//===--- 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(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(CUDAIsDevice , 1, 0) ///< Set when compiling for CUDA device. 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(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(HiddenWeakVTables , 1, 0) ///< Emit weak vtables, RTTI, and thunks with ///< hidden visibility. 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(MergeAllConstants , 1, 1) ///< Merge identical constants. CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled. CODEGENOPT(NoDwarf2CFIAsm , 1, 0) ///< Set when -fno-dwarf2-cfi-asm 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(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled. CODEGENOPT(NoGlobalMerge , 1, 0) ///< Set when -mno-global-merge is enabled. CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled. CODEGENOPT(NoInfsFPMath , 1, 0) ///< Assume FP arguments, results not +-Inf. 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, 3, 0) ///< The -O[0-4] option specified. VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified. /// 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, 1, 0) ///< Enable tracking origins in ///< MemorySanitizer CODEGENOPT(SanitizeUndefinedTrapOnError, 1, 0) ///< Set on /// -fsanitize-undefined-trap-on-error 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. CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information ///< in debug info. /// 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, 2, NoDebugInfo) /// Dwarf version. VALUE_CODEGENOPT(DwarfVersion, 3, 0) /// The kind of inlining to perform. ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NoInlining) /// The default TLS model to use. ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel) CODEGENOPT(SanitizeRecover, 1, 1) ///< Attempt to recover from sanitizer checks ///< by continuing execution when possible #undef CODEGENOPT #undef ENUM_CODEGENOPT #undef VALUE_CODEGENOPT