/lib/Support/Triple.cpp
C++ | 914 lines | 734 code | 93 blank | 87 comment | 118 complexity | 99a1f191426ff9843ef7558b58904126 MD5 | raw file
- //===--- Triple.cpp - Target triple helper class --------------------------===//
- //
- // The LLVM Compiler Infrastructure
- //
- // This file is distributed under the University of Illinois Open Source
- // License. See LICENSE.TXT for details.
- //
- //===----------------------------------------------------------------------===//
- #include "llvm/ADT/Triple.h"
- #include "llvm/ADT/STLExtras.h"
- #include "llvm/ADT/SmallString.h"
- #include "llvm/ADT/StringSwitch.h"
- #include "llvm/Support/ErrorHandling.h"
- #include <cstring>
- using namespace llvm;
- const char *Triple::getArchTypeName(ArchType Kind) {
- switch (Kind) {
- case UnknownArch: return "unknown";
- case aarch64: return "aarch64";
- case aarch64_be: return "aarch64_be";
- case arm: return "arm";
- case armeb: return "armeb";
- case arm64: return "arm64";
- case hexagon: return "hexagon";
- case mips: return "mips";
- case mipsel: return "mipsel";
- case mips64: return "mips64";
- case mips64el: return "mips64el";
- case msp430: return "msp430";
- case ppc64: return "powerpc64";
- case ppc64le: return "powerpc64le";
- case ppc: return "powerpc";
- case r600: return "r600";
- case sparc: return "sparc";
- case sparcv9: return "sparcv9";
- case systemz: return "s390x";
- case tce: return "tce";
- case thumb: return "thumb";
- case thumbeb: return "thumbeb";
- case x86: return "i386";
- case x86_64: return "x86_64";
- case xcore: return "xcore";
- case nvptx: return "nvptx";
- case nvptx64: return "nvptx64";
- case le32: return "le32";
- case amdil: return "amdil";
- case spir: return "spir";
- case spir64: return "spir64";
- }
- llvm_unreachable("Invalid ArchType!");
- }
- const char *Triple::getArchTypePrefix(ArchType Kind) {
- switch (Kind) {
- default:
- return nullptr;
- case aarch64:
- case aarch64_be: return "aarch64";
- case arm:
- case armeb:
- case thumb:
- case thumbeb: return "arm";
- case arm64: return "arm64";
- case ppc64:
- case ppc64le:
- case ppc: return "ppc";
- case mips:
- case mipsel:
- case mips64:
- case mips64el: return "mips";
- case hexagon: return "hexagon";
- case r600: return "r600";
- case sparcv9:
- case sparc: return "sparc";
- case systemz: return "systemz";
- case x86:
- case x86_64: return "x86";
- case xcore: return "xcore";
- case nvptx: return "nvptx";
- case nvptx64: return "nvptx";
- case le32: return "le32";
- case amdil: return "amdil";
- case spir: return "spir";
- case spir64: return "spir";
- }
- }
- const char *Triple::getVendorTypeName(VendorType Kind) {
- switch (Kind) {
- case UnknownVendor: return "unknown";
- case Apple: return "apple";
- case PC: return "pc";
- case SCEI: return "scei";
- case BGP: return "bgp";
- case BGQ: return "bgq";
- case Freescale: return "fsl";
- case IBM: return "ibm";
- case NVIDIA: return "nvidia";
- }
- llvm_unreachable("Invalid VendorType!");
- }
- const char *Triple::getOSTypeName(OSType Kind) {
- switch (Kind) {
- case UnknownOS: return "unknown";
- case AuroraUX: return "auroraux";
- case Cygwin: return "cygwin";
- case Darwin: return "darwin";
- case DragonFly: return "dragonfly";
- case FreeBSD: return "freebsd";
- case IOS: return "ios";
- case KFreeBSD: return "kfreebsd";
- case Linux: return "linux";
- case Lv2: return "lv2";
- case MacOSX: return "macosx";
- case MinGW32: return "mingw32";
- case NetBSD: return "netbsd";
- case OpenBSD: return "openbsd";
- case Solaris: return "solaris";
- case Win32: return "windows";
- case Haiku: return "haiku";
- case Minix: return "minix";
- case RTEMS: return "rtems";
- case NaCl: return "nacl";
- case CNK: return "cnk";
- case Bitrig: return "bitrig";
- case AIX: return "aix";
- case CUDA: return "cuda";
- case NVCL: return "nvcl";
- }
- llvm_unreachable("Invalid OSType");
- }
- const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
- switch (Kind) {
- case UnknownEnvironment: return "unknown";
- case GNU: return "gnu";
- case GNUEABIHF: return "gnueabihf";
- case GNUEABI: return "gnueabi";
- case GNUX32: return "gnux32";
- case CODE16: return "code16";
- case EABI: return "eabi";
- case EABIHF: return "eabihf";
- case Android: return "android";
- case MSVC: return "msvc";
- case Itanium: return "itanium";
- case Cygnus: return "cygnus";
- }
- llvm_unreachable("Invalid EnvironmentType!");
- }
- Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
- return StringSwitch<Triple::ArchType>(Name)
- .Case("aarch64", aarch64)
- .Case("aarch64_be", aarch64_be)
- .Case("arm", arm)
- .Case("armeb", armeb)
- .Case("arm64", arm64)
- .Case("mips", mips)
- .Case("mipsel", mipsel)
- .Case("mips64", mips64)
- .Case("mips64el", mips64el)
- .Case("msp430", msp430)
- .Case("ppc64", ppc64)
- .Case("ppc32", ppc)
- .Case("ppc", ppc)
- .Case("ppc64le", ppc64le)
- .Case("r600", r600)
- .Case("hexagon", hexagon)
- .Case("sparc", sparc)
- .Case("sparcv9", sparcv9)
- .Case("systemz", systemz)
- .Case("tce", tce)
- .Case("thumb", thumb)
- .Case("thumbeb", thumbeb)
- .Case("x86", x86)
- .Case("x86-64", x86_64)
- .Case("xcore", xcore)
- .Case("nvptx", nvptx)
- .Case("nvptx64", nvptx64)
- .Case("le32", le32)
- .Case("amdil", amdil)
- .Case("spir", spir)
- .Case("spir64", spir64)
- .Default(UnknownArch);
- }
- // Returns architecture name that is understood by the target assembler.
- const char *Triple::getArchNameForAssembler() {
- if (!isOSDarwin() && getVendor() != Triple::Apple)
- return nullptr;
- return StringSwitch<const char*>(getArchName())
- .Case("i386", "i386")
- .Case("x86_64", "x86_64")
- .Case("powerpc", "ppc")
- .Case("powerpc64", "ppc64")
- .Case("powerpc64le", "ppc64le")
- .Case("arm", "arm")
- .Cases("armv4t", "thumbv4t", "armv4t")
- .Cases("armv5", "armv5e", "thumbv5", "thumbv5e", "armv5")
- .Cases("armv6", "thumbv6", "armv6")
- .Cases("armv7", "thumbv7", "armv7")
- .Case("armeb", "armeb")
- .Case("arm64", "arm64")
- .Case("r600", "r600")
- .Case("nvptx", "nvptx")
- .Case("nvptx64", "nvptx64")
- .Case("le32", "le32")
- .Case("amdil", "amdil")
- .Case("spir", "spir")
- .Case("spir64", "spir64")
- .Default(nullptr);
- }
- static Triple::ArchType parseArch(StringRef ArchName) {
- return StringSwitch<Triple::ArchType>(ArchName)
- .Cases("i386", "i486", "i586", "i686", Triple::x86)
- // FIXME: Do we need to support these?
- .Cases("i786", "i886", "i986", Triple::x86)
- .Cases("amd64", "x86_64", "x86_64h", Triple::x86_64)
- .Case("powerpc", Triple::ppc)
- .Cases("powerpc64", "ppu", Triple::ppc64)
- .Case("powerpc64le", Triple::ppc64le)
- .Case("aarch64", Triple::aarch64)
- .Case("aarch64_be", Triple::aarch64_be)
- .Cases("arm", "xscale", Triple::arm)
- // FIXME: It would be good to replace these with explicit names for all the
- // various suffixes supported.
- .StartsWith("armv", Triple::arm)
- .Case("armeb", Triple::armeb)
- .StartsWith("armebv", Triple::armeb)
- .Case("thumb", Triple::thumb)
- .StartsWith("thumbv", Triple::thumb)
- .Case("thumbeb", Triple::thumbeb)
- .StartsWith("thumbebv", Triple::thumbeb)
- .Case("arm64", Triple::arm64)
- .Case("msp430", Triple::msp430)
- .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
- .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
- .Cases("mips64", "mips64eb", Triple::mips64)
- .Case("mips64el", Triple::mips64el)
- .Case("r600", Triple::r600)
- .Case("hexagon", Triple::hexagon)
- .Case("s390x", Triple::systemz)
- .Case("sparc", Triple::sparc)
- .Cases("sparcv9", "sparc64", Triple::sparcv9)
- .Case("tce", Triple::tce)
- .Case("xcore", Triple::xcore)
- .Case("nvptx", Triple::nvptx)
- .Case("nvptx64", Triple::nvptx64)
- .Case("le32", Triple::le32)
- .Case("amdil", Triple::amdil)
- .Case("spir", Triple::spir)
- .Case("spir64", Triple::spir64)
- .Default(Triple::UnknownArch);
- }
- static Triple::VendorType parseVendor(StringRef VendorName) {
- return StringSwitch<Triple::VendorType>(VendorName)
- .Case("apple", Triple::Apple)
- .Case("pc", Triple::PC)
- .Case("scei", Triple::SCEI)
- .Case("bgp", Triple::BGP)
- .Case("bgq", Triple::BGQ)
- .Case("fsl", Triple::Freescale)
- .Case("ibm", Triple::IBM)
- .Case("nvidia", Triple::NVIDIA)
- .Default(Triple::UnknownVendor);
- }
- static Triple::OSType parseOS(StringRef OSName) {
- return StringSwitch<Triple::OSType>(OSName)
- .StartsWith("auroraux", Triple::AuroraUX)
- .StartsWith("cygwin", Triple::Cygwin)
- .StartsWith("darwin", Triple::Darwin)
- .StartsWith("dragonfly", Triple::DragonFly)
- .StartsWith("freebsd", Triple::FreeBSD)
- .StartsWith("ios", Triple::IOS)
- .StartsWith("kfreebsd", Triple::KFreeBSD)
- .StartsWith("linux", Triple::Linux)
- .StartsWith("lv2", Triple::Lv2)
- .StartsWith("macosx", Triple::MacOSX)
- .StartsWith("mingw32", Triple::MinGW32)
- .StartsWith("netbsd", Triple::NetBSD)
- .StartsWith("openbsd", Triple::OpenBSD)
- .StartsWith("solaris", Triple::Solaris)
- .StartsWith("win32", Triple::Win32)
- .StartsWith("windows", Triple::Win32)
- .StartsWith("haiku", Triple::Haiku)
- .StartsWith("minix", Triple::Minix)
- .StartsWith("rtems", Triple::RTEMS)
- .StartsWith("nacl", Triple::NaCl)
- .StartsWith("cnk", Triple::CNK)
- .StartsWith("bitrig", Triple::Bitrig)
- .StartsWith("aix", Triple::AIX)
- .StartsWith("cuda", Triple::CUDA)
- .StartsWith("nvcl", Triple::NVCL)
- .Default(Triple::UnknownOS);
- }
- static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
- return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
- .StartsWith("eabihf", Triple::EABIHF)
- .StartsWith("eabi", Triple::EABI)
- .StartsWith("gnueabihf", Triple::GNUEABIHF)
- .StartsWith("gnueabi", Triple::GNUEABI)
- .StartsWith("gnux32", Triple::GNUX32)
- .StartsWith("code16", Triple::CODE16)
- .StartsWith("gnu", Triple::GNU)
- .StartsWith("android", Triple::Android)
- .StartsWith("msvc", Triple::MSVC)
- .StartsWith("itanium", Triple::Itanium)
- .StartsWith("cygnus", Triple::Cygnus)
- .Default(Triple::UnknownEnvironment);
- }
- static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) {
- return StringSwitch<Triple::ObjectFormatType>(EnvironmentName)
- .EndsWith("coff", Triple::COFF)
- .EndsWith("elf", Triple::ELF)
- .EndsWith("macho", Triple::MachO)
- .Default(Triple::UnknownObjectFormat);
- }
- static const char *getObjectFormatTypeName(Triple::ObjectFormatType Kind) {
- switch (Kind) {
- case Triple::UnknownObjectFormat: return "";
- case Triple::COFF: return "coff";
- case Triple::ELF: return "elf";
- case Triple::MachO: return "macho";
- }
- llvm_unreachable("unknown object format type");
- }
- static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
- if (T.isOSDarwin())
- return Triple::MachO;
- else if (T.isOSWindows())
- return Triple::COFF;
- return Triple::ELF;
- }
- /// \brief Construct a triple from the string representation provided.
- ///
- /// This stores the string representation and parses the various pieces into
- /// enum members.
- Triple::Triple(const Twine &Str)
- : Data(Str.str()),
- Arch(parseArch(getArchName())),
- Vendor(parseVendor(getVendorName())),
- OS(parseOS(getOSName())),
- Environment(parseEnvironment(getEnvironmentName())),
- ObjectFormat(parseFormat(getEnvironmentName())) {
- if (ObjectFormat == Triple::UnknownObjectFormat)
- ObjectFormat = getDefaultFormat(*this);
- }
- /// \brief Construct a triple from string representations of the architecture,
- /// vendor, and OS.
- ///
- /// This joins each argument into a canonical string representation and parses
- /// them into enum members. It leaves the environment unknown and omits it from
- /// the string representation.
- Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr)
- : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()),
- Arch(parseArch(ArchStr.str())),
- Vendor(parseVendor(VendorStr.str())),
- OS(parseOS(OSStr.str())),
- Environment(), ObjectFormat(Triple::UnknownObjectFormat) {
- ObjectFormat = getDefaultFormat(*this);
- }
- /// \brief Construct a triple from string representations of the architecture,
- /// vendor, OS, and environment.
- ///
- /// This joins each argument into a canonical string representation and parses
- /// them into enum members.
- Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr,
- const Twine &EnvironmentStr)
- : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') +
- EnvironmentStr).str()),
- Arch(parseArch(ArchStr.str())),
- Vendor(parseVendor(VendorStr.str())),
- OS(parseOS(OSStr.str())),
- Environment(parseEnvironment(EnvironmentStr.str())),
- ObjectFormat(parseFormat(EnvironmentStr.str())) {
- if (ObjectFormat == Triple::UnknownObjectFormat)
- ObjectFormat = getDefaultFormat(*this);
- }
- std::string Triple::normalize(StringRef Str) {
- // Parse into components.
- SmallVector<StringRef, 4> Components;
- Str.split(Components, "-");
- // If the first component corresponds to a known architecture, preferentially
- // use it for the architecture. If the second component corresponds to a
- // known vendor, preferentially use it for the vendor, etc. This avoids silly
- // component movement when a component parses as (eg) both a valid arch and a
- // valid os.
- ArchType Arch = UnknownArch;
- if (Components.size() > 0)
- Arch = parseArch(Components[0]);
- VendorType Vendor = UnknownVendor;
- if (Components.size() > 1)
- Vendor = parseVendor(Components[1]);
- OSType OS = UnknownOS;
- if (Components.size() > 2)
- OS = parseOS(Components[2]);
- EnvironmentType Environment = UnknownEnvironment;
- if (Components.size() > 3)
- Environment = parseEnvironment(Components[3]);
- ObjectFormatType ObjectFormat = UnknownObjectFormat;
- if (Components.size() > 4)
- ObjectFormat = parseFormat(Components[4]);
- // Note which components are already in their final position. These will not
- // be moved.
- bool Found[4];
- Found[0] = Arch != UnknownArch;
- Found[1] = Vendor != UnknownVendor;
- Found[2] = OS != UnknownOS;
- Found[3] = Environment != UnknownEnvironment;
- // If they are not there already, permute the components into their canonical
- // positions by seeing if they parse as a valid architecture, and if so moving
- // the component to the architecture position etc.
- for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) {
- if (Found[Pos])
- continue; // Already in the canonical position.
- for (unsigned Idx = 0; Idx != Components.size(); ++Idx) {
- // Do not reparse any components that already matched.
- if (Idx < array_lengthof(Found) && Found[Idx])
- continue;
- // Does this component parse as valid for the target position?
- bool Valid = false;
- StringRef Comp = Components[Idx];
- switch (Pos) {
- default: llvm_unreachable("unexpected component type!");
- case 0:
- Arch = parseArch(Comp);
- Valid = Arch != UnknownArch;
- break;
- case 1:
- Vendor = parseVendor(Comp);
- Valid = Vendor != UnknownVendor;
- break;
- case 2:
- OS = parseOS(Comp);
- Valid = OS != UnknownOS;
- break;
- case 3:
- Environment = parseEnvironment(Comp);
- Valid = Environment != UnknownEnvironment;
- if (!Valid) {
- ObjectFormat = parseFormat(Comp);
- Valid = ObjectFormat != UnknownObjectFormat;
- }
- break;
- }
- if (!Valid)
- continue; // Nope, try the next component.
- // Move the component to the target position, pushing any non-fixed
- // components that are in the way to the right. This tends to give
- // good results in the common cases of a forgotten vendor component
- // or a wrongly positioned environment.
- if (Pos < Idx) {
- // Insert left, pushing the existing components to the right. For
- // example, a-b-i386 -> i386-a-b when moving i386 to the front.
- StringRef CurrentComponent(""); // The empty component.
- // Replace the component we are moving with an empty component.
- std::swap(CurrentComponent, Components[Idx]);
- // Insert the component being moved at Pos, displacing any existing
- // components to the right.
- for (unsigned i = Pos; !CurrentComponent.empty(); ++i) {
- // Skip over any fixed components.
- while (i < array_lengthof(Found) && Found[i])
- ++i;
- // Place the component at the new position, getting the component
- // that was at this position - it will be moved right.
- std::swap(CurrentComponent, Components[i]);
- }
- } else if (Pos > Idx) {
- // Push right by inserting empty components until the component at Idx
- // reaches the target position Pos. For example, pc-a -> -pc-a when
- // moving pc to the second position.
- do {
- // Insert one empty component at Idx.
- StringRef CurrentComponent(""); // The empty component.
- for (unsigned i = Idx; i < Components.size();) {
- // Place the component at the new position, getting the component
- // that was at this position - it will be moved right.
- std::swap(CurrentComponent, Components[i]);
- // If it was placed on top of an empty component then we are done.
- if (CurrentComponent.empty())
- break;
- // Advance to the next component, skipping any fixed components.
- while (++i < array_lengthof(Found) && Found[i])
- ;
- }
- // The last component was pushed off the end - append it.
- if (!CurrentComponent.empty())
- Components.push_back(CurrentComponent);
- // Advance Idx to the component's new position.
- while (++Idx < array_lengthof(Found) && Found[Idx])
- ;
- } while (Idx < Pos); // Add more until the final position is reached.
- }
- assert(Pos < Components.size() && Components[Pos] == Comp &&
- "Component moved wrong!");
- Found[Pos] = true;
- break;
- }
- }
- // Special case logic goes here. At this point Arch, Vendor and OS have the
- // correct values for the computed components.
- if (OS == Triple::Win32) {
- Components.resize(4);
- Components[2] = "windows";
- if (Environment == UnknownEnvironment) {
- if (ObjectFormat == UnknownObjectFormat || ObjectFormat == Triple::COFF)
- Components[3] = "msvc";
- else
- Components[3] = getObjectFormatTypeName(ObjectFormat);
- }
- } else if (OS == Triple::MinGW32) {
- Components.resize(4);
- Components[2] = "windows";
- Components[3] = "gnu";
- } else if (OS == Triple::Cygwin) {
- Components.resize(4);
- Components[2] = "windows";
- Components[3] = "cygnus";
- }
- if (OS == Triple::MinGW32 || OS == Triple::Cygwin ||
- (OS == Triple::Win32 && Environment != UnknownEnvironment)) {
- if (ObjectFormat != UnknownObjectFormat && ObjectFormat != Triple::COFF) {
- Components.resize(5);
- Components[4] = getObjectFormatTypeName(ObjectFormat);
- }
- }
- // Stick the corrected components back together to form the normalized string.
- std::string Normalized;
- for (unsigned i = 0, e = Components.size(); i != e; ++i) {
- if (i) Normalized += '-';
- Normalized += Components[i];
- }
- return Normalized;
- }
- StringRef Triple::getArchName() const {
- return StringRef(Data).split('-').first; // Isolate first component
- }
- StringRef Triple::getVendorName() const {
- StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
- return Tmp.split('-').first; // Isolate second component
- }
- StringRef Triple::getOSName() const {
- StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
- Tmp = Tmp.split('-').second; // Strip second component
- return Tmp.split('-').first; // Isolate third component
- }
- StringRef Triple::getEnvironmentName() const {
- StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
- Tmp = Tmp.split('-').second; // Strip second component
- return Tmp.split('-').second; // Strip third component
- }
- StringRef Triple::getOSAndEnvironmentName() const {
- StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
- return Tmp.split('-').second; // Strip second component
- }
- static unsigned EatNumber(StringRef &Str) {
- assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
- unsigned Result = 0;
- do {
- // Consume the leading digit.
- Result = Result*10 + (Str[0] - '0');
- // Eat the digit.
- Str = Str.substr(1);
- } while (!Str.empty() && Str[0] >= '0' && Str[0] <= '9');
- return Result;
- }
- void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
- unsigned &Micro) const {
- StringRef OSName = getOSName();
- // Assume that the OS portion of the triple starts with the canonical name.
- StringRef OSTypeName = getOSTypeName(getOS());
- if (OSName.startswith(OSTypeName))
- OSName = OSName.substr(OSTypeName.size());
- // Any unset version defaults to 0.
- Major = Minor = Micro = 0;
- // Parse up to three components.
- unsigned *Components[3] = { &Major, &Minor, &Micro };
- for (unsigned i = 0; i != 3; ++i) {
- if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
- break;
- // Consume the leading number.
- *Components[i] = EatNumber(OSName);
- // Consume the separator, if present.
- if (OSName.startswith("."))
- OSName = OSName.substr(1);
- }
- }
- bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor,
- unsigned &Micro) const {
- getOSVersion(Major, Minor, Micro);
- switch (getOS()) {
- default: llvm_unreachable("unexpected OS for Darwin triple");
- case Darwin:
- // Default to darwin8, i.e., MacOSX 10.4.
- if (Major == 0)
- Major = 8;
- // Darwin version numbers are skewed from OS X versions.
- if (Major < 4)
- return false;
- Micro = 0;
- Minor = Major - 4;
- Major = 10;
- break;
- case MacOSX:
- // Default to 10.4.
- if (Major == 0) {
- Major = 10;
- Minor = 4;
- }
- if (Major != 10)
- return false;
- break;
- case IOS:
- // Ignore the version from the triple. This is only handled because the
- // the clang driver combines OS X and IOS support into a common Darwin
- // toolchain that wants to know the OS X version number even when targeting
- // IOS.
- Major = 10;
- Minor = 4;
- Micro = 0;
- break;
- }
- return true;
- }
- void Triple::getiOSVersion(unsigned &Major, unsigned &Minor,
- unsigned &Micro) const {
- switch (getOS()) {
- default: llvm_unreachable("unexpected OS for Darwin triple");
- case Darwin:
- case MacOSX:
- // Ignore the version from the triple. This is only handled because the
- // the clang driver combines OS X and IOS support into a common Darwin
- // toolchain that wants to know the iOS version number even when targeting
- // OS X.
- Major = 5;
- Minor = 0;
- Micro = 0;
- break;
- case IOS:
- getOSVersion(Major, Minor, Micro);
- // Default to 5.0 (or 7.0 for arm64).
- if (Major == 0)
- Major = (getArch() == arm64) ? 7 : 5;
- break;
- }
- }
- void Triple::setTriple(const Twine &Str) {
- *this = Triple(Str);
- }
- void Triple::setArch(ArchType Kind) {
- setArchName(getArchTypeName(Kind));
- }
- void Triple::setVendor(VendorType Kind) {
- setVendorName(getVendorTypeName(Kind));
- }
- void Triple::setOS(OSType Kind) {
- setOSName(getOSTypeName(Kind));
- }
- void Triple::setEnvironment(EnvironmentType Kind) {
- setEnvironmentName(getEnvironmentTypeName(Kind));
- }
- void Triple::setObjectFormat(ObjectFormatType Kind) {
- if (Environment == UnknownEnvironment)
- return setEnvironmentName(getObjectFormatTypeName(Kind));
- Twine Env = getEnvironmentTypeName(Environment) + Twine("-") +
- getObjectFormatTypeName(Kind);
- setEnvironmentName(Env.str());
- }
- void Triple::setArchName(StringRef Str) {
- // Work around a miscompilation bug for Twines in gcc 4.0.3.
- SmallString<64> Triple;
- Triple += Str;
- Triple += "-";
- Triple += getVendorName();
- Triple += "-";
- Triple += getOSAndEnvironmentName();
- setTriple(Triple.str());
- }
- void Triple::setVendorName(StringRef Str) {
- setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
- }
- void Triple::setOSName(StringRef Str) {
- if (hasEnvironment())
- setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
- "-" + getEnvironmentName());
- else
- setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
- }
- void Triple::setEnvironmentName(StringRef Str) {
- setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
- "-" + Str);
- }
- void Triple::setOSAndEnvironmentName(StringRef Str) {
- setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
- }
- static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
- switch (Arch) {
- case llvm::Triple::UnknownArch:
- return 0;
- case llvm::Triple::msp430:
- return 16;
- case llvm::Triple::amdil:
- case llvm::Triple::arm:
- case llvm::Triple::armeb:
- case llvm::Triple::hexagon:
- case llvm::Triple::le32:
- case llvm::Triple::mips:
- case llvm::Triple::mipsel:
- case llvm::Triple::nvptx:
- case llvm::Triple::ppc:
- case llvm::Triple::r600:
- case llvm::Triple::sparc:
- case llvm::Triple::tce:
- case llvm::Triple::thumb:
- case llvm::Triple::thumbeb:
- case llvm::Triple::x86:
- case llvm::Triple::xcore:
- case llvm::Triple::spir:
- return 32;
- case llvm::Triple::arm64:
- case llvm::Triple::aarch64:
- case llvm::Triple::aarch64_be:
- case llvm::Triple::mips64:
- case llvm::Triple::mips64el:
- case llvm::Triple::nvptx64:
- case llvm::Triple::ppc64:
- case llvm::Triple::ppc64le:
- case llvm::Triple::sparcv9:
- case llvm::Triple::systemz:
- case llvm::Triple::x86_64:
- case llvm::Triple::spir64:
- return 64;
- }
- llvm_unreachable("Invalid architecture value");
- }
- bool Triple::isArch64Bit() const {
- return getArchPointerBitWidth(getArch()) == 64;
- }
- bool Triple::isArch32Bit() const {
- return getArchPointerBitWidth(getArch()) == 32;
- }
- bool Triple::isArch16Bit() const {
- return getArchPointerBitWidth(getArch()) == 16;
- }
- Triple Triple::get32BitArchVariant() const {
- Triple T(*this);
- switch (getArch()) {
- case Triple::UnknownArch:
- case Triple::aarch64:
- case Triple::aarch64_be:
- case Triple::arm64:
- case Triple::msp430:
- case Triple::systemz:
- case Triple::ppc64le:
- T.setArch(UnknownArch);
- break;
- case Triple::amdil:
- case Triple::spir:
- case Triple::arm:
- case Triple::armeb:
- case Triple::hexagon:
- case Triple::le32:
- case Triple::mips:
- case Triple::mipsel:
- case Triple::nvptx:
- case Triple::ppc:
- case Triple::r600:
- case Triple::sparc:
- case Triple::tce:
- case Triple::thumb:
- case Triple::thumbeb:
- case Triple::x86:
- case Triple::xcore:
- // Already 32-bit.
- break;
- case Triple::mips64: T.setArch(Triple::mips); break;
- case Triple::mips64el: T.setArch(Triple::mipsel); break;
- case Triple::nvptx64: T.setArch(Triple::nvptx); break;
- case Triple::ppc64: T.setArch(Triple::ppc); break;
- case Triple::sparcv9: T.setArch(Triple::sparc); break;
- case Triple::x86_64: T.setArch(Triple::x86); break;
- case Triple::spir64: T.setArch(Triple::spir); break;
- }
- return T;
- }
- Triple Triple::get64BitArchVariant() const {
- Triple T(*this);
- switch (getArch()) {
- case Triple::UnknownArch:
- case Triple::amdil:
- case Triple::arm:
- case Triple::armeb:
- case Triple::hexagon:
- case Triple::le32:
- case Triple::msp430:
- case Triple::r600:
- case Triple::tce:
- case Triple::thumb:
- case Triple::thumbeb:
- case Triple::xcore:
- T.setArch(UnknownArch);
- break;
- case Triple::aarch64:
- case Triple::aarch64_be:
- case Triple::spir64:
- case Triple::mips64:
- case Triple::mips64el:
- case Triple::nvptx64:
- case Triple::ppc64:
- case Triple::ppc64le:
- case Triple::sparcv9:
- case Triple::systemz:
- case Triple::x86_64:
- case Triple::arm64:
- // Already 64-bit.
- break;
- case Triple::mips: T.setArch(Triple::mips64); break;
- case Triple::mipsel: T.setArch(Triple::mips64el); break;
- case Triple::nvptx: T.setArch(Triple::nvptx64); break;
- case Triple::ppc: T.setArch(Triple::ppc64); break;
- case Triple::sparc: T.setArch(Triple::sparcv9); break;
- case Triple::x86: T.setArch(Triple::x86_64); break;
- case Triple::spir: T.setArch(Triple::spir64); break;
- }
- return T;
- }