1 //===--- Triple.cpp - Target triple helper class --------------------------===//
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 #include "llvm/ADT/Triple.h"
10 #include "llvm/ADT/STLExtras.h"
11 #include "llvm/ADT/SmallString.h"
12 #include "llvm/ADT/StringExtras.h"
13 #include "llvm/ADT/StringSwitch.h"
14 #include "llvm/Support/ErrorHandling.h"
15 #include "llvm/Support/Host.h"
16 #include "llvm/Support/SwapByteOrder.h"
17 #include "llvm/Support/TargetParser.h"
18 #include "llvm/Support/VersionTuple.h"
19 #include <cassert>
20 #include <cstring>
21 using namespace llvm;
22
getArchTypeName(ArchType Kind)23 StringRef Triple::getArchTypeName(ArchType Kind) {
24 switch (Kind) {
25 case UnknownArch: return "unknown";
26
27 case aarch64: return "aarch64";
28 case aarch64_32: return "aarch64_32";
29 case aarch64_be: return "aarch64_be";
30 case amdgcn: return "amdgcn";
31 case amdil64: return "amdil64";
32 case amdil: return "amdil";
33 case arc: return "arc";
34 case arm: return "arm";
35 case armeb: return "armeb";
36 case avr: return "avr";
37 case bpfeb: return "bpfeb";
38 case bpfel: return "bpfel";
39 case csky: return "csky";
40 case hexagon: return "hexagon";
41 case hsail64: return "hsail64";
42 case hsail: return "hsail";
43 case kalimba: return "kalimba";
44 case lanai: return "lanai";
45 case le32: return "le32";
46 case le64: return "le64";
47 case m68k: return "m68k";
48 case mips64: return "mips64";
49 case mips64el: return "mips64el";
50 case mips: return "mips";
51 case mipsel: return "mipsel";
52 case msp430: return "msp430";
53 case nvptx64: return "nvptx64";
54 case nvptx: return "nvptx";
55 case ppc64: return "powerpc64";
56 case ppc64le: return "powerpc64le";
57 case ppc: return "powerpc";
58 case ppcle: return "powerpcle";
59 case r600: return "r600";
60 case renderscript32: return "renderscript32";
61 case renderscript64: return "renderscript64";
62 case riscv32: return "riscv32";
63 case riscv64: return "riscv64";
64 case shave: return "shave";
65 case sparc: return "sparc";
66 case sparcel: return "sparcel";
67 case sparcv9: return "sparcv9";
68 case spir64: return "spir64";
69 case spir: return "spir";
70 case systemz: return "s390x";
71 case tce: return "tce";
72 case tcele: return "tcele";
73 case thumb: return "thumb";
74 case thumbeb: return "thumbeb";
75 case ve: return "ve";
76 case wasm32: return "wasm32";
77 case wasm64: return "wasm64";
78 case x86: return "i386";
79 case x86_64: return "x86_64";
80 case xcore: return "xcore";
81 }
82
83 llvm_unreachable("Invalid ArchType!");
84 }
85
getArchTypePrefix(ArchType Kind)86 StringRef Triple::getArchTypePrefix(ArchType Kind) {
87 switch (Kind) {
88 default:
89 return StringRef();
90
91 case aarch64:
92 case aarch64_be:
93 case aarch64_32: return "aarch64";
94
95 case arc: return "arc";
96
97 case arm:
98 case armeb:
99 case thumb:
100 case thumbeb: return "arm";
101
102 case avr: return "avr";
103
104 case ppc64:
105 case ppc64le:
106 case ppc:
107 case ppcle: return "ppc";
108
109 case m68k: return "m68k";
110
111 case mips:
112 case mipsel:
113 case mips64:
114 case mips64el: return "mips";
115
116 case hexagon: return "hexagon";
117
118 case amdgcn: return "amdgcn";
119 case r600: return "r600";
120
121 case bpfel:
122 case bpfeb: return "bpf";
123
124 case sparcv9:
125 case sparcel:
126 case sparc: return "sparc";
127
128 case systemz: return "s390";
129
130 case x86:
131 case x86_64: return "x86";
132
133 case xcore: return "xcore";
134
135 // NVPTX intrinsics are namespaced under nvvm.
136 case nvptx: return "nvvm";
137 case nvptx64: return "nvvm";
138
139 case le32: return "le32";
140 case le64: return "le64";
141
142 case amdil:
143 case amdil64: return "amdil";
144
145 case hsail:
146 case hsail64: return "hsail";
147
148 case spir:
149 case spir64: return "spir";
150 case kalimba: return "kalimba";
151 case lanai: return "lanai";
152 case shave: return "shave";
153 case wasm32:
154 case wasm64: return "wasm";
155
156 case riscv32:
157 case riscv64: return "riscv";
158
159 case ve: return "ve";
160 case csky: return "csky";
161 }
162 }
163
getVendorTypeName(VendorType Kind)164 StringRef Triple::getVendorTypeName(VendorType Kind) {
165 switch (Kind) {
166 case UnknownVendor: return "unknown";
167
168 case AMD: return "amd";
169 case Apple: return "apple";
170 case CSR: return "csr";
171 case Freescale: return "fsl";
172 case IBM: return "ibm";
173 case ImaginationTechnologies: return "img";
174 case Mesa: return "mesa";
175 case MipsTechnologies: return "mti";
176 case Myriad: return "myriad";
177 case NVIDIA: return "nvidia";
178 case OpenEmbedded: return "oe";
179 case PC: return "pc";
180 case SCEI: return "scei";
181 case SUSE: return "suse";
182 }
183
184 llvm_unreachable("Invalid VendorType!");
185 }
186
getOSTypeName(OSType Kind)187 StringRef Triple::getOSTypeName(OSType Kind) {
188 switch (Kind) {
189 case UnknownOS: return "unknown";
190
191 case AIX: return "aix";
192 case AMDHSA: return "amdhsa";
193 case AMDPAL: return "amdpal";
194 case Ananas: return "ananas";
195 case CUDA: return "cuda";
196 case CloudABI: return "cloudabi";
197 case Contiki: return "contiki";
198 case Darwin: return "darwin";
199 case DragonFly: return "dragonfly";
200 case ELFIAMCU: return "elfiamcu";
201 case Emscripten: return "emscripten";
202 case FreeBSD: return "freebsd";
203 case Fuchsia: return "fuchsia";
204 case Haiku: return "haiku";
205 case HermitCore: return "hermit";
206 case Hurd: return "hurd";
207 case IOS: return "ios";
208 case KFreeBSD: return "kfreebsd";
209 case Linux: return "linux";
210 case Lv2: return "lv2";
211 case MacOSX: return "macosx";
212 case Mesa3D: return "mesa3d";
213 case Minix: return "minix";
214 case NVCL: return "nvcl";
215 case NaCl: return "nacl";
216 case NetBSD: return "netbsd";
217 case OpenBSD: return "openbsd";
218 case PS4: return "ps4";
219 case RTEMS: return "rtems";
220 case Solaris: return "solaris";
221 case TvOS: return "tvos";
222 case WASI: return "wasi";
223 case WatchOS: return "watchos";
224 case Win32: return "windows";
225 case ZOS: return "zos";
226 }
227
228 llvm_unreachable("Invalid OSType");
229 }
230
getEnvironmentTypeName(EnvironmentType Kind)231 StringRef Triple::getEnvironmentTypeName(EnvironmentType Kind) {
232 switch (Kind) {
233 case UnknownEnvironment: return "unknown";
234 case Android: return "android";
235 case CODE16: return "code16";
236 case CoreCLR: return "coreclr";
237 case Cygnus: return "cygnus";
238 case EABI: return "eabi";
239 case EABIHF: return "eabihf";
240 case GNU: return "gnu";
241 case GNUABI64: return "gnuabi64";
242 case GNUABIN32: return "gnuabin32";
243 case GNUEABI: return "gnueabi";
244 case GNUEABIHF: return "gnueabihf";
245 case GNUX32: return "gnux32";
246 case GNUILP32: return "gnu_ilp32";
247 case Itanium: return "itanium";
248 case MSVC: return "msvc";
249 case MacABI: return "macabi";
250 case Musl: return "musl";
251 case MuslEABI: return "musleabi";
252 case MuslEABIHF: return "musleabihf";
253 case MuslX32: return "muslx32";
254 case Simulator: return "simulator";
255 }
256
257 llvm_unreachable("Invalid EnvironmentType!");
258 }
259
parseBPFArch(StringRef ArchName)260 static Triple::ArchType parseBPFArch(StringRef ArchName) {
261 if (ArchName.equals("bpf")) {
262 if (sys::IsLittleEndianHost)
263 return Triple::bpfel;
264 else
265 return Triple::bpfeb;
266 } else if (ArchName.equals("bpf_be") || ArchName.equals("bpfeb")) {
267 return Triple::bpfeb;
268 } else if (ArchName.equals("bpf_le") || ArchName.equals("bpfel")) {
269 return Triple::bpfel;
270 } else {
271 return Triple::UnknownArch;
272 }
273 }
274
getArchTypeForLLVMName(StringRef Name)275 Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
276 Triple::ArchType BPFArch(parseBPFArch(Name));
277 return StringSwitch<Triple::ArchType>(Name)
278 .Case("aarch64", aarch64)
279 .Case("aarch64_be", aarch64_be)
280 .Case("aarch64_32", aarch64_32)
281 .Case("arc", arc)
282 .Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
283 .Case("arm64_32", aarch64_32)
284 .Case("arm", arm)
285 .Case("armeb", armeb)
286 .Case("avr", avr)
287 .StartsWith("bpf", BPFArch)
288 .Case("m68k", m68k)
289 .Case("mips", mips)
290 .Case("mipsel", mipsel)
291 .Case("mips64", mips64)
292 .Case("mips64el", mips64el)
293 .Case("msp430", msp430)
294 .Case("ppc64", ppc64)
295 .Case("ppc32", ppc)
296 .Case("ppc", ppc)
297 .Case("ppc32le", ppcle)
298 .Case("ppcle", ppcle)
299 .Case("ppc64le", ppc64le)
300 .Case("r600", r600)
301 .Case("amdgcn", amdgcn)
302 .Case("riscv32", riscv32)
303 .Case("riscv64", riscv64)
304 .Case("hexagon", hexagon)
305 .Case("sparc", sparc)
306 .Case("sparcel", sparcel)
307 .Case("sparcv9", sparcv9)
308 .Case("systemz", systemz)
309 .Case("tce", tce)
310 .Case("tcele", tcele)
311 .Case("thumb", thumb)
312 .Case("thumbeb", thumbeb)
313 .Case("x86", x86)
314 .Case("x86-64", x86_64)
315 .Case("xcore", xcore)
316 .Case("nvptx", nvptx)
317 .Case("nvptx64", nvptx64)
318 .Case("le32", le32)
319 .Case("le64", le64)
320 .Case("amdil", amdil)
321 .Case("amdil64", amdil64)
322 .Case("hsail", hsail)
323 .Case("hsail64", hsail64)
324 .Case("spir", spir)
325 .Case("spir64", spir64)
326 .Case("kalimba", kalimba)
327 .Case("lanai", lanai)
328 .Case("shave", shave)
329 .Case("wasm32", wasm32)
330 .Case("wasm64", wasm64)
331 .Case("renderscript32", renderscript32)
332 .Case("renderscript64", renderscript64)
333 .Case("ve", ve)
334 .Case("csky", csky)
335 .Default(UnknownArch);
336 }
337
parseARMArch(StringRef ArchName)338 static Triple::ArchType parseARMArch(StringRef ArchName) {
339 ARM::ISAKind ISA = ARM::parseArchISA(ArchName);
340 ARM::EndianKind ENDIAN = ARM::parseArchEndian(ArchName);
341
342 Triple::ArchType arch = Triple::UnknownArch;
343 switch (ENDIAN) {
344 case ARM::EndianKind::LITTLE: {
345 switch (ISA) {
346 case ARM::ISAKind::ARM:
347 arch = Triple::arm;
348 break;
349 case ARM::ISAKind::THUMB:
350 arch = Triple::thumb;
351 break;
352 case ARM::ISAKind::AARCH64:
353 arch = Triple::aarch64;
354 break;
355 case ARM::ISAKind::INVALID:
356 break;
357 }
358 break;
359 }
360 case ARM::EndianKind::BIG: {
361 switch (ISA) {
362 case ARM::ISAKind::ARM:
363 arch = Triple::armeb;
364 break;
365 case ARM::ISAKind::THUMB:
366 arch = Triple::thumbeb;
367 break;
368 case ARM::ISAKind::AARCH64:
369 arch = Triple::aarch64_be;
370 break;
371 case ARM::ISAKind::INVALID:
372 break;
373 }
374 break;
375 }
376 case ARM::EndianKind::INVALID: {
377 break;
378 }
379 }
380
381 ArchName = ARM::getCanonicalArchName(ArchName);
382 if (ArchName.empty())
383 return Triple::UnknownArch;
384
385 // Thumb only exists in v4+
386 if (ISA == ARM::ISAKind::THUMB &&
387 (ArchName.startswith("v2") || ArchName.startswith("v3")))
388 return Triple::UnknownArch;
389
390 // Thumb only for v6m
391 ARM::ProfileKind Profile = ARM::parseArchProfile(ArchName);
392 unsigned Version = ARM::parseArchVersion(ArchName);
393 if (Profile == ARM::ProfileKind::M && Version == 6) {
394 if (ENDIAN == ARM::EndianKind::BIG)
395 return Triple::thumbeb;
396 else
397 return Triple::thumb;
398 }
399
400 return arch;
401 }
402
parseArch(StringRef ArchName)403 static Triple::ArchType parseArch(StringRef ArchName) {
404 auto AT = StringSwitch<Triple::ArchType>(ArchName)
405 .Cases("i386", "i486", "i586", "i686", Triple::x86)
406 // FIXME: Do we need to support these?
407 .Cases("i786", "i886", "i986", Triple::x86)
408 .Cases("amd64", "x86_64", "x86_64h", Triple::x86_64)
409 .Cases("powerpc", "powerpcspe", "ppc", "ppc32", Triple::ppc)
410 .Cases("powerpcle", "ppcle", "ppc32le", Triple::ppcle)
411 .Cases("powerpc64", "ppu", "ppc64", Triple::ppc64)
412 .Cases("powerpc64le", "ppc64le", Triple::ppc64le)
413 .Case("xscale", Triple::arm)
414 .Case("xscaleeb", Triple::armeb)
415 .Case("aarch64", Triple::aarch64)
416 .Case("aarch64_be", Triple::aarch64_be)
417 .Case("aarch64_32", Triple::aarch64_32)
418 .Case("arc", Triple::arc)
419 .Case("arm64", Triple::aarch64)
420 .Case("arm64_32", Triple::aarch64_32)
421 .Case("arm64e", Triple::aarch64)
422 .Case("arm", Triple::arm)
423 .Case("armeb", Triple::armeb)
424 .Case("thumb", Triple::thumb)
425 .Case("thumbeb", Triple::thumbeb)
426 .Case("avr", Triple::avr)
427 .Case("m68k", Triple::m68k)
428 .Case("msp430", Triple::msp430)
429 .Cases("mips", "mipseb", "mipsallegrex", "mipsisa32r6",
430 "mipsr6", Triple::mips)
431 .Cases("mipsel", "mipsallegrexel", "mipsisa32r6el", "mipsr6el",
432 Triple::mipsel)
433 .Cases("mips64", "mips64eb", "mipsn32", "mipsisa64r6",
434 "mips64r6", "mipsn32r6", Triple::mips64)
435 .Cases("mips64el", "mipsn32el", "mipsisa64r6el", "mips64r6el",
436 "mipsn32r6el", Triple::mips64el)
437 .Case("r600", Triple::r600)
438 .Case("amdgcn", Triple::amdgcn)
439 .Case("riscv32", Triple::riscv32)
440 .Case("riscv64", Triple::riscv64)
441 .Case("hexagon", Triple::hexagon)
442 .Cases("s390x", "systemz", Triple::systemz)
443 .Case("sparc", Triple::sparc)
444 .Case("sparcel", Triple::sparcel)
445 .Cases("sparcv9", "sparc64", Triple::sparcv9)
446 .Case("tce", Triple::tce)
447 .Case("tcele", Triple::tcele)
448 .Case("xcore", Triple::xcore)
449 .Case("nvptx", Triple::nvptx)
450 .Case("nvptx64", Triple::nvptx64)
451 .Case("le32", Triple::le32)
452 .Case("le64", Triple::le64)
453 .Case("amdil", Triple::amdil)
454 .Case("amdil64", Triple::amdil64)
455 .Case("hsail", Triple::hsail)
456 .Case("hsail64", Triple::hsail64)
457 .Case("spir", Triple::spir)
458 .Case("spir64", Triple::spir64)
459 .StartsWith("kalimba", Triple::kalimba)
460 .Case("lanai", Triple::lanai)
461 .Case("renderscript32", Triple::renderscript32)
462 .Case("renderscript64", Triple::renderscript64)
463 .Case("shave", Triple::shave)
464 .Case("ve", Triple::ve)
465 .Case("wasm32", Triple::wasm32)
466 .Case("wasm64", Triple::wasm64)
467 .Case("csky", Triple::csky)
468 .Default(Triple::UnknownArch);
469
470 // Some architectures require special parsing logic just to compute the
471 // ArchType result.
472 if (AT == Triple::UnknownArch) {
473 if (ArchName.startswith("arm") || ArchName.startswith("thumb") ||
474 ArchName.startswith("aarch64"))
475 return parseARMArch(ArchName);
476 if (ArchName.startswith("bpf"))
477 return parseBPFArch(ArchName);
478 }
479
480 return AT;
481 }
482
parseVendor(StringRef VendorName)483 static Triple::VendorType parseVendor(StringRef VendorName) {
484 return StringSwitch<Triple::VendorType>(VendorName)
485 .Case("apple", Triple::Apple)
486 .Case("pc", Triple::PC)
487 .Case("scei", Triple::SCEI)
488 .Case("sie", Triple::SCEI)
489 .Case("fsl", Triple::Freescale)
490 .Case("ibm", Triple::IBM)
491 .Case("img", Triple::ImaginationTechnologies)
492 .Case("mti", Triple::MipsTechnologies)
493 .Case("nvidia", Triple::NVIDIA)
494 .Case("csr", Triple::CSR)
495 .Case("myriad", Triple::Myriad)
496 .Case("amd", Triple::AMD)
497 .Case("mesa", Triple::Mesa)
498 .Case("suse", Triple::SUSE)
499 .Case("oe", Triple::OpenEmbedded)
500 .Default(Triple::UnknownVendor);
501 }
502
parseOS(StringRef OSName)503 static Triple::OSType parseOS(StringRef OSName) {
504 return StringSwitch<Triple::OSType>(OSName)
505 .StartsWith("ananas", Triple::Ananas)
506 .StartsWith("cloudabi", Triple::CloudABI)
507 .StartsWith("darwin", Triple::Darwin)
508 .StartsWith("dragonfly", Triple::DragonFly)
509 .StartsWith("freebsd", Triple::FreeBSD)
510 .StartsWith("fuchsia", Triple::Fuchsia)
511 .StartsWith("ios", Triple::IOS)
512 .StartsWith("kfreebsd", Triple::KFreeBSD)
513 .StartsWith("linux", Triple::Linux)
514 .StartsWith("lv2", Triple::Lv2)
515 .StartsWith("macos", Triple::MacOSX)
516 .StartsWith("netbsd", Triple::NetBSD)
517 .StartsWith("openbsd", Triple::OpenBSD)
518 .StartsWith("solaris", Triple::Solaris)
519 .StartsWith("win32", Triple::Win32)
520 .StartsWith("windows", Triple::Win32)
521 .StartsWith("zos", Triple::ZOS)
522 .StartsWith("haiku", Triple::Haiku)
523 .StartsWith("minix", Triple::Minix)
524 .StartsWith("rtems", Triple::RTEMS)
525 .StartsWith("nacl", Triple::NaCl)
526 .StartsWith("aix", Triple::AIX)
527 .StartsWith("cuda", Triple::CUDA)
528 .StartsWith("nvcl", Triple::NVCL)
529 .StartsWith("amdhsa", Triple::AMDHSA)
530 .StartsWith("ps4", Triple::PS4)
531 .StartsWith("elfiamcu", Triple::ELFIAMCU)
532 .StartsWith("tvos", Triple::TvOS)
533 .StartsWith("watchos", Triple::WatchOS)
534 .StartsWith("mesa3d", Triple::Mesa3D)
535 .StartsWith("contiki", Triple::Contiki)
536 .StartsWith("amdpal", Triple::AMDPAL)
537 .StartsWith("hermit", Triple::HermitCore)
538 .StartsWith("hurd", Triple::Hurd)
539 .StartsWith("wasi", Triple::WASI)
540 .StartsWith("emscripten", Triple::Emscripten)
541 .Default(Triple::UnknownOS);
542 }
543
parseEnvironment(StringRef EnvironmentName)544 static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
545 return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
546 .StartsWith("eabihf", Triple::EABIHF)
547 .StartsWith("eabi", Triple::EABI)
548 .StartsWith("gnuabin32", Triple::GNUABIN32)
549 .StartsWith("gnuabi64", Triple::GNUABI64)
550 .StartsWith("gnueabihf", Triple::GNUEABIHF)
551 .StartsWith("gnueabi", Triple::GNUEABI)
552 .StartsWith("gnux32", Triple::GNUX32)
553 .StartsWith("gnu_ilp32", Triple::GNUILP32)
554 .StartsWith("code16", Triple::CODE16)
555 .StartsWith("gnu", Triple::GNU)
556 .StartsWith("android", Triple::Android)
557 .StartsWith("musleabihf", Triple::MuslEABIHF)
558 .StartsWith("musleabi", Triple::MuslEABI)
559 .StartsWith("muslx32", Triple::MuslX32)
560 .StartsWith("musl", Triple::Musl)
561 .StartsWith("msvc", Triple::MSVC)
562 .StartsWith("itanium", Triple::Itanium)
563 .StartsWith("cygnus", Triple::Cygnus)
564 .StartsWith("coreclr", Triple::CoreCLR)
565 .StartsWith("simulator", Triple::Simulator)
566 .StartsWith("macabi", Triple::MacABI)
567 .Default(Triple::UnknownEnvironment);
568 }
569
parseFormat(StringRef EnvironmentName)570 static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) {
571 return StringSwitch<Triple::ObjectFormatType>(EnvironmentName)
572 // "xcoff" must come before "coff" because of the order-dependendent
573 // pattern matching.
574 .EndsWith("xcoff", Triple::XCOFF)
575 .EndsWith("coff", Triple::COFF)
576 .EndsWith("elf", Triple::ELF)
577 .EndsWith("goff", Triple::GOFF)
578 .EndsWith("macho", Triple::MachO)
579 .EndsWith("wasm", Triple::Wasm)
580 .Default(Triple::UnknownObjectFormat);
581 }
582
parseSubArch(StringRef SubArchName)583 static Triple::SubArchType parseSubArch(StringRef SubArchName) {
584 if (SubArchName.startswith("mips") &&
585 (SubArchName.endswith("r6el") || SubArchName.endswith("r6")))
586 return Triple::MipsSubArch_r6;
587
588 if (SubArchName == "powerpcspe")
589 return Triple::PPCSubArch_spe;
590
591 if (SubArchName == "arm64e")
592 return Triple::AArch64SubArch_arm64e;
593
594 StringRef ARMSubArch = ARM::getCanonicalArchName(SubArchName);
595
596 // For now, this is the small part. Early return.
597 if (ARMSubArch.empty())
598 return StringSwitch<Triple::SubArchType>(SubArchName)
599 .EndsWith("kalimba3", Triple::KalimbaSubArch_v3)
600 .EndsWith("kalimba4", Triple::KalimbaSubArch_v4)
601 .EndsWith("kalimba5", Triple::KalimbaSubArch_v5)
602 .Default(Triple::NoSubArch);
603
604 // ARM sub arch.
605 switch(ARM::parseArch(ARMSubArch)) {
606 case ARM::ArchKind::ARMV4:
607 return Triple::NoSubArch;
608 case ARM::ArchKind::ARMV4T:
609 return Triple::ARMSubArch_v4t;
610 case ARM::ArchKind::ARMV5T:
611 return Triple::ARMSubArch_v5;
612 case ARM::ArchKind::ARMV5TE:
613 case ARM::ArchKind::IWMMXT:
614 case ARM::ArchKind::IWMMXT2:
615 case ARM::ArchKind::XSCALE:
616 case ARM::ArchKind::ARMV5TEJ:
617 return Triple::ARMSubArch_v5te;
618 case ARM::ArchKind::ARMV6:
619 return Triple::ARMSubArch_v6;
620 case ARM::ArchKind::ARMV6K:
621 case ARM::ArchKind::ARMV6KZ:
622 return Triple::ARMSubArch_v6k;
623 case ARM::ArchKind::ARMV6T2:
624 return Triple::ARMSubArch_v6t2;
625 case ARM::ArchKind::ARMV6M:
626 return Triple::ARMSubArch_v6m;
627 case ARM::ArchKind::ARMV7A:
628 case ARM::ArchKind::ARMV7R:
629 return Triple::ARMSubArch_v7;
630 case ARM::ArchKind::ARMV7VE:
631 return Triple::ARMSubArch_v7ve;
632 case ARM::ArchKind::ARMV7K:
633 return Triple::ARMSubArch_v7k;
634 case ARM::ArchKind::ARMV7M:
635 return Triple::ARMSubArch_v7m;
636 case ARM::ArchKind::ARMV7S:
637 return Triple::ARMSubArch_v7s;
638 case ARM::ArchKind::ARMV7EM:
639 return Triple::ARMSubArch_v7em;
640 case ARM::ArchKind::ARMV8A:
641 return Triple::ARMSubArch_v8;
642 case ARM::ArchKind::ARMV8_1A:
643 return Triple::ARMSubArch_v8_1a;
644 case ARM::ArchKind::ARMV8_2A:
645 return Triple::ARMSubArch_v8_2a;
646 case ARM::ArchKind::ARMV8_3A:
647 return Triple::ARMSubArch_v8_3a;
648 case ARM::ArchKind::ARMV8_4A:
649 return Triple::ARMSubArch_v8_4a;
650 case ARM::ArchKind::ARMV8_5A:
651 return Triple::ARMSubArch_v8_5a;
652 case ARM::ArchKind::ARMV8_6A:
653 return Triple::ARMSubArch_v8_6a;
654 case ARM::ArchKind::ARMV8_7A:
655 return Triple::ARMSubArch_v8_7a;
656 case ARM::ArchKind::ARMV8R:
657 return Triple::ARMSubArch_v8r;
658 case ARM::ArchKind::ARMV8MBaseline:
659 return Triple::ARMSubArch_v8m_baseline;
660 case ARM::ArchKind::ARMV8MMainline:
661 return Triple::ARMSubArch_v8m_mainline;
662 case ARM::ArchKind::ARMV8_1MMainline:
663 return Triple::ARMSubArch_v8_1m_mainline;
664 default:
665 return Triple::NoSubArch;
666 }
667 }
668
getObjectFormatTypeName(Triple::ObjectFormatType Kind)669 static StringRef getObjectFormatTypeName(Triple::ObjectFormatType Kind) {
670 switch (Kind) {
671 case Triple::UnknownObjectFormat: return "";
672 case Triple::COFF: return "coff";
673 case Triple::ELF: return "elf";
674 case Triple::GOFF: return "goff";
675 case Triple::MachO: return "macho";
676 case Triple::Wasm: return "wasm";
677 case Triple::XCOFF: return "xcoff";
678 }
679 llvm_unreachable("unknown object format type");
680 }
681
getDefaultFormat(const Triple & T)682 static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
683 switch (T.getArch()) {
684 case Triple::UnknownArch:
685 case Triple::aarch64:
686 case Triple::aarch64_32:
687 case Triple::arm:
688 case Triple::thumb:
689 case Triple::x86:
690 case Triple::x86_64:
691 if (T.isOSDarwin())
692 return Triple::MachO;
693 else if (T.isOSWindows())
694 return Triple::COFF;
695 return Triple::ELF;
696
697 case Triple::aarch64_be:
698 case Triple::amdgcn:
699 case Triple::amdil64:
700 case Triple::amdil:
701 case Triple::arc:
702 case Triple::armeb:
703 case Triple::avr:
704 case Triple::bpfeb:
705 case Triple::bpfel:
706 case Triple::csky:
707 case Triple::hexagon:
708 case Triple::hsail64:
709 case Triple::hsail:
710 case Triple::kalimba:
711 case Triple::lanai:
712 case Triple::le32:
713 case Triple::le64:
714 case Triple::m68k:
715 case Triple::mips64:
716 case Triple::mips64el:
717 case Triple::mips:
718 case Triple::mipsel:
719 case Triple::msp430:
720 case Triple::nvptx64:
721 case Triple::nvptx:
722 case Triple::ppc64le:
723 case Triple::ppcle:
724 case Triple::r600:
725 case Triple::renderscript32:
726 case Triple::renderscript64:
727 case Triple::riscv32:
728 case Triple::riscv64:
729 case Triple::shave:
730 case Triple::sparc:
731 case Triple::sparcel:
732 case Triple::sparcv9:
733 case Triple::spir64:
734 case Triple::spir:
735 case Triple::tce:
736 case Triple::tcele:
737 case Triple::thumbeb:
738 case Triple::ve:
739 case Triple::xcore:
740 return Triple::ELF;
741
742 case Triple::ppc64:
743 case Triple::ppc:
744 if (T.isOSAIX())
745 return Triple::XCOFF;
746 return Triple::ELF;
747
748 case Triple::systemz:
749 if (T.isOSzOS())
750 return Triple::GOFF;
751 return Triple::ELF;
752
753 case Triple::wasm32:
754 case Triple::wasm64:
755 return Triple::Wasm;
756 }
757 llvm_unreachable("unknown architecture");
758 }
759
760 /// Construct a triple from the string representation provided.
761 ///
762 /// This stores the string representation and parses the various pieces into
763 /// enum members.
Triple(const Twine & Str)764 Triple::Triple(const Twine &Str)
765 : Data(Str.str()), Arch(UnknownArch), SubArch(NoSubArch),
766 Vendor(UnknownVendor), OS(UnknownOS), Environment(UnknownEnvironment),
767 ObjectFormat(UnknownObjectFormat) {
768 // Do minimal parsing by hand here.
769 SmallVector<StringRef, 4> Components;
770 StringRef(Data).split(Components, '-', /*MaxSplit*/ 3);
771 if (Components.size() > 0) {
772 Arch = parseArch(Components[0]);
773 SubArch = parseSubArch(Components[0]);
774 if (Components.size() > 1) {
775 Vendor = parseVendor(Components[1]);
776 if (Components.size() > 2) {
777 OS = parseOS(Components[2]);
778 if (Components.size() > 3) {
779 Environment = parseEnvironment(Components[3]);
780 ObjectFormat = parseFormat(Components[3]);
781 }
782 }
783 } else {
784 Environment =
785 StringSwitch<Triple::EnvironmentType>(Components[0])
786 .StartsWith("mipsn32", Triple::GNUABIN32)
787 .StartsWith("mips64", Triple::GNUABI64)
788 .StartsWith("mipsisa64", Triple::GNUABI64)
789 .StartsWith("mipsisa32", Triple::GNU)
790 .Cases("mips", "mipsel", "mipsr6", "mipsr6el", Triple::GNU)
791 .Default(UnknownEnvironment);
792 }
793 }
794 if (ObjectFormat == UnknownObjectFormat)
795 ObjectFormat = getDefaultFormat(*this);
796 }
797
798 /// Construct a triple from string representations of the architecture,
799 /// vendor, and OS.
800 ///
801 /// This joins each argument into a canonical string representation and parses
802 /// them into enum members. It leaves the environment unknown and omits it from
803 /// the string representation.
Triple(const Twine & ArchStr,const Twine & VendorStr,const Twine & OSStr)804 Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr)
805 : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()),
806 Arch(parseArch(ArchStr.str())),
807 SubArch(parseSubArch(ArchStr.str())),
808 Vendor(parseVendor(VendorStr.str())),
809 OS(parseOS(OSStr.str())),
810 Environment(), ObjectFormat(Triple::UnknownObjectFormat) {
811 ObjectFormat = getDefaultFormat(*this);
812 }
813
814 /// Construct a triple from string representations of the architecture,
815 /// vendor, OS, and environment.
816 ///
817 /// This joins each argument into a canonical string representation and parses
818 /// them into enum members.
Triple(const Twine & ArchStr,const Twine & VendorStr,const Twine & OSStr,const Twine & EnvironmentStr)819 Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr,
820 const Twine &EnvironmentStr)
821 : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') +
822 EnvironmentStr).str()),
823 Arch(parseArch(ArchStr.str())),
824 SubArch(parseSubArch(ArchStr.str())),
825 Vendor(parseVendor(VendorStr.str())),
826 OS(parseOS(OSStr.str())),
827 Environment(parseEnvironment(EnvironmentStr.str())),
828 ObjectFormat(parseFormat(EnvironmentStr.str())) {
829 if (ObjectFormat == Triple::UnknownObjectFormat)
830 ObjectFormat = getDefaultFormat(*this);
831 }
832
normalize(StringRef Str)833 std::string Triple::normalize(StringRef Str) {
834 bool IsMinGW32 = false;
835 bool IsCygwin = false;
836
837 // Parse into components.
838 SmallVector<StringRef, 4> Components;
839 Str.split(Components, '-');
840
841 // If the first component corresponds to a known architecture, preferentially
842 // use it for the architecture. If the second component corresponds to a
843 // known vendor, preferentially use it for the vendor, etc. This avoids silly
844 // component movement when a component parses as (eg) both a valid arch and a
845 // valid os.
846 ArchType Arch = UnknownArch;
847 if (Components.size() > 0)
848 Arch = parseArch(Components[0]);
849 VendorType Vendor = UnknownVendor;
850 if (Components.size() > 1)
851 Vendor = parseVendor(Components[1]);
852 OSType OS = UnknownOS;
853 if (Components.size() > 2) {
854 OS = parseOS(Components[2]);
855 IsCygwin = Components[2].startswith("cygwin");
856 IsMinGW32 = Components[2].startswith("mingw");
857 }
858 EnvironmentType Environment = UnknownEnvironment;
859 if (Components.size() > 3)
860 Environment = parseEnvironment(Components[3]);
861 ObjectFormatType ObjectFormat = UnknownObjectFormat;
862 if (Components.size() > 4)
863 ObjectFormat = parseFormat(Components[4]);
864
865 // Note which components are already in their final position. These will not
866 // be moved.
867 bool Found[4];
868 Found[0] = Arch != UnknownArch;
869 Found[1] = Vendor != UnknownVendor;
870 Found[2] = OS != UnknownOS;
871 Found[3] = Environment != UnknownEnvironment;
872
873 // If they are not there already, permute the components into their canonical
874 // positions by seeing if they parse as a valid architecture, and if so moving
875 // the component to the architecture position etc.
876 for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) {
877 if (Found[Pos])
878 continue; // Already in the canonical position.
879
880 for (unsigned Idx = 0; Idx != Components.size(); ++Idx) {
881 // Do not reparse any components that already matched.
882 if (Idx < array_lengthof(Found) && Found[Idx])
883 continue;
884
885 // Does this component parse as valid for the target position?
886 bool Valid = false;
887 StringRef Comp = Components[Idx];
888 switch (Pos) {
889 default: llvm_unreachable("unexpected component type!");
890 case 0:
891 Arch = parseArch(Comp);
892 Valid = Arch != UnknownArch;
893 break;
894 case 1:
895 Vendor = parseVendor(Comp);
896 Valid = Vendor != UnknownVendor;
897 break;
898 case 2:
899 OS = parseOS(Comp);
900 IsCygwin = Comp.startswith("cygwin");
901 IsMinGW32 = Comp.startswith("mingw");
902 Valid = OS != UnknownOS || IsCygwin || IsMinGW32;
903 break;
904 case 3:
905 Environment = parseEnvironment(Comp);
906 Valid = Environment != UnknownEnvironment;
907 if (!Valid) {
908 ObjectFormat = parseFormat(Comp);
909 Valid = ObjectFormat != UnknownObjectFormat;
910 }
911 break;
912 }
913 if (!Valid)
914 continue; // Nope, try the next component.
915
916 // Move the component to the target position, pushing any non-fixed
917 // components that are in the way to the right. This tends to give
918 // good results in the common cases of a forgotten vendor component
919 // or a wrongly positioned environment.
920 if (Pos < Idx) {
921 // Insert left, pushing the existing components to the right. For
922 // example, a-b-i386 -> i386-a-b when moving i386 to the front.
923 StringRef CurrentComponent(""); // The empty component.
924 // Replace the component we are moving with an empty component.
925 std::swap(CurrentComponent, Components[Idx]);
926 // Insert the component being moved at Pos, displacing any existing
927 // components to the right.
928 for (unsigned i = Pos; !CurrentComponent.empty(); ++i) {
929 // Skip over any fixed components.
930 while (i < array_lengthof(Found) && Found[i])
931 ++i;
932 // Place the component at the new position, getting the component
933 // that was at this position - it will be moved right.
934 std::swap(CurrentComponent, Components[i]);
935 }
936 } else if (Pos > Idx) {
937 // Push right by inserting empty components until the component at Idx
938 // reaches the target position Pos. For example, pc-a -> -pc-a when
939 // moving pc to the second position.
940 do {
941 // Insert one empty component at Idx.
942 StringRef CurrentComponent(""); // The empty component.
943 for (unsigned i = Idx; i < Components.size();) {
944 // Place the component at the new position, getting the component
945 // that was at this position - it will be moved right.
946 std::swap(CurrentComponent, Components[i]);
947 // If it was placed on top of an empty component then we are done.
948 if (CurrentComponent.empty())
949 break;
950 // Advance to the next component, skipping any fixed components.
951 while (++i < array_lengthof(Found) && Found[i])
952 ;
953 }
954 // The last component was pushed off the end - append it.
955 if (!CurrentComponent.empty())
956 Components.push_back(CurrentComponent);
957
958 // Advance Idx to the component's new position.
959 while (++Idx < array_lengthof(Found) && Found[Idx])
960 ;
961 } while (Idx < Pos); // Add more until the final position is reached.
962 }
963 assert(Pos < Components.size() && Components[Pos] == Comp &&
964 "Component moved wrong!");
965 Found[Pos] = true;
966 break;
967 }
968 }
969
970 // Replace empty components with "unknown" value.
971 for (unsigned i = 0, e = Components.size(); i < e; ++i) {
972 if (Components[i].empty())
973 Components[i] = "unknown";
974 }
975
976 // Special case logic goes here. At this point Arch, Vendor and OS have the
977 // correct values for the computed components.
978 std::string NormalizedEnvironment;
979 if (Environment == Triple::Android && Components[3].startswith("androideabi")) {
980 StringRef AndroidVersion = Components[3].drop_front(strlen("androideabi"));
981 if (AndroidVersion.empty()) {
982 Components[3] = "android";
983 } else {
984 NormalizedEnvironment = Twine("android", AndroidVersion).str();
985 Components[3] = NormalizedEnvironment;
986 }
987 }
988
989 // SUSE uses "gnueabi" to mean "gnueabihf"
990 if (Vendor == Triple::SUSE && Environment == llvm::Triple::GNUEABI)
991 Components[3] = "gnueabihf";
992
993 if (OS == Triple::Win32) {
994 Components.resize(4);
995 Components[2] = "windows";
996 if (Environment == UnknownEnvironment) {
997 if (ObjectFormat == UnknownObjectFormat || ObjectFormat == Triple::COFF)
998 Components[3] = "msvc";
999 else
1000 Components[3] = getObjectFormatTypeName(ObjectFormat);
1001 }
1002 } else if (IsMinGW32) {
1003 Components.resize(4);
1004 Components[2] = "windows";
1005 Components[3] = "gnu";
1006 } else if (IsCygwin) {
1007 Components.resize(4);
1008 Components[2] = "windows";
1009 Components[3] = "cygnus";
1010 }
1011 if (IsMinGW32 || IsCygwin ||
1012 (OS == Triple::Win32 && Environment != UnknownEnvironment)) {
1013 if (ObjectFormat != UnknownObjectFormat && ObjectFormat != Triple::COFF) {
1014 Components.resize(5);
1015 Components[4] = getObjectFormatTypeName(ObjectFormat);
1016 }
1017 }
1018
1019 // Stick the corrected components back together to form the normalized string.
1020 return join(Components, "-");
1021 }
1022
getArchName() const1023 StringRef Triple::getArchName() const {
1024 return StringRef(Data).split('-').first; // Isolate first component
1025 }
1026
getVendorName() const1027 StringRef Triple::getVendorName() const {
1028 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
1029 return Tmp.split('-').first; // Isolate second component
1030 }
1031
getOSName() const1032 StringRef Triple::getOSName() const {
1033 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
1034 Tmp = Tmp.split('-').second; // Strip second component
1035 return Tmp.split('-').first; // Isolate third component
1036 }
1037
getEnvironmentName() const1038 StringRef Triple::getEnvironmentName() const {
1039 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
1040 Tmp = Tmp.split('-').second; // Strip second component
1041 return Tmp.split('-').second; // Strip third component
1042 }
1043
getOSAndEnvironmentName() const1044 StringRef Triple::getOSAndEnvironmentName() const {
1045 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
1046 return Tmp.split('-').second; // Strip second component
1047 }
1048
EatNumber(StringRef & Str)1049 static unsigned EatNumber(StringRef &Str) {
1050 assert(!Str.empty() && isDigit(Str[0]) && "Not a number");
1051 unsigned Result = 0;
1052
1053 do {
1054 // Consume the leading digit.
1055 Result = Result*10 + (Str[0] - '0');
1056
1057 // Eat the digit.
1058 Str = Str.substr(1);
1059 } while (!Str.empty() && isDigit(Str[0]));
1060
1061 return Result;
1062 }
1063
parseVersionFromName(StringRef Name,unsigned & Major,unsigned & Minor,unsigned & Micro)1064 static void parseVersionFromName(StringRef Name, unsigned &Major,
1065 unsigned &Minor, unsigned &Micro) {
1066 // Any unset version defaults to 0.
1067 Major = Minor = Micro = 0;
1068
1069 // Parse up to three components.
1070 unsigned *Components[3] = {&Major, &Minor, &Micro};
1071 for (unsigned i = 0; i != 3; ++i) {
1072 if (Name.empty() || Name[0] < '0' || Name[0] > '9')
1073 break;
1074
1075 // Consume the leading number.
1076 *Components[i] = EatNumber(Name);
1077
1078 // Consume the separator, if present.
1079 if (Name.startswith("."))
1080 Name = Name.substr(1);
1081 }
1082 }
1083
getEnvironmentVersion(unsigned & Major,unsigned & Minor,unsigned & Micro) const1084 void Triple::getEnvironmentVersion(unsigned &Major, unsigned &Minor,
1085 unsigned &Micro) const {
1086 StringRef EnvironmentName = getEnvironmentName();
1087 StringRef EnvironmentTypeName = getEnvironmentTypeName(getEnvironment());
1088 if (EnvironmentName.startswith(EnvironmentTypeName))
1089 EnvironmentName = EnvironmentName.substr(EnvironmentTypeName.size());
1090
1091 parseVersionFromName(EnvironmentName, Major, Minor, Micro);
1092 }
1093
getOSVersion(unsigned & Major,unsigned & Minor,unsigned & Micro) const1094 void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
1095 unsigned &Micro) const {
1096 StringRef OSName = getOSName();
1097 // Assume that the OS portion of the triple starts with the canonical name.
1098 StringRef OSTypeName = getOSTypeName(getOS());
1099 if (OSName.startswith(OSTypeName))
1100 OSName = OSName.substr(OSTypeName.size());
1101 else if (getOS() == MacOSX)
1102 OSName.consume_front("macos");
1103
1104 parseVersionFromName(OSName, Major, Minor, Micro);
1105 }
1106
getMacOSXVersion(unsigned & Major,unsigned & Minor,unsigned & Micro) const1107 bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor,
1108 unsigned &Micro) const {
1109 getOSVersion(Major, Minor, Micro);
1110
1111 switch (getOS()) {
1112 default: llvm_unreachable("unexpected OS for Darwin triple");
1113 case Darwin:
1114 // Default to darwin8, i.e., MacOSX 10.4.
1115 if (Major == 0)
1116 Major = 8;
1117 // Darwin version numbers are skewed from OS X versions.
1118 if (Major < 4)
1119 return false;
1120 if (Major <= 19) {
1121 Micro = 0;
1122 Minor = Major - 4;
1123 Major = 10;
1124 } else {
1125 Micro = 0;
1126 Minor = 0;
1127 // darwin20+ corresponds to macOS 11+.
1128 Major = 11 + Major - 20;
1129 }
1130 break;
1131 case MacOSX:
1132 // Default to 10.4.
1133 if (Major == 0) {
1134 Major = 10;
1135 Minor = 4;
1136 } else if (Major < 10)
1137 return false;
1138 break;
1139 case IOS:
1140 case TvOS:
1141 case WatchOS:
1142 // Ignore the version from the triple. This is only handled because the
1143 // the clang driver combines OS X and IOS support into a common Darwin
1144 // toolchain that wants to know the OS X version number even when targeting
1145 // IOS.
1146 Major = 10;
1147 Minor = 4;
1148 Micro = 0;
1149 break;
1150 }
1151 return true;
1152 }
1153
getiOSVersion(unsigned & Major,unsigned & Minor,unsigned & Micro) const1154 void Triple::getiOSVersion(unsigned &Major, unsigned &Minor,
1155 unsigned &Micro) const {
1156 switch (getOS()) {
1157 default: llvm_unreachable("unexpected OS for Darwin triple");
1158 case Darwin:
1159 case MacOSX:
1160 // Ignore the version from the triple. This is only handled because the
1161 // the clang driver combines OS X and IOS support into a common Darwin
1162 // toolchain that wants to know the iOS version number even when targeting
1163 // OS X.
1164 Major = 5;
1165 Minor = 0;
1166 Micro = 0;
1167 break;
1168 case IOS:
1169 case TvOS:
1170 getOSVersion(Major, Minor, Micro);
1171 // Default to 5.0 (or 7.0 for arm64).
1172 if (Major == 0)
1173 Major = (getArch() == aarch64) ? 7 : 5;
1174 break;
1175 case WatchOS:
1176 llvm_unreachable("conflicting triple info");
1177 }
1178 }
1179
getWatchOSVersion(unsigned & Major,unsigned & Minor,unsigned & Micro) const1180 void Triple::getWatchOSVersion(unsigned &Major, unsigned &Minor,
1181 unsigned &Micro) const {
1182 switch (getOS()) {
1183 default: llvm_unreachable("unexpected OS for Darwin triple");
1184 case Darwin:
1185 case MacOSX:
1186 // Ignore the version from the triple. This is only handled because the
1187 // the clang driver combines OS X and IOS support into a common Darwin
1188 // toolchain that wants to know the iOS version number even when targeting
1189 // OS X.
1190 Major = 2;
1191 Minor = 0;
1192 Micro = 0;
1193 break;
1194 case WatchOS:
1195 getOSVersion(Major, Minor, Micro);
1196 if (Major == 0)
1197 Major = 2;
1198 break;
1199 case IOS:
1200 llvm_unreachable("conflicting triple info");
1201 }
1202 }
1203
setTriple(const Twine & Str)1204 void Triple::setTriple(const Twine &Str) {
1205 *this = Triple(Str);
1206 }
1207
setArch(ArchType Kind)1208 void Triple::setArch(ArchType Kind) {
1209 setArchName(getArchTypeName(Kind));
1210 }
1211
setVendor(VendorType Kind)1212 void Triple::setVendor(VendorType Kind) {
1213 setVendorName(getVendorTypeName(Kind));
1214 }
1215
setOS(OSType Kind)1216 void Triple::setOS(OSType Kind) {
1217 setOSName(getOSTypeName(Kind));
1218 }
1219
setEnvironment(EnvironmentType Kind)1220 void Triple::setEnvironment(EnvironmentType Kind) {
1221 if (ObjectFormat == getDefaultFormat(*this))
1222 return setEnvironmentName(getEnvironmentTypeName(Kind));
1223
1224 setEnvironmentName((getEnvironmentTypeName(Kind) + Twine("-") +
1225 getObjectFormatTypeName(ObjectFormat)).str());
1226 }
1227
setObjectFormat(ObjectFormatType Kind)1228 void Triple::setObjectFormat(ObjectFormatType Kind) {
1229 if (Environment == UnknownEnvironment)
1230 return setEnvironmentName(getObjectFormatTypeName(Kind));
1231
1232 setEnvironmentName((getEnvironmentTypeName(Environment) + Twine("-") +
1233 getObjectFormatTypeName(Kind)).str());
1234 }
1235
setArchName(StringRef Str)1236 void Triple::setArchName(StringRef Str) {
1237 // Work around a miscompilation bug for Twines in gcc 4.0.3.
1238 SmallString<64> Triple;
1239 Triple += Str;
1240 Triple += "-";
1241 Triple += getVendorName();
1242 Triple += "-";
1243 Triple += getOSAndEnvironmentName();
1244 setTriple(Triple);
1245 }
1246
setVendorName(StringRef Str)1247 void Triple::setVendorName(StringRef Str) {
1248 setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
1249 }
1250
setOSName(StringRef Str)1251 void Triple::setOSName(StringRef Str) {
1252 if (hasEnvironment())
1253 setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
1254 "-" + getEnvironmentName());
1255 else
1256 setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
1257 }
1258
setEnvironmentName(StringRef Str)1259 void Triple::setEnvironmentName(StringRef Str) {
1260 setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
1261 "-" + Str);
1262 }
1263
setOSAndEnvironmentName(StringRef Str)1264 void Triple::setOSAndEnvironmentName(StringRef Str) {
1265 setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
1266 }
1267
getArchPointerBitWidth(llvm::Triple::ArchType Arch)1268 static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
1269 switch (Arch) {
1270 case llvm::Triple::UnknownArch:
1271 return 0;
1272
1273 case llvm::Triple::avr:
1274 case llvm::Triple::msp430:
1275 return 16;
1276
1277 case llvm::Triple::aarch64_32:
1278 case llvm::Triple::amdil:
1279 case llvm::Triple::arc:
1280 case llvm::Triple::arm:
1281 case llvm::Triple::armeb:
1282 case llvm::Triple::csky:
1283 case llvm::Triple::hexagon:
1284 case llvm::Triple::hsail:
1285 case llvm::Triple::kalimba:
1286 case llvm::Triple::lanai:
1287 case llvm::Triple::le32:
1288 case llvm::Triple::m68k:
1289 case llvm::Triple::mips:
1290 case llvm::Triple::mipsel:
1291 case llvm::Triple::nvptx:
1292 case llvm::Triple::ppc:
1293 case llvm::Triple::ppcle:
1294 case llvm::Triple::r600:
1295 case llvm::Triple::renderscript32:
1296 case llvm::Triple::riscv32:
1297 case llvm::Triple::shave:
1298 case llvm::Triple::sparc:
1299 case llvm::Triple::sparcel:
1300 case llvm::Triple::spir:
1301 case llvm::Triple::tce:
1302 case llvm::Triple::tcele:
1303 case llvm::Triple::thumb:
1304 case llvm::Triple::thumbeb:
1305 case llvm::Triple::wasm32:
1306 case llvm::Triple::x86:
1307 case llvm::Triple::xcore:
1308 return 32;
1309
1310 case llvm::Triple::aarch64:
1311 case llvm::Triple::aarch64_be:
1312 case llvm::Triple::amdgcn:
1313 case llvm::Triple::amdil64:
1314 case llvm::Triple::bpfeb:
1315 case llvm::Triple::bpfel:
1316 case llvm::Triple::hsail64:
1317 case llvm::Triple::le64:
1318 case llvm::Triple::mips64:
1319 case llvm::Triple::mips64el:
1320 case llvm::Triple::nvptx64:
1321 case llvm::Triple::ppc64:
1322 case llvm::Triple::ppc64le:
1323 case llvm::Triple::renderscript64:
1324 case llvm::Triple::riscv64:
1325 case llvm::Triple::sparcv9:
1326 case llvm::Triple::spir64:
1327 case llvm::Triple::systemz:
1328 case llvm::Triple::ve:
1329 case llvm::Triple::wasm64:
1330 case llvm::Triple::x86_64:
1331 return 64;
1332 }
1333 llvm_unreachable("Invalid architecture value");
1334 }
1335
isArch64Bit() const1336 bool Triple::isArch64Bit() const {
1337 return getArchPointerBitWidth(getArch()) == 64;
1338 }
1339
isArch32Bit() const1340 bool Triple::isArch32Bit() const {
1341 return getArchPointerBitWidth(getArch()) == 32;
1342 }
1343
isArch16Bit() const1344 bool Triple::isArch16Bit() const {
1345 return getArchPointerBitWidth(getArch()) == 16;
1346 }
1347
get32BitArchVariant() const1348 Triple Triple::get32BitArchVariant() const {
1349 Triple T(*this);
1350 switch (getArch()) {
1351 case Triple::UnknownArch:
1352 case Triple::amdgcn:
1353 case Triple::avr:
1354 case Triple::bpfeb:
1355 case Triple::bpfel:
1356 case Triple::msp430:
1357 case Triple::systemz:
1358 case Triple::ve:
1359 T.setArch(UnknownArch);
1360 break;
1361
1362 case Triple::aarch64_32:
1363 case Triple::amdil:
1364 case Triple::arc:
1365 case Triple::arm:
1366 case Triple::armeb:
1367 case Triple::csky:
1368 case Triple::hexagon:
1369 case Triple::hsail:
1370 case Triple::kalimba:
1371 case Triple::lanai:
1372 case Triple::le32:
1373 case Triple::m68k:
1374 case Triple::mips:
1375 case Triple::mipsel:
1376 case Triple::nvptx:
1377 case Triple::ppc:
1378 case Triple::ppcle:
1379 case Triple::r600:
1380 case Triple::renderscript32:
1381 case Triple::riscv32:
1382 case Triple::shave:
1383 case Triple::sparc:
1384 case Triple::sparcel:
1385 case Triple::spir:
1386 case Triple::tce:
1387 case Triple::tcele:
1388 case Triple::thumb:
1389 case Triple::thumbeb:
1390 case Triple::wasm32:
1391 case Triple::x86:
1392 case Triple::xcore:
1393 // Already 32-bit.
1394 break;
1395
1396 case Triple::aarch64: T.setArch(Triple::arm); break;
1397 case Triple::aarch64_be: T.setArch(Triple::armeb); break;
1398 case Triple::amdil64: T.setArch(Triple::amdil); break;
1399 case Triple::hsail64: T.setArch(Triple::hsail); break;
1400 case Triple::le64: T.setArch(Triple::le32); break;
1401 case Triple::mips64: T.setArch(Triple::mips); break;
1402 case Triple::mips64el: T.setArch(Triple::mipsel); break;
1403 case Triple::nvptx64: T.setArch(Triple::nvptx); break;
1404 case Triple::ppc64: T.setArch(Triple::ppc); break;
1405 case Triple::ppc64le: T.setArch(Triple::ppcle); break;
1406 case Triple::renderscript64: T.setArch(Triple::renderscript32); break;
1407 case Triple::riscv64: T.setArch(Triple::riscv32); break;
1408 case Triple::sparcv9: T.setArch(Triple::sparc); break;
1409 case Triple::spir64: T.setArch(Triple::spir); break;
1410 case Triple::wasm64: T.setArch(Triple::wasm32); break;
1411 case Triple::x86_64: T.setArch(Triple::x86); break;
1412 }
1413 return T;
1414 }
1415
get64BitArchVariant() const1416 Triple Triple::get64BitArchVariant() const {
1417 Triple T(*this);
1418 switch (getArch()) {
1419 case Triple::UnknownArch:
1420 case Triple::arc:
1421 case Triple::avr:
1422 case Triple::csky:
1423 case Triple::hexagon:
1424 case Triple::kalimba:
1425 case Triple::lanai:
1426 case Triple::m68k:
1427 case Triple::msp430:
1428 case Triple::r600:
1429 case Triple::shave:
1430 case Triple::sparcel:
1431 case Triple::tce:
1432 case Triple::tcele:
1433 case Triple::xcore:
1434 T.setArch(UnknownArch);
1435 break;
1436
1437 case Triple::aarch64:
1438 case Triple::aarch64_be:
1439 case Triple::amdgcn:
1440 case Triple::amdil64:
1441 case Triple::bpfeb:
1442 case Triple::bpfel:
1443 case Triple::hsail64:
1444 case Triple::le64:
1445 case Triple::mips64:
1446 case Triple::mips64el:
1447 case Triple::nvptx64:
1448 case Triple::ppc64:
1449 case Triple::ppc64le:
1450 case Triple::renderscript64:
1451 case Triple::riscv64:
1452 case Triple::sparcv9:
1453 case Triple::spir64:
1454 case Triple::systemz:
1455 case Triple::ve:
1456 case Triple::wasm64:
1457 case Triple::x86_64:
1458 // Already 64-bit.
1459 break;
1460
1461 case Triple::aarch64_32: T.setArch(Triple::aarch64); break;
1462 case Triple::amdil: T.setArch(Triple::amdil64); break;
1463 case Triple::arm: T.setArch(Triple::aarch64); break;
1464 case Triple::armeb: T.setArch(Triple::aarch64_be); break;
1465 case Triple::hsail: T.setArch(Triple::hsail64); break;
1466 case Triple::le32: T.setArch(Triple::le64); break;
1467 case Triple::mips: T.setArch(Triple::mips64); break;
1468 case Triple::mipsel: T.setArch(Triple::mips64el); break;
1469 case Triple::nvptx: T.setArch(Triple::nvptx64); break;
1470 case Triple::ppc: T.setArch(Triple::ppc64); break;
1471 case Triple::ppcle: T.setArch(Triple::ppc64le); break;
1472 case Triple::renderscript32: T.setArch(Triple::renderscript64); break;
1473 case Triple::riscv32: T.setArch(Triple::riscv64); break;
1474 case Triple::sparc: T.setArch(Triple::sparcv9); break;
1475 case Triple::spir: T.setArch(Triple::spir64); break;
1476 case Triple::thumb: T.setArch(Triple::aarch64); break;
1477 case Triple::thumbeb: T.setArch(Triple::aarch64_be); break;
1478 case Triple::wasm32: T.setArch(Triple::wasm64); break;
1479 case Triple::x86: T.setArch(Triple::x86_64); break;
1480 }
1481 return T;
1482 }
1483
getBigEndianArchVariant() const1484 Triple Triple::getBigEndianArchVariant() const {
1485 Triple T(*this);
1486 // Already big endian.
1487 if (!isLittleEndian())
1488 return T;
1489 switch (getArch()) {
1490 case Triple::UnknownArch:
1491 case Triple::amdgcn:
1492 case Triple::amdil64:
1493 case Triple::amdil:
1494 case Triple::avr:
1495 case Triple::hexagon:
1496 case Triple::hsail64:
1497 case Triple::hsail:
1498 case Triple::kalimba:
1499 case Triple::le32:
1500 case Triple::le64:
1501 case Triple::msp430:
1502 case Triple::nvptx64:
1503 case Triple::nvptx:
1504 case Triple::r600:
1505 case Triple::renderscript32:
1506 case Triple::renderscript64:
1507 case Triple::riscv32:
1508 case Triple::riscv64:
1509 case Triple::shave:
1510 case Triple::spir64:
1511 case Triple::spir:
1512 case Triple::wasm32:
1513 case Triple::wasm64:
1514 case Triple::x86:
1515 case Triple::x86_64:
1516 case Triple::xcore:
1517 case Triple::ve:
1518 case Triple::csky:
1519
1520 // ARM is intentionally unsupported here, changing the architecture would
1521 // drop any arch suffixes.
1522 case Triple::arm:
1523 case Triple::thumb:
1524 T.setArch(UnknownArch);
1525 break;
1526
1527 case Triple::aarch64: T.setArch(Triple::aarch64_be); break;
1528 case Triple::bpfel: T.setArch(Triple::bpfeb); break;
1529 case Triple::mips64el:T.setArch(Triple::mips64); break;
1530 case Triple::mipsel: T.setArch(Triple::mips); break;
1531 case Triple::ppcle: T.setArch(Triple::ppc); break;
1532 case Triple::ppc64le: T.setArch(Triple::ppc64); break;
1533 case Triple::sparcel: T.setArch(Triple::sparc); break;
1534 case Triple::tcele: T.setArch(Triple::tce); break;
1535 default:
1536 llvm_unreachable("getBigEndianArchVariant: unknown triple.");
1537 }
1538 return T;
1539 }
1540
getLittleEndianArchVariant() const1541 Triple Triple::getLittleEndianArchVariant() const {
1542 Triple T(*this);
1543 if (isLittleEndian())
1544 return T;
1545
1546 switch (getArch()) {
1547 case Triple::UnknownArch:
1548 case Triple::lanai:
1549 case Triple::sparcv9:
1550 case Triple::systemz:
1551 case Triple::m68k:
1552
1553 // ARM is intentionally unsupported here, changing the architecture would
1554 // drop any arch suffixes.
1555 case Triple::armeb:
1556 case Triple::thumbeb:
1557 T.setArch(UnknownArch);
1558 break;
1559
1560 case Triple::aarch64_be: T.setArch(Triple::aarch64); break;
1561 case Triple::bpfeb: T.setArch(Triple::bpfel); break;
1562 case Triple::mips64: T.setArch(Triple::mips64el); break;
1563 case Triple::mips: T.setArch(Triple::mipsel); break;
1564 case Triple::ppc: T.setArch(Triple::ppcle); break;
1565 case Triple::ppc64: T.setArch(Triple::ppc64le); break;
1566 case Triple::sparc: T.setArch(Triple::sparcel); break;
1567 case Triple::tce: T.setArch(Triple::tcele); break;
1568 default:
1569 llvm_unreachable("getLittleEndianArchVariant: unknown triple.");
1570 }
1571 return T;
1572 }
1573
isLittleEndian() const1574 bool Triple::isLittleEndian() const {
1575 switch (getArch()) {
1576 case Triple::aarch64:
1577 case Triple::aarch64_32:
1578 case Triple::amdgcn:
1579 case Triple::amdil64:
1580 case Triple::amdil:
1581 case Triple::arm:
1582 case Triple::avr:
1583 case Triple::bpfel:
1584 case Triple::csky:
1585 case Triple::hexagon:
1586 case Triple::hsail64:
1587 case Triple::hsail:
1588 case Triple::kalimba:
1589 case Triple::le32:
1590 case Triple::le64:
1591 case Triple::mips64el:
1592 case Triple::mipsel:
1593 case Triple::msp430:
1594 case Triple::nvptx64:
1595 case Triple::nvptx:
1596 case Triple::ppcle:
1597 case Triple::ppc64le:
1598 case Triple::r600:
1599 case Triple::renderscript32:
1600 case Triple::renderscript64:
1601 case Triple::riscv32:
1602 case Triple::riscv64:
1603 case Triple::shave:
1604 case Triple::sparcel:
1605 case Triple::spir64:
1606 case Triple::spir:
1607 case Triple::tcele:
1608 case Triple::thumb:
1609 case Triple::ve:
1610 case Triple::wasm32:
1611 case Triple::wasm64:
1612 case Triple::x86:
1613 case Triple::x86_64:
1614 case Triple::xcore:
1615 return true;
1616 default:
1617 return false;
1618 }
1619 }
1620
isCompatibleWith(const Triple & Other) const1621 bool Triple::isCompatibleWith(const Triple &Other) const {
1622 // ARM and Thumb triples are compatible, if subarch, vendor and OS match.
1623 if ((getArch() == Triple::thumb && Other.getArch() == Triple::arm) ||
1624 (getArch() == Triple::arm && Other.getArch() == Triple::thumb) ||
1625 (getArch() == Triple::thumbeb && Other.getArch() == Triple::armeb) ||
1626 (getArch() == Triple::armeb && Other.getArch() == Triple::thumbeb)) {
1627 if (getVendor() == Triple::Apple)
1628 return getSubArch() == Other.getSubArch() &&
1629 getVendor() == Other.getVendor() && getOS() == Other.getOS();
1630 else
1631 return getSubArch() == Other.getSubArch() &&
1632 getVendor() == Other.getVendor() && getOS() == Other.getOS() &&
1633 getEnvironment() == Other.getEnvironment() &&
1634 getObjectFormat() == Other.getObjectFormat();
1635 }
1636
1637 // If vendor is apple, ignore the version number.
1638 if (getVendor() == Triple::Apple)
1639 return getArch() == Other.getArch() && getSubArch() == Other.getSubArch() &&
1640 getVendor() == Other.getVendor() && getOS() == Other.getOS();
1641
1642 return *this == Other;
1643 }
1644
merge(const Triple & Other) const1645 std::string Triple::merge(const Triple &Other) const {
1646 // If vendor is apple, pick the triple with the larger version number.
1647 if (getVendor() == Triple::Apple)
1648 if (Other.isOSVersionLT(*this))
1649 return str();
1650
1651 return Other.str();
1652 }
1653
isMacOSXVersionLT(unsigned Major,unsigned Minor,unsigned Micro) const1654 bool Triple::isMacOSXVersionLT(unsigned Major, unsigned Minor,
1655 unsigned Micro) const {
1656 assert(isMacOSX() && "Not an OS X triple!");
1657
1658 // If this is OS X, expect a sane version number.
1659 if (getOS() == Triple::MacOSX)
1660 return isOSVersionLT(Major, Minor, Micro);
1661
1662 // Otherwise, compare to the "Darwin" number.
1663 if (Major == 10) {
1664 return isOSVersionLT(Minor + 4, Micro, 0);
1665 } else {
1666 assert(Major >= 11 && "Unexpected major version");
1667 return isOSVersionLT(Major - 11 + 20, Minor, Micro);
1668 }
1669 }
1670
getMinimumSupportedOSVersion() const1671 VersionTuple Triple::getMinimumSupportedOSVersion() const {
1672 if (getVendor() != Triple::Apple || getArch() != Triple::aarch64)
1673 return VersionTuple();
1674 switch (getOS()) {
1675 case Triple::MacOSX:
1676 // ARM64 slice is supported starting from macOS 11.0+.
1677 return VersionTuple(11, 0, 0);
1678 case Triple::IOS:
1679 // ARM64 slice is supported starting from Mac Catalyst 14 (macOS 11).
1680 // ARM64 simulators are supported for iOS 14+.
1681 if (isMacCatalystEnvironment() || isSimulatorEnvironment())
1682 return VersionTuple(14, 0, 0);
1683 // ARM64e slice is supported starting from iOS 14.
1684 if (isArm64e())
1685 return VersionTuple(14, 0, 0);
1686 break;
1687 case Triple::TvOS:
1688 // ARM64 simulators are supported for tvOS 14+.
1689 if (isSimulatorEnvironment())
1690 return VersionTuple(14, 0, 0);
1691 break;
1692 case Triple::WatchOS:
1693 // ARM64 simulators are supported for watchOS 7+.
1694 if (isSimulatorEnvironment())
1695 return VersionTuple(7, 0, 0);
1696 break;
1697 default:
1698 break;
1699 }
1700 return VersionTuple();
1701 }
1702
getARMCPUForArch(StringRef MArch) const1703 StringRef Triple::getARMCPUForArch(StringRef MArch) const {
1704 if (MArch.empty())
1705 MArch = getArchName();
1706 MArch = ARM::getCanonicalArchName(MArch);
1707
1708 // Some defaults are forced.
1709 switch (getOS()) {
1710 case llvm::Triple::FreeBSD:
1711 case llvm::Triple::NetBSD:
1712 if (!MArch.empty() && MArch == "v6")
1713 return "arm1176jzf-s";
1714 if (!MArch.empty() && MArch == "v7")
1715 return "cortex-a8";
1716 break;
1717 case llvm::Triple::Win32:
1718 // FIXME: this is invalid for WindowsCE
1719 if (ARM::parseArchVersion(MArch) <= 7)
1720 return "cortex-a9";
1721 break;
1722 case llvm::Triple::IOS:
1723 case llvm::Triple::MacOSX:
1724 case llvm::Triple::TvOS:
1725 case llvm::Triple::WatchOS:
1726 if (MArch == "v7k")
1727 return "cortex-a7";
1728 break;
1729 default:
1730 break;
1731 }
1732
1733 if (MArch.empty())
1734 return StringRef();
1735
1736 StringRef CPU = ARM::getDefaultCPU(MArch);
1737 if (!CPU.empty() && !CPU.equals("invalid"))
1738 return CPU;
1739
1740 // If no specific architecture version is requested, return the minimum CPU
1741 // required by the OS and environment.
1742 switch (getOS()) {
1743 case llvm::Triple::NetBSD:
1744 switch (getEnvironment()) {
1745 case llvm::Triple::EABI:
1746 case llvm::Triple::EABIHF:
1747 case llvm::Triple::GNUEABI:
1748 case llvm::Triple::GNUEABIHF:
1749 return "arm926ej-s";
1750 default:
1751 return "strongarm";
1752 }
1753 case llvm::Triple::NaCl:
1754 case llvm::Triple::OpenBSD:
1755 return "cortex-a8";
1756 default:
1757 switch (getEnvironment()) {
1758 case llvm::Triple::EABIHF:
1759 case llvm::Triple::GNUEABIHF:
1760 case llvm::Triple::MuslEABIHF:
1761 return "arm1176jzf-s";
1762 default:
1763 return "arm7tdmi";
1764 }
1765 }
1766
1767 llvm_unreachable("invalid arch name");
1768 }
1769
getCanonicalVersionForOS(OSType OSKind,const VersionTuple & Version)1770 VersionTuple Triple::getCanonicalVersionForOS(OSType OSKind,
1771 const VersionTuple &Version) {
1772 switch (OSKind) {
1773 case MacOSX:
1774 // macOS 10.16 is canonicalized to macOS 11.
1775 if (Version == VersionTuple(10, 16))
1776 return VersionTuple(11, 0);
1777 LLVM_FALLTHROUGH;
1778 default:
1779 return Version;
1780 }
1781 }
1782