| //===--- 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 |
| CODEGENOPT(CompressDebugSections, 1, 0) ///< -Wa,-compress-debug-sections |
| CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink |
| CODEGENOPT(AsmVerbose , 1, 0) ///< -dA, -fverbose-asm. |
| CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe. |
| 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(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(DisableGCov , 1, 0) ///< Don't run the GCov pass, for testing. |
| CODEGENOPT(DisableLLVMOpts , 1, 0) ///< Don't run any optimizations, for use in |
| ///< getting .bc files that correspond to the |
| ///< internal state before optimizations are |
| ///< done. |
| CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled. |
| CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls. |
| CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what |
| ///< Decl* various IR entities came from. |
| ///< Only useful when running CodeGen as a |
| ///< subroutine. |
| 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. |
| /// \brief FP_CONTRACT mode (on/off/fast). |
| ENUM_CODEGENOPT(FPContractMode, FPContractModeKind, 2, FPC_On) |
| 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(InstrumentForProfiling , 1, 0) ///< Set when -pg 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(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(ReciprocalMath , 1, 0) ///< Allow FP divisions to be reassociated. |
| CODEGENOPT(NoInline , 1, 0) ///< Set when -fno-inline is enabled. |
| ///< Disables use of the inline keyword. |
| CODEGENOPT(NoNaNsFPMath , 1, 0) ///< Assume FP arguments, results not NaN. |
| CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss. |
| /// \brief 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. |
| |
| CODEGENOPT(ProfileInstrGenerate , 1, 0) ///< Instrument code to generate |
| ///< execution counts to use with PGO. |
| 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(SaveTempLabels , 1, 0) ///< Save temporary labels. |
| CODEGENOPT(SanitizeAddressZeroBaseShadow , 1, 0) ///< Map shadow memory at zero |
| ///< offset in AddressSanitizer. |
| CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in |
| ///< MemorySanitizer |
| CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection |
| ///< in MemorySanitizer |
| 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(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters |
| ///< in sanitizer coverage. |
| CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled. |
| CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float. |
| CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition. |
| CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report is enabled. |
| CODEGENOPT(UnitAtATime , 1, 1) ///< Unused. For mirroring GCC optimization |
| ///< selection. |
| CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled. |
| CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled. |
| CODEGENOPT(UnsafeFPMath , 1, 0) ///< Allow unsafe floating point optzns. |
| CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables. |
| CODEGENOPT(VectorizeBB , 1, 0) ///< Run basic block vectorizer. |
| CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer. |
| CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer. |
| |
| /// 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 permit 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(DebugColumnInfo, 1, 0) ///< Whether or not to use column information |
| ///< in debug info. |
| |
| CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists. |
| |
| /// 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, DebugInfoKind, 3, NoDebugInfo) |
| |
| /// Dwarf version. |
| VALUE_CODEGENOPT(DwarfVersion, 3, 0) |
| |
| /// The kind of inlining to perform. |
| ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NoInlining) |
| |
| // Vector functions library to use. |
| ENUM_CODEGENOPT(VecLib, VectorLibrary, 1, NoLibrary) |
| |
| /// The default TLS model to use. |
| ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel) |
| |
| #undef CODEGENOPT |
| #undef ENUM_CODEGENOPT |
| #undef VALUE_CODEGENOPT |
| |
