1 //===--- Triple.cpp - Target triple helper class --------------------------===// 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 #include "llvm/ADT/Triple.h" 11 #include "llvm/ADT/STLExtras.h" 12 #include "llvm/ADT/SmallString.h" 13 #include "llvm/ADT/StringSwitch.h" 14 #include "llvm/Support/ErrorHandling.h" 15 #include "llvm/Support/Host.h" 16 #include "llvm/Support/TargetParser.h" 17 #include <cstring> 18 using namespace llvm; 19 20 StringRef Triple::getArchTypeName(ArchType Kind) { 21 switch (Kind) { 22 case UnknownArch: return "unknown"; 23 24 case aarch64: return "aarch64"; 25 case aarch64_be: return "aarch64_be"; 26 case arm: return "arm"; 27 case armeb: return "armeb"; 28 case arc: return "arc"; 29 case avr: return "avr"; 30 case bpfel: return "bpfel"; 31 case bpfeb: return "bpfeb"; 32 case hexagon: return "hexagon"; 33 case mips: return "mips"; 34 case mipsel: return "mipsel"; 35 case mips64: return "mips64"; 36 case mips64el: return "mips64el"; 37 case msp430: return "msp430"; 38 case nios2: return "nios2"; 39 case ppc64: return "powerpc64"; 40 case ppc64le: return "powerpc64le"; 41 case ppc: return "powerpc"; 42 case r600: return "r600"; 43 case amdgcn: return "amdgcn"; 44 case riscv32: return "riscv32"; 45 case riscv64: return "riscv64"; 46 case sparc: return "sparc"; 47 case sparcv9: return "sparcv9"; 48 case sparcel: return "sparcel"; 49 case systemz: return "s390x"; 50 case tce: return "tce"; 51 case tcele: return "tcele"; 52 case thumb: return "thumb"; 53 case thumbeb: return "thumbeb"; 54 case x86: return "i386"; 55 case x86_64: return "x86_64"; 56 case xcore: return "xcore"; 57 case nvptx: return "nvptx"; 58 case nvptx64: return "nvptx64"; 59 case le32: return "le32"; 60 case le64: return "le64"; 61 case amdil: return "amdil"; 62 case amdil64: return "amdil64"; 63 case hsail: return "hsail"; 64 case hsail64: return "hsail64"; 65 case spir: return "spir"; 66 case spir64: return "spir64"; 67 case kalimba: return "kalimba"; 68 case lanai: return "lanai"; 69 case shave: return "shave"; 70 case wasm32: return "wasm32"; 71 case wasm64: return "wasm64"; 72 case renderscript32: return "renderscript32"; 73 case renderscript64: return "renderscript64"; 74 } 75 76 llvm_unreachable("Invalid ArchType!"); 77 } 78 79 StringRef Triple::getArchTypePrefix(ArchType Kind) { 80 switch (Kind) { 81 default: 82 return StringRef(); 83 84 case aarch64: 85 case aarch64_be: return "aarch64"; 86 87 case arc: return "arc"; 88 89 case arm: 90 case armeb: 91 case thumb: 92 case thumbeb: return "arm"; 93 94 case avr: return "avr"; 95 96 case ppc64: 97 case ppc64le: 98 case ppc: return "ppc"; 99 100 case mips: 101 case mipsel: 102 case mips64: 103 case mips64el: return "mips"; 104 105 case nios2: return "nios2"; 106 107 case hexagon: return "hexagon"; 108 109 case amdgcn: return "amdgcn"; 110 case r600: return "r600"; 111 112 case bpfel: 113 case bpfeb: return "bpf"; 114 115 case sparcv9: 116 case sparcel: 117 case sparc: return "sparc"; 118 119 case systemz: return "s390"; 120 121 case x86: 122 case x86_64: return "x86"; 123 124 case xcore: return "xcore"; 125 126 // NVPTX intrinsics are namespaced under nvvm. 127 case nvptx: return "nvvm"; 128 case nvptx64: return "nvvm"; 129 130 case le32: return "le32"; 131 case le64: return "le64"; 132 133 case amdil: 134 case amdil64: return "amdil"; 135 136 case hsail: 137 case hsail64: return "hsail"; 138 139 case spir: 140 case spir64: return "spir"; 141 case kalimba: return "kalimba"; 142 case lanai: return "lanai"; 143 case shave: return "shave"; 144 case wasm32: 145 case wasm64: return "wasm"; 146 147 case riscv32: 148 case riscv64: return "riscv"; 149 } 150 } 151 152 StringRef Triple::getVendorTypeName(VendorType Kind) { 153 switch (Kind) { 154 case UnknownVendor: return "unknown"; 155 156 case Apple: return "apple"; 157 case PC: return "pc"; 158 case SCEI: return "scei"; 159 case BGP: return "bgp"; 160 case BGQ: return "bgq"; 161 case Freescale: return "fsl"; 162 case IBM: return "ibm"; 163 case ImaginationTechnologies: return "img"; 164 case MipsTechnologies: return "mti"; 165 case NVIDIA: return "nvidia"; 166 case CSR: return "csr"; 167 case Myriad: return "myriad"; 168 case AMD: return "amd"; 169 case Mesa: return "mesa"; 170 case SUSE: return "suse"; 171 case OpenEmbedded: return "oe"; 172 } 173 174 llvm_unreachable("Invalid VendorType!"); 175 } 176 177 StringRef Triple::getOSTypeName(OSType Kind) { 178 switch (Kind) { 179 case UnknownOS: return "unknown"; 180 181 case Ananas: return "ananas"; 182 case CloudABI: return "cloudabi"; 183 case Darwin: return "darwin"; 184 case DragonFly: return "dragonfly"; 185 case FreeBSD: return "freebsd"; 186 case Fuchsia: return "fuchsia"; 187 case IOS: return "ios"; 188 case KFreeBSD: return "kfreebsd"; 189 case Linux: return "linux"; 190 case Lv2: return "lv2"; 191 case MacOSX: return "macosx"; 192 case NetBSD: return "netbsd"; 193 case OpenBSD: return "openbsd"; 194 case Solaris: return "solaris"; 195 case Win32: return "windows"; 196 case Haiku: return "haiku"; 197 case Minix: return "minix"; 198 case RTEMS: return "rtems"; 199 case NaCl: return "nacl"; 200 case CNK: return "cnk"; 201 case AIX: return "aix"; 202 case CUDA: return "cuda"; 203 case NVCL: return "nvcl"; 204 case AMDHSA: return "amdhsa"; 205 case PS4: return "ps4"; 206 case ELFIAMCU: return "elfiamcu"; 207 case TvOS: return "tvos"; 208 case WatchOS: return "watchos"; 209 case Mesa3D: return "mesa3d"; 210 case Contiki: return "contiki"; 211 case AMDPAL: return "amdpal"; 212 case HermitCore: return "hermit"; 213 } 214 215 llvm_unreachable("Invalid OSType"); 216 } 217 218 StringRef Triple::getEnvironmentTypeName(EnvironmentType Kind) { 219 switch (Kind) { 220 case UnknownEnvironment: return "unknown"; 221 case GNU: return "gnu"; 222 case GNUABIN32: return "gnuabin32"; 223 case GNUABI64: return "gnuabi64"; 224 case GNUEABIHF: return "gnueabihf"; 225 case GNUEABI: return "gnueabi"; 226 case GNUX32: return "gnux32"; 227 case CODE16: return "code16"; 228 case EABI: return "eabi"; 229 case EABIHF: return "eabihf"; 230 case Android: return "android"; 231 case Musl: return "musl"; 232 case MuslEABI: return "musleabi"; 233 case MuslEABIHF: return "musleabihf"; 234 case MSVC: return "msvc"; 235 case Itanium: return "itanium"; 236 case Cygnus: return "cygnus"; 237 case CoreCLR: return "coreclr"; 238 case Simulator: return "simulator"; 239 } 240 241 llvm_unreachable("Invalid EnvironmentType!"); 242 } 243 244 static Triple::ArchType parseBPFArch(StringRef ArchName) { 245 if (ArchName.equals("bpf")) { 246 if (sys::IsLittleEndianHost) 247 return Triple::bpfel; 248 else 249 return Triple::bpfeb; 250 } else if (ArchName.equals("bpf_be") || ArchName.equals("bpfeb")) { 251 return Triple::bpfeb; 252 } else if (ArchName.equals("bpf_le") || ArchName.equals("bpfel")) { 253 return Triple::bpfel; 254 } else { 255 return Triple::UnknownArch; 256 } 257 } 258 259 Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) { 260 Triple::ArchType BPFArch(parseBPFArch(Name)); 261 return StringSwitch<Triple::ArchType>(Name) 262 .Case("aarch64", aarch64) 263 .Case("aarch64_be", aarch64_be) 264 .Case("arc", arc) 265 .Case("arm64", aarch64) // "arm64" is an alias for "aarch64" 266 .Case("arm", arm) 267 .Case("armeb", armeb) 268 .Case("avr", avr) 269 .StartsWith("bpf", BPFArch) 270 .Case("mips", mips) 271 .Case("mipsel", mipsel) 272 .Case("mips64", mips64) 273 .Case("mips64el", mips64el) 274 .Case("msp430", msp430) 275 .Case("nios2", nios2) 276 .Case("ppc64", ppc64) 277 .Case("ppc32", ppc) 278 .Case("ppc", ppc) 279 .Case("ppc64le", ppc64le) 280 .Case("r600", r600) 281 .Case("amdgcn", amdgcn) 282 .Case("riscv32", riscv32) 283 .Case("riscv64", riscv64) 284 .Case("hexagon", hexagon) 285 .Case("sparc", sparc) 286 .Case("sparcel", sparcel) 287 .Case("sparcv9", sparcv9) 288 .Case("systemz", systemz) 289 .Case("tce", tce) 290 .Case("tcele", tcele) 291 .Case("thumb", thumb) 292 .Case("thumbeb", thumbeb) 293 .Case("x86", x86) 294 .Case("x86-64", x86_64) 295 .Case("xcore", xcore) 296 .Case("nvptx", nvptx) 297 .Case("nvptx64", nvptx64) 298 .Case("le32", le32) 299 .Case("le64", le64) 300 .Case("amdil", amdil) 301 .Case("amdil64", amdil64) 302 .Case("hsail", hsail) 303 .Case("hsail64", hsail64) 304 .Case("spir", spir) 305 .Case("spir64", spir64) 306 .Case("kalimba", kalimba) 307 .Case("lanai", lanai) 308 .Case("shave", shave) 309 .Case("wasm32", wasm32) 310 .Case("wasm64", wasm64) 311 .Case("renderscript32", renderscript32) 312 .Case("renderscript64", renderscript64) 313 .Default(UnknownArch); 314 } 315 316 static Triple::ArchType parseARMArch(StringRef ArchName) { 317 ARM::ISAKind ISA = ARM::parseArchISA(ArchName); 318 ARM::EndianKind ENDIAN = ARM::parseArchEndian(ArchName); 319 320 Triple::ArchType arch = Triple::UnknownArch; 321 switch (ENDIAN) { 322 case ARM::EndianKind::LITTLE: { 323 switch (ISA) { 324 case ARM::ISAKind::ARM: 325 arch = Triple::arm; 326 break; 327 case ARM::ISAKind::THUMB: 328 arch = Triple::thumb; 329 break; 330 case ARM::ISAKind::AARCH64: 331 arch = Triple::aarch64; 332 break; 333 case ARM::ISAKind::INVALID: 334 break; 335 } 336 break; 337 } 338 case ARM::EndianKind::BIG: { 339 switch (ISA) { 340 case ARM::ISAKind::ARM: 341 arch = Triple::armeb; 342 break; 343 case ARM::ISAKind::THUMB: 344 arch = Triple::thumbeb; 345 break; 346 case ARM::ISAKind::AARCH64: 347 arch = Triple::aarch64_be; 348 break; 349 case ARM::ISAKind::INVALID: 350 break; 351 } 352 break; 353 } 354 case ARM::EndianKind::INVALID: { 355 break; 356 } 357 } 358 359 ArchName = ARM::getCanonicalArchName(ArchName); 360 if (ArchName.empty()) 361 return Triple::UnknownArch; 362 363 // Thumb only exists in v4+ 364 if (ISA == ARM::ISAKind::THUMB && 365 (ArchName.startswith("v2") || ArchName.startswith("v3"))) 366 return Triple::UnknownArch; 367 368 // Thumb only for v6m 369 ARM::ProfileKind Profile = ARM::parseArchProfile(ArchName); 370 unsigned Version = ARM::parseArchVersion(ArchName); 371 if (Profile == ARM::ProfileKind::M && Version == 6) { 372 if (ENDIAN == ARM::EndianKind::BIG) 373 return Triple::thumbeb; 374 else 375 return Triple::thumb; 376 } 377 378 return arch; 379 } 380 381 static Triple::ArchType parseArch(StringRef ArchName) { 382 auto AT = StringSwitch<Triple::ArchType>(ArchName) 383 .Cases("i386", "i486", "i586", "i686", Triple::x86) 384 // FIXME: Do we need to support these? 385 .Cases("i786", "i886", "i986", Triple::x86) 386 .Cases("amd64", "x86_64", "x86_64h", Triple::x86_64) 387 .Cases("powerpc", "ppc", "ppc32", Triple::ppc) 388 .Cases("powerpc64", "ppu", "ppc64", Triple::ppc64) 389 .Cases("powerpc64le", "ppc64le", Triple::ppc64le) 390 .Case("xscale", Triple::arm) 391 .Case("xscaleeb", Triple::armeb) 392 .Case("aarch64", Triple::aarch64) 393 .Case("aarch64_be", Triple::aarch64_be) 394 .Case("arc", Triple::arc) 395 .Case("arm64", Triple::aarch64) 396 .Case("arm", Triple::arm) 397 .Case("armeb", Triple::armeb) 398 .Case("thumb", Triple::thumb) 399 .Case("thumbeb", Triple::thumbeb) 400 .Case("avr", Triple::avr) 401 .Case("msp430", Triple::msp430) 402 .Cases("mips", "mipseb", "mipsallegrex", Triple::mips) 403 .Cases("mipsel", "mipsallegrexel", Triple::mipsel) 404 .Cases("mips64", "mips64eb", Triple::mips64) 405 .Case("mips64el", Triple::mips64el) 406 .Case("nios2", Triple::nios2) 407 .Case("r600", Triple::r600) 408 .Case("amdgcn", Triple::amdgcn) 409 .Case("riscv32", Triple::riscv32) 410 .Case("riscv64", Triple::riscv64) 411 .Case("hexagon", Triple::hexagon) 412 .Cases("s390x", "systemz", Triple::systemz) 413 .Case("sparc", Triple::sparc) 414 .Case("sparcel", Triple::sparcel) 415 .Cases("sparcv9", "sparc64", Triple::sparcv9) 416 .Case("tce", Triple::tce) 417 .Case("tcele", Triple::tcele) 418 .Case("xcore", Triple::xcore) 419 .Case("nvptx", Triple::nvptx) 420 .Case("nvptx64", Triple::nvptx64) 421 .Case("le32", Triple::le32) 422 .Case("le64", Triple::le64) 423 .Case("amdil", Triple::amdil) 424 .Case("amdil64", Triple::amdil64) 425 .Case("hsail", Triple::hsail) 426 .Case("hsail64", Triple::hsail64) 427 .Case("spir", Triple::spir) 428 .Case("spir64", Triple::spir64) 429 .StartsWith("kalimba", Triple::kalimba) 430 .Case("lanai", Triple::lanai) 431 .Case("shave", Triple::shave) 432 .Case("wasm32", Triple::wasm32) 433 .Case("wasm64", Triple::wasm64) 434 .Case("renderscript32", Triple::renderscript32) 435 .Case("renderscript64", Triple::renderscript64) 436 .Default(Triple::UnknownArch); 437 438 // Some architectures require special parsing logic just to compute the 439 // ArchType result. 440 if (AT == Triple::UnknownArch) { 441 if (ArchName.startswith("arm") || ArchName.startswith("thumb") || 442 ArchName.startswith("aarch64")) 443 return parseARMArch(ArchName); 444 if (ArchName.startswith("bpf")) 445 return parseBPFArch(ArchName); 446 } 447 448 return AT; 449 } 450 451 static Triple::VendorType parseVendor(StringRef VendorName) { 452 return StringSwitch<Triple::VendorType>(VendorName) 453 .Case("apple", Triple::Apple) 454 .Case("pc", Triple::PC) 455 .Case("scei", Triple::SCEI) 456 .Case("bgp", Triple::BGP) 457 .Case("bgq", Triple::BGQ) 458 .Case("fsl", Triple::Freescale) 459 .Case("ibm", Triple::IBM) 460 .Case("img", Triple::ImaginationTechnologies) 461 .Case("mti", Triple::MipsTechnologies) 462 .Case("nvidia", Triple::NVIDIA) 463 .Case("csr", Triple::CSR) 464 .Case("myriad", Triple::Myriad) 465 .Case("amd", Triple::AMD) 466 .Case("mesa", Triple::Mesa) 467 .Case("suse", Triple::SUSE) 468 .Case("oe", Triple::OpenEmbedded) 469 .Default(Triple::UnknownVendor); 470 } 471 472 static Triple::OSType parseOS(StringRef OSName) { 473 return StringSwitch<Triple::OSType>(OSName) 474 .StartsWith("ananas", Triple::Ananas) 475 .StartsWith("cloudabi", Triple::CloudABI) 476 .StartsWith("darwin", Triple::Darwin) 477 .StartsWith("dragonfly", Triple::DragonFly) 478 .StartsWith("freebsd", Triple::FreeBSD) 479 .StartsWith("fuchsia", Triple::Fuchsia) 480 .StartsWith("ios", Triple::IOS) 481 .StartsWith("kfreebsd", Triple::KFreeBSD) 482 .StartsWith("linux", Triple::Linux) 483 .StartsWith("lv2", Triple::Lv2) 484 .StartsWith("macos", Triple::MacOSX) 485 .StartsWith("netbsd", Triple::NetBSD) 486 .StartsWith("openbsd", Triple::OpenBSD) 487 .StartsWith("solaris", Triple::Solaris) 488 .StartsWith("win32", Triple::Win32) 489 .StartsWith("windows", Triple::Win32) 490 .StartsWith("haiku", Triple::Haiku) 491 .StartsWith("minix", Triple::Minix) 492 .StartsWith("rtems", Triple::RTEMS) 493 .StartsWith("nacl", Triple::NaCl) 494 .StartsWith("cnk", Triple::CNK) 495 .StartsWith("aix", Triple::AIX) 496 .StartsWith("cuda", Triple::CUDA) 497 .StartsWith("nvcl", Triple::NVCL) 498 .StartsWith("amdhsa", Triple::AMDHSA) 499 .StartsWith("ps4", Triple::PS4) 500 .StartsWith("elfiamcu", Triple::ELFIAMCU) 501 .StartsWith("tvos", Triple::TvOS) 502 .StartsWith("watchos", Triple::WatchOS) 503 .StartsWith("mesa3d", Triple::Mesa3D) 504 .StartsWith("contiki", Triple::Contiki) 505 .StartsWith("amdpal", Triple::AMDPAL) 506 .StartsWith("hermit", Triple::HermitCore) 507 .Default(Triple::UnknownOS); 508 } 509 510 static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) { 511 return StringSwitch<Triple::EnvironmentType>(EnvironmentName) 512 .StartsWith("eabihf", Triple::EABIHF) 513 .StartsWith("eabi", Triple::EABI) 514 .StartsWith("gnuabin32", Triple::GNUABIN32) 515 .StartsWith("gnuabi64", Triple::GNUABI64) 516 .StartsWith("gnueabihf", Triple::GNUEABIHF) 517 .StartsWith("gnueabi", Triple::GNUEABI) 518 .StartsWith("gnux32", Triple::GNUX32) 519 .StartsWith("code16", Triple::CODE16) 520 .StartsWith("gnu", Triple::GNU) 521 .StartsWith("android", Triple::Android) 522 .StartsWith("musleabihf", Triple::MuslEABIHF) 523 .StartsWith("musleabi", Triple::MuslEABI) 524 .StartsWith("musl", Triple::Musl) 525 .StartsWith("msvc", Triple::MSVC) 526 .StartsWith("itanium", Triple::Itanium) 527 .StartsWith("cygnus", Triple::Cygnus) 528 .StartsWith("coreclr", Triple::CoreCLR) 529 .StartsWith("simulator", Triple::Simulator) 530 .Default(Triple::UnknownEnvironment); 531 } 532 533 static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) { 534 return StringSwitch<Triple::ObjectFormatType>(EnvironmentName) 535 .EndsWith("coff", Triple::COFF) 536 .EndsWith("elf", Triple::ELF) 537 .EndsWith("macho", Triple::MachO) 538 .EndsWith("wasm", Triple::Wasm) 539 .Default(Triple::UnknownObjectFormat); 540 } 541 542 static Triple::SubArchType parseSubArch(StringRef SubArchName) { 543 StringRef ARMSubArch = ARM::getCanonicalArchName(SubArchName); 544 545 // For now, this is the small part. Early return. 546 if (ARMSubArch.empty()) 547 return StringSwitch<Triple::SubArchType>(SubArchName) 548 .EndsWith("kalimba3", Triple::KalimbaSubArch_v3) 549 .EndsWith("kalimba4", Triple::KalimbaSubArch_v4) 550 .EndsWith("kalimba5", Triple::KalimbaSubArch_v5) 551 .Default(Triple::NoSubArch); 552 553 // ARM sub arch. 554 switch(ARM::parseArch(ARMSubArch)) { 555 case ARM::ArchKind::ARMV4: 556 return Triple::NoSubArch; 557 case ARM::ArchKind::ARMV4T: 558 return Triple::ARMSubArch_v4t; 559 case ARM::ArchKind::ARMV5T: 560 return Triple::ARMSubArch_v5; 561 case ARM::ArchKind::ARMV5TE: 562 case ARM::ArchKind::IWMMXT: 563 case ARM::ArchKind::IWMMXT2: 564 case ARM::ArchKind::XSCALE: 565 case ARM::ArchKind::ARMV5TEJ: 566 return Triple::ARMSubArch_v5te; 567 case ARM::ArchKind::ARMV6: 568 return Triple::ARMSubArch_v6; 569 case ARM::ArchKind::ARMV6K: 570 case ARM::ArchKind::ARMV6KZ: 571 return Triple::ARMSubArch_v6k; 572 case ARM::ArchKind::ARMV6T2: 573 return Triple::ARMSubArch_v6t2; 574 case ARM::ArchKind::ARMV6M: 575 return Triple::ARMSubArch_v6m; 576 case ARM::ArchKind::ARMV7A: 577 case ARM::ArchKind::ARMV7R: 578 return Triple::ARMSubArch_v7; 579 case ARM::ArchKind::ARMV7VE: 580 return Triple::ARMSubArch_v7ve; 581 case ARM::ArchKind::ARMV7K: 582 return Triple::ARMSubArch_v7k; 583 case ARM::ArchKind::ARMV7M: 584 return Triple::ARMSubArch_v7m; 585 case ARM::ArchKind::ARMV7S: 586 return Triple::ARMSubArch_v7s; 587 case ARM::ArchKind::ARMV7EM: 588 return Triple::ARMSubArch_v7em; 589 case ARM::ArchKind::ARMV8A: 590 return Triple::ARMSubArch_v8; 591 case ARM::ArchKind::ARMV8_1A: 592 return Triple::ARMSubArch_v8_1a; 593 case ARM::ArchKind::ARMV8_2A: 594 return Triple::ARMSubArch_v8_2a; 595 case ARM::ArchKind::ARMV8_3A: 596 return Triple::ARMSubArch_v8_3a; 597 case ARM::ArchKind::ARMV8_4A: 598 return Triple::ARMSubArch_v8_4a; 599 case ARM::ArchKind::ARMV8R: 600 return Triple::ARMSubArch_v8r; 601 case ARM::ArchKind::ARMV8MBaseline: 602 return Triple::ARMSubArch_v8m_baseline; 603 case ARM::ArchKind::ARMV8MMainline: 604 return Triple::ARMSubArch_v8m_mainline; 605 default: 606 return Triple::NoSubArch; 607 } 608 } 609 610 static StringRef getObjectFormatTypeName(Triple::ObjectFormatType Kind) { 611 switch (Kind) { 612 case Triple::UnknownObjectFormat: return ""; 613 case Triple::COFF: return "coff"; 614 case Triple::ELF: return "elf"; 615 case Triple::MachO: return "macho"; 616 case Triple::Wasm: return "wasm"; 617 } 618 llvm_unreachable("unknown object format type"); 619 } 620 621 static Triple::ObjectFormatType getDefaultFormat(const Triple &T) { 622 switch (T.getArch()) { 623 case Triple::UnknownArch: 624 case Triple::aarch64: 625 case Triple::arm: 626 case Triple::thumb: 627 case Triple::x86: 628 case Triple::x86_64: 629 if (T.isOSDarwin()) 630 return Triple::MachO; 631 else if (T.isOSWindows()) 632 return Triple::COFF; 633 return Triple::ELF; 634 635 case Triple::aarch64_be: 636 case Triple::arc: 637 case Triple::amdgcn: 638 case Triple::amdil: 639 case Triple::amdil64: 640 case Triple::armeb: 641 case Triple::avr: 642 case Triple::bpfeb: 643 case Triple::bpfel: 644 case Triple::hexagon: 645 case Triple::lanai: 646 case Triple::hsail: 647 case Triple::hsail64: 648 case Triple::kalimba: 649 case Triple::le32: 650 case Triple::le64: 651 case Triple::mips: 652 case Triple::mips64: 653 case Triple::mips64el: 654 case Triple::mipsel: 655 case Triple::msp430: 656 case Triple::nios2: 657 case Triple::nvptx: 658 case Triple::nvptx64: 659 case Triple::ppc64le: 660 case Triple::r600: 661 case Triple::renderscript32: 662 case Triple::renderscript64: 663 case Triple::riscv32: 664 case Triple::riscv64: 665 case Triple::shave: 666 case Triple::sparc: 667 case Triple::sparcel: 668 case Triple::sparcv9: 669 case Triple::spir: 670 case Triple::spir64: 671 case Triple::systemz: 672 case Triple::tce: 673 case Triple::tcele: 674 case Triple::thumbeb: 675 case Triple::xcore: 676 return Triple::ELF; 677 678 case Triple::ppc: 679 case Triple::ppc64: 680 if (T.isOSDarwin()) 681 return Triple::MachO; 682 return Triple::ELF; 683 684 case Triple::wasm32: 685 case Triple::wasm64: 686 return Triple::Wasm; 687 } 688 llvm_unreachable("unknown architecture"); 689 } 690 691 /// Construct a triple from the string representation provided. 692 /// 693 /// This stores the string representation and parses the various pieces into 694 /// enum members. 695 Triple::Triple(const Twine &Str) 696 : Data(Str.str()), Arch(UnknownArch), SubArch(NoSubArch), 697 Vendor(UnknownVendor), OS(UnknownOS), Environment(UnknownEnvironment), 698 ObjectFormat(UnknownObjectFormat) { 699 // Do minimal parsing by hand here. 700 SmallVector<StringRef, 4> Components; 701 StringRef(Data).split(Components, '-', /*MaxSplit*/ 3); 702 if (Components.size() > 0) { 703 Arch = parseArch(Components[0]); 704 SubArch = parseSubArch(Components[0]); 705 if (Components.size() > 1) { 706 Vendor = parseVendor(Components[1]); 707 if (Components.size() > 2) { 708 OS = parseOS(Components[2]); 709 if (Components.size() > 3) { 710 Environment = parseEnvironment(Components[3]); 711 ObjectFormat = parseFormat(Components[3]); 712 } 713 } 714 } 715 } 716 if (ObjectFormat == UnknownObjectFormat) 717 ObjectFormat = getDefaultFormat(*this); 718 } 719 720 /// Construct a triple from string representations of the architecture, 721 /// vendor, and OS. 722 /// 723 /// This joins each argument into a canonical string representation and parses 724 /// them into enum members. It leaves the environment unknown and omits it from 725 /// the string representation. 726 Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr) 727 : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()), 728 Arch(parseArch(ArchStr.str())), 729 SubArch(parseSubArch(ArchStr.str())), 730 Vendor(parseVendor(VendorStr.str())), 731 OS(parseOS(OSStr.str())), 732 Environment(), ObjectFormat(Triple::UnknownObjectFormat) { 733 ObjectFormat = getDefaultFormat(*this); 734 } 735 736 /// Construct a triple from string representations of the architecture, 737 /// vendor, OS, and environment. 738 /// 739 /// This joins each argument into a canonical string representation and parses 740 /// them into enum members. 741 Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr, 742 const Twine &EnvironmentStr) 743 : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') + 744 EnvironmentStr).str()), 745 Arch(parseArch(ArchStr.str())), 746 SubArch(parseSubArch(ArchStr.str())), 747 Vendor(parseVendor(VendorStr.str())), 748 OS(parseOS(OSStr.str())), 749 Environment(parseEnvironment(EnvironmentStr.str())), 750 ObjectFormat(parseFormat(EnvironmentStr.str())) { 751 if (ObjectFormat == Triple::UnknownObjectFormat) 752 ObjectFormat = getDefaultFormat(*this); 753 } 754 755 std::string Triple::normalize(StringRef Str) { 756 bool IsMinGW32 = false; 757 bool IsCygwin = false; 758 759 // Parse into components. 760 SmallVector<StringRef, 4> Components; 761 Str.split(Components, '-'); 762 763 // If the first component corresponds to a known architecture, preferentially 764 // use it for the architecture. If the second component corresponds to a 765 // known vendor, preferentially use it for the vendor, etc. This avoids silly 766 // component movement when a component parses as (eg) both a valid arch and a 767 // valid os. 768 ArchType Arch = UnknownArch; 769 if (Components.size() > 0) 770 Arch = parseArch(Components[0]); 771 VendorType Vendor = UnknownVendor; 772 if (Components.size() > 1) 773 Vendor = parseVendor(Components[1]); 774 OSType OS = UnknownOS; 775 if (Components.size() > 2) { 776 OS = parseOS(Components[2]); 777 IsCygwin = Components[2].startswith("cygwin"); 778 IsMinGW32 = Components[2].startswith("mingw"); 779 } 780 EnvironmentType Environment = UnknownEnvironment; 781 if (Components.size() > 3) 782 Environment = parseEnvironment(Components[3]); 783 ObjectFormatType ObjectFormat = UnknownObjectFormat; 784 if (Components.size() > 4) 785 ObjectFormat = parseFormat(Components[4]); 786 787 // Note which components are already in their final position. These will not 788 // be moved. 789 bool Found[4]; 790 Found[0] = Arch != UnknownArch; 791 Found[1] = Vendor != UnknownVendor; 792 Found[2] = OS != UnknownOS; 793 Found[3] = Environment != UnknownEnvironment; 794 795 // If they are not there already, permute the components into their canonical 796 // positions by seeing if they parse as a valid architecture, and if so moving 797 // the component to the architecture position etc. 798 for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) { 799 if (Found[Pos]) 800 continue; // Already in the canonical position. 801 802 for (unsigned Idx = 0; Idx != Components.size(); ++Idx) { 803 // Do not reparse any components that already matched. 804 if (Idx < array_lengthof(Found) && Found[Idx]) 805 continue; 806 807 // Does this component parse as valid for the target position? 808 bool Valid = false; 809 StringRef Comp = Components[Idx]; 810 switch (Pos) { 811 default: llvm_unreachable("unexpected component type!"); 812 case 0: 813 Arch = parseArch(Comp); 814 Valid = Arch != UnknownArch; 815 break; 816 case 1: 817 Vendor = parseVendor(Comp); 818 Valid = Vendor != UnknownVendor; 819 break; 820 case 2: 821 OS = parseOS(Comp); 822 IsCygwin = Comp.startswith("cygwin"); 823 IsMinGW32 = Comp.startswith("mingw"); 824 Valid = OS != UnknownOS || IsCygwin || IsMinGW32; 825 break; 826 case 3: 827 Environment = parseEnvironment(Comp); 828 Valid = Environment != UnknownEnvironment; 829 if (!Valid) { 830 ObjectFormat = parseFormat(Comp); 831 Valid = ObjectFormat != UnknownObjectFormat; 832 } 833 break; 834 } 835 if (!Valid) 836 continue; // Nope, try the next component. 837 838 // Move the component to the target position, pushing any non-fixed 839 // components that are in the way to the right. This tends to give 840 // good results in the common cases of a forgotten vendor component 841 // or a wrongly positioned environment. 842 if (Pos < Idx) { 843 // Insert left, pushing the existing components to the right. For 844 // example, a-b-i386 -> i386-a-b when moving i386 to the front. 845 StringRef CurrentComponent(""); // The empty component. 846 // Replace the component we are moving with an empty component. 847 std::swap(CurrentComponent, Components[Idx]); 848 // Insert the component being moved at Pos, displacing any existing 849 // components to the right. 850 for (unsigned i = Pos; !CurrentComponent.empty(); ++i) { 851 // Skip over any fixed components. 852 while (i < array_lengthof(Found) && Found[i]) 853 ++i; 854 // Place the component at the new position, getting the component 855 // that was at this position - it will be moved right. 856 std::swap(CurrentComponent, Components[i]); 857 } 858 } else if (Pos > Idx) { 859 // Push right by inserting empty components until the component at Idx 860 // reaches the target position Pos. For example, pc-a -> -pc-a when 861 // moving pc to the second position. 862 do { 863 // Insert one empty component at Idx. 864 StringRef CurrentComponent(""); // The empty component. 865 for (unsigned i = Idx; i < Components.size();) { 866 // Place the component at the new position, getting the component 867 // that was at this position - it will be moved right. 868 std::swap(CurrentComponent, Components[i]); 869 // If it was placed on top of an empty component then we are done. 870 if (CurrentComponent.empty()) 871 break; 872 // Advance to the next component, skipping any fixed components. 873 while (++i < array_lengthof(Found) && Found[i]) 874 ; 875 } 876 // The last component was pushed off the end - append it. 877 if (!CurrentComponent.empty()) 878 Components.push_back(CurrentComponent); 879 880 // Advance Idx to the component's new position. 881 while (++Idx < array_lengthof(Found) && Found[Idx]) 882 ; 883 } while (Idx < Pos); // Add more until the final position is reached. 884 } 885 assert(Pos < Components.size() && Components[Pos] == Comp && 886 "Component moved wrong!"); 887 Found[Pos] = true; 888 break; 889 } 890 } 891 892 // Replace empty components with "unknown" value. 893 for (unsigned i = 0, e = Components.size(); i < e; ++i) { 894 if (Components[i].empty()) 895 Components[i] = "unknown"; 896 } 897 898 // Special case logic goes here. At this point Arch, Vendor and OS have the 899 // correct values for the computed components. 900 std::string NormalizedEnvironment; 901 if (Environment == Triple::Android && Components[3].startswith("androideabi")) { 902 StringRef AndroidVersion = Components[3].drop_front(strlen("androideabi")); 903 if (AndroidVersion.empty()) { 904 Components[3] = "android"; 905 } else { 906 NormalizedEnvironment = Twine("android", AndroidVersion).str(); 907 Components[3] = NormalizedEnvironment; 908 } 909 } 910 911 // SUSE uses "gnueabi" to mean "gnueabihf" 912 if (Vendor == Triple::SUSE && Environment == llvm::Triple::GNUEABI) 913 Components[3] = "gnueabihf"; 914 915 if (OS == Triple::Win32) { 916 Components.resize(4); 917 Components[2] = "windows"; 918 if (Environment == UnknownEnvironment) { 919 if (ObjectFormat == UnknownObjectFormat || ObjectFormat == Triple::COFF) 920 Components[3] = "msvc"; 921 else 922 Components[3] = getObjectFormatTypeName(ObjectFormat); 923 } 924 } else if (IsMinGW32) { 925 Components.resize(4); 926 Components[2] = "windows"; 927 Components[3] = "gnu"; 928 } else if (IsCygwin) { 929 Components.resize(4); 930 Components[2] = "windows"; 931 Components[3] = "cygnus"; 932 } 933 if (IsMinGW32 || IsCygwin || 934 (OS == Triple::Win32 && Environment != UnknownEnvironment)) { 935 if (ObjectFormat != UnknownObjectFormat && ObjectFormat != Triple::COFF) { 936 Components.resize(5); 937 Components[4] = getObjectFormatTypeName(ObjectFormat); 938 } 939 } 940 941 // Stick the corrected components back together to form the normalized string. 942 std::string Normalized; 943 for (unsigned i = 0, e = Components.size(); i != e; ++i) { 944 if (i) Normalized += '-'; 945 Normalized += Components[i]; 946 } 947 return Normalized; 948 } 949 950 StringRef Triple::getArchName() const { 951 return StringRef(Data).split('-').first; // Isolate first component 952 } 953 954 StringRef Triple::getVendorName() const { 955 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component 956 return Tmp.split('-').first; // Isolate second component 957 } 958 959 StringRef Triple::getOSName() const { 960 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component 961 Tmp = Tmp.split('-').second; // Strip second component 962 return Tmp.split('-').first; // Isolate third component 963 } 964 965 StringRef Triple::getEnvironmentName() const { 966 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component 967 Tmp = Tmp.split('-').second; // Strip second component 968 return Tmp.split('-').second; // Strip third component 969 } 970 971 StringRef Triple::getOSAndEnvironmentName() const { 972 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component 973 return Tmp.split('-').second; // Strip second component 974 } 975 976 static unsigned EatNumber(StringRef &Str) { 977 assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number"); 978 unsigned Result = 0; 979 980 do { 981 // Consume the leading digit. 982 Result = Result*10 + (Str[0] - '0'); 983 984 // Eat the digit. 985 Str = Str.substr(1); 986 } while (!Str.empty() && Str[0] >= '0' && Str[0] <= '9'); 987 988 return Result; 989 } 990 991 static void parseVersionFromName(StringRef Name, unsigned &Major, 992 unsigned &Minor, unsigned &Micro) { 993 // Any unset version defaults to 0. 994 Major = Minor = Micro = 0; 995 996 // Parse up to three components. 997 unsigned *Components[3] = {&Major, &Minor, &Micro}; 998 for (unsigned i = 0; i != 3; ++i) { 999 if (Name.empty() || Name[0] < '0' || Name[0] > '9') 1000 break; 1001 1002 // Consume the leading number. 1003 *Components[i] = EatNumber(Name); 1004 1005 // Consume the separator, if present. 1006 if (Name.startswith(".")) 1007 Name = Name.substr(1); 1008 } 1009 } 1010 1011 void Triple::getEnvironmentVersion(unsigned &Major, unsigned &Minor, 1012 unsigned &Micro) const { 1013 StringRef EnvironmentName = getEnvironmentName(); 1014 StringRef EnvironmentTypeName = getEnvironmentTypeName(getEnvironment()); 1015 if (EnvironmentName.startswith(EnvironmentTypeName)) 1016 EnvironmentName = EnvironmentName.substr(EnvironmentTypeName.size()); 1017 1018 parseVersionFromName(EnvironmentName, Major, Minor, Micro); 1019 } 1020 1021 void Triple::getOSVersion(unsigned &Major, unsigned &Minor, 1022 unsigned &Micro) const { 1023 StringRef OSName = getOSName(); 1024 // Assume that the OS portion of the triple starts with the canonical name. 1025 StringRef OSTypeName = getOSTypeName(getOS()); 1026 if (OSName.startswith(OSTypeName)) 1027 OSName = OSName.substr(OSTypeName.size()); 1028 else if (getOS() == MacOSX) 1029 OSName.consume_front("macos"); 1030 1031 parseVersionFromName(OSName, Major, Minor, Micro); 1032 } 1033 1034 bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor, 1035 unsigned &Micro) const { 1036 getOSVersion(Major, Minor, Micro); 1037 1038 switch (getOS()) { 1039 default: llvm_unreachable("unexpected OS for Darwin triple"); 1040 case Darwin: 1041 // Default to darwin8, i.e., MacOSX 10.4. 1042 if (Major == 0) 1043 Major = 8; 1044 // Darwin version numbers are skewed from OS X versions. 1045 if (Major < 4) 1046 return false; 1047 Micro = 0; 1048 Minor = Major - 4; 1049 Major = 10; 1050 break; 1051 case MacOSX: 1052 // Default to 10.4. 1053 if (Major == 0) { 1054 Major = 10; 1055 Minor = 4; 1056 } 1057 if (Major != 10) 1058 return false; 1059 break; 1060 case IOS: 1061 case TvOS: 1062 case WatchOS: 1063 // Ignore the version from the triple. This is only handled because the 1064 // the clang driver combines OS X and IOS support into a common Darwin 1065 // toolchain that wants to know the OS X version number even when targeting 1066 // IOS. 1067 Major = 10; 1068 Minor = 4; 1069 Micro = 0; 1070 break; 1071 } 1072 return true; 1073 } 1074 1075 void Triple::getiOSVersion(unsigned &Major, unsigned &Minor, 1076 unsigned &Micro) const { 1077 switch (getOS()) { 1078 default: llvm_unreachable("unexpected OS for Darwin triple"); 1079 case Darwin: 1080 case MacOSX: 1081 // Ignore the version from the triple. This is only handled because the 1082 // the clang driver combines OS X and IOS support into a common Darwin 1083 // toolchain that wants to know the iOS version number even when targeting 1084 // OS X. 1085 Major = 5; 1086 Minor = 0; 1087 Micro = 0; 1088 break; 1089 case IOS: 1090 case TvOS: 1091 getOSVersion(Major, Minor, Micro); 1092 // Default to 5.0 (or 7.0 for arm64). 1093 if (Major == 0) 1094 Major = (getArch() == aarch64) ? 7 : 5; 1095 break; 1096 case WatchOS: 1097 llvm_unreachable("conflicting triple info"); 1098 } 1099 } 1100 1101 void Triple::getWatchOSVersion(unsigned &Major, unsigned &Minor, 1102 unsigned &Micro) const { 1103 switch (getOS()) { 1104 default: llvm_unreachable("unexpected OS for Darwin triple"); 1105 case Darwin: 1106 case MacOSX: 1107 // Ignore the version from the triple. This is only handled because the 1108 // the clang driver combines OS X and IOS support into a common Darwin 1109 // toolchain that wants to know the iOS version number even when targeting 1110 // OS X. 1111 Major = 2; 1112 Minor = 0; 1113 Micro = 0; 1114 break; 1115 case WatchOS: 1116 getOSVersion(Major, Minor, Micro); 1117 if (Major == 0) 1118 Major = 2; 1119 break; 1120 case IOS: 1121 llvm_unreachable("conflicting triple info"); 1122 } 1123 } 1124 1125 void Triple::setTriple(const Twine &Str) { 1126 *this = Triple(Str); 1127 } 1128 1129 void Triple::setArch(ArchType Kind) { 1130 setArchName(getArchTypeName(Kind)); 1131 } 1132 1133 void Triple::setVendor(VendorType Kind) { 1134 setVendorName(getVendorTypeName(Kind)); 1135 } 1136 1137 void Triple::setOS(OSType Kind) { 1138 setOSName(getOSTypeName(Kind)); 1139 } 1140 1141 void Triple::setEnvironment(EnvironmentType Kind) { 1142 if (ObjectFormat == getDefaultFormat(*this)) 1143 return setEnvironmentName(getEnvironmentTypeName(Kind)); 1144 1145 setEnvironmentName((getEnvironmentTypeName(Kind) + Twine("-") + 1146 getObjectFormatTypeName(ObjectFormat)).str()); 1147 } 1148 1149 void Triple::setObjectFormat(ObjectFormatType Kind) { 1150 if (Environment == UnknownEnvironment) 1151 return setEnvironmentName(getObjectFormatTypeName(Kind)); 1152 1153 setEnvironmentName((getEnvironmentTypeName(Environment) + Twine("-") + 1154 getObjectFormatTypeName(Kind)).str()); 1155 } 1156 1157 void Triple::setArchName(StringRef Str) { 1158 // Work around a miscompilation bug for Twines in gcc 4.0.3. 1159 SmallString<64> Triple; 1160 Triple += Str; 1161 Triple += "-"; 1162 Triple += getVendorName(); 1163 Triple += "-"; 1164 Triple += getOSAndEnvironmentName(); 1165 setTriple(Triple); 1166 } 1167 1168 void Triple::setVendorName(StringRef Str) { 1169 setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName()); 1170 } 1171 1172 void Triple::setOSName(StringRef Str) { 1173 if (hasEnvironment()) 1174 setTriple(getArchName() + "-" + getVendorName() + "-" + Str + 1175 "-" + getEnvironmentName()); 1176 else 1177 setTriple(getArchName() + "-" + getVendorName() + "-" + Str); 1178 } 1179 1180 void Triple::setEnvironmentName(StringRef Str) { 1181 setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() + 1182 "-" + Str); 1183 } 1184 1185 void Triple::setOSAndEnvironmentName(StringRef Str) { 1186 setTriple(getArchName() + "-" + getVendorName() + "-" + Str); 1187 } 1188 1189 static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) { 1190 switch (Arch) { 1191 case llvm::Triple::UnknownArch: 1192 return 0; 1193 1194 case llvm::Triple::avr: 1195 case llvm::Triple::msp430: 1196 return 16; 1197 1198 case llvm::Triple::arc: 1199 case llvm::Triple::arm: 1200 case llvm::Triple::armeb: 1201 case llvm::Triple::hexagon: 1202 case llvm::Triple::le32: 1203 case llvm::Triple::mips: 1204 case llvm::Triple::mipsel: 1205 case llvm::Triple::nios2: 1206 case llvm::Triple::nvptx: 1207 case llvm::Triple::ppc: 1208 case llvm::Triple::r600: 1209 case llvm::Triple::riscv32: 1210 case llvm::Triple::sparc: 1211 case llvm::Triple::sparcel: 1212 case llvm::Triple::tce: 1213 case llvm::Triple::tcele: 1214 case llvm::Triple::thumb: 1215 case llvm::Triple::thumbeb: 1216 case llvm::Triple::x86: 1217 case llvm::Triple::xcore: 1218 case llvm::Triple::amdil: 1219 case llvm::Triple::hsail: 1220 case llvm::Triple::spir: 1221 case llvm::Triple::kalimba: 1222 case llvm::Triple::lanai: 1223 case llvm::Triple::shave: 1224 case llvm::Triple::wasm32: 1225 case llvm::Triple::renderscript32: 1226 return 32; 1227 1228 case llvm::Triple::aarch64: 1229 case llvm::Triple::aarch64_be: 1230 case llvm::Triple::amdgcn: 1231 case llvm::Triple::bpfel: 1232 case llvm::Triple::bpfeb: 1233 case llvm::Triple::le64: 1234 case llvm::Triple::mips64: 1235 case llvm::Triple::mips64el: 1236 case llvm::Triple::nvptx64: 1237 case llvm::Triple::ppc64: 1238 case llvm::Triple::ppc64le: 1239 case llvm::Triple::riscv64: 1240 case llvm::Triple::sparcv9: 1241 case llvm::Triple::systemz: 1242 case llvm::Triple::x86_64: 1243 case llvm::Triple::amdil64: 1244 case llvm::Triple::hsail64: 1245 case llvm::Triple::spir64: 1246 case llvm::Triple::wasm64: 1247 case llvm::Triple::renderscript64: 1248 return 64; 1249 } 1250 llvm_unreachable("Invalid architecture value"); 1251 } 1252 1253 bool Triple::isArch64Bit() const { 1254 return getArchPointerBitWidth(getArch()) == 64; 1255 } 1256 1257 bool Triple::isArch32Bit() const { 1258 return getArchPointerBitWidth(getArch()) == 32; 1259 } 1260 1261 bool Triple::isArch16Bit() const { 1262 return getArchPointerBitWidth(getArch()) == 16; 1263 } 1264 1265 Triple Triple::get32BitArchVariant() const { 1266 Triple T(*this); 1267 switch (getArch()) { 1268 case Triple::UnknownArch: 1269 case Triple::amdgcn: 1270 case Triple::avr: 1271 case Triple::bpfel: 1272 case Triple::bpfeb: 1273 case Triple::msp430: 1274 case Triple::systemz: 1275 case Triple::ppc64le: 1276 T.setArch(UnknownArch); 1277 break; 1278 1279 case Triple::amdil: 1280 case Triple::hsail: 1281 case Triple::spir: 1282 case Triple::arc: 1283 case Triple::arm: 1284 case Triple::armeb: 1285 case Triple::hexagon: 1286 case Triple::kalimba: 1287 case Triple::le32: 1288 case Triple::mips: 1289 case Triple::mipsel: 1290 case Triple::nios2: 1291 case Triple::nvptx: 1292 case Triple::ppc: 1293 case Triple::r600: 1294 case Triple::riscv32: 1295 case Triple::sparc: 1296 case Triple::sparcel: 1297 case Triple::tce: 1298 case Triple::tcele: 1299 case Triple::thumb: 1300 case Triple::thumbeb: 1301 case Triple::x86: 1302 case Triple::xcore: 1303 case Triple::lanai: 1304 case Triple::shave: 1305 case Triple::wasm32: 1306 case Triple::renderscript32: 1307 // Already 32-bit. 1308 break; 1309 1310 case Triple::aarch64: T.setArch(Triple::arm); break; 1311 case Triple::aarch64_be: T.setArch(Triple::armeb); break; 1312 case Triple::le64: T.setArch(Triple::le32); break; 1313 case Triple::mips64: T.setArch(Triple::mips); break; 1314 case Triple::mips64el: T.setArch(Triple::mipsel); break; 1315 case Triple::nvptx64: T.setArch(Triple::nvptx); break; 1316 case Triple::ppc64: T.setArch(Triple::ppc); break; 1317 case Triple::sparcv9: T.setArch(Triple::sparc); break; 1318 case Triple::riscv64: T.setArch(Triple::riscv32); break; 1319 case Triple::x86_64: T.setArch(Triple::x86); break; 1320 case Triple::amdil64: T.setArch(Triple::amdil); break; 1321 case Triple::hsail64: T.setArch(Triple::hsail); break; 1322 case Triple::spir64: T.setArch(Triple::spir); break; 1323 case Triple::wasm64: T.setArch(Triple::wasm32); break; 1324 case Triple::renderscript64: T.setArch(Triple::renderscript32); break; 1325 } 1326 return T; 1327 } 1328 1329 Triple Triple::get64BitArchVariant() const { 1330 Triple T(*this); 1331 switch (getArch()) { 1332 case Triple::UnknownArch: 1333 case Triple::arc: 1334 case Triple::avr: 1335 case Triple::hexagon: 1336 case Triple::kalimba: 1337 case Triple::lanai: 1338 case Triple::msp430: 1339 case Triple::nios2: 1340 case Triple::r600: 1341 case Triple::tce: 1342 case Triple::tcele: 1343 case Triple::xcore: 1344 case Triple::sparcel: 1345 case Triple::shave: 1346 T.setArch(UnknownArch); 1347 break; 1348 1349 case Triple::aarch64: 1350 case Triple::aarch64_be: 1351 case Triple::bpfel: 1352 case Triple::bpfeb: 1353 case Triple::le64: 1354 case Triple::amdil64: 1355 case Triple::amdgcn: 1356 case Triple::hsail64: 1357 case Triple::spir64: 1358 case Triple::mips64: 1359 case Triple::mips64el: 1360 case Triple::nvptx64: 1361 case Triple::ppc64: 1362 case Triple::ppc64le: 1363 case Triple::riscv64: 1364 case Triple::sparcv9: 1365 case Triple::systemz: 1366 case Triple::x86_64: 1367 case Triple::wasm64: 1368 case Triple::renderscript64: 1369 // Already 64-bit. 1370 break; 1371 1372 case Triple::arm: T.setArch(Triple::aarch64); break; 1373 case Triple::armeb: T.setArch(Triple::aarch64_be); break; 1374 case Triple::le32: T.setArch(Triple::le64); break; 1375 case Triple::mips: T.setArch(Triple::mips64); break; 1376 case Triple::mipsel: T.setArch(Triple::mips64el); break; 1377 case Triple::nvptx: T.setArch(Triple::nvptx64); break; 1378 case Triple::ppc: T.setArch(Triple::ppc64); break; 1379 case Triple::sparc: T.setArch(Triple::sparcv9); break; 1380 case Triple::riscv32: T.setArch(Triple::riscv64); break; 1381 case Triple::x86: T.setArch(Triple::x86_64); break; 1382 case Triple::amdil: T.setArch(Triple::amdil64); break; 1383 case Triple::hsail: T.setArch(Triple::hsail64); break; 1384 case Triple::spir: T.setArch(Triple::spir64); break; 1385 case Triple::thumb: T.setArch(Triple::aarch64); break; 1386 case Triple::thumbeb: T.setArch(Triple::aarch64_be); break; 1387 case Triple::wasm32: T.setArch(Triple::wasm64); break; 1388 case Triple::renderscript32: T.setArch(Triple::renderscript64); break; 1389 } 1390 return T; 1391 } 1392 1393 Triple Triple::getBigEndianArchVariant() const { 1394 Triple T(*this); 1395 // Already big endian. 1396 if (!isLittleEndian()) 1397 return T; 1398 switch (getArch()) { 1399 case Triple::UnknownArch: 1400 case Triple::amdgcn: 1401 case Triple::amdil64: 1402 case Triple::amdil: 1403 case Triple::avr: 1404 case Triple::hexagon: 1405 case Triple::hsail64: 1406 case Triple::hsail: 1407 case Triple::kalimba: 1408 case Triple::le32: 1409 case Triple::le64: 1410 case Triple::msp430: 1411 case Triple::nios2: 1412 case Triple::nvptx64: 1413 case Triple::nvptx: 1414 case Triple::r600: 1415 case Triple::riscv32: 1416 case Triple::riscv64: 1417 case Triple::shave: 1418 case Triple::spir64: 1419 case Triple::spir: 1420 case Triple::wasm32: 1421 case Triple::wasm64: 1422 case Triple::x86: 1423 case Triple::x86_64: 1424 case Triple::xcore: 1425 case Triple::renderscript32: 1426 case Triple::renderscript64: 1427 1428 // ARM is intentionally unsupported here, changing the architecture would 1429 // drop any arch suffixes. 1430 case Triple::arm: 1431 case Triple::thumb: 1432 T.setArch(UnknownArch); 1433 break; 1434 1435 case Triple::tcele: T.setArch(Triple::tce); break; 1436 case Triple::aarch64: T.setArch(Triple::aarch64_be); break; 1437 case Triple::bpfel: T.setArch(Triple::bpfeb); break; 1438 case Triple::mips64el:T.setArch(Triple::mips64); break; 1439 case Triple::mipsel: T.setArch(Triple::mips); break; 1440 case Triple::ppc64le: T.setArch(Triple::ppc64); break; 1441 case Triple::sparcel: T.setArch(Triple::sparc); break; 1442 default: 1443 llvm_unreachable("getBigEndianArchVariant: unknown triple."); 1444 } 1445 return T; 1446 } 1447 1448 Triple Triple::getLittleEndianArchVariant() const { 1449 Triple T(*this); 1450 if (isLittleEndian()) 1451 return T; 1452 1453 switch (getArch()) { 1454 case Triple::UnknownArch: 1455 case Triple::lanai: 1456 case Triple::ppc: 1457 case Triple::sparcv9: 1458 case Triple::systemz: 1459 1460 // ARM is intentionally unsupported here, changing the architecture would 1461 // drop any arch suffixes. 1462 case Triple::armeb: 1463 case Triple::thumbeb: 1464 T.setArch(UnknownArch); 1465 break; 1466 1467 case Triple::tce: T.setArch(Triple::tcele); break; 1468 case Triple::aarch64_be: T.setArch(Triple::aarch64); break; 1469 case Triple::bpfeb: T.setArch(Triple::bpfel); break; 1470 case Triple::mips64: T.setArch(Triple::mips64el); break; 1471 case Triple::mips: T.setArch(Triple::mipsel); break; 1472 case Triple::ppc64: T.setArch(Triple::ppc64le); break; 1473 case Triple::sparc: T.setArch(Triple::sparcel); break; 1474 default: 1475 llvm_unreachable("getLittleEndianArchVariant: unknown triple."); 1476 } 1477 return T; 1478 } 1479 1480 bool Triple::isLittleEndian() const { 1481 switch (getArch()) { 1482 case Triple::aarch64: 1483 case Triple::amdgcn: 1484 case Triple::amdil64: 1485 case Triple::amdil: 1486 case Triple::arm: 1487 case Triple::avr: 1488 case Triple::bpfel: 1489 case Triple::hexagon: 1490 case Triple::hsail64: 1491 case Triple::hsail: 1492 case Triple::kalimba: 1493 case Triple::le32: 1494 case Triple::le64: 1495 case Triple::mips64el: 1496 case Triple::mipsel: 1497 case Triple::msp430: 1498 case Triple::nios2: 1499 case Triple::nvptx64: 1500 case Triple::nvptx: 1501 case Triple::ppc64le: 1502 case Triple::r600: 1503 case Triple::riscv32: 1504 case Triple::riscv64: 1505 case Triple::shave: 1506 case Triple::sparcel: 1507 case Triple::spir64: 1508 case Triple::spir: 1509 case Triple::thumb: 1510 case Triple::wasm32: 1511 case Triple::wasm64: 1512 case Triple::x86: 1513 case Triple::x86_64: 1514 case Triple::xcore: 1515 case Triple::tcele: 1516 case Triple::renderscript32: 1517 case Triple::renderscript64: 1518 return true; 1519 default: 1520 return false; 1521 } 1522 } 1523 1524 bool Triple::isCompatibleWith(const Triple &Other) const { 1525 // ARM and Thumb triples are compatible, if subarch, vendor and OS match. 1526 if ((getArch() == Triple::thumb && Other.getArch() == Triple::arm) || 1527 (getArch() == Triple::arm && Other.getArch() == Triple::thumb) || 1528 (getArch() == Triple::thumbeb && Other.getArch() == Triple::armeb) || 1529 (getArch() == Triple::armeb && Other.getArch() == Triple::thumbeb)) { 1530 if (getVendor() == Triple::Apple) 1531 return getSubArch() == Other.getSubArch() && 1532 getVendor() == Other.getVendor() && getOS() == Other.getOS(); 1533 else 1534 return getSubArch() == Other.getSubArch() && 1535 getVendor() == Other.getVendor() && getOS() == Other.getOS() && 1536 getEnvironment() == Other.getEnvironment() && 1537 getObjectFormat() == Other.getObjectFormat(); 1538 } 1539 1540 // If vendor is apple, ignore the version number. 1541 if (getVendor() == Triple::Apple) 1542 return getArch() == Other.getArch() && getSubArch() == Other.getSubArch() && 1543 getVendor() == Other.getVendor() && getOS() == Other.getOS(); 1544 1545 return *this == Other; 1546 } 1547 1548 std::string Triple::merge(const Triple &Other) const { 1549 // If vendor is apple, pick the triple with the larger version number. 1550 if (getVendor() == Triple::Apple) 1551 if (Other.isOSVersionLT(*this)) 1552 return str(); 1553 1554 return Other.str(); 1555 } 1556 1557 StringRef Triple::getARMCPUForArch(StringRef MArch) const { 1558 if (MArch.empty()) 1559 MArch = getArchName(); 1560 MArch = ARM::getCanonicalArchName(MArch); 1561 1562 // Some defaults are forced. 1563 switch (getOS()) { 1564 case llvm::Triple::FreeBSD: 1565 case llvm::Triple::NetBSD: 1566 if (!MArch.empty() && MArch == "v6") 1567 return "arm1176jzf-s"; 1568 break; 1569 case llvm::Triple::Win32: 1570 // FIXME: this is invalid for WindowsCE 1571 return "cortex-a9"; 1572 case llvm::Triple::MacOSX: 1573 case llvm::Triple::IOS: 1574 case llvm::Triple::WatchOS: 1575 case llvm::Triple::TvOS: 1576 if (MArch == "v7k") 1577 return "cortex-a7"; 1578 break; 1579 default: 1580 break; 1581 } 1582 1583 if (MArch.empty()) 1584 return StringRef(); 1585 1586 StringRef CPU = ARM::getDefaultCPU(MArch); 1587 if (!CPU.empty() && !CPU.equals("invalid")) 1588 return CPU; 1589 1590 // If no specific architecture version is requested, return the minimum CPU 1591 // required by the OS and environment. 1592 switch (getOS()) { 1593 case llvm::Triple::NetBSD: 1594 switch (getEnvironment()) { 1595 case llvm::Triple::GNUEABIHF: 1596 case llvm::Triple::GNUEABI: 1597 case llvm::Triple::EABIHF: 1598 case llvm::Triple::EABI: 1599 return "arm926ej-s"; 1600 default: 1601 return "strongarm"; 1602 } 1603 case llvm::Triple::NaCl: 1604 case llvm::Triple::OpenBSD: 1605 return "cortex-a8"; 1606 default: 1607 switch (getEnvironment()) { 1608 case llvm::Triple::EABIHF: 1609 case llvm::Triple::GNUEABIHF: 1610 case llvm::Triple::MuslEABIHF: 1611 return "arm1176jzf-s"; 1612 default: 1613 return "arm7tdmi"; 1614 } 1615 } 1616 1617 llvm_unreachable("invalid arch name"); 1618 } 1619