| //===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the code generation options. Users of this file |
| // must define the CODEGENOPT macro to make use of this information. |
| // Optionally, the user may also define ENUM_CODEGENOPT (for options |
| // that have enumeration type and VALUE_CODEGENOPT is a code |
| // generation option that describes a value rather than a flag. |
| // |
| // AFFECTING_VALUE_CODEGENOPT is used for code generation options that can |
| // affect the AST. |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef CODEGENOPT |
| # error Define the CODEGENOPT macro to handle language options |
| #endif |
| |
| #ifndef VALUE_CODEGENOPT |
| # define VALUE_CODEGENOPT(Name, Bits, Default) \ |
| CODEGENOPT(Name, Bits, Default) |
| #endif |
| |
| #ifndef ENUM_CODEGENOPT |
| # define ENUM_CODEGENOPT(Name, Type, Bits, Default) \ |
| CODEGENOPT(Name, Bits, Default) |
| #endif |
| |
| #ifndef AFFECTING_VALUE_CODEGENOPT |
| # define AFFECTING_VALUE_CODEGENOPT(Name, Bits, Default) \ |
| VALUE_CODEGENOPT(Name, Bits, Default) |
| #endif |
| |
| CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as |
| CODEGENOPT(RelaxELFRelocations, 1, 1) ///< -Wa,-mrelax-relocations={yes,no} |
| CODEGENOPT(AsmVerbose , 1, 0) ///< -dA, -fverbose-asm. |
| CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments. |
| CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new |
| CODEGENOPT(AssumeUniqueVTables , 1, 1) ///< Assume a class has only one vtable. |
| CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink |
| CODEGENOPT(AutoImport , 1, 1) ///< -fno-auto-import |
| CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe. |
| CODEGENOPT(Backchain , 1, 0) ///< -mbackchain |
| CODEGENOPT(ControlFlowGuardNoChecks , 1, 0) ///< -cfguard-no-checks |
| CODEGENOPT(ControlFlowGuard , 1, 0) ///< -cfguard |
| CODEGENOPT(EHContGuard , 1, 0) ///< -ehcontguard |
| CODEGENOPT(CXAAtExit , 1, 1) ///< Use __cxa_atexit for calling destructors. |
| CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1) ///< Use atexit or __cxa_atexit to register global destructors. |
| CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker |
| ///< aliases to base ctors when possible. |
| CODEGENOPT(DataSections , 1, 0) ///< Set when -fdata-sections is enabled. |
| CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names. |
| CODEGENOPT(UniqueBasicBlockSectionNames, 1, 1) ///< Set for -funique-basic-block-section-names, |
| ///< Produce unique section names with |
| ///< basic block sections. |
| CODEGENOPT(EnableAIXExtendedAltivecABI, 1, 0) ///< Set for -mabi=vec-extabi. Enables the extended Altivec ABI on AIX. |
| CODEGENOPT(XCOFFReadOnlyPointers, 1, 0) ///< Set for -mxcoff-roptr. |
| CODEGENOPT(AllTocData, 1, 0) ///< AIX -mtocdata |
| ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none |
| |
| CODEGENOPT(ClearASTBeforeBackend , 1, 0) ///< Free the AST before running backend code generation. Only works with -disable-free. |
| CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory. |
| CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag) |
| CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get |
| ///< the pristine IR generated by the |
| ///< frontend. |
| CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers |
| CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0 |
| CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental |
| ///< strict floating point. |
| CODEGENOPT(EnableNoundefAttrs, 1, 0) ///< Enable emitting `noundef` attributes on IR call arguments and return values |
| CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new |
| ///< pass manager. |
| CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled. |
| CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of |
| ///< '-g' + 'O>0' level. |
| CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs |
| ///< is specified. |
| CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls. |
| CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from |
| ///< escaping blocks. |
| CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what |
| ///< Decl* various IR entities came from. |
| ///< Only useful when running CodeGen as a |
| ///< subroutine. |
| CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata. |
| CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata. |
| CODEGENOPT(EmulatedTLS , 1, 0) ///< Set by default or -f[no-]emulated-tls. |
| /// Embed Bitcode mode (off/all/bitcode/marker). |
| ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off) |
| /// Inline asm dialect, -masm=(att|intel) |
| ENUM_CODEGENOPT(InlineAsmDialect, InlineAsmDialectKind, 1, IAD_ATT) |
| CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables |
| ///< are required. |
| CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections is enabled. |
| CODEGENOPT(BBAddrMap , 1, 0) ///< Set when -fbasic-block-address-map is enabled. |
| CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is |
| ///< enabled. |
| CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when |
| ///< -finstrument-functions-after-inlining is enabled. |
| CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when |
| ///< -finstrument-function-entry-bare is enabled. |
| CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is |
| ///< set to full or return. |
| CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is |
| ///< set to full or branch. |
| CODEGENOPT(FunctionReturnThunks, 1, 0) ///< -mfunction-return={keep|thunk-extern} |
| CODEGENOPT(IndirectBranchCSPrefix, 1, 0) ///< if -mindirect-branch-cs-prefix |
| ///< is set. |
| |
| CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is |
| ///< enabled. |
| CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled. |
| |
| ///< Set when -femit-compact-unwind-non-canonical is enabled. |
| CODEGENOPT(EmitCompactUnwindNonCanonical, 1, 0) |
| |
| ///< Set when -fxray-always-emit-customevents is enabled. |
| CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0) |
| |
| ///< Set when -fxray-always-emit-typedevents is enabled. |
| CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0) |
| |
| ///< Set when -fxray-ignore-loops is enabled. |
| CODEGENOPT(XRayIgnoreLoops , 1, 0) |
| |
| ///< Emit the XRay function index section. |
| CODEGENOPT(XRayFunctionIndex , 1, 1) |
| |
| |
| ///< Set the minimum number of instructions in a function to determine selective |
| ///< XRay instrumentation. |
| VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200) |
| |
| ///< Only instrument 1 in N functions, by dividing functions into N total groups and |
| ///< instrumenting only the specified group at a time. Group numbers start at 0 |
| ///< and end at N-1. |
| VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1) |
| VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0) |
| |
| VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry |
| VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0) |
| |
| CODEGENOPT(HotPatch, 1, 0) ///< Supports the Microsoft /HOTPATCH flag and |
| ///< generates a 'patchable-function' attribute. |
| |
| CODEGENOPT(JMCInstrument, 1, 0) ///< Set when -fjmc is enabled. |
| CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled. |
| CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled. |
| CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled. |
| CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled. |
| CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled. |
| CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to |
| ///< be generated. |
| CODEGENOPT(PrepareForLTO , 1, 0) ///< Set when -flto is enabled on the |
| ///< compile step. |
| CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the |
| ///< compile step. |
| CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole |
| ///< program vtable opt). |
| CODEGENOPT(FatLTO, 1, 0) ///< Set when -ffat-lto-objects is enabled. |
| CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support |
| /// CFI and traditional whole program |
| /// devirtualization that require whole |
| /// program IR support. |
| CODEGENOPT(UnifiedLTO, 1, 0) ///< Use the unified LTO pipeline. |
| CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can |
| ///< be used with an incremental |
| ///< linker. |
| CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants. |
| CODEGENOPT(MergeFunctions , 1, 0) ///< Set when -fmerge-functions is enabled. |
| CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled. |
| CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled. |
| CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is |
| ///< enabled. |
| CODEGENOPT(NoWarn , 1, 0) ///< Set when -Wa,--no-warn is enabled. |
| CODEGENOPT(NoTypeCheck , 1, 0) ///< Set when -Wa,--no-type-check is enabled. |
| CODEGENOPT(MisExpect , 1, 0) ///< Set when -Wmisexpect is enabled |
| CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled. |
| CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled. |
| CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled. |
| CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined. |
| CODEGENOPT(OpenCLCorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt |
| CODEGENOPT(HIPCorrectlyRoundedDivSqrt, 1, 1) ///< -fno-hip-fp32-correctly-rounded-divide-sqrt |
| CODEGENOPT(HIPSaveKernelArgName, 1, 0) ///< Set when -fhip-kernel-arg-name is enabled. |
| CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names. |
| CODEGENOPT(SplitMachineFunctions, 1, 0) ///< Split machine functions using profile information. |
| CODEGENOPT(PPCUseFullRegisterNames, 1, 0) ///< Print full register names in assembly |
| |
| /// When false, this attempts to generate code as if the result of an |
| /// overflowing conversion matches the overflowing behavior of a target's native |
| /// float-to-int conversion instructions. |
| CODEGENOPT(StrictFloatCastOverflow, 1, 1) |
| |
| CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss. |
| /// Method of Objective-C dispatch to use. |
| ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy) |
| /// Replace certain message sends with calls to ObjC runtime entrypoints |
| CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1) |
| CODEGENOPT(ObjCAvoidHeapifyLocalBlocks, 1, 0) |
| |
| |
| // The optimization options affect frontend options, whicn in turn do affect the AST. |
| AFFECTING_VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified. |
| AFFECTING_VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified. |
| |
| CODEGENOPT(AtomicProfileUpdate , 1, 0) ///< Set -fprofile-update=atomic |
| /// Choose profile instrumenation kind or no instrumentation. |
| ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone) |
| /// Choose profile kind for PGO use compilation. |
| ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone) |
| /// Partition functions into N groups and select only functions in group i to be |
| /// instrumented. Selected group numbers can be 0 to N-1 inclusive. |
| VALUE_CODEGENOPT(ProfileTotalFunctionGroups, 32, 1) |
| VALUE_CODEGENOPT(ProfileSelectedFunctionGroup, 32, 0) |
| CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to |
| ///< enable code coverage analysis. |
| CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping |
| ///< regions. |
| CODEGENOPT(MCDCCoverage , 1, 0) ///< Enable MC/DC code coverage criteria. |
| |
| /// If -fpcc-struct-return or -freg-struct-return is specified. |
| ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default) |
| |
| CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions. |
| CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled. |
| CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA. |
| CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA. |
| CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels. |
| CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection |
| ///< in AddressSanitizer |
| ENUM_CODEGENOPT(SanitizeAddressUseAfterReturn, |
| llvm::AsanDetectStackUseAfterReturnMode, 2, |
| llvm::AsanDetectStackUseAfterReturnMode::Runtime |
| ) ///< Set detection mode for stack-use-after-return. |
| CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1, |
| 0) ///< Enable poisoning operator new[] which is not a replaceable |
| ///< global allocation function in AddressSanitizer |
| CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping |
| ///< of globals in AddressSanitizer |
| CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals |
| CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in |
| ///< MemorySanitizer |
| ENUM_CODEGENOPT(SanitizeAddressDtor, llvm::AsanDtorKind, 2, |
| llvm::AsanDtorKind::Global) ///< Set how ASan global |
| ///< destructors are emitted. |
| CODEGENOPT(SanitizeMemoryParamRetval, 1, 0) ///< Enable detection of uninitialized |
| ///< parameters and return values |
| ///< in MemorySanitizer |
| CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection |
| ///< in MemorySanitizer |
| CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI. |
| CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for |
| ///< diagnostics. |
| CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in |
| ///< CFI icall function signatures |
| CODEGENOPT(SanitizeCfiICallNormalizeIntegers, 1, 0) ///< Normalize integer types in |
| ///< CFI icall function signatures |
| CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical |
| ///< instead of creating a local jump table. |
| CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage |
| ///< instrumentation. |
| CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage |
| ///< for indirect calls. |
| CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard |
| ///< in sanitizer coverage. |
| CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters. |
| CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag. |
| CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table. |
| CODEGENOPT(SanitizeCoverageControlFlow, 1, 0) ///< Collect control flow |
| CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning. |
| CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing |
| CODEGENOPT(SanitizeCoverageTraceLoads, 1, 0) ///< Enable tracing of loads. |
| CODEGENOPT(SanitizeCoverageTraceStores, 1, 0) ///< Enable tracing of stores. |
| CODEGENOPT(SanitizeBinaryMetadataCovered, 1, 0) ///< Emit PCs for covered functions. |
| CODEGENOPT(SanitizeBinaryMetadataAtomics, 1, 0) ///< Emit PCs for atomic operations. |
| CODEGENOPT(SanitizeBinaryMetadataUAR, 1, 0) ///< Emit PCs for start of functions |
| ///< that are subject for use-after-return checking. |
| CODEGENOPT(SanitizeStats , 1, 0) ///< Collect statistics for sanitizers. |
| CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled. |
| CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float. |
| CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening. |
| CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses. |
| CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition. |
| CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers |
| CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report or -ftime-report= is enabled. |
| CODEGENOPT(TimePassesPerRun , 1, 0) ///< Set when -ftime-report=per-pass-run is enabled. |
| CODEGENOPT(TimeTrace , 1, 0) ///< Set when -ftime-trace is enabled. |
| VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds), |
| ///< traced by time profiler |
| CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled. |
| CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled. |
| CODEGENOPT(NoUseJumpTables , 1, 0) ///< Set when -fno-jump-tables is enabled. |
| VALUE_CODEGENOPT(UnwindTables, 2, 0) ///< Unwind tables (1) or asynchronous unwind tables (2) |
| CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer. |
| CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer. |
| CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate. |
| |
| /// Treat loops as finite: language, always, never. |
| ENUM_CODEGENOPT(FiniteLoops, FiniteLoopsKind, 2, FiniteLoopsKind::Language) |
| |
| /// Attempt to use register sized accesses to bit-fields in structures, when |
| /// possible. |
| CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0) |
| |
| CODEGENOPT(VerifyModule , 1, 1) ///< Control whether the module should be run |
| ///< through the LLVM Verifier. |
| CODEGENOPT(VerifyEach , 1, 1) ///< Control whether the LLVM verifier |
| ///< should run after every pass. |
| |
| CODEGENOPT(StackRealignment , 1, 0) ///< Control whether to force stack |
| ///< realignment. |
| CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or |
| ///< .ctors. |
| VALUE_CODEGENOPT(LoopAlignment , 32, 0) ///< Overrides default loop |
| ///< alignment, if not 0. |
| VALUE_CODEGENOPT(StackAlignment , 32, 0) ///< Overrides default stack |
| ///< alignment, if not 0. |
| VALUE_CODEGENOPT(StackProbeSize , 32, 4096) ///< Overrides default stack |
| ///< probe size, even if 0. |
| VALUE_CODEGENOPT(WarnStackSize , 32, UINT_MAX) ///< Set via -fwarn-stack-size. |
| CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used |
| CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists. |
| |
| CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program |
| /// vtable optimization. |
| |
| CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead |
| /// virtual function elimination |
| /// optimization. |
| |
| /// Whether to use public LTO visibility for entities in std and stdext |
| /// namespaces. This is enabled by clang-cl's /MT and /MTd flags. |
| CODEGENOPT(LTOVisibilityPublicStd, 1, 0) |
| |
| /// The user specified number of registers to be used for integral arguments, |
| /// or 0 if unspecified. |
| VALUE_CODEGENOPT(NumRegisterParameters, 32, 0) |
| |
| /// The threshold to put data into small data section. |
| VALUE_CODEGENOPT(SmallDataLimit, 32, 0) |
| |
| /// The lower bound for a buffer to be considered for stack protection. |
| VALUE_CODEGENOPT(SSPBufferSize, 32, 0) |
| |
| /// The kind of inlining to perform. |
| ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining) |
| |
| /// The maximum stack size a function can have to be considered for inlining. |
| VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX) |
| |
| // Vector functions library to use. |
| ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 3, llvm::driver::VectorLibrary::NoLibrary) |
| |
| /// The default TLS model to use. |
| ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel) |
| |
| /// Whether to enable TLSDESC. AArch64 enables TLSDESC regardless of this value. |
| CODEGENOPT(EnableTLSDESC, 1, 0) |
| |
| /// Bit size of immediate TLS offsets (0 == use the default). |
| VALUE_CODEGENOPT(TLSSize, 8, 0) |
| |
| /// The default stack protector guard offset to use. |
| VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, INT_MAX) |
| |
| /// Number of path components to strip when emitting checks. (0 == full |
| /// filename) |
| VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0) |
| |
| /// Whether to report the hotness of the code region for optimization remarks. |
| CODEGENOPT(DiagnosticsWithHotness, 1, 0) |
| |
| /// Whether to use direct access relocations (instead of GOT) to reference external data symbols. |
| CODEGENOPT(DirectAccessExternalData, 1, 0) |
| |
| /// Whether we should use the undefined behaviour optimization for control flow |
| /// paths that reach the end of a function without executing a required return. |
| CODEGENOPT(StrictReturn, 1, 1) |
| |
| /// Whether emit pseudo probes for sample pgo profile collection. |
| CODEGENOPT(PseudoProbeForProfiling, 1, 0) |
| |
| /// Whether 3-component vector type is preserved. |
| CODEGENOPT(PreserveVec3Type, 1, 0) |
| |
| CODEGENOPT(NoPLT, 1, 0) |
| |
| /// Whether to emit all vtables |
| CODEGENOPT(ForceEmitVTables, 1, 0) |
| |
| /// Whether to emit an address-significance table into the object file. |
| CODEGENOPT(Addrsig, 1, 0) |
| |
| /// Whether to emit unused static constants. |
| CODEGENOPT(KeepStaticConsts, 1, 0) |
| |
| /// Whether to emit all variables that have a persistent storage duration, |
| /// including global, static and thread local variables. |
| CODEGENOPT(KeepPersistentStorageVariables, 1, 0) |
| |
| /// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield |
| CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0) |
| |
| /// Assume that by-value parameters do not alias any other values. |
| CODEGENOPT(PassByValueIsNoAlias, 1, 0) |
| |
| /// Whether to not follow the AAPCS that enforces volatile bit-field access width to be |
| /// according to the field declaring type width. |
| CODEGENOPT(AAPCSBitfieldWidth, 1, 1) |
| |
| /// Sets the IEEE bit in the expected default floating point mode register. |
| /// Floating point opcodes that support exception flag gathering quiet and |
| /// propagate signaling NaN inputs per IEEE 754-2008 (AMDGPU Only) |
| CODEGENOPT(EmitIEEENaNCompliantInsts, 1, 1) |
| |
| // Whether to emit Swift Async function extended frame information: auto, |
| // never, always. |
| ENUM_CODEGENOPT(SwiftAsyncFramePointer, SwiftAsyncFramePointerKind, 2, |
| SwiftAsyncFramePointerKind::Always) |
| |
| /// Whether to skip RAX setup when passing variable arguments (x86 only). |
| CODEGENOPT(SkipRaxSetup, 1, 0) |
| |
| /// Whether to zero out caller-used registers before returning. |
| ENUM_CODEGENOPT(ZeroCallUsedRegs, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind, |
| 5, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind::Skip) |
| |
| /// Modify C++ ABI to returning `this` pointer from constructors and |
| /// non-deleting destructors. (No effect on Microsoft ABI.) |
| CODEGENOPT(CtorDtorReturnThis, 1, 0) |
| |
| /// FIXME: Make DebugOptions its own top-level .def file. |
| #include "DebugOptions.def" |
| |
| #undef CODEGENOPT |
| #undef ENUM_CODEGENOPT |
| #undef VALUE_CODEGENOPT |
| #undef AFFECTING_VALUE_CODEGENOPT |