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//===--- 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(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(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(DisableGCov , 1, 0) ///< Don't run the GCov pass, for testing.
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.
CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions.
CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
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(UnsafeFPMath , 1, 0) ///< Allow unsafe floating point optzns.
CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables.
/// 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.
CODEGENOPT(ModulesAutolink, 1, 0) ///< Whether to auto-link imported modules
/// 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)
/// 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
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