| //===--- 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(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(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(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined. |
| 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) |
| |
| /// Whether to emit all vtables |
| CODEGENOPT(ForceEmitVTables, 1, 0) |
| |
| /// Whether to emit an address-significance table into the object file. |
| CODEGENOPT(Addrsig, 1, 0) |
| |
| |
| #undef CODEGENOPT |
| #undef ENUM_CODEGENOPT |
| #undef VALUE_CODEGENOPT |
| |
