1 //===--- Triple.cpp - Target triple helper class --------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
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/TargetParser.h"
19 const char *Triple::getArchTypeName(ArchType Kind) {
21 case UnknownArch: return "unknown";
23 case aarch64: return "aarch64";
24 case aarch64_be: return "aarch64_be";
25 case arm: return "arm";
26 case armeb: return "armeb";
27 case bpf: return "bpf";
28 case hexagon: return "hexagon";
29 case mips: return "mips";
30 case mipsel: return "mipsel";
31 case mips64: return "mips64";
32 case mips64el: return "mips64el";
33 case msp430: return "msp430";
34 case ppc64: return "powerpc64";
35 case ppc64le: return "powerpc64le";
36 case ppc: return "powerpc";
37 case r600: return "r600";
38 case amdgcn: return "amdgcn";
39 case sparc: return "sparc";
40 case sparcv9: return "sparcv9";
41 case sparcel: return "sparcel";
42 case systemz: return "s390x";
43 case tce: return "tce";
44 case thumb: return "thumb";
45 case thumbeb: return "thumbeb";
46 case x86: return "i386";
47 case x86_64: return "x86_64";
48 case xcore: return "xcore";
49 case nvptx: return "nvptx";
50 case nvptx64: return "nvptx64";
51 case le32: return "le32";
52 case le64: return "le64";
53 case amdil: return "amdil";
54 case amdil64: return "amdil64";
55 case hsail: return "hsail";
56 case hsail64: return "hsail64";
57 case spir: return "spir";
58 case spir64: return "spir64";
59 case kalimba: return "kalimba";
62 llvm_unreachable("Invalid ArchType!");
65 const char *Triple::getArchTypePrefix(ArchType Kind) {
71 case aarch64_be: return "aarch64";
76 case thumbeb: return "arm";
80 case ppc: return "ppc";
85 case mips64el: return "mips";
87 case hexagon: return "hexagon";
90 case r600: return "amdgpu";
92 case bpf: return "bpf";
96 case sparc: return "sparc";
98 case systemz: return "s390";
101 case x86_64: return "x86";
103 case xcore: return "xcore";
105 case nvptx: return "nvptx";
106 case nvptx64: return "nvptx";
108 case le32: return "le32";
109 case le64: return "le64";
112 case amdil64: return "amdil";
115 case hsail64: return "hsail";
118 case spir64: return "spir";
119 case kalimba: return "kalimba";
123 const char *Triple::getVendorTypeName(VendorType Kind) {
125 case UnknownVendor: return "unknown";
127 case Apple: return "apple";
128 case PC: return "pc";
129 case SCEI: return "scei";
130 case BGP: return "bgp";
131 case BGQ: return "bgq";
132 case Freescale: return "fsl";
133 case IBM: return "ibm";
134 case ImaginationTechnologies: return "img";
135 case MipsTechnologies: return "mti";
136 case NVIDIA: return "nvidia";
137 case CSR: return "csr";
140 llvm_unreachable("Invalid VendorType!");
143 const char *Triple::getOSTypeName(OSType Kind) {
145 case UnknownOS: return "unknown";
147 case CloudABI: return "cloudabi";
148 case Darwin: return "darwin";
149 case DragonFly: return "dragonfly";
150 case FreeBSD: return "freebsd";
151 case IOS: return "ios";
152 case KFreeBSD: return "kfreebsd";
153 case Linux: return "linux";
154 case Lv2: return "lv2";
155 case MacOSX: return "macosx";
156 case NetBSD: return "netbsd";
157 case OpenBSD: return "openbsd";
158 case Solaris: return "solaris";
159 case Win32: return "windows";
160 case Haiku: return "haiku";
161 case Minix: return "minix";
162 case RTEMS: return "rtems";
163 case NaCl: return "nacl";
164 case CNK: return "cnk";
165 case Bitrig: return "bitrig";
166 case AIX: return "aix";
167 case CUDA: return "cuda";
168 case NVCL: return "nvcl";
169 case AMDHSA: return "amdhsa";
170 case PS4: return "ps4";
173 llvm_unreachable("Invalid OSType");
176 const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
178 case UnknownEnvironment: return "unknown";
179 case GNU: return "gnu";
180 case GNUEABIHF: return "gnueabihf";
181 case GNUEABI: return "gnueabi";
182 case GNUX32: return "gnux32";
183 case CODE16: return "code16";
184 case EABI: return "eabi";
185 case EABIHF: return "eabihf";
186 case Android: return "android";
187 case MSVC: return "msvc";
188 case Itanium: return "itanium";
189 case Cygnus: return "cygnus";
192 llvm_unreachable("Invalid EnvironmentType!");
195 Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
196 return StringSwitch<Triple::ArchType>(Name)
197 .Case("aarch64", aarch64)
198 .Case("aarch64_be", aarch64_be)
199 .Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
201 .Case("armeb", armeb)
204 .Case("mipsel", mipsel)
205 .Case("mips64", mips64)
206 .Case("mips64el", mips64el)
207 .Case("msp430", msp430)
208 .Case("ppc64", ppc64)
211 .Case("ppc64le", ppc64le)
213 .Case("amdgcn", amdgcn)
214 .Case("hexagon", hexagon)
215 .Case("sparc", sparc)
216 .Case("sparcel", sparcel)
217 .Case("sparcv9", sparcv9)
218 .Case("systemz", systemz)
220 .Case("thumb", thumb)
221 .Case("thumbeb", thumbeb)
223 .Case("x86-64", x86_64)
224 .Case("xcore", xcore)
225 .Case("nvptx", nvptx)
226 .Case("nvptx64", nvptx64)
229 .Case("amdil", amdil)
230 .Case("amdil64", amdil64)
231 .Case("hsail", hsail)
232 .Case("hsail64", hsail64)
234 .Case("spir64", spir64)
235 .Case("kalimba", kalimba)
236 .Default(UnknownArch);
239 static Triple::ArchType parseARMArch(StringRef ArchName) {
240 unsigned ISA = ARMTargetParser::parseArchISA(ArchName);
241 unsigned ENDIAN = ARMTargetParser::parseArchEndian(ArchName);
243 Triple::ArchType arch = Triple::UnknownArch;
245 case ARM::EK_LITTLE: {
251 arch = Triple::thumb;
253 case ARM::IK_AARCH64:
254 arch = Triple::aarch64;
262 arch = Triple::armeb;
265 arch = Triple::thumbeb;
267 case ARM::IK_AARCH64:
268 arch = Triple::aarch64_be;
275 ArchName = ARMTargetParser::getCanonicalArchName(ArchName);
276 if (ArchName.empty())
277 return Triple::UnknownArch;
279 // Thumb only exists in v4+
280 if (ISA == ARM::IK_THUMB &&
281 (ArchName.startswith("v2") || ArchName.startswith("v3")))
282 return Triple::UnknownArch;
284 // Thumb only for v6m
285 unsigned Profile = ARMTargetParser::parseArchProfile(ArchName);
286 unsigned Version = ARMTargetParser::parseArchVersion(ArchName);
287 if (Profile == ARM::PK_M && Version == 6) {
288 if (ENDIAN == ARM::EK_BIG)
289 return Triple::thumbeb;
291 return Triple::thumb;
297 static Triple::ArchType parseArch(StringRef ArchName) {
298 Triple::ArchType ARMArch(parseARMArch(ArchName));
300 return StringSwitch<Triple::ArchType>(ArchName)
301 .Cases("i386", "i486", "i586", "i686", Triple::x86)
302 // FIXME: Do we need to support these?
303 .Cases("i786", "i886", "i986", Triple::x86)
304 .Cases("amd64", "x86_64", "x86_64h", Triple::x86_64)
305 .Case("powerpc", Triple::ppc)
306 .Cases("powerpc64", "ppu", Triple::ppc64)
307 .Case("powerpc64le", Triple::ppc64le)
308 .Case("xscale", Triple::arm)
309 .Case("xscaleeb", Triple::armeb)
310 .StartsWith("arm", ARMArch)
311 .StartsWith("thumb", ARMArch)
312 .StartsWith("aarch64", ARMArch)
313 .Case("msp430", Triple::msp430)
314 .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
315 .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
316 .Cases("mips64", "mips64eb", Triple::mips64)
317 .Case("mips64el", Triple::mips64el)
318 .Case("r600", Triple::r600)
319 .Case("amdgcn", Triple::amdgcn)
320 .Case("bpf", Triple::bpf)
321 .Case("hexagon", Triple::hexagon)
322 .Case("s390x", Triple::systemz)
323 .Case("sparc", Triple::sparc)
324 .Case("sparcel", Triple::sparcel)
325 .Cases("sparcv9", "sparc64", Triple::sparcv9)
326 .Case("tce", Triple::tce)
327 .Case("xcore", Triple::xcore)
328 .Case("nvptx", Triple::nvptx)
329 .Case("nvptx64", Triple::nvptx64)
330 .Case("le32", Triple::le32)
331 .Case("le64", Triple::le64)
332 .Case("amdil", Triple::amdil)
333 .Case("amdil64", Triple::amdil64)
334 .Case("hsail", Triple::hsail)
335 .Case("hsail64", Triple::hsail64)
336 .Case("spir", Triple::spir)
337 .Case("spir64", Triple::spir64)
338 .StartsWith("kalimba", Triple::kalimba)
339 .Default(Triple::UnknownArch);
342 static Triple::VendorType parseVendor(StringRef VendorName) {
343 return StringSwitch<Triple::VendorType>(VendorName)
344 .Case("apple", Triple::Apple)
345 .Case("pc", Triple::PC)
346 .Case("scei", Triple::SCEI)
347 .Case("bgp", Triple::BGP)
348 .Case("bgq", Triple::BGQ)
349 .Case("fsl", Triple::Freescale)
350 .Case("ibm", Triple::IBM)
351 .Case("img", Triple::ImaginationTechnologies)
352 .Case("mti", Triple::MipsTechnologies)
353 .Case("nvidia", Triple::NVIDIA)
354 .Case("csr", Triple::CSR)
355 .Default(Triple::UnknownVendor);
358 static Triple::OSType parseOS(StringRef OSName) {
359 return StringSwitch<Triple::OSType>(OSName)
360 .StartsWith("cloudabi", Triple::CloudABI)
361 .StartsWith("darwin", Triple::Darwin)
362 .StartsWith("dragonfly", Triple::DragonFly)
363 .StartsWith("freebsd", Triple::FreeBSD)
364 .StartsWith("ios", Triple::IOS)
365 .StartsWith("kfreebsd", Triple::KFreeBSD)
366 .StartsWith("linux", Triple::Linux)
367 .StartsWith("lv2", Triple::Lv2)
368 .StartsWith("macosx", Triple::MacOSX)
369 .StartsWith("netbsd", Triple::NetBSD)
370 .StartsWith("openbsd", Triple::OpenBSD)
371 .StartsWith("solaris", Triple::Solaris)
372 .StartsWith("win32", Triple::Win32)
373 .StartsWith("windows", Triple::Win32)
374 .StartsWith("haiku", Triple::Haiku)
375 .StartsWith("minix", Triple::Minix)
376 .StartsWith("rtems", Triple::RTEMS)
377 .StartsWith("nacl", Triple::NaCl)
378 .StartsWith("cnk", Triple::CNK)
379 .StartsWith("bitrig", Triple::Bitrig)
380 .StartsWith("aix", Triple::AIX)
381 .StartsWith("cuda", Triple::CUDA)
382 .StartsWith("nvcl", Triple::NVCL)
383 .StartsWith("amdhsa", Triple::AMDHSA)
384 .StartsWith("ps4", Triple::PS4)
385 .Default(Triple::UnknownOS);
388 static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
389 return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
390 .StartsWith("eabihf", Triple::EABIHF)
391 .StartsWith("eabi", Triple::EABI)
392 .StartsWith("gnueabihf", Triple::GNUEABIHF)
393 .StartsWith("gnueabi", Triple::GNUEABI)
394 .StartsWith("gnux32", Triple::GNUX32)
395 .StartsWith("code16", Triple::CODE16)
396 .StartsWith("gnu", Triple::GNU)
397 .StartsWith("android", Triple::Android)
398 .StartsWith("msvc", Triple::MSVC)
399 .StartsWith("itanium", Triple::Itanium)
400 .StartsWith("cygnus", Triple::Cygnus)
401 .Default(Triple::UnknownEnvironment);
404 static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) {
405 return StringSwitch<Triple::ObjectFormatType>(EnvironmentName)
406 .EndsWith("coff", Triple::COFF)
407 .EndsWith("elf", Triple::ELF)
408 .EndsWith("macho", Triple::MachO)
409 .Default(Triple::UnknownObjectFormat);
412 static Triple::SubArchType parseSubArch(StringRef SubArchName) {
413 StringRef ARMSubArch = ARMTargetParser::getCanonicalArchName(SubArchName);
415 // For now, this is the small part. Early return.
416 if (ARMSubArch.empty())
417 return StringSwitch<Triple::SubArchType>(SubArchName)
418 .EndsWith("kalimba3", Triple::KalimbaSubArch_v3)
419 .EndsWith("kalimba4", Triple::KalimbaSubArch_v4)
420 .EndsWith("kalimba5", Triple::KalimbaSubArch_v5)
421 .Default(Triple::NoSubArch);
424 switch(ARMTargetParser::parseArch(ARMSubArch)) {
426 return Triple::NoSubArch;
428 return Triple::ARMSubArch_v4t;
432 return Triple::ARMSubArch_v5;
433 case ARM::AK_ARMV5TE:
435 case ARM::AK_IWMMXT2:
437 case ARM::AK_ARMV5TEJ:
438 return Triple::ARMSubArch_v5te;
442 return Triple::ARMSubArch_v6;
444 case ARM::AK_ARMV6ZK:
445 case ARM::AK_ARMV6HL:
446 return Triple::ARMSubArch_v6k;
447 case ARM::AK_ARMV6T2:
448 return Triple::ARMSubArch_v6t2;
450 case ARM::AK_ARMV6SM:
451 return Triple::ARMSubArch_v6m;
456 case ARM::AK_ARMV7HL:
457 return Triple::ARMSubArch_v7;
459 return Triple::ARMSubArch_v7m;
461 return Triple::ARMSubArch_v7s;
462 case ARM::AK_ARMV7EM:
463 return Triple::ARMSubArch_v7em;
465 return Triple::ARMSubArch_v8;
466 case ARM::AK_ARMV8_1A:
467 return Triple::ARMSubArch_v8_1a;
469 return Triple::NoSubArch;
473 static const char *getObjectFormatTypeName(Triple::ObjectFormatType Kind) {
475 case Triple::UnknownObjectFormat: return "";
476 case Triple::COFF: return "coff";
477 case Triple::ELF: return "elf";
478 case Triple::MachO: return "macho";
480 llvm_unreachable("unknown object format type");
483 static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
484 switch (T.getArch()) {
487 case Triple::hexagon:
491 case Triple::mips64el:
495 case Triple::sparcv9:
496 case Triple::systemz:
498 case Triple::ppc64le:
504 return Triple::MachO;
509 return Triple::MachO;
510 else if (T.isOSWindows())
515 /// \brief Construct a triple from the string representation provided.
517 /// This stores the string representation and parses the various pieces into
519 Triple::Triple(const Twine &Str)
521 Arch(parseArch(getArchName())),
522 SubArch(parseSubArch(getArchName())),
523 Vendor(parseVendor(getVendorName())),
524 OS(parseOS(getOSName())),
525 Environment(parseEnvironment(getEnvironmentName())),
526 ObjectFormat(parseFormat(getEnvironmentName())) {
527 if (ObjectFormat == Triple::UnknownObjectFormat)
528 ObjectFormat = getDefaultFormat(*this);
531 /// \brief Construct a triple from string representations of the architecture,
534 /// This joins each argument into a canonical string representation and parses
535 /// them into enum members. It leaves the environment unknown and omits it from
536 /// the string representation.
537 Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr)
538 : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()),
539 Arch(parseArch(ArchStr.str())),
540 SubArch(parseSubArch(ArchStr.str())),
541 Vendor(parseVendor(VendorStr.str())),
542 OS(parseOS(OSStr.str())),
543 Environment(), ObjectFormat(Triple::UnknownObjectFormat) {
544 ObjectFormat = getDefaultFormat(*this);
547 /// \brief Construct a triple from string representations of the architecture,
548 /// vendor, OS, and environment.
550 /// This joins each argument into a canonical string representation and parses
551 /// them into enum members.
552 Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr,
553 const Twine &EnvironmentStr)
554 : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') +
555 EnvironmentStr).str()),
556 Arch(parseArch(ArchStr.str())),
557 SubArch(parseSubArch(ArchStr.str())),
558 Vendor(parseVendor(VendorStr.str())),
559 OS(parseOS(OSStr.str())),
560 Environment(parseEnvironment(EnvironmentStr.str())),
561 ObjectFormat(parseFormat(EnvironmentStr.str())) {
562 if (ObjectFormat == Triple::UnknownObjectFormat)
563 ObjectFormat = getDefaultFormat(*this);
566 std::string Triple::normalize(StringRef Str) {
567 bool IsMinGW32 = false;
568 bool IsCygwin = false;
570 // Parse into components.
571 SmallVector<StringRef, 4> Components;
572 Str.split(Components, "-");
574 // If the first component corresponds to a known architecture, preferentially
575 // use it for the architecture. If the second component corresponds to a
576 // known vendor, preferentially use it for the vendor, etc. This avoids silly
577 // component movement when a component parses as (eg) both a valid arch and a
579 ArchType Arch = UnknownArch;
580 if (Components.size() > 0)
581 Arch = parseArch(Components[0]);
582 VendorType Vendor = UnknownVendor;
583 if (Components.size() > 1)
584 Vendor = parseVendor(Components[1]);
585 OSType OS = UnknownOS;
586 if (Components.size() > 2) {
587 OS = parseOS(Components[2]);
588 IsCygwin = Components[2].startswith("cygwin");
589 IsMinGW32 = Components[2].startswith("mingw");
591 EnvironmentType Environment = UnknownEnvironment;
592 if (Components.size() > 3)
593 Environment = parseEnvironment(Components[3]);
594 ObjectFormatType ObjectFormat = UnknownObjectFormat;
595 if (Components.size() > 4)
596 ObjectFormat = parseFormat(Components[4]);
598 // Note which components are already in their final position. These will not
601 Found[0] = Arch != UnknownArch;
602 Found[1] = Vendor != UnknownVendor;
603 Found[2] = OS != UnknownOS;
604 Found[3] = Environment != UnknownEnvironment;
606 // If they are not there already, permute the components into their canonical
607 // positions by seeing if they parse as a valid architecture, and if so moving
608 // the component to the architecture position etc.
609 for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) {
611 continue; // Already in the canonical position.
613 for (unsigned Idx = 0; Idx != Components.size(); ++Idx) {
614 // Do not reparse any components that already matched.
615 if (Idx < array_lengthof(Found) && Found[Idx])
618 // Does this component parse as valid for the target position?
620 StringRef Comp = Components[Idx];
622 default: llvm_unreachable("unexpected component type!");
624 Arch = parseArch(Comp);
625 Valid = Arch != UnknownArch;
628 Vendor = parseVendor(Comp);
629 Valid = Vendor != UnknownVendor;
633 IsCygwin = Comp.startswith("cygwin");
634 IsMinGW32 = Comp.startswith("mingw");
635 Valid = OS != UnknownOS || IsCygwin || IsMinGW32;
638 Environment = parseEnvironment(Comp);
639 Valid = Environment != UnknownEnvironment;
641 ObjectFormat = parseFormat(Comp);
642 Valid = ObjectFormat != UnknownObjectFormat;
647 continue; // Nope, try the next component.
649 // Move the component to the target position, pushing any non-fixed
650 // components that are in the way to the right. This tends to give
651 // good results in the common cases of a forgotten vendor component
652 // or a wrongly positioned environment.
654 // Insert left, pushing the existing components to the right. For
655 // example, a-b-i386 -> i386-a-b when moving i386 to the front.
656 StringRef CurrentComponent(""); // The empty component.
657 // Replace the component we are moving with an empty component.
658 std::swap(CurrentComponent, Components[Idx]);
659 // Insert the component being moved at Pos, displacing any existing
660 // components to the right.
661 for (unsigned i = Pos; !CurrentComponent.empty(); ++i) {
662 // Skip over any fixed components.
663 while (i < array_lengthof(Found) && Found[i])
665 // Place the component at the new position, getting the component
666 // that was at this position - it will be moved right.
667 std::swap(CurrentComponent, Components[i]);
669 } else if (Pos > Idx) {
670 // Push right by inserting empty components until the component at Idx
671 // reaches the target position Pos. For example, pc-a -> -pc-a when
672 // moving pc to the second position.
674 // Insert one empty component at Idx.
675 StringRef CurrentComponent(""); // The empty component.
676 for (unsigned i = Idx; i < Components.size();) {
677 // Place the component at the new position, getting the component
678 // that was at this position - it will be moved right.
679 std::swap(CurrentComponent, Components[i]);
680 // If it was placed on top of an empty component then we are done.
681 if (CurrentComponent.empty())
683 // Advance to the next component, skipping any fixed components.
684 while (++i < array_lengthof(Found) && Found[i])
687 // The last component was pushed off the end - append it.
688 if (!CurrentComponent.empty())
689 Components.push_back(CurrentComponent);
691 // Advance Idx to the component's new position.
692 while (++Idx < array_lengthof(Found) && Found[Idx])
694 } while (Idx < Pos); // Add more until the final position is reached.
696 assert(Pos < Components.size() && Components[Pos] == Comp &&
697 "Component moved wrong!");
703 // Special case logic goes here. At this point Arch, Vendor and OS have the
704 // correct values for the computed components.
706 if (OS == Triple::Win32) {
707 Components.resize(4);
708 Components[2] = "windows";
709 if (Environment == UnknownEnvironment) {
710 if (ObjectFormat == UnknownObjectFormat || ObjectFormat == Triple::COFF)
711 Components[3] = "msvc";
713 Components[3] = getObjectFormatTypeName(ObjectFormat);
715 } else if (IsMinGW32) {
716 Components.resize(4);
717 Components[2] = "windows";
718 Components[3] = "gnu";
719 } else if (IsCygwin) {
720 Components.resize(4);
721 Components[2] = "windows";
722 Components[3] = "cygnus";
724 if (IsMinGW32 || IsCygwin ||
725 (OS == Triple::Win32 && Environment != UnknownEnvironment)) {
726 if (ObjectFormat != UnknownObjectFormat && ObjectFormat != Triple::COFF) {
727 Components.resize(5);
728 Components[4] = getObjectFormatTypeName(ObjectFormat);
732 // Stick the corrected components back together to form the normalized string.
733 std::string Normalized;
734 for (unsigned i = 0, e = Components.size(); i != e; ++i) {
735 if (i) Normalized += '-';
736 Normalized += Components[i];
741 StringRef Triple::getArchName() const {
742 return StringRef(Data).split('-').first; // Isolate first component
745 StringRef Triple::getVendorName() const {
746 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
747 return Tmp.split('-').first; // Isolate second component
750 StringRef Triple::getOSName() const {
751 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
752 Tmp = Tmp.split('-').second; // Strip second component
753 return Tmp.split('-').first; // Isolate third component
756 StringRef Triple::getEnvironmentName() const {
757 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
758 Tmp = Tmp.split('-').second; // Strip second component
759 return Tmp.split('-').second; // Strip third component
762 StringRef Triple::getOSAndEnvironmentName() const {
763 StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
764 return Tmp.split('-').second; // Strip second component
767 static unsigned EatNumber(StringRef &Str) {
768 assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
772 // Consume the leading digit.
773 Result = Result*10 + (Str[0] - '0');
777 } while (!Str.empty() && Str[0] >= '0' && Str[0] <= '9');
782 void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
783 unsigned &Micro) const {
784 StringRef OSName = getOSName();
786 // For Android, we care about the Android version rather than the Linux
788 if (getEnvironment() == Android) {
789 OSName = getEnvironmentName().substr(strlen("android"));
790 if (OSName.startswith("eabi"))
791 OSName = OSName.substr(strlen("eabi"));
794 // Assume that the OS portion of the triple starts with the canonical name.
795 StringRef OSTypeName = getOSTypeName(getOS());
796 if (OSName.startswith(OSTypeName))
797 OSName = OSName.substr(OSTypeName.size());
799 // Any unset version defaults to 0.
800 Major = Minor = Micro = 0;
802 // Parse up to three components.
803 unsigned *Components[3] = { &Major, &Minor, &Micro };
804 for (unsigned i = 0; i != 3; ++i) {
805 if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
808 // Consume the leading number.
809 *Components[i] = EatNumber(OSName);
811 // Consume the separator, if present.
812 if (OSName.startswith("."))
813 OSName = OSName.substr(1);
817 bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor,
818 unsigned &Micro) const {
819 getOSVersion(Major, Minor, Micro);
822 default: llvm_unreachable("unexpected OS for Darwin triple");
824 // Default to darwin8, i.e., MacOSX 10.4.
827 // Darwin version numbers are skewed from OS X versions.
844 // Ignore the version from the triple. This is only handled because the
845 // the clang driver combines OS X and IOS support into a common Darwin
846 // toolchain that wants to know the OS X version number even when targeting
856 void Triple::getiOSVersion(unsigned &Major, unsigned &Minor,
857 unsigned &Micro) const {
859 default: llvm_unreachable("unexpected OS for Darwin triple");
862 // Ignore the version from the triple. This is only handled because the
863 // the clang driver combines OS X and IOS support into a common Darwin
864 // toolchain that wants to know the iOS version number even when targeting
871 getOSVersion(Major, Minor, Micro);
872 // Default to 5.0 (or 7.0 for arm64).
874 Major = (getArch() == aarch64) ? 7 : 5;
879 void Triple::setTriple(const Twine &Str) {
883 void Triple::setArch(ArchType Kind) {
884 setArchName(getArchTypeName(Kind));
887 void Triple::setVendor(VendorType Kind) {
888 setVendorName(getVendorTypeName(Kind));
891 void Triple::setOS(OSType Kind) {
892 setOSName(getOSTypeName(Kind));
895 void Triple::setEnvironment(EnvironmentType Kind) {
896 if (ObjectFormat == getDefaultFormat(*this))
897 return setEnvironmentName(getEnvironmentTypeName(Kind));
899 setEnvironmentName((getEnvironmentTypeName(Kind) + Twine("-") +
900 getObjectFormatTypeName(ObjectFormat)).str());
903 void Triple::setObjectFormat(ObjectFormatType Kind) {
904 if (Environment == UnknownEnvironment)
905 return setEnvironmentName(getObjectFormatTypeName(Kind));
907 setEnvironmentName((getEnvironmentTypeName(Environment) + Twine("-") +
908 getObjectFormatTypeName(Kind)).str());
911 void Triple::setArchName(StringRef Str) {
912 // Work around a miscompilation bug for Twines in gcc 4.0.3.
913 SmallString<64> Triple;
916 Triple += getVendorName();
918 Triple += getOSAndEnvironmentName();
922 void Triple::setVendorName(StringRef Str) {
923 setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
926 void Triple::setOSName(StringRef Str) {
927 if (hasEnvironment())
928 setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
929 "-" + getEnvironmentName());
931 setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
934 void Triple::setEnvironmentName(StringRef Str) {
935 setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
939 void Triple::setOSAndEnvironmentName(StringRef Str) {
940 setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
943 static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
945 case llvm::Triple::UnknownArch:
948 case llvm::Triple::msp430:
951 case llvm::Triple::arm:
952 case llvm::Triple::armeb:
953 case llvm::Triple::hexagon:
954 case llvm::Triple::le32:
955 case llvm::Triple::mips:
956 case llvm::Triple::mipsel:
957 case llvm::Triple::nvptx:
958 case llvm::Triple::ppc:
959 case llvm::Triple::r600:
960 case llvm::Triple::sparc:
961 case llvm::Triple::sparcel:
962 case llvm::Triple::tce:
963 case llvm::Triple::thumb:
964 case llvm::Triple::thumbeb:
965 case llvm::Triple::x86:
966 case llvm::Triple::xcore:
967 case llvm::Triple::amdil:
968 case llvm::Triple::hsail:
969 case llvm::Triple::spir:
970 case llvm::Triple::kalimba:
973 case llvm::Triple::aarch64:
974 case llvm::Triple::aarch64_be:
975 case llvm::Triple::amdgcn:
976 case llvm::Triple::bpf:
977 case llvm::Triple::le64:
978 case llvm::Triple::mips64:
979 case llvm::Triple::mips64el:
980 case llvm::Triple::nvptx64:
981 case llvm::Triple::ppc64:
982 case llvm::Triple::ppc64le:
983 case llvm::Triple::sparcv9:
984 case llvm::Triple::systemz:
985 case llvm::Triple::x86_64:
986 case llvm::Triple::amdil64:
987 case llvm::Triple::hsail64:
988 case llvm::Triple::spir64:
991 llvm_unreachable("Invalid architecture value");
994 bool Triple::isArch64Bit() const {
995 return getArchPointerBitWidth(getArch()) == 64;
998 bool Triple::isArch32Bit() const {
999 return getArchPointerBitWidth(getArch()) == 32;
1002 bool Triple::isArch16Bit() const {
1003 return getArchPointerBitWidth(getArch()) == 16;
1006 Triple Triple::get32BitArchVariant() const {
1008 switch (getArch()) {
1009 case Triple::UnknownArch:
1010 case Triple::aarch64:
1011 case Triple::aarch64_be:
1012 case Triple::amdgcn:
1014 case Triple::msp430:
1015 case Triple::systemz:
1016 case Triple::ppc64le:
1017 T.setArch(UnknownArch);
1025 case Triple::hexagon:
1026 case Triple::kalimba:
1029 case Triple::mipsel:
1034 case Triple::sparcel:
1037 case Triple::thumbeb:
1043 case Triple::le64: T.setArch(Triple::le32); break;
1044 case Triple::mips64: T.setArch(Triple::mips); break;
1045 case Triple::mips64el: T.setArch(Triple::mipsel); break;
1046 case Triple::nvptx64: T.setArch(Triple::nvptx); break;
1047 case Triple::ppc64: T.setArch(Triple::ppc); break;
1048 case Triple::sparcv9: T.setArch(Triple::sparc); break;
1049 case Triple::x86_64: T.setArch(Triple::x86); break;
1050 case Triple::amdil64: T.setArch(Triple::amdil); break;
1051 case Triple::hsail64: T.setArch(Triple::hsail); break;
1052 case Triple::spir64: T.setArch(Triple::spir); break;
1057 Triple Triple::get64BitArchVariant() const {
1059 switch (getArch()) {
1060 case Triple::UnknownArch:
1063 case Triple::hexagon:
1064 case Triple::kalimba:
1065 case Triple::msp430:
1069 case Triple::thumbeb:
1071 case Triple::sparcel:
1072 T.setArch(UnknownArch);
1075 case Triple::aarch64:
1076 case Triple::aarch64_be:
1079 case Triple::amdil64:
1080 case Triple::amdgcn:
1081 case Triple::hsail64:
1082 case Triple::spir64:
1083 case Triple::mips64:
1084 case Triple::mips64el:
1085 case Triple::nvptx64:
1087 case Triple::ppc64le:
1088 case Triple::sparcv9:
1089 case Triple::systemz:
1090 case Triple::x86_64:
1094 case Triple::le32: T.setArch(Triple::le64); break;
1095 case Triple::mips: T.setArch(Triple::mips64); break;
1096 case Triple::mipsel: T.setArch(Triple::mips64el); break;
1097 case Triple::nvptx: T.setArch(Triple::nvptx64); break;
1098 case Triple::ppc: T.setArch(Triple::ppc64); break;
1099 case Triple::sparc: T.setArch(Triple::sparcv9); break;
1100 case Triple::x86: T.setArch(Triple::x86_64); break;
1101 case Triple::amdil: T.setArch(Triple::amdil64); break;
1102 case Triple::hsail: T.setArch(Triple::hsail64); break;
1103 case Triple::spir: T.setArch(Triple::spir64); break;
1108 const char *Triple::getARMCPUForArch(StringRef MArch) const {
1110 MArch = getArchName();
1112 // Some defaults are forced.
1114 case llvm::Triple::FreeBSD:
1115 case llvm::Triple::NetBSD:
1116 MArch = ARMTargetParser::getCanonicalArchName(MArch);
1117 if (!MArch.empty() && MArch == "v6")
1118 return "arm1176jzf-s";
1120 case llvm::Triple::Win32:
1121 // FIXME: this is invalid for WindowsCE
1127 MArch = ARMTargetParser::getCanonicalArchName(MArch);
1131 const char *CPU = ARMTargetParser::getDefaultCPU(MArch);
1135 // If no specific architecture version is requested, return the minimum CPU
1136 // required by the OS and environment.
1138 case llvm::Triple::NetBSD:
1139 switch (getEnvironment()) {
1140 case llvm::Triple::GNUEABIHF:
1141 case llvm::Triple::GNUEABI:
1142 case llvm::Triple::EABIHF:
1143 case llvm::Triple::EABI:
1144 return "arm926ej-s";
1148 case llvm::Triple::NaCl:
1151 switch (getEnvironment()) {
1152 case llvm::Triple::EABIHF:
1153 case llvm::Triple::GNUEABIHF:
1154 return "arm1176jzf-s";
1160 llvm_unreachable("invalid arch name");