| 1 | //===-- llvm/TargetParser/Triple.h - Target triple helper class--*- C++ -*-===// | 
| 2 | // | 
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
| 4 | // See https://llvm.org/LICENSE.txt for license information. | 
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
| 6 | // | 
| 7 | //===----------------------------------------------------------------------===// | 
| 8 |  | 
| 9 | #ifndef LLVM_TARGETPARSER_TRIPLE_H | 
| 10 | #define LLVM_TARGETPARSER_TRIPLE_H | 
| 11 |  | 
| 12 | #include "llvm/ADT/Twine.h" | 
| 13 | #include "llvm/Support/VersionTuple.h" | 
| 14 |  | 
| 15 | // Some system headers or GCC predefined macros conflict with identifiers in | 
| 16 | // this file.  Undefine them here. | 
| 17 | #undef NetBSD | 
| 18 | #undef mips | 
| 19 | #undef sparc | 
| 20 |  | 
| 21 | namespace llvm { | 
| 22 |  | 
| 23 | /// Triple - Helper class for working with autoconf configuration names. For | 
| 24 | /// historical reasons, we also call these 'triples' (they used to contain | 
| 25 | /// exactly three fields). | 
| 26 | /// | 
| 27 | /// Configuration names are strings in the canonical form: | 
| 28 | ///   ARCHITECTURE-VENDOR-OPERATING_SYSTEM | 
| 29 | /// or | 
| 30 | ///   ARCHITECTURE-VENDOR-OPERATING_SYSTEM-ENVIRONMENT | 
| 31 | /// | 
| 32 | /// This class is used for clients which want to support arbitrary | 
| 33 | /// configuration names, but also want to implement certain special | 
| 34 | /// behavior for particular configurations. This class isolates the mapping | 
| 35 | /// from the components of the configuration name to well known IDs. | 
| 36 | /// | 
| 37 | /// At its core the Triple class is designed to be a wrapper for a triple | 
| 38 | /// string; the constructor does not change or normalize the triple string. | 
| 39 | /// Clients that need to handle the non-canonical triples that users often | 
| 40 | /// specify should use the normalize method. | 
| 41 | /// | 
| 42 | /// See autoconf/config.guess for a glimpse into what configuration names | 
| 43 | /// look like in practice. | 
| 44 | class Triple { | 
| 45 | public: | 
| 46 |   enum ArchType { | 
| 47 |     UnknownArch, | 
| 48 |  | 
| 49 |     arm,            // ARM (little endian): arm, armv.*, xscale | 
| 50 |     armeb,          // ARM (big endian): armeb | 
| 51 |     aarch64,        // AArch64 (little endian): aarch64 | 
| 52 |     aarch64_be,     // AArch64 (big endian): aarch64_be | 
| 53 |     aarch64_32,     // AArch64 (little endian) ILP32: aarch64_32 | 
| 54 |     arc,            // ARC: Synopsys ARC | 
| 55 |     avr,            // AVR: Atmel AVR microcontroller | 
| 56 |     bpfel,          // eBPF or extended BPF or 64-bit BPF (little endian) | 
| 57 |     bpfeb,          // eBPF or extended BPF or 64-bit BPF (big endian) | 
| 58 |     csky,           // CSKY: csky | 
| 59 |     dxil,           // DXIL 32-bit DirectX bytecode | 
| 60 |     hexagon,        // Hexagon: hexagon | 
| 61 |     loongarch32,    // LoongArch (32-bit): loongarch32 | 
| 62 |     loongarch64,    // LoongArch (64-bit): loongarch64 | 
| 63 |     m68k,           // M68k: Motorola 680x0 family | 
| 64 |     mips,           // MIPS: mips, mipsallegrex, mipsr6 | 
| 65 |     mipsel,         // MIPSEL: mipsel, mipsallegrexe, mipsr6el | 
| 66 |     mips64,         // MIPS64: mips64, mips64r6, mipsn32, mipsn32r6 | 
| 67 |     mips64el,       // MIPS64EL: mips64el, mips64r6el, mipsn32el, mipsn32r6el | 
| 68 |     msp430,         // MSP430: msp430 | 
| 69 |     ppc,            // PPC: powerpc | 
| 70 |     ppcle,          // PPCLE: powerpc (little endian) | 
| 71 |     ppc64,          // PPC64: powerpc64, ppu | 
| 72 |     ppc64le,        // PPC64LE: powerpc64le | 
| 73 |     r600,           // R600: AMD GPUs HD2XXX - HD6XXX | 
| 74 |     amdgcn,         // AMDGCN: AMD GCN GPUs | 
| 75 |     riscv32,        // RISC-V (32-bit): riscv32 | 
| 76 |     riscv64,        // RISC-V (64-bit): riscv64 | 
| 77 |     sparc,          // Sparc: sparc | 
| 78 |     sparcv9,        // Sparcv9: Sparcv9 | 
| 79 |     sparcel,        // Sparc: (endianness = little). NB: 'Sparcle' is a CPU variant | 
| 80 |     systemz,        // SystemZ: s390x | 
| 81 |     tce,            // TCE (http://tce.cs.tut.fi/): tce | 
| 82 |     tcele,          // TCE little endian (http://tce.cs.tut.fi/): tcele | 
| 83 |     thumb,          // Thumb (little endian): thumb, thumbv.* | 
| 84 |     thumbeb,        // Thumb (big endian): thumbeb | 
| 85 |     x86,            // X86: i[3-9]86 | 
| 86 |     x86_64,         // X86-64: amd64, x86_64 | 
| 87 |     xcore,          // XCore: xcore | 
| 88 |     xtensa,         // Tensilica: Xtensa | 
| 89 |     nvptx,          // NVPTX: 32-bit | 
| 90 |     nvptx64,        // NVPTX: 64-bit | 
| 91 |     le32,           // le32: generic little-endian 32-bit CPU (PNaCl) | 
| 92 |     le64,           // le64: generic little-endian 64-bit CPU (PNaCl) | 
| 93 |     amdil,          // AMDIL | 
| 94 |     amdil64,        // AMDIL with 64-bit pointers | 
| 95 |     hsail,          // AMD HSAIL | 
| 96 |     hsail64,        // AMD HSAIL with 64-bit pointers | 
| 97 |     spir,           // SPIR: standard portable IR for OpenCL 32-bit version | 
| 98 |     spir64,         // SPIR: standard portable IR for OpenCL 64-bit version | 
| 99 |     spirv32,        // SPIR-V with 32-bit pointers | 
| 100 |     spirv64,        // SPIR-V with 64-bit pointers | 
| 101 |     kalimba,        // Kalimba: generic kalimba | 
| 102 |     shave,          // SHAVE: Movidius vector VLIW processors | 
| 103 |     lanai,          // Lanai: Lanai 32-bit | 
| 104 |     wasm32,         // WebAssembly with 32-bit pointers | 
| 105 |     wasm64,         // WebAssembly with 64-bit pointers | 
| 106 |     renderscript32, // 32-bit RenderScript | 
| 107 |     renderscript64, // 64-bit RenderScript | 
| 108 |     ve,             // NEC SX-Aurora Vector Engine | 
| 109 |     LastArchType = ve | 
| 110 |   }; | 
| 111 |   enum SubArchType { | 
| 112 |     NoSubArch, | 
| 113 |  | 
| 114 |     ARMSubArch_v9_4a, | 
| 115 |     ARMSubArch_v9_3a, | 
| 116 |     ARMSubArch_v9_2a, | 
| 117 |     ARMSubArch_v9_1a, | 
| 118 |     ARMSubArch_v9, | 
| 119 |     ARMSubArch_v8_9a, | 
| 120 |     ARMSubArch_v8_8a, | 
| 121 |     ARMSubArch_v8_7a, | 
| 122 |     ARMSubArch_v8_6a, | 
| 123 |     ARMSubArch_v8_5a, | 
| 124 |     ARMSubArch_v8_4a, | 
| 125 |     ARMSubArch_v8_3a, | 
| 126 |     ARMSubArch_v8_2a, | 
| 127 |     ARMSubArch_v8_1a, | 
| 128 |     ARMSubArch_v8, | 
| 129 |     ARMSubArch_v8r, | 
| 130 |     ARMSubArch_v8m_baseline, | 
| 131 |     ARMSubArch_v8m_mainline, | 
| 132 |     ARMSubArch_v8_1m_mainline, | 
| 133 |     ARMSubArch_v7, | 
| 134 |     ARMSubArch_v7em, | 
| 135 |     ARMSubArch_v7m, | 
| 136 |     ARMSubArch_v7s, | 
| 137 |     ARMSubArch_v7k, | 
| 138 |     ARMSubArch_v7ve, | 
| 139 |     ARMSubArch_v6, | 
| 140 |     ARMSubArch_v6m, | 
| 141 |     ARMSubArch_v6k, | 
| 142 |     ARMSubArch_v6t2, | 
| 143 |     ARMSubArch_v5, | 
| 144 |     ARMSubArch_v5te, | 
| 145 |     ARMSubArch_v4t, | 
| 146 |  | 
| 147 |     AArch64SubArch_arm64e, | 
| 148 |     AArch64SubArch_arm64ec, | 
| 149 |  | 
| 150 |     KalimbaSubArch_v3, | 
| 151 |     KalimbaSubArch_v4, | 
| 152 |     KalimbaSubArch_v5, | 
| 153 |  | 
| 154 |     MipsSubArch_r6, | 
| 155 |  | 
| 156 |     PPCSubArch_spe, | 
| 157 |  | 
| 158 |     // SPIR-V sub-arch corresponds to its version. | 
| 159 |     SPIRVSubArch_v10, | 
| 160 |     SPIRVSubArch_v11, | 
| 161 |     SPIRVSubArch_v12, | 
| 162 |     SPIRVSubArch_v13, | 
| 163 |     SPIRVSubArch_v14, | 
| 164 |     SPIRVSubArch_v15, | 
| 165 |   }; | 
| 166 |   enum VendorType { | 
| 167 |     UnknownVendor, | 
| 168 |  | 
| 169 |     Apple, | 
| 170 |     PC, | 
| 171 |     SCEI, | 
| 172 |     Freescale, | 
| 173 |     IBM, | 
| 174 |     ImaginationTechnologies, | 
| 175 |     MipsTechnologies, | 
| 176 |     NVIDIA, | 
| 177 |     CSR, | 
| 178 |     Myriad, | 
| 179 |     AMD, | 
| 180 |     Mesa, | 
| 181 |     SUSE, | 
| 182 |     OpenEmbedded, | 
| 183 |     LastVendorType = OpenEmbedded | 
| 184 |   }; | 
| 185 |   enum OSType { | 
| 186 |     UnknownOS, | 
| 187 |  | 
| 188 |     Ananas, | 
| 189 |     CloudABI, | 
| 190 |     Darwin, | 
| 191 |     DragonFly, | 
| 192 |     FreeBSD, | 
| 193 |     Fuchsia, | 
| 194 |     IOS, | 
| 195 |     KFreeBSD, | 
| 196 |     Linux, | 
| 197 |     Lv2,        // PS3 | 
| 198 |     MacOSX, | 
| 199 |     NetBSD, | 
| 200 |     OpenBSD, | 
| 201 |     Solaris, | 
| 202 |     UEFI, | 
| 203 |     Win32, | 
| 204 |     ZOS, | 
| 205 |     Haiku, | 
| 206 |     Minix, | 
| 207 |     RTEMS, | 
| 208 |     NaCl,       // Native Client | 
| 209 |     AIX, | 
| 210 |     CUDA,       // NVIDIA CUDA | 
| 211 |     NVCL,       // NVIDIA OpenCL | 
| 212 |     AMDHSA,     // AMD HSA Runtime | 
| 213 |     PS4, | 
| 214 |     PS5, | 
| 215 |     ELFIAMCU, | 
| 216 |     TvOS,       // Apple tvOS | 
| 217 |     WatchOS,    // Apple watchOS | 
| 218 |     DriverKit,  // Apple DriverKit | 
| 219 |     Mesa3D, | 
| 220 |     Contiki, | 
| 221 |     AMDPAL,     // AMD PAL Runtime | 
| 222 |     HermitCore, // HermitCore Unikernel/Multikernel | 
| 223 |     Hurd,       // GNU/Hurd | 
| 224 |     WASI,       // Experimental WebAssembly OS | 
| 225 |     Emscripten, | 
| 226 |     ShaderModel, // DirectX ShaderModel | 
| 227 |     LiteOS, | 
| 228 |     LastOSType = LiteOS | 
| 229 |   }; | 
| 230 |   enum EnvironmentType { | 
| 231 |     UnknownEnvironment, | 
| 232 |  | 
| 233 |     GNU, | 
| 234 |     GNUABIN32, | 
| 235 |     GNUABI64, | 
| 236 |     GNUEABI, | 
| 237 |     GNUEABIHF, | 
| 238 |     GNUF32, | 
| 239 |     GNUF64, | 
| 240 |     GNUSF, | 
| 241 |     GNUX32, | 
| 242 |     GNUILP32, | 
| 243 |     CODE16, | 
| 244 |     EABI, | 
| 245 |     EABIHF, | 
| 246 |     Android, | 
| 247 |     Musl, | 
| 248 |     MuslEABI, | 
| 249 |     MuslEABIHF, | 
| 250 |     MuslX32, | 
| 251 |  | 
| 252 |     MSVC, | 
| 253 |     Itanium, | 
| 254 |     Cygnus, | 
| 255 |     CoreCLR, | 
| 256 |     Simulator, // Simulator variants of other systems, e.g., Apple's iOS | 
| 257 |     MacABI, // Mac Catalyst variant of Apple's iOS deployment target. | 
| 258 |  | 
| 259 |     // Shader Stages | 
| 260 |     // The order of these values matters, and must be kept in sync with the | 
| 261 |     // language options enum in Clang. The ordering is enforced in | 
| 262 |     // static_asserts in Triple.cpp and in Clang. | 
| 263 |     Pixel, | 
| 264 |     Vertex, | 
| 265 |     Geometry, | 
| 266 |     Hull, | 
| 267 |     Domain, | 
| 268 |     Compute, | 
| 269 |     Library, | 
| 270 |     RayGeneration, | 
| 271 |     Intersection, | 
| 272 |     AnyHit, | 
| 273 |     ClosestHit, | 
| 274 |     Miss, | 
| 275 |     Callable, | 
| 276 |     Mesh, | 
| 277 |     Amplification, | 
| 278 |     OpenHOS, | 
| 279 |     LastEnvironmentType = OpenHOS | 
| 280 |   }; | 
| 281 |   enum ObjectFormatType { | 
| 282 |     UnknownObjectFormat, | 
| 283 |  | 
| 284 |     COFF, | 
| 285 |     DXContainer, | 
| 286 |     ELF, | 
| 287 |     GOFF, | 
| 288 |     MachO, | 
| 289 |     SPIRV, | 
| 290 |     Wasm, | 
| 291 |     XCOFF, | 
| 292 |   }; | 
| 293 |  | 
| 294 | private: | 
| 295 |   std::string Data; | 
| 296 |  | 
| 297 |   /// The parsed arch type. | 
| 298 |   ArchType Arch{}; | 
| 299 |  | 
| 300 |   /// The parsed subarchitecture type. | 
| 301 |   SubArchType SubArch{}; | 
| 302 |  | 
| 303 |   /// The parsed vendor type. | 
| 304 |   VendorType Vendor{}; | 
| 305 |  | 
| 306 |   /// The parsed OS type. | 
| 307 |   OSType OS{}; | 
| 308 |  | 
| 309 |   /// The parsed Environment type. | 
| 310 |   EnvironmentType Environment{}; | 
| 311 |  | 
| 312 |   /// The object format type. | 
| 313 |   ObjectFormatType ObjectFormat{}; | 
| 314 |  | 
| 315 | public: | 
| 316 |   /// @name Constructors | 
| 317 |   /// @{ | 
| 318 |  | 
| 319 |   /// Default constructor is the same as an empty string and leaves all | 
| 320 |   /// triple fields unknown. | 
| 321 |   Triple() = default; | 
| 322 |  | 
| 323 |   explicit Triple(const Twine &Str); | 
| 324 |   Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr); | 
| 325 |   Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr, | 
| 326 |          const Twine &EnvironmentStr); | 
| 327 |  | 
| 328 |   bool operator==(const Triple &Other) const { | 
| 329 |     return Arch == Other.Arch && SubArch == Other.SubArch && | 
| 330 |            Vendor == Other.Vendor && OS == Other.OS && | 
| 331 |            Environment == Other.Environment && | 
| 332 |            ObjectFormat == Other.ObjectFormat; | 
| 333 |   } | 
| 334 |  | 
| 335 |   bool operator!=(const Triple &Other) const { | 
| 336 |     return !(*this == Other); | 
| 337 |   } | 
| 338 |  | 
| 339 |   /// @} | 
| 340 |   /// @name Normalization | 
| 341 |   /// @{ | 
| 342 |  | 
| 343 |   /// Turn an arbitrary machine specification into the canonical triple form (or | 
| 344 |   /// something sensible that the Triple class understands if nothing better can | 
| 345 |   /// reasonably be done).  In particular, it handles the common case in which | 
| 346 |   /// otherwise valid components are in the wrong order. | 
| 347 |   static std::string normalize(StringRef Str); | 
| 348 |  | 
| 349 |   /// Return the normalized form of this triple's string. | 
| 350 |   std::string normalize() const { return normalize(Str: Data); } | 
| 351 |  | 
| 352 |   /// @} | 
| 353 |   /// @name Typed Component Access | 
| 354 |   /// @{ | 
| 355 |  | 
| 356 |   /// Get the parsed architecture type of this triple. | 
| 357 |   ArchType getArch() const { return Arch; } | 
| 358 |  | 
| 359 |   /// get the parsed subarchitecture type for this triple. | 
| 360 |   SubArchType getSubArch() const { return SubArch; } | 
| 361 |  | 
| 362 |   /// Get the parsed vendor type of this triple. | 
| 363 |   VendorType getVendor() const { return Vendor; } | 
| 364 |  | 
| 365 |   /// Get the parsed operating system type of this triple. | 
| 366 |   OSType getOS() const { return OS; } | 
| 367 |  | 
| 368 |   /// Does this triple have the optional environment (fourth) component? | 
| 369 |   bool hasEnvironment() const { | 
| 370 |     return getEnvironmentName() != "" ; | 
| 371 |   } | 
| 372 |  | 
| 373 |   /// Get the parsed environment type of this triple. | 
| 374 |   EnvironmentType getEnvironment() const { return Environment; } | 
| 375 |  | 
| 376 |   /// Parse the version number from the OS name component of the | 
| 377 |   /// triple, if present. | 
| 378 |   /// | 
| 379 |   /// For example, "fooos1.2.3" would return (1, 2, 3). | 
| 380 |   VersionTuple getEnvironmentVersion() const; | 
| 381 |  | 
| 382 |   /// Get the object format for this triple. | 
| 383 |   ObjectFormatType getObjectFormat() const { return ObjectFormat; } | 
| 384 |  | 
| 385 |   /// Parse the version number from the OS name component of the triple, if | 
| 386 |   /// present. | 
| 387 |   /// | 
| 388 |   /// For example, "fooos1.2.3" would return (1, 2, 3). | 
| 389 |   VersionTuple getOSVersion() const; | 
| 390 |  | 
| 391 |   /// Return just the major version number, this is specialized because it is a | 
| 392 |   /// common query. | 
| 393 |   unsigned getOSMajorVersion() const { return getOSVersion().getMajor(); } | 
| 394 |  | 
| 395 |   /// Parse the version number as with getOSVersion and then translate generic | 
| 396 |   /// "darwin" versions to the corresponding OS X versions.  This may also be | 
| 397 |   /// called with IOS triples but the OS X version number is just set to a | 
| 398 |   /// constant 10.4.0 in that case.  Returns true if successful. | 
| 399 |   bool getMacOSXVersion(VersionTuple &Version) const; | 
| 400 |  | 
| 401 |   /// Parse the version number as with getOSVersion.  This should only be called | 
| 402 |   /// with IOS or generic triples. | 
| 403 |   VersionTuple getiOSVersion() const; | 
| 404 |  | 
| 405 |   /// Parse the version number as with getOSVersion.  This should only be called | 
| 406 |   /// with WatchOS or generic triples. | 
| 407 |   VersionTuple getWatchOSVersion() const; | 
| 408 |  | 
| 409 |   /// Parse the version number as with getOSVersion. | 
| 410 |   VersionTuple getDriverKitVersion() const; | 
| 411 |  | 
| 412 |   /// @} | 
| 413 |   /// @name Direct Component Access | 
| 414 |   /// @{ | 
| 415 |  | 
| 416 |   const std::string &str() const { return Data; } | 
| 417 |  | 
| 418 |   const std::string &getTriple() const { return Data; } | 
| 419 |  | 
| 420 |   /// Get the architecture (first) component of the triple. | 
| 421 |   StringRef getArchName() const; | 
| 422 |  | 
| 423 |   /// Get the architecture name based on Kind and SubArch. | 
| 424 |   StringRef getArchName(ArchType Kind, SubArchType SubArch = NoSubArch) const; | 
| 425 |  | 
| 426 |   /// Get the vendor (second) component of the triple. | 
| 427 |   StringRef getVendorName() const; | 
| 428 |  | 
| 429 |   /// Get the operating system (third) component of the triple. | 
| 430 |   StringRef getOSName() const; | 
| 431 |  | 
| 432 |   /// Get the optional environment (fourth) component of the triple, or "" if | 
| 433 |   /// empty. | 
| 434 |   StringRef getEnvironmentName() const; | 
| 435 |  | 
| 436 |   /// Get the operating system and optional environment components as a single | 
| 437 |   /// string (separated by a '-' if the environment component is present). | 
| 438 |   StringRef getOSAndEnvironmentName() const; | 
| 439 |  | 
| 440 |   /// @} | 
| 441 |   /// @name Convenience Predicates | 
| 442 |   /// @{ | 
| 443 |  | 
| 444 |   /// Test whether the architecture is 64-bit | 
| 445 |   /// | 
| 446 |   /// Note that this tests for 64-bit pointer width, and nothing else. Note | 
| 447 |   /// that we intentionally expose only three predicates, 64-bit, 32-bit, and | 
| 448 |   /// 16-bit. The inner details of pointer width for particular architectures | 
| 449 |   /// is not summed up in the triple, and so only a coarse grained predicate | 
| 450 |   /// system is provided. | 
| 451 |   bool isArch64Bit() const; | 
| 452 |  | 
| 453 |   /// Test whether the architecture is 32-bit | 
| 454 |   /// | 
| 455 |   /// Note that this tests for 32-bit pointer width, and nothing else. | 
| 456 |   bool isArch32Bit() const; | 
| 457 |  | 
| 458 |   /// Test whether the architecture is 16-bit | 
| 459 |   /// | 
| 460 |   /// Note that this tests for 16-bit pointer width, and nothing else. | 
| 461 |   bool isArch16Bit() const; | 
| 462 |  | 
| 463 |   /// Helper function for doing comparisons against version numbers included in | 
| 464 |   /// the target triple. | 
| 465 |   bool isOSVersionLT(unsigned Major, unsigned Minor = 0, | 
| 466 |                      unsigned Micro = 0) const { | 
| 467 |     if (Minor == 0) { | 
| 468 |       return getOSVersion() < VersionTuple(Major); | 
| 469 |     } | 
| 470 |     if (Micro == 0) { | 
| 471 |       return getOSVersion() < VersionTuple(Major, Minor); | 
| 472 |     } | 
| 473 |     return getOSVersion() < VersionTuple(Major, Minor, Micro); | 
| 474 |   } | 
| 475 |  | 
| 476 |   bool isOSVersionLT(const Triple &Other) const { | 
| 477 |     return getOSVersion() < Other.getOSVersion(); | 
| 478 |   } | 
| 479 |  | 
| 480 |   /// Comparison function for checking OS X version compatibility, which handles | 
| 481 |   /// supporting skewed version numbering schemes used by the "darwin" triples. | 
| 482 |   bool isMacOSXVersionLT(unsigned Major, unsigned Minor = 0, | 
| 483 |                          unsigned Micro = 0) const; | 
| 484 |  | 
| 485 |   /// Is this a Mac OS X triple. For legacy reasons, we support both "darwin" | 
| 486 |   /// and "osx" as OS X triples. | 
| 487 |   bool isMacOSX() const { | 
| 488 |     return getOS() == Triple::Darwin || getOS() == Triple::MacOSX; | 
| 489 |   } | 
| 490 |  | 
| 491 |   /// Is this an iOS triple. | 
| 492 |   /// Note: This identifies tvOS as a variant of iOS. If that ever | 
| 493 |   /// changes, i.e., if the two operating systems diverge or their version | 
| 494 |   /// numbers get out of sync, that will need to be changed. | 
| 495 |   /// watchOS has completely different version numbers so it is not included. | 
| 496 |   bool isiOS() const { | 
| 497 |     return getOS() == Triple::IOS || isTvOS(); | 
| 498 |   } | 
| 499 |  | 
| 500 |   /// Is this an Apple tvOS triple. | 
| 501 |   bool isTvOS() const { | 
| 502 |     return getOS() == Triple::TvOS; | 
| 503 |   } | 
| 504 |  | 
| 505 |   /// Is this an Apple watchOS triple. | 
| 506 |   bool isWatchOS() const { | 
| 507 |     return getOS() == Triple::WatchOS; | 
| 508 |   } | 
| 509 |  | 
| 510 |   bool isWatchABI() const { | 
| 511 |     return getSubArch() == Triple::ARMSubArch_v7k; | 
| 512 |   } | 
| 513 |  | 
| 514 |   /// Is this an Apple DriverKit triple. | 
| 515 |   bool isDriverKit() const { return getOS() == Triple::DriverKit; } | 
| 516 |  | 
| 517 |   bool isOSzOS() const { return getOS() == Triple::ZOS; } | 
| 518 |  | 
| 519 |   /// Is this a "Darwin" OS (macOS, iOS, tvOS, watchOS, or DriverKit). | 
| 520 |   bool isOSDarwin() const { | 
| 521 |     return isMacOSX() || isiOS() || isWatchOS() || isDriverKit(); | 
| 522 |   } | 
| 523 |  | 
| 524 |   bool isSimulatorEnvironment() const { | 
| 525 |     return getEnvironment() == Triple::Simulator; | 
| 526 |   } | 
| 527 |  | 
| 528 |   bool isMacCatalystEnvironment() const { | 
| 529 |     return getEnvironment() == Triple::MacABI; | 
| 530 |   } | 
| 531 |  | 
| 532 |   /// Returns true for targets that run on a macOS machine. | 
| 533 |   bool isTargetMachineMac() const { | 
| 534 |     return isMacOSX() || (isOSDarwin() && (isSimulatorEnvironment() || | 
| 535 |                                            isMacCatalystEnvironment())); | 
| 536 |   } | 
| 537 |  | 
| 538 |   bool isOSNetBSD() const { | 
| 539 |     return getOS() == Triple::NetBSD; | 
| 540 |   } | 
| 541 |  | 
| 542 |   bool isOSOpenBSD() const { | 
| 543 |     return getOS() == Triple::OpenBSD; | 
| 544 |   } | 
| 545 |  | 
| 546 |   bool isOSFreeBSD() const { | 
| 547 |     return getOS() == Triple::FreeBSD; | 
| 548 |   } | 
| 549 |  | 
| 550 |   bool isOSFuchsia() const { | 
| 551 |     return getOS() == Triple::Fuchsia; | 
| 552 |   } | 
| 553 |  | 
| 554 |   bool isOSDragonFly() const { return getOS() == Triple::DragonFly; } | 
| 555 |  | 
| 556 |   bool isOSSolaris() const { | 
| 557 |     return getOS() == Triple::Solaris; | 
| 558 |   } | 
| 559 |  | 
| 560 |   bool isOSIAMCU() const { | 
| 561 |     return getOS() == Triple::ELFIAMCU; | 
| 562 |   } | 
| 563 |  | 
| 564 |   bool isOSUnknown() const { return getOS() == Triple::UnknownOS; } | 
| 565 |  | 
| 566 |   bool isGNUEnvironment() const { | 
| 567 |     EnvironmentType Env = getEnvironment(); | 
| 568 |     return Env == Triple::GNU || Env == Triple::GNUABIN32 || | 
| 569 |            Env == Triple::GNUABI64 || Env == Triple::GNUEABI || | 
| 570 |            Env == Triple::GNUEABIHF || Env == Triple::GNUF32 || | 
| 571 |            Env == Triple::GNUF64 || Env == Triple::GNUSF || | 
| 572 |            Env == Triple::GNUX32; | 
| 573 |   } | 
| 574 |  | 
| 575 |   bool isOSContiki() const { | 
| 576 |     return getOS() == Triple::Contiki; | 
| 577 |   } | 
| 578 |  | 
| 579 |   /// Tests whether the OS is Haiku. | 
| 580 |   bool isOSHaiku() const { | 
| 581 |     return getOS() == Triple::Haiku; | 
| 582 |   } | 
| 583 |  | 
| 584 |   /// Tests whether the OS is UEFI. | 
| 585 |   bool isUEFI() const { | 
| 586 |     return getOS() == Triple::UEFI; | 
| 587 |   } | 
| 588 |  | 
| 589 |   /// Tests whether the OS is Windows. | 
| 590 |   bool isOSWindows() const { | 
| 591 |     return getOS() == Triple::Win32; | 
| 592 |   } | 
| 593 |  | 
| 594 |   /// Checks if the environment is MSVC. | 
| 595 |   bool isKnownWindowsMSVCEnvironment() const { | 
| 596 |     return isOSWindows() && getEnvironment() == Triple::MSVC; | 
| 597 |   } | 
| 598 |  | 
| 599 |   /// Checks if the environment could be MSVC. | 
| 600 |   bool isWindowsMSVCEnvironment() const { | 
| 601 |     return isKnownWindowsMSVCEnvironment() || | 
| 602 |            (isOSWindows() && getEnvironment() == Triple::UnknownEnvironment); | 
| 603 |   } | 
| 604 |  | 
| 605 |   // Checks if we're using the Windows Arm64EC ABI. | 
| 606 |   bool isWindowsArm64EC() const { | 
| 607 |     return getArch() == Triple::aarch64 && | 
| 608 |            getSubArch() == Triple::AArch64SubArch_arm64ec; | 
| 609 |   } | 
| 610 |  | 
| 611 |   bool isWindowsCoreCLREnvironment() const { | 
| 612 |     return isOSWindows() && getEnvironment() == Triple::CoreCLR; | 
| 613 |   } | 
| 614 |  | 
| 615 |   bool isWindowsItaniumEnvironment() const { | 
| 616 |     return isOSWindows() && getEnvironment() == Triple::Itanium; | 
| 617 |   } | 
| 618 |  | 
| 619 |   bool isWindowsCygwinEnvironment() const { | 
| 620 |     return isOSWindows() && getEnvironment() == Triple::Cygnus; | 
| 621 |   } | 
| 622 |  | 
| 623 |   bool isWindowsGNUEnvironment() const { | 
| 624 |     return isOSWindows() && getEnvironment() == Triple::GNU; | 
| 625 |   } | 
| 626 |  | 
| 627 |   /// Tests for either Cygwin or MinGW OS | 
| 628 |   bool isOSCygMing() const { | 
| 629 |     return isWindowsCygwinEnvironment() || isWindowsGNUEnvironment(); | 
| 630 |   } | 
| 631 |  | 
| 632 |   /// Is this a "Windows" OS targeting a "MSVCRT.dll" environment. | 
| 633 |   bool isOSMSVCRT() const { | 
| 634 |     return isWindowsMSVCEnvironment() || isWindowsGNUEnvironment() || | 
| 635 |            isWindowsItaniumEnvironment(); | 
| 636 |   } | 
| 637 |  | 
| 638 |   /// Tests whether the OS is NaCl (Native Client) | 
| 639 |   bool isOSNaCl() const { | 
| 640 |     return getOS() == Triple::NaCl; | 
| 641 |   } | 
| 642 |  | 
| 643 |   /// Tests whether the OS is Linux. | 
| 644 |   bool isOSLinux() const { | 
| 645 |     return getOS() == Triple::Linux; | 
| 646 |   } | 
| 647 |  | 
| 648 |   /// Tests whether the OS is kFreeBSD. | 
| 649 |   bool isOSKFreeBSD() const { | 
| 650 |     return getOS() == Triple::KFreeBSD; | 
| 651 |   } | 
| 652 |  | 
| 653 |   /// Tests whether the OS is Hurd. | 
| 654 |   bool isOSHurd() const { | 
| 655 |     return getOS() == Triple::Hurd; | 
| 656 |   } | 
| 657 |  | 
| 658 |   /// Tests whether the OS is WASI. | 
| 659 |   bool isOSWASI() const { | 
| 660 |     return getOS() == Triple::WASI; | 
| 661 |   } | 
| 662 |  | 
| 663 |   /// Tests whether the OS is Emscripten. | 
| 664 |   bool isOSEmscripten() const { | 
| 665 |     return getOS() == Triple::Emscripten; | 
| 666 |   } | 
| 667 |  | 
| 668 |   /// Tests whether the OS uses glibc. | 
| 669 |   bool isOSGlibc() const { | 
| 670 |     return (getOS() == Triple::Linux || getOS() == Triple::KFreeBSD || | 
| 671 |             getOS() == Triple::Hurd) && | 
| 672 |            !isAndroid(); | 
| 673 |   } | 
| 674 |  | 
| 675 |   /// Tests whether the OS is AIX. | 
| 676 |   bool isOSAIX() const { | 
| 677 |     return getOS() == Triple::AIX; | 
| 678 |   } | 
| 679 |  | 
| 680 |   /// Tests whether the OS uses the ELF binary format. | 
| 681 |   bool isOSBinFormatELF() const { | 
| 682 |     return getObjectFormat() == Triple::ELF; | 
| 683 |   } | 
| 684 |  | 
| 685 |   /// Tests whether the OS uses the COFF binary format. | 
| 686 |   bool isOSBinFormatCOFF() const { | 
| 687 |     return getObjectFormat() == Triple::COFF; | 
| 688 |   } | 
| 689 |  | 
| 690 |   /// Tests whether the OS uses the GOFF binary format. | 
| 691 |   bool isOSBinFormatGOFF() const { return getObjectFormat() == Triple::GOFF; } | 
| 692 |  | 
| 693 |   /// Tests whether the environment is MachO. | 
| 694 |   bool isOSBinFormatMachO() const { | 
| 695 |     return getObjectFormat() == Triple::MachO; | 
| 696 |   } | 
| 697 |  | 
| 698 |   /// Tests whether the OS uses the Wasm binary format. | 
| 699 |   bool isOSBinFormatWasm() const { | 
| 700 |     return getObjectFormat() == Triple::Wasm; | 
| 701 |   } | 
| 702 |  | 
| 703 |   /// Tests whether the OS uses the XCOFF binary format. | 
| 704 |   bool isOSBinFormatXCOFF() const { | 
| 705 |     return getObjectFormat() == Triple::XCOFF; | 
| 706 |   } | 
| 707 |  | 
| 708 |   /// Tests whether the OS uses the DXContainer binary format. | 
| 709 |   bool isOSBinFormatDXContainer() const { | 
| 710 |     return getObjectFormat() == Triple::DXContainer; | 
| 711 |   } | 
| 712 |  | 
| 713 |   /// Tests whether the target is the PS4 platform. | 
| 714 |   bool isPS4() const { | 
| 715 |     return getArch() == Triple::x86_64 && | 
| 716 |            getVendor() == Triple::SCEI && | 
| 717 |            getOS() == Triple::PS4; | 
| 718 |   } | 
| 719 |  | 
| 720 |   /// Tests whether the target is the PS5 platform. | 
| 721 |   bool isPS5() const { | 
| 722 |     return getArch() == Triple::x86_64 && | 
| 723 |       getVendor() == Triple::SCEI && | 
| 724 |       getOS() == Triple::PS5; | 
| 725 |   } | 
| 726 |  | 
| 727 |   /// Tests whether the target is the PS4 or PS5 platform. | 
| 728 |   bool isPS() const { return isPS4() || isPS5(); } | 
| 729 |  | 
| 730 |   /// Tests whether the target is Android | 
| 731 |   bool isAndroid() const { return getEnvironment() == Triple::Android; } | 
| 732 |  | 
| 733 |   bool isAndroidVersionLT(unsigned Major) const { | 
| 734 |     assert(isAndroid() && "Not an Android triple!" ); | 
| 735 |  | 
| 736 |     VersionTuple Version = getEnvironmentVersion(); | 
| 737 |  | 
| 738 |     // 64-bit targets did not exist before API level 21 (Lollipop). | 
| 739 |     if (isArch64Bit() && Version.getMajor() < 21) | 
| 740 |       return VersionTuple(21) < VersionTuple(Major); | 
| 741 |  | 
| 742 |     return Version < VersionTuple(Major); | 
| 743 |   } | 
| 744 |  | 
| 745 |   /// Tests whether the environment is musl-libc | 
| 746 |   bool isMusl() const { | 
| 747 |     return getEnvironment() == Triple::Musl || | 
| 748 |            getEnvironment() == Triple::MuslEABI || | 
| 749 |            getEnvironment() == Triple::MuslEABIHF || | 
| 750 |            getEnvironment() == Triple::MuslX32 || | 
| 751 |            getEnvironment() == Triple::OpenHOS || isOSLiteOS(); | 
| 752 |   } | 
| 753 |  | 
| 754 |   /// Tests whether the target is OHOS | 
| 755 |   /// LiteOS default enviroment is also OHOS, but omited on triple. | 
| 756 |   bool isOHOSFamily() const { return isOpenHOS() || isOSLiteOS(); } | 
| 757 |  | 
| 758 |   bool isOpenHOS() const { return getEnvironment() == Triple::OpenHOS; } | 
| 759 |  | 
| 760 |   bool isOSLiteOS() const { return getOS() == Triple::LiteOS; } | 
| 761 |  | 
| 762 |   /// Tests whether the target is DXIL. | 
| 763 |   bool isDXIL() const { | 
| 764 |     return getArch() == Triple::dxil; | 
| 765 |   } | 
| 766 |  | 
| 767 |   /// Tests whether the target is SPIR (32- or 64-bit). | 
| 768 |   bool isSPIR() const { | 
| 769 |     return getArch() == Triple::spir || getArch() == Triple::spir64; | 
| 770 |   } | 
| 771 |  | 
| 772 |   /// Tests whether the target is SPIR-V (32/64-bit). | 
| 773 |   bool isSPIRV() const { | 
| 774 |     return getArch() == Triple::spirv32 || getArch() == Triple::spirv64; | 
| 775 |   } | 
| 776 |  | 
| 777 |   /// Tests whether the target is NVPTX (32- or 64-bit). | 
| 778 |   bool isNVPTX() const { | 
| 779 |     return getArch() == Triple::nvptx || getArch() == Triple::nvptx64; | 
| 780 |   } | 
| 781 |  | 
| 782 |   /// Tests whether the target is AMDGCN | 
| 783 |   bool isAMDGCN() const { return getArch() == Triple::amdgcn; } | 
| 784 |  | 
| 785 |   bool isAMDGPU() const { | 
| 786 |     return getArch() == Triple::r600 || getArch() == Triple::amdgcn; | 
| 787 |   } | 
| 788 |  | 
| 789 |   /// Tests whether the target is Thumb (little and big endian). | 
| 790 |   bool isThumb() const { | 
| 791 |     return getArch() == Triple::thumb || getArch() == Triple::thumbeb; | 
| 792 |   } | 
| 793 |  | 
| 794 |   /// Tests whether the target is ARM (little and big endian). | 
| 795 |   bool isARM() const { | 
| 796 |     return getArch() == Triple::arm || getArch() == Triple::armeb; | 
| 797 |   } | 
| 798 |  | 
| 799 |   /// Tests whether the target supports the EHABI exception | 
| 800 |   /// handling standard. | 
| 801 |   bool isTargetEHABICompatible() const { | 
| 802 |     return (isARM() || isThumb()) && | 
| 803 |            (getEnvironment() == Triple::EABI || | 
| 804 |             getEnvironment() == Triple::GNUEABI || | 
| 805 |             getEnvironment() == Triple::MuslEABI || | 
| 806 |             getEnvironment() == Triple::EABIHF || | 
| 807 |             getEnvironment() == Triple::GNUEABIHF || | 
| 808 |             getEnvironment() == Triple::OpenHOS || | 
| 809 |             getEnvironment() == Triple::MuslEABIHF || isAndroid()) && | 
| 810 |            isOSBinFormatELF(); | 
| 811 |   } | 
| 812 |  | 
| 813 |   /// Tests whether the target is T32. | 
| 814 |   bool isArmT32() const { | 
| 815 |     switch (getSubArch()) { | 
| 816 |     case Triple::ARMSubArch_v8m_baseline: | 
| 817 |     case Triple::ARMSubArch_v7s: | 
| 818 |     case Triple::ARMSubArch_v7k: | 
| 819 |     case Triple::ARMSubArch_v7ve: | 
| 820 |     case Triple::ARMSubArch_v6: | 
| 821 |     case Triple::ARMSubArch_v6m: | 
| 822 |     case Triple::ARMSubArch_v6k: | 
| 823 |     case Triple::ARMSubArch_v6t2: | 
| 824 |     case Triple::ARMSubArch_v5: | 
| 825 |     case Triple::ARMSubArch_v5te: | 
| 826 |     case Triple::ARMSubArch_v4t: | 
| 827 |       return false; | 
| 828 |     default: | 
| 829 |       return true; | 
| 830 |     } | 
| 831 |   } | 
| 832 |  | 
| 833 |   /// Tests whether the target is an M-class. | 
| 834 |   bool isArmMClass() const { | 
| 835 |     switch (getSubArch()) { | 
| 836 |     case Triple::ARMSubArch_v6m: | 
| 837 |     case Triple::ARMSubArch_v7m: | 
| 838 |     case Triple::ARMSubArch_v7em: | 
| 839 |     case Triple::ARMSubArch_v8m_mainline: | 
| 840 |     case Triple::ARMSubArch_v8m_baseline: | 
| 841 |     case Triple::ARMSubArch_v8_1m_mainline: | 
| 842 |       return true; | 
| 843 |     default: | 
| 844 |       return false; | 
| 845 |     } | 
| 846 |   } | 
| 847 |  | 
| 848 |   /// Tests whether the target is AArch64 (little and big endian). | 
| 849 |   bool isAArch64() const { | 
| 850 |     return getArch() == Triple::aarch64 || getArch() == Triple::aarch64_be || | 
| 851 |            getArch() == Triple::aarch64_32; | 
| 852 |   } | 
| 853 |  | 
| 854 |   /// Tests whether the target is AArch64 and pointers are the size specified by | 
| 855 |   /// \p PointerWidth. | 
| 856 |   bool isAArch64(int PointerWidth) const { | 
| 857 |     assert(PointerWidth == 64 || PointerWidth == 32); | 
| 858 |     if (!isAArch64()) | 
| 859 |       return false; | 
| 860 |     return getArch() == Triple::aarch64_32 || | 
| 861 |                    getEnvironment() == Triple::GNUILP32 | 
| 862 |                ? PointerWidth == 32 | 
| 863 |                : PointerWidth == 64; | 
| 864 |   } | 
| 865 |  | 
| 866 |   /// Tests whether the target is 32-bit LoongArch. | 
| 867 |   bool isLoongArch32() const { return getArch() == Triple::loongarch32; } | 
| 868 |  | 
| 869 |   /// Tests whether the target is 64-bit LoongArch. | 
| 870 |   bool isLoongArch64() const { return getArch() == Triple::loongarch64; } | 
| 871 |  | 
| 872 |   /// Tests whether the target is LoongArch (32- and 64-bit). | 
| 873 |   bool isLoongArch() const { return isLoongArch32() || isLoongArch64(); } | 
| 874 |  | 
| 875 |   /// Tests whether the target is MIPS 32-bit (little and big endian). | 
| 876 |   bool isMIPS32() const { | 
| 877 |     return getArch() == Triple::mips || getArch() == Triple::mipsel; | 
| 878 |   } | 
| 879 |  | 
| 880 |   /// Tests whether the target is MIPS 64-bit (little and big endian). | 
| 881 |   bool isMIPS64() const { | 
| 882 |     return getArch() == Triple::mips64 || getArch() == Triple::mips64el; | 
| 883 |   } | 
| 884 |  | 
| 885 |   /// Tests whether the target is MIPS (little and big endian, 32- or 64-bit). | 
| 886 |   bool isMIPS() const { | 
| 887 |     return isMIPS32() || isMIPS64(); | 
| 888 |   } | 
| 889 |  | 
| 890 |   /// Tests whether the target is PowerPC (32- or 64-bit LE or BE). | 
| 891 |   bool isPPC() const { | 
| 892 |     return getArch() == Triple::ppc || getArch() == Triple::ppc64 || | 
| 893 |            getArch() == Triple::ppcle || getArch() == Triple::ppc64le; | 
| 894 |   } | 
| 895 |  | 
| 896 |   /// Tests whether the target is 32-bit PowerPC (little and big endian). | 
| 897 |   bool isPPC32() const { | 
| 898 |     return getArch() == Triple::ppc || getArch() == Triple::ppcle; | 
| 899 |   } | 
| 900 |  | 
| 901 |   /// Tests whether the target is 64-bit PowerPC (little and big endian). | 
| 902 |   bool isPPC64() const { | 
| 903 |     return getArch() == Triple::ppc64 || getArch() == Triple::ppc64le; | 
| 904 |   } | 
| 905 |  | 
| 906 |   /// Tests whether the target 64-bit PowerPC big endian ABI is ELFv2. | 
| 907 |   bool isPPC64ELFv2ABI() const { | 
| 908 |     return (getArch() == Triple::ppc64 && | 
| 909 |             ((getOS() == Triple::FreeBSD && | 
| 910 |               (getOSMajorVersion() >= 13 || getOSVersion().empty())) || | 
| 911 |              getOS() == Triple::OpenBSD || isMusl())); | 
| 912 |   } | 
| 913 |  | 
| 914 |   /// Tests whether the target 32-bit PowerPC uses Secure PLT. | 
| 915 |   bool isPPC32SecurePlt() const { | 
| 916 |     return ((getArch() == Triple::ppc || getArch() == Triple::ppcle) && | 
| 917 |             ((getOS() == Triple::FreeBSD && | 
| 918 |               (getOSMajorVersion() >= 13 || getOSVersion().empty())) || | 
| 919 |              getOS() == Triple::NetBSD || getOS() == Triple::OpenBSD || | 
| 920 |              isMusl())); | 
| 921 |   } | 
| 922 |  | 
| 923 |   /// Tests whether the target is 32-bit RISC-V. | 
| 924 |   bool isRISCV32() const { return getArch() == Triple::riscv32; } | 
| 925 |  | 
| 926 |   /// Tests whether the target is 64-bit RISC-V. | 
| 927 |   bool isRISCV64() const { return getArch() == Triple::riscv64; } | 
| 928 |  | 
| 929 |   /// Tests whether the target is RISC-V (32- and 64-bit). | 
| 930 |   bool isRISCV() const { return isRISCV32() || isRISCV64(); } | 
| 931 |  | 
| 932 |   /// Tests whether the target is 32-bit SPARC (little and big endian). | 
| 933 |   bool isSPARC32() const { | 
| 934 |     return getArch() == Triple::sparc || getArch() == Triple::sparcel; | 
| 935 |   } | 
| 936 |  | 
| 937 |   /// Tests whether the target is 64-bit SPARC (big endian). | 
| 938 |   bool isSPARC64() const { return getArch() == Triple::sparcv9; } | 
| 939 |  | 
| 940 |   /// Tests whether the target is SPARC. | 
| 941 |   bool isSPARC() const { return isSPARC32() || isSPARC64(); } | 
| 942 |  | 
| 943 |   /// Tests whether the target is SystemZ. | 
| 944 |   bool isSystemZ() const { | 
| 945 |     return getArch() == Triple::systemz; | 
| 946 |   } | 
| 947 |  | 
| 948 |   /// Tests whether the target is x86 (32- or 64-bit). | 
| 949 |   bool isX86() const { | 
| 950 |     return getArch() == Triple::x86 || getArch() == Triple::x86_64; | 
| 951 |   } | 
| 952 |  | 
| 953 |   /// Tests whether the target is VE | 
| 954 |   bool isVE() const { | 
| 955 |     return getArch() == Triple::ve; | 
| 956 |   } | 
| 957 |  | 
| 958 |   /// Tests whether the target is wasm (32- and 64-bit). | 
| 959 |   bool isWasm() const { | 
| 960 |     return getArch() == Triple::wasm32 || getArch() == Triple::wasm64; | 
| 961 |   } | 
| 962 |  | 
| 963 |   // Tests whether the target is CSKY | 
| 964 |   bool isCSKY() const { | 
| 965 |     return getArch() == Triple::csky; | 
| 966 |   } | 
| 967 |  | 
| 968 |   /// Tests whether the target is the Apple "arm64e" AArch64 subarch. | 
| 969 |   bool isArm64e() const { | 
| 970 |     return getArch() == Triple::aarch64 && | 
| 971 |            getSubArch() == Triple::AArch64SubArch_arm64e; | 
| 972 |   } | 
| 973 |  | 
| 974 |   /// Tests whether the target is X32. | 
| 975 |   bool isX32() const { | 
| 976 |     EnvironmentType Env = getEnvironment(); | 
| 977 |     return Env == Triple::GNUX32 || Env == Triple::MuslX32; | 
| 978 |   } | 
| 979 |  | 
| 980 |   /// Tests whether the target is eBPF. | 
| 981 |   bool isBPF() const { | 
| 982 |     return getArch() == Triple::bpfel || getArch() == Triple::bpfeb; | 
| 983 |   } | 
| 984 |  | 
| 985 |   /// Tests whether the target supports comdat | 
| 986 |   bool supportsCOMDAT() const { | 
| 987 |     return !(isOSBinFormatMachO() || isOSBinFormatXCOFF() || | 
| 988 |              isOSBinFormatDXContainer()); | 
| 989 |   } | 
| 990 |  | 
| 991 |   /// Tests whether the target uses emulated TLS as default. | 
| 992 |   /// | 
| 993 |   /// Note: Android API level 29 (10) introduced ELF TLS. | 
| 994 |   bool hasDefaultEmulatedTLS() const { | 
| 995 |     return (isAndroid() && isAndroidVersionLT(Major: 29)) || isOSOpenBSD() || | 
| 996 |            isWindowsCygwinEnvironment() || isOHOSFamily(); | 
| 997 |   } | 
| 998 |  | 
| 999 |   /// Tests whether the target uses -data-sections as default. | 
| 1000 |   bool hasDefaultDataSections() const { | 
| 1001 |     return isOSBinFormatXCOFF() || isWasm(); | 
| 1002 |   } | 
| 1003 |  | 
| 1004 |   /// Tests if the environment supports dllimport/export annotations. | 
| 1005 |   bool hasDLLImportExport() const { return isOSWindows() || isPS(); } | 
| 1006 |  | 
| 1007 |   /// @} | 
| 1008 |   /// @name Mutators | 
| 1009 |   /// @{ | 
| 1010 |  | 
| 1011 |   /// Set the architecture (first) component of the triple to a known type. | 
| 1012 |   void setArch(ArchType Kind, SubArchType SubArch = NoSubArch); | 
| 1013 |  | 
| 1014 |   /// Set the vendor (second) component of the triple to a known type. | 
| 1015 |   void setVendor(VendorType Kind); | 
| 1016 |  | 
| 1017 |   /// Set the operating system (third) component of the triple to a known type. | 
| 1018 |   void setOS(OSType Kind); | 
| 1019 |  | 
| 1020 |   /// Set the environment (fourth) component of the triple to a known type. | 
| 1021 |   void setEnvironment(EnvironmentType Kind); | 
| 1022 |  | 
| 1023 |   /// Set the object file format. | 
| 1024 |   void setObjectFormat(ObjectFormatType Kind); | 
| 1025 |  | 
| 1026 |   /// Set all components to the new triple \p Str. | 
| 1027 |   void setTriple(const Twine &Str); | 
| 1028 |  | 
| 1029 |   /// Set the architecture (first) component of the triple by name. | 
| 1030 |   void setArchName(StringRef Str); | 
| 1031 |  | 
| 1032 |   /// Set the vendor (second) component of the triple by name. | 
| 1033 |   void setVendorName(StringRef Str); | 
| 1034 |  | 
| 1035 |   /// Set the operating system (third) component of the triple by name. | 
| 1036 |   void setOSName(StringRef Str); | 
| 1037 |  | 
| 1038 |   /// Set the optional environment (fourth) component of the triple by name. | 
| 1039 |   void setEnvironmentName(StringRef Str); | 
| 1040 |  | 
| 1041 |   /// Set the operating system and optional environment components with a single | 
| 1042 |   /// string. | 
| 1043 |   void setOSAndEnvironmentName(StringRef Str); | 
| 1044 |  | 
| 1045 |   /// @} | 
| 1046 |   /// @name Helpers to build variants of a particular triple. | 
| 1047 |   /// @{ | 
| 1048 |  | 
| 1049 |   /// Form a triple with a 32-bit variant of the current architecture. | 
| 1050 |   /// | 
| 1051 |   /// This can be used to move across "families" of architectures where useful. | 
| 1052 |   /// | 
| 1053 |   /// \returns A new triple with a 32-bit architecture or an unknown | 
| 1054 |   ///          architecture if no such variant can be found. | 
| 1055 |   llvm::Triple get32BitArchVariant() const; | 
| 1056 |  | 
| 1057 |   /// Form a triple with a 64-bit variant of the current architecture. | 
| 1058 |   /// | 
| 1059 |   /// This can be used to move across "families" of architectures where useful. | 
| 1060 |   /// | 
| 1061 |   /// \returns A new triple with a 64-bit architecture or an unknown | 
| 1062 |   ///          architecture if no such variant can be found. | 
| 1063 |   llvm::Triple get64BitArchVariant() const; | 
| 1064 |  | 
| 1065 |   /// Form a triple with a big endian variant of the current architecture. | 
| 1066 |   /// | 
| 1067 |   /// This can be used to move across "families" of architectures where useful. | 
| 1068 |   /// | 
| 1069 |   /// \returns A new triple with a big endian architecture or an unknown | 
| 1070 |   ///          architecture if no such variant can be found. | 
| 1071 |   llvm::Triple getBigEndianArchVariant() const; | 
| 1072 |  | 
| 1073 |   /// Form a triple with a little endian variant of the current architecture. | 
| 1074 |   /// | 
| 1075 |   /// This can be used to move across "families" of architectures where useful. | 
| 1076 |   /// | 
| 1077 |   /// \returns A new triple with a little endian architecture or an unknown | 
| 1078 |   ///          architecture if no such variant can be found. | 
| 1079 |   llvm::Triple getLittleEndianArchVariant() const; | 
| 1080 |  | 
| 1081 |   /// Tests whether the target triple is little endian. | 
| 1082 |   /// | 
| 1083 |   /// \returns true if the triple is little endian, false otherwise. | 
| 1084 |   bool isLittleEndian() const; | 
| 1085 |  | 
| 1086 |   /// Test whether target triples are compatible. | 
| 1087 |   bool isCompatibleWith(const Triple &Other) const; | 
| 1088 |  | 
| 1089 |   /// Merge target triples. | 
| 1090 |   std::string merge(const Triple &Other) const; | 
| 1091 |  | 
| 1092 |   /// Some platforms have different minimum supported OS versions that | 
| 1093 |   /// varies by the architecture specified in the triple. This function | 
| 1094 |   /// returns the minimum supported OS version for this triple if one an exists, | 
| 1095 |   /// or an invalid version tuple if this triple doesn't have one. | 
| 1096 |   VersionTuple getMinimumSupportedOSVersion() const; | 
| 1097 |  | 
| 1098 |   /// @} | 
| 1099 |   /// @name Static helpers for IDs. | 
| 1100 |   /// @{ | 
| 1101 |  | 
| 1102 |   /// Get the canonical name for the \p Kind architecture. | 
| 1103 |   static StringRef getArchTypeName(ArchType Kind); | 
| 1104 |  | 
| 1105 |   /// Get the "prefix" canonical name for the \p Kind architecture. This is the | 
| 1106 |   /// prefix used by the architecture specific builtins, and is suitable for | 
| 1107 |   /// passing to \see Intrinsic::getIntrinsicForClangBuiltin(). | 
| 1108 |   /// | 
| 1109 |   /// \return - The architecture prefix, or 0 if none is defined. | 
| 1110 |   static StringRef getArchTypePrefix(ArchType Kind); | 
| 1111 |  | 
| 1112 |   /// Get the canonical name for the \p Kind vendor. | 
| 1113 |   static StringRef getVendorTypeName(VendorType Kind); | 
| 1114 |  | 
| 1115 |   /// Get the canonical name for the \p Kind operating system. | 
| 1116 |   static StringRef getOSTypeName(OSType Kind); | 
| 1117 |  | 
| 1118 |   /// Get the canonical name for the \p Kind environment. | 
| 1119 |   static StringRef getEnvironmentTypeName(EnvironmentType Kind); | 
| 1120 |  | 
| 1121 |   /// Get the name for the \p Object format. | 
| 1122 |   static StringRef getObjectFormatTypeName(ObjectFormatType ObjectFormat); | 
| 1123 |  | 
| 1124 |   /// @} | 
| 1125 |   /// @name Static helpers for converting alternate architecture names. | 
| 1126 |   /// @{ | 
| 1127 |  | 
| 1128 |   /// The canonical type for the given LLVM architecture name (e.g., "x86"). | 
| 1129 |   static ArchType getArchTypeForLLVMName(StringRef Str); | 
| 1130 |  | 
| 1131 |   /// @} | 
| 1132 |  | 
| 1133 |   /// Returns a canonicalized OS version number for the specified OS. | 
| 1134 |   static VersionTuple getCanonicalVersionForOS(OSType OSKind, | 
| 1135 |                                                const VersionTuple &Version); | 
| 1136 | }; | 
| 1137 |  | 
| 1138 | } // End llvm namespace | 
| 1139 |  | 
| 1140 |  | 
| 1141 | #endif | 
| 1142 |  |