//===----------------------------------------------------------------------===//
#include "llvm/ADT/Triple.h"
-
-#include "llvm/ADT/Twine.h"
-#include <cassert>
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/ErrorHandling.h"
#include <cstring>
using namespace llvm;
-//
-
const char *Triple::getArchTypeName(ArchType Kind) {
switch (Kind) {
- case InvalidArch: return "<invalid>";
case UnknownArch: return "unknown";
-
- case alpha: return "alpha";
+
case arm: return "arm";
- case bfin: return "bfin";
case cellspu: return "cellspu";
+ 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 pic16: return "pic16";
case ppc64: return "powerpc64";
case ppc: return "powerpc";
+ case r600: return "r600";
case sparc: return "sparc";
- case systemz: return "s390x";
+ case sparcv9: return "sparcv9";
case tce: return "tce";
case thumb: return "thumb";
case x86: return "i386";
case x86_64: return "x86_64";
case xcore: return "xcore";
+ case mblaze: return "mblaze";
+ case nvptx: return "nvptx";
+ case nvptx64: return "nvptx64";
+ case le32: return "le32";
+ case amdil: return "amdil";
}
- return "<invalid>";
+ llvm_unreachable("Invalid ArchType!");
}
const char *Triple::getArchTypePrefix(ArchType Kind) {
default:
return 0;
- case alpha: return "alpha";
-
case arm:
case thumb: return "arm";
- case bfin: return "bfin";
-
case cellspu: return "spu";
case ppc64:
case ppc: return "ppc";
+ case mblaze: return "mblaze";
+
+ 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 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 Apple: return "apple";
case PC: return "pc";
+ case SCEI: return "scei";
+ case BGP: return "bgp";
+ case BGQ: return "bgq";
}
- return "<invalid>";
+ llvm_unreachable("Invalid VendorType!");
}
const char *Triple::getOSTypeName(OSType Kind) {
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 MinGW64: return "mingw64";
case NetBSD: return "netbsd";
case OpenBSD: return "openbsd";
case Solaris: return "solaris";
case Win32: return "win32";
+ case Haiku: return "haiku";
+ case Minix: return "minix";
+ case RTEMS: return "rtems";
+ case NativeClient: return "nacl";
+ case CNK: return "cnk";
}
- return "<invalid>";
-}
-
-Triple::ArchType Triple::getArchTypeForLLVMName(const StringRef &Name) {
- if (Name == "alpha")
- return alpha;
- if (Name == "arm")
- return arm;
- if (Name == "bfin")
- return bfin;
- if (Name == "cellspu")
- return cellspu;
- if (Name == "mips")
- return mips;
- if (Name == "mipsel")
- return mipsel;
- if (Name == "msp430")
- return msp430;
- if (Name == "pic16")
- return pic16;
- if (Name == "ppc64")
- return ppc64;
- if (Name == "ppc")
- return ppc;
- if (Name == "sparc")
- return sparc;
- if (Name == "systemz")
- return systemz;
- if (Name == "tce")
- return tce;
- if (Name == "thumb")
- return thumb;
- if (Name == "x86")
- return x86;
- if (Name == "x86-64")
- return x86_64;
- if (Name == "xcore")
- return xcore;
-
- return UnknownArch;
+ 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 EABI: return "eabi";
+ case MachO: return "macho";
+ case ANDROIDEABI: return "androideabi";
+ }
-void Triple::Parse() const {
- assert(!isInitialized() && "Invalid parse call.");
+ llvm_unreachable("Invalid EnvironmentType!");
+}
- StringRef ArchName = getArchName();
- StringRef VendorName = getVendorName();
- StringRef OSName = getOSName();
+Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
+ return StringSwitch<Triple::ArchType>(Name)
+ .Case("arm", arm)
+ .Case("cellspu", cellspu)
+ .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("mblaze", mblaze)
+ .Case("r600", r600)
+ .Case("hexagon", hexagon)
+ .Case("sparc", sparc)
+ .Case("sparcv9", sparcv9)
+ .Case("tce", tce)
+ .Case("thumb", thumb)
+ .Case("x86", x86)
+ .Case("x86-64", x86_64)
+ .Case("xcore", xcore)
+ .Case("nvptx", nvptx)
+ .Case("nvptx64", nvptx64)
+ .Case("le32", le32)
+ .Case("amdil", amdil)
+ .Default(UnknownArch);
+}
- if (ArchName.size() == 4 && ArchName[0] == 'i' &&
- ArchName[2] == '8' && ArchName[3] == '6' &&
- ArchName[1] - '3' < 6) // i[3-9]86
- Arch = x86;
- else if (ArchName == "amd64" || ArchName == "x86_64")
- Arch = x86_64;
- else if (ArchName == "bfin")
- Arch = bfin;
- else if (ArchName == "pic16")
- Arch = pic16;
- else if (ArchName == "powerpc")
- Arch = ppc;
- else if (ArchName == "powerpc64")
- Arch = ppc64;
- else if (ArchName == "arm" ||
- ArchName.startswith("armv") ||
- ArchName == "xscale")
- Arch = arm;
- else if (ArchName == "thumb" ||
- ArchName.startswith("thumbv"))
- Arch = thumb;
- else if (ArchName.startswith("alpha"))
- Arch = alpha;
- else if (ArchName == "spu" || ArchName == "cellspu")
- Arch = cellspu;
- else if (ArchName == "msp430")
- Arch = msp430;
- else if (ArchName == "mips" || ArchName == "mipsallegrex")
- Arch = mips;
- else if (ArchName == "mipsel" || ArchName == "mipsallegrexel" ||
- ArchName == "psp")
- Arch = mipsel;
- else if (ArchName == "sparc")
- Arch = sparc;
- else if (ArchName == "s390x")
- Arch = systemz;
- else if (ArchName == "tce")
- Arch = tce;
- else
- Arch = UnknownArch;
+Triple::ArchType Triple::getArchTypeForDarwinArchName(StringRef Str) {
+ // See arch(3) and llvm-gcc's driver-driver.c. We don't implement support for
+ // archs which Darwin doesn't use.
+
+ // The matching this routine does is fairly pointless, since it is neither the
+ // complete architecture list, nor a reasonable subset. The problem is that
+ // historically the driver driver accepts this and also ties its -march=
+ // handling to the architecture name, so we need to be careful before removing
+ // support for it.
+
+ // This code must be kept in sync with Clang's Darwin specific argument
+ // translation.
+
+ return StringSwitch<ArchType>(Str)
+ .Cases("ppc", "ppc601", "ppc603", "ppc604", "ppc604e", Triple::ppc)
+ .Cases("ppc750", "ppc7400", "ppc7450", "ppc970", Triple::ppc)
+ .Case("ppc64", Triple::ppc64)
+ .Cases("i386", "i486", "i486SX", "i586", "i686", Triple::x86)
+ .Cases("pentium", "pentpro", "pentIIm3", "pentIIm5", "pentium4",
+ Triple::x86)
+ .Case("x86_64", Triple::x86_64)
+ // This is derived from the driver driver.
+ .Cases("arm", "armv4t", "armv5", "armv6", Triple::arm)
+ .Cases("armv7", "armv7f", "armv7k", "armv7s", "xscale", Triple::arm)
+ .Case("r600", Triple::r600)
+ .Case("nvptx", Triple::nvptx)
+ .Case("nvptx64", Triple::nvptx64)
+ .Case("amdil", Triple::amdil)
+ .Default(Triple::UnknownArch);
+}
+// Returns architecture name that is understood by the target assembler.
+const char *Triple::getArchNameForAssembler() {
+ if (!isOSDarwin() && getVendor() != Triple::Apple)
+ return NULL;
+
+ return StringSwitch<const char*>(getArchName())
+ .Case("i386", "i386")
+ .Case("x86_64", "x86_64")
+ .Case("powerpc", "ppc")
+ .Case("powerpc64", "ppc64")
+ .Cases("mblaze", "microblaze", "mblaze")
+ .Case("arm", "arm")
+ .Cases("armv4t", "thumbv4t", "armv4t")
+ .Cases("armv5", "armv5e", "thumbv5", "thumbv5e", "armv5")
+ .Cases("armv6", "thumbv6", "armv6")
+ .Cases("armv7", "thumbv7", "armv7")
+ .Case("r600", "r600")
+ .Case("nvptx", "nvptx")
+ .Case("nvptx64", "nvptx64")
+ .Case("le32", "le32")
+ .Case("amdil", "amdil")
+ .Default(NULL);
+}
- // Handle some exceptional cases where the OS / environment components are
- // stuck into the vendor field.
- if (StringRef(getTriple()).count('-') == 1) {
- StringRef VendorName = getVendorName();
+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", Triple::x86_64)
+ .Case("powerpc", Triple::ppc)
+ .Cases("powerpc64", "ppu", Triple::ppc64)
+ .Case("mblaze", Triple::mblaze)
+ .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("thumb", Triple::thumb)
+ .StartsWith("thumbv", Triple::thumb)
+ .Cases("spu", "cellspu", Triple::cellspu)
+ .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("sparc", Triple::sparc)
+ .Case("sparcv9", 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)
+ .Default(Triple::UnknownArch);
+}
- if (VendorName.startswith("mingw32")) { // 'i386-mingw32', etc.
- Vendor = PC;
- OS = MinGW32;
- return;
- }
+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)
+ .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("haiku", Triple::Haiku)
+ .StartsWith("minix", Triple::Minix)
+ .StartsWith("rtems", Triple::RTEMS)
+ .StartsWith("nacl", Triple::NativeClient)
+ .StartsWith("cnk", Triple::CNK)
+ .Default(Triple::UnknownOS);
+}
+
+static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
+ return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
+ .StartsWith("eabi", Triple::EABI)
+ .StartsWith("gnueabihf", Triple::GNUEABIHF)
+ .StartsWith("gnueabi", Triple::GNUEABI)
+ .StartsWith("gnu", Triple::GNU)
+ .StartsWith("macho", Triple::MachO)
+ .StartsWith("androideabi", Triple::ANDROIDEABI)
+ .Default(Triple::UnknownEnvironment);
+}
- // arm-elf is another example, but we don't currently parse anything about
- // the environment.
+/// \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())) {
+}
+
+/// \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() {
+}
+
+/// \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())) {
+}
+
+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]);
+
+ // 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;
+ 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;
+ }
}
- if (VendorName == "apple")
- Vendor = Apple;
- else if (VendorName == "pc")
- Vendor = PC;
- else
- Vendor = UnknownVendor;
-
- if (OSName.startswith("auroraux"))
- OS = AuroraUX;
- else if (OSName.startswith("cygwin"))
- OS = Cygwin;
- else if (OSName.startswith("darwin"))
- OS = Darwin;
- else if (OSName.startswith("dragonfly"))
- OS = DragonFly;
- else if (OSName.startswith("freebsd"))
- OS = FreeBSD;
- else if (OSName.startswith("linux"))
- OS = Linux;
- else if (OSName.startswith("mingw32"))
- OS = MinGW32;
- else if (OSName.startswith("mingw64"))
- OS = MinGW64;
- else if (OSName.startswith("netbsd"))
- OS = NetBSD;
- else if (OSName.startswith("openbsd"))
- OS = OpenBSD;
- else if (OSName.startswith("solaris"))
- OS = Solaris;
- else if (OSName.startswith("win32"))
- OS = Win32;
- else
- OS = UnknownOS;
+ // Special case logic goes here. At this point Arch, Vendor and OS have the
+ // correct values for the computed components.
- assert(isInitialized() && "Failed to initialize!");
+ // 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 {
static unsigned EatNumber(StringRef &Str) {
assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
- unsigned Result = Str[0]-'0';
-
- // Eat the digit.
- Str = Str.substr(1);
-
- // Handle "darwin11".
- if (Result == 1 && !Str.empty() && Str[0] >= '0' && Str[0] <= '9') {
+ 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;
}
-/// getDarwinNumber - Parse the 'darwin number' out of the specific target
-/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
-/// not defined, return 0's. This requires that the triple have an OSType of
-/// darwin before it is called.
-void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min,
- unsigned &Revision) const {
- assert(getOS() == Darwin && "Not a darwin target triple!");
+void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
+ unsigned &Micro) const {
StringRef OSName = getOSName();
- assert(OSName.startswith("darwin") && "Unknown darwin target triple!");
-
- // Strip off "darwin".
- OSName = OSName.substr(6);
-
- Maj = Min = Revision = 0;
-
- if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
- return;
-
- // The major version is the first digit.
- Maj = EatNumber(OSName);
- if (OSName.empty()) return;
-
- // Handle minor version: 10.4.9 -> darwin8.9.
- if (OSName[0] != '.')
- return;
-
- // Eat the '.'.
- OSName = OSName.substr(1);
-
- if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
- return;
-
- Min = EatNumber(OSName);
- if (OSName.empty()) return;
-
- // Handle revision darwin8.9.1
- if (OSName[0] != '.')
- return;
-
- // Eat the '.'.
- OSName = OSName.substr(1);
-
- if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
- return;
-
- Revision = EatNumber(OSName);
+
+ // 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 = 3;
+ Minor = 0;
+ Micro = 0;
+ break;
+ case IOS:
+ getOSVersion(Major, Minor, Micro);
+ // Default to 3.0.
+ if (Major == 0)
+ Major = 3;
+ break;
+ }
}
void Triple::setTriple(const Twine &Str) {
- Data = Str.str();
- Arch = InvalidArch;
+ *this = Triple(Str);
}
void Triple::setArch(ArchType Kind) {
setOSName(getOSTypeName(Kind));
}
-void Triple::setArchName(const StringRef &Str) {
- setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
+void Triple::setEnvironment(EnvironmentType Kind) {
+ setEnvironmentName(getEnvironmentTypeName(Kind));
}
-void Triple::setVendorName(const StringRef &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(const StringRef &Str) {
+void Triple::setOSName(StringRef Str) {
if (hasEnvironment())
setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
"-" + getEnvironmentName());
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
-void Triple::setEnvironmentName(const StringRef &Str) {
- setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
+void Triple::setEnvironmentName(StringRef Str) {
+ setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
"-" + Str);
}
-void Triple::setOSAndEnvironmentName(const StringRef &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::cellspu:
+ case llvm::Triple::hexagon:
+ case llvm::Triple::le32:
+ case llvm::Triple::mblaze:
+ 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::x86:
+ case llvm::Triple::xcore:
+ return 32;
+
+ case llvm::Triple::mips64:
+ case llvm::Triple::mips64el:
+ case llvm::Triple::nvptx64:
+ case llvm::Triple::ppc64:
+ case llvm::Triple::sparcv9:
+ case llvm::Triple::x86_64:
+ 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::msp430:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::amdil:
+ case Triple::arm:
+ case Triple::cellspu:
+ case Triple::hexagon:
+ case Triple::le32:
+ case Triple::mblaze:
+ 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::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;
+ }
+ return T;
+}
+
+Triple Triple::get64BitArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ case Triple::amdil:
+ case Triple::arm:
+ case Triple::cellspu:
+ case Triple::hexagon:
+ case Triple::le32:
+ case Triple::mblaze:
+ case Triple::msp430:
+ case Triple::r600:
+ case Triple::tce:
+ case Triple::thumb:
+ case Triple::xcore:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::mips64:
+ case Triple::mips64el:
+ case Triple::nvptx64:
+ case Triple::ppc64:
+ case Triple::sparcv9:
+ case Triple::x86_64:
+ // 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;
+ }
+ return T;
+}
projects / oota-llvm.git / blobdiff