Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 1 | //===--- CodeGenOptions.def - Code generation option database ------ C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file defines the code generation options. Users of this file |
| 11 | // must define the CODEGENOPT macro to make use of this information. |
| 12 | // Optionally, the user may also define ENUM_CODEGENOPT (for options |
| 13 | // that have enumeration type and VALUE_CODEGENOPT is a code |
| 14 | // generation option that describes a value rather than a flag. |
| 15 | // |
| 16 | //===----------------------------------------------------------------------===// |
| 17 | #ifndef CODEGENOPT |
| 18 | # error Define the CODEGENOPT macro to handle language options |
| 19 | #endif |
| 20 | |
| 21 | #ifndef VALUE_CODEGENOPT |
| 22 | # define VALUE_CODEGENOPT(Name, Bits, Default) \ |
| 23 | CODEGENOPT(Name, Bits, Default) |
| 24 | #endif |
| 25 | |
| 26 | #ifndef ENUM_CODEGENOPT |
| 27 | # define ENUM_CODEGENOPT(Name, Type, Bits, Default) \ |
| 28 | CODEGENOPT(Name, Bits, Default) |
| 29 | #endif |
| 30 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 31 | CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as |
| 32 | CODEGENOPT(CompressDebugSections, 1, 0) ///< -Wa,-compress-debug-sections |
Daniel Dunbar | f491013 | 2013-04-16 18:21:19 +0000 | [diff] [blame] | 33 | CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 34 | CODEGENOPT(AsmVerbose , 1, 0) ///< -dA, -fverbose-asm. |
| 35 | CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe. |
Nick Lewycky | 0f815f1 | 2013-03-07 08:28:53 +0000 | [diff] [blame] | 36 | CODEGENOPT(CoverageExtraChecksum, 1, 0) ///< Whether we need a second checksum for functions in GCNO files. |
Nick Lewycky | 83c546a | 2013-03-20 02:14:38 +0000 | [diff] [blame] | 37 | CODEGENOPT(CoverageNoFunctionNamesInData, 1, 0) ///< Do not include function names in GCDA files. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 38 | CODEGENOPT(CoverageExitBlockBeforeBody, 1, 0) ///< Whether to emit the exit block before the body blocks in GCNO files. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 39 | CODEGENOPT(CXAAtExit , 1, 1) ///< Use __cxa_atexit for calling destructors. |
| 40 | CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker |
| 41 | ///< aliases to base ctors when possible. |
| 42 | CODEGENOPT(DataSections , 1, 0) ///< Set when -fdata-sections is enabled. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 43 | CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 44 | CODEGENOPT(DisableFPElim , 1, 0) ///< Set when -fomit-frame-pointer is enabled. |
Nick Lewycky | 73b8d4b | 2013-06-21 21:15:32 +0000 | [diff] [blame] | 45 | CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory. |
| 46 | CODEGENOPT(DisableGCov , 1, 0) ///< Don't run the GCov pass, for testing. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 47 | CODEGENOPT(DisableLLVMOpts , 1, 0) ///< Don't run any optimizations, for use in |
| 48 | ///< getting .bc files that correspond to the |
| 49 | ///< internal state before optimizations are |
| 50 | ///< done. |
| 51 | CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled. |
| 52 | CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls. |
| 53 | CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what |
| 54 | ///< Decl* various IR entities came from. |
| 55 | ///< Only useful when running CodeGen as a |
| 56 | ///< subroutine. |
| 57 | CODEGENOPT(EmitGcovArcs , 1, 0) ///< Emit coverage data files, aka. GCDA. |
| 58 | CODEGENOPT(EmitGcovNotes , 1, 0) ///< Emit coverage "notes" files, aka GCNO. |
| 59 | CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata. |
Lang Hames | 931c083 | 2012-11-15 07:51:26 +0000 | [diff] [blame] | 60 | /// \brief FP_CONTRACT mode (on/off/fast). |
| 61 | ENUM_CODEGENOPT(FPContractMode, FPContractModeKind, 2, FPC_On) |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 62 | CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables |
| 63 | ///< are required. |
| 64 | CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections is enabled. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 65 | CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is |
| 66 | ///< enabled. |
| 67 | CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled. |
| 68 | CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to |
| 69 | ///< be generated. |
| 70 | CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 71 | CODEGENOPT(MergeFunctions , 1, 0) ///< Set when -fmerge-functions is enabled. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 72 | CODEGENOPT(MSVolatile , 1, 0) ///< Set when /volatile:ms is enabled. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 73 | CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 74 | CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is |
| 75 | ///< enabled. |
| 76 | CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 77 | CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is |
| 78 | ///< enabled. |
Eric Christopher | 3105627 | 2013-04-04 06:29:47 +0000 | [diff] [blame] | 79 | CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 80 | CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled. |
| 81 | CODEGENOPT(NoInfsFPMath , 1, 0) ///< Assume FP arguments, results not +-Inf. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 82 | CODEGENOPT(NoSignedZeros , 1, 0) ///< Allow ignoring the signedness of FP zero |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 83 | CODEGENOPT(ReciprocalMath , 1, 0) ///< Allow FP divisions to be reassociated. |
| 84 | CODEGENOPT(NoInline , 1, 0) ///< Set when -fno-inline is enabled. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 85 | ///< Disables use of the inline keyword. |
| 86 | CODEGENOPT(NoNaNsFPMath , 1, 0) ///< Assume FP arguments, results not NaN. |
| 87 | CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss. |
| 88 | /// \brief Method of Objective-C dispatch to use. |
| 89 | ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy) |
| 90 | CODEGENOPT(OmitLeafFramePointer , 1, 0) ///< Set when -momit-leaf-frame-pointer is |
| 91 | ///< enabled. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 92 | VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 93 | VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified. |
John McCall | b8b5297 | 2013-06-18 02:46:29 +0000 | [diff] [blame] | 94 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 95 | CODEGENOPT(ProfileInstrGenerate , 1, 0) ///< Instrument code to generate |
| 96 | ///< execution counts to use with PGO. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 97 | CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to |
| 98 | ///< enable code coverage analysis. |
| 99 | CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping |
| 100 | ///< regions. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 101 | |
John McCall | b8b5297 | 2013-06-18 02:46:29 +0000 | [diff] [blame] | 102 | /// If -fpcc-struct-return or -freg-struct-return is specified. |
| 103 | ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default) |
| 104 | |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 105 | CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions. |
| 106 | CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled. |
Manman Ren | b37a73d | 2013-04-04 21:53:22 +0000 | [diff] [blame] | 107 | CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 108 | CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels. |
Alexey Samsonov | 4bdc604 | 2013-01-20 13:12:12 +0000 | [diff] [blame] | 109 | CODEGENOPT(SanitizeAddressZeroBaseShadow , 1, 0) ///< Map shadow memory at zero |
| 110 | ///< offset in AddressSanitizer. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 111 | CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in |
Alexey Samsonov | 4bdc604 | 2013-01-20 13:12:12 +0000 | [diff] [blame] | 112 | ///< MemorySanitizer |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 113 | CODEGENOPT(SanitizeCoverage, 3, 0) ///< Enable sanitizer coverage instrumentation. |
Chad Rosier | 78d85b1 | 2013-01-29 23:31:22 +0000 | [diff] [blame] | 114 | CODEGENOPT(SanitizeUndefinedTrapOnError, 1, 0) ///< Set on |
| 115 | /// -fsanitize-undefined-trap-on-error |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 116 | CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled. |
| 117 | CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float. |
| 118 | CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition. |
| 119 | CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report is enabled. |
| 120 | CODEGENOPT(UnitAtATime , 1, 1) ///< Unused. For mirroring GCC optimization |
| 121 | ///< selection. |
| 122 | CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled. |
Hal Finkel | ce5b5f1 | 2013-11-17 16:03:29 +0000 | [diff] [blame] | 123 | CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 124 | CODEGENOPT(UnsafeFPMath , 1, 0) ///< Allow unsafe floating point optzns. |
| 125 | CODEGENOPT(UnwindTables , 1, 0) ///< Emit unwind tables. |
Nick Lewycky | fdf137b | 2013-06-25 01:49:44 +0000 | [diff] [blame] | 126 | CODEGENOPT(VectorizeBB , 1, 0) ///< Run basic block vectorizer. |
| 127 | CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer. |
| 128 | CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 129 | |
| 130 | /// Attempt to use register sized accesses to bit-fields in structures, when |
| 131 | /// possible. |
| 132 | CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0) |
| 133 | |
| 134 | CODEGENOPT(VerifyModule , 1, 1) ///< Control whether the module should be run |
| 135 | ///< through the LLVM Verifier. |
| 136 | |
| 137 | CODEGENOPT(StackRealignment , 1, 0) ///< Control whether to permit stack |
| 138 | ///< realignment. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 139 | CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or |
| 140 | ///< .ctors. |
| 141 | VALUE_CODEGENOPT(StackAlignment , 32, 0) ///< Overrides default stack |
| 142 | ///< alignment, if not 0. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 143 | VALUE_CODEGENOPT(StackProbeSize , 32, 4096) ///< Overrides default stack |
| 144 | ///< probe size, even if 0. |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 145 | CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information |
| 146 | ///< in debug info. |
| 147 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 148 | CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists. |
| 149 | |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 150 | /// The user specified number of registers to be used for integral arguments, |
| 151 | /// or 0 if unspecified. |
| 152 | VALUE_CODEGENOPT(NumRegisterParameters, 32, 0) |
| 153 | |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 154 | /// The lower bound for a buffer to be considered for stack protection. |
| 155 | VALUE_CODEGENOPT(SSPBufferSize, 32, 0) |
| 156 | |
| 157 | /// The kind of generated debug info. |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 158 | ENUM_CODEGENOPT(DebugInfo, DebugInfoKind, 3, NoDebugInfo) |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 159 | |
Manman Ren | fc0f91c | 2013-06-19 01:46:49 +0000 | [diff] [blame] | 160 | /// Dwarf version. |
| 161 | VALUE_CODEGENOPT(DwarfVersion, 3, 0) |
| 162 | |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 163 | /// The kind of inlining to perform. |
| 164 | ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NoInlining) |
| 165 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 166 | // Vector functions library to use. |
| 167 | ENUM_CODEGENOPT(VecLib, VectorLibrary, 1, NoLibrary) |
| 168 | |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 169 | /// The default TLS model to use. |
| 170 | ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel) |
| 171 | |
Douglas Gregor | 4cdad31 | 2012-10-23 20:05:01 +0000 | [diff] [blame] | 172 | #undef CODEGENOPT |
| 173 | #undef ENUM_CODEGENOPT |
| 174 | #undef VALUE_CODEGENOPT |
| 175 | |