| 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 | |