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0, Benign) 435 436/// Assume that by-value parameters do not alias any other values. 437CODEGENOPT(PassByValueIsNoAlias, 1, 0, Benign) 438 439/// Whether to store register parameters to stack. 440CODEGENOPT(SaveRegParams, 1, 0, Benign) 441 442/// Whether to not follow the AAPCS that enforces volatile bit-field access width to be 443/// according to the field declaring type width. 444CODEGENOPT(AAPCSBitfieldWidth, 1, 1, Benign) 445 446/// Sets the IEEE bit in the expected default floating point mode register. 447/// Floating point opcodes that support exception flag gathering quiet and 448/// propagate signaling NaN inputs per IEEE 754-2008 (AMDGPU Only) 449CODEGENOPT(EmitIEEENaNCompliantInsts, 1, 1, Benign) 450 451// Whether to emit Swift Async function extended frame information: auto, 452// never, always. 453ENUM_CODEGENOPT(SwiftAsyncFramePointer, SwiftAsyncFramePointerKind, 2, 454 SwiftAsyncFramePointerKind::Always, Benign) 455 456/// Whether to skip RAX setup when passing variable arguments (x86 only). 457CODEGENOPT(SkipRaxSetup, 1, 0, Benign) 458 459/// Whether to zero out caller-used registers before returning. 460ENUM_CODEGENOPT(ZeroCallUsedRegs, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind, 461 5, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind::Skip, Benign) 462 463/// Modify C++ ABI to returning `this` pointer from constructors and 464/// non-deleting destructors. (No effect on Microsoft ABI.) 465CODEGENOPT(CtorDtorReturnThis, 1, 0, Benign) 466 467/// Enables emitting Import Call sections on supported targets that can be used 468/// by the Windows kernel to enable import call optimization. 469CODEGENOPT(ImportCallOptimization, 1, 0, Benign) 470 471/// Controls whether we generate code for static linking of libclosure 472/// (BlocksRuntime) on Windows. 473CODEGENOPT(StaticClosure, 1, 0, Benign) 474 475/// Assume that UAVs/SRVs may alias 476CODEGENOPT(ResMayAlias, 1, 0, Benign) 477 478/// Controls how unwind v2 (epilog) information should be generated for x64 479/// Windows. 480ENUM_CODEGENOPT(WinX64EHUnwindV2, llvm::WinX64EHUnwindV2Mode, 481 2, llvm::WinX64EHUnwindV2Mode::Disabled, Benign) 482 483/// FIXME: Make DebugOptions its own top-level .def file. 484#include "DebugOptions.def" 485 486#undef CODEGENOPT 487#undef ENUM_CODEGENOPT 488#undef VALUE_CODEGENOPT 489