//===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// #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 CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as ENUM_CODEGENOPT(CompressDebugSections, llvm::DebugCompressionType, 2, llvm::DebugCompressionType::None) CODEGENOPT(RelaxELFRelocations, 1, 0) ///< -Wa,--mrelax-relocations 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(Autolink , 1, 1) ///< -fno-autolink CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe. CODEGENOPT(Backchain , 1, 0) ///< -mbackchain CODEGENOPT(ControlFlowGuard , 1, 0) ///< -cfguard CODEGENOPT(CoverageExtraChecksum, 1, 0) ///< Whether we need a second checksum for functions in GCNO files. CODEGENOPT(CoverageNoFunctionNamesInData, 1, 0) ///< Do not include function names in GCDA files. CODEGENOPT(CoverageExitBlockBeforeBody, 1, 0) ///< Whether to emit the exit block before the body blocks in GCNO files. 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(DisableFPElim , 1, 0) ///< Set when -fomit-frame-pointer is enabled. CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory. CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag) CODEGENOPT(DisableGCov , 1, 0) ///< Don't run the GCov pass, for testing. 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(ExperimentalNewPassManager, 1, 0) ///< Enables the new, experimental ///< pass manager. CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new ///< pass manager. CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled. 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(EmitGcovArcs , 1, 0) ///< Emit coverage data files, aka. GCDA. CODEGENOPT(EmitGcovNotes , 1, 0) ///< Emit coverage "notes" files, aka GCNO. CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata. CODEGENOPT(EmulatedTLS , 1, 0) ///< Set by default or -f[no-]emulated-tls. CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used. /// Embed Bitcode mode (off/all/bitcode/marker). ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off) CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables ///< are required. CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections 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(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is ///< enabled. CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled. ///< 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 the minimum number of instructions in a function to determine selective ///< XRay instrumentation. VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200) CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled. CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry 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(EmitSummaryIndex, 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(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(MSVolatile , 1, 0) ///< Set when /volatile:ms is enabled. CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled. CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is ///< enabled. CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled. CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is ///< enabled. CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled. CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled. CODEGENOPT(NoInfsFPMath , 1, 0) ///< Assume FP arguments, results not +-Inf. CODEGENOPT(NoSignedZeros , 1, 0) ///< Allow ignoring the signedness of FP zero CODEGENOPT(Reassociate , 1, 0) ///< Allow reassociation of FP math ops CODEGENOPT(ReciprocalMath , 1, 0) ///< Allow FP divisions to be reassociated. CODEGENOPT(NoTrappingMath , 1, 0) ///< Set when -fno-trapping-math is enabled. CODEGENOPT(NoNaNsFPMath , 1, 0) ///< Assume FP arguments, results not NaN. CODEGENOPT(FlushDenorm , 1, 0) ///< Allow FP denorm numbers to be flushed to zero CODEGENOPT(CorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt /// 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(UniformWGSize , 1, 0) ///< -cl-uniform-work-group-size CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss. /// Method of Objective-C dispatch to use. ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy) CODEGENOPT(OmitLeafFramePointer , 1, 0) ///< Set when -momit-leaf-frame-pointer is ///< enabled. VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified. VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified. /// 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) CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to ///< enable code coverage analysis. CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping ///< regions. /// 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 CODEGENOPT(SanitizeAddressPoisonClassMemberArrayNewCookie, 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(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins 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(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(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table. CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning. CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing CODEGENOPT(SanitizeStats , 1, 0) ///< Collect statistics for sanitizers. CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled. CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float. 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 is enabled. 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. CODEGENOPT(UnsafeFPMath , 1, 0) ///< Allow unsafe floating point optzns. CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables. CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer. CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer. CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate. /// 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(StackRealignment , 1, 0) ///< Control whether to force stack ///< realignment. CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or ///< .ctors. 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. CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information ///< in debug info. CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain ///< external references to a PCH or module. CODEGENOPT(DebugExplicitImport, 1, 0) ///< Whether or not debug info should ///< contain explicit imports for ///< anonymous namespaces CODEGENOPT(EnableSplitDwarf, 1, 0) ///< Whether to enable split DWARF CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the ///< skeleton CU to allow for symbolication ///< of inline stack frames without .dwo files. CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete ///< template parameter descriptions in ///< forward declarations (versus just ///< including them in the name). CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists. CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program /// vtable 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 lower bound for a buffer to be considered for stack protection. VALUE_CODEGENOPT(SSPBufferSize, 32, 0) /// The kind of generated debug info. ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 3, codegenoptions::NoDebugInfo) /// Whether to generate macro debug info. CODEGENOPT(MacroDebugInfo, 1, 0) /// Tune the debug info for this debugger. ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 2, llvm::DebuggerKind::Default) /// Dwarf version. Version zero indicates to LLVM that no DWARF should be /// emitted. VALUE_CODEGENOPT(DwarfVersion, 3, 0) /// Whether we should emit CodeView debug information. It's possible to emit /// CodeView and DWARF into the same object. CODEGENOPT(EmitCodeView, 1, 0) /// The kind of inlining to perform. ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining) // Vector functions library to use. ENUM_CODEGENOPT(VecLib, VectorLibrary, 2, NoLibrary) /// The default TLS model to use. ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel) /// 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) /// The minimum hotness value a diagnostic needs in order to be included in /// optimization diagnostics. VALUE_CODEGENOPT(DiagnosticsHotnessThreshold, 32, 0) /// Whether copy relocations support is available when building as PIE. CODEGENOPT(PIECopyRelocations, 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 extra debug info for sample pgo profile collection. CODEGENOPT(DebugInfoForProfiling, 1, 0) /// Whether 3-component vector type is preserved. CODEGENOPT(PreserveVec3Type, 1, 0) /// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames. CODEGENOPT(GnuPubnames, 1, 0) CODEGENOPT(NoPLT, 1, 0) /// Whether to embed source in DWARF debug line section. CODEGENOPT(EmbedSource, 1, 0) #undef CODEGENOPT #undef ENUM_CODEGENOPT #undef VALUE_CODEGENOPT