//===----------------------------------------------------------------------===//
#include "llvm/ADT/Triple.h"
-
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/Twine.h"
-#include <cassert>
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetParser.h"
+#include "llvm/Support/Host.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 mips: return "mips";
- case mipsel: return "mipsel";
- case msp430: return "msp430";
- case pic16: return "pic16";
- case ppc64: return "powerpc64";
- case ppc: return "powerpc";
- case sparc: return "sparc";
- case sparcv9: return "sparcv9";
- case systemz: return "s390x";
- 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";
- }
-
- return "<invalid>";
+
+ case aarch64: return "aarch64";
+ case aarch64_be: return "aarch64_be";
+ case arm: return "arm";
+ case armeb: return "armeb";
+ case avr: return "avr";
+ case bpfel: return "bpfel";
+ case bpfeb: return "bpfeb";
+ 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 amdgcn: return "amdgcn";
+ case sparc: return "sparc";
+ case sparcv9: return "sparcv9";
+ case sparcel: return "sparcel";
+ 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 le64: return "le64";
+ case amdil: return "amdil";
+ case amdil64: return "amdil64";
+ case hsail: return "hsail";
+ case hsail64: return "hsail64";
+ case spir: return "spir";
+ case spir64: return "spir64";
+ case kalimba: return "kalimba";
+ case shave: return "shave";
+ case wasm32: return "wasm32";
+ case wasm64: return "wasm64";
+ }
+
+ llvm_unreachable("Invalid ArchType!");
}
const char *Triple::getArchTypePrefix(ArchType Kind) {
switch (Kind) {
default:
- return 0;
+ return nullptr;
- case alpha: return "alpha";
+ case aarch64:
+ case aarch64_be: return "aarch64";
case arm:
- case thumb: return "arm";
+ case armeb:
+ case thumb:
+ case thumbeb: return "arm";
- case bfin: return "bfin";
-
- case cellspu: return "spu";
+ case avr: return "avr";
case ppc64:
- case ppc: return "ppc";
+ case ppc64le:
+ case ppc: return "ppc";
+
+ case mips:
+ case mipsel:
+ case mips64:
+ case mips64el: return "mips";
- case mblaze: return "mblaze";
+ case hexagon: return "hexagon";
+
+ case amdgcn:
+ case r600: return "amdgpu";
+
+ case bpfel:
+ case bpfeb: return "bpf";
case sparcv9:
- case sparc: return "sparc";
+ case sparcel:
+ case sparc: return "sparc";
+
+ case systemz: return "s390";
case x86:
- case x86_64: return "x86";
- case xcore: return "xcore";
+ case x86_64: return "x86";
+
+ case xcore: return "xcore";
+
+ case nvptx: return "nvptx";
+ case nvptx64: return "nvptx";
+
+ case le32: return "le32";
+ case le64: return "le64";
+
+ case amdil:
+ case amdil64: return "amdil";
+
+ case hsail:
+ case hsail64: return "hsail";
+
+ case spir:
+ case spir64: return "spir";
+ case kalimba: return "kalimba";
+ case shave: return "shave";
+ case wasm32:
+ case wasm64: return "wasm";
}
}
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 ImaginationTechnologies: return "img";
+ case MipsTechnologies: return "mti";
+ case NVIDIA: return "nvidia";
+ case CSR: return "csr";
+ case Myriad: return "myriad";
}
- return "<invalid>";
+ 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 CloudABI: return "cloudabi";
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 MinGW32: return "mingw32";
- case MinGW64: return "mingw64";
+ case MacOSX: return "macosx";
case NetBSD: return "netbsd";
case OpenBSD: return "openbsd";
- case Psp: return "psp";
case Solaris: return "solaris";
- case Win32: return "win32";
+ 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";
+ case AMDHSA: return "amdhsa";
+ case PS4: return "ps4";
+ case ELFIAMCU: return "elfiamcu";
+ case TvOS: return "tvos";
+ case WatchOS: return "watchos";
}
- return "<invalid>";
+ 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";
+ case AMDOpenCL: return "amdopencl";
+ case CoreCLR: return "coreclr";
+ }
+
+ llvm_unreachable("Invalid EnvironmentType!");
+}
+
+static Triple::ArchType parseBPFArch(StringRef ArchName) {
+ if (ArchName.equals("bpf")) {
+ if (sys::IsLittleEndianHost)
+ return Triple::bpfel;
+ else
+ return Triple::bpfeb;
+ } else if (ArchName.equals("bpf_be") || ArchName.equals("bpfeb")) {
+ return Triple::bpfeb;
+ } else if (ArchName.equals("bpf_le") || ArchName.equals("bpfel")) {
+ return Triple::bpfel;
+ } else {
+ return Triple::UnknownArch;
+ }
}
Triple::ArchType Triple::getArchTypeForLLVMName(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 == "mblaze")
- return mblaze;
- if (Name == "sparc")
- return sparc;
- if (Name == "sparcv9")
- return sparcv9;
- 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;
-}
-
-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.
-
- if (Str == "ppc" || Str == "ppc601" || Str == "ppc603" || Str == "ppc604" ||
- Str == "ppc604e" || Str == "ppc750" || Str == "ppc7400" ||
- Str == "ppc7450" || Str == "ppc970")
- return Triple::ppc;
-
- if (Str == "ppc64")
- return Triple::ppc64;
-
- if (Str == "i386" || Str == "i486" || Str == "i486SX" || Str == "pentium" ||
- Str == "i586" || Str == "pentpro" || Str == "i686" || Str == "pentIIm3" ||
- Str == "pentIIm5" || Str == "pentium4")
- return Triple::x86;
-
- if (Str == "x86_64")
- return Triple::x86_64;
-
- // This is derived from the driver driver.
- if (Str == "arm" || Str == "armv4t" || Str == "armv5" || Str == "xscale" ||
- Str == "armv6" || Str == "armv7")
- return Triple::arm;
-
- return Triple::UnknownArch;
-}
-
-// Returns architecture name that is understood by the target assembler.
-const char *Triple::getArchNameForAssembler() {
- if (getOS() != Triple::Darwin && getVendor() != Triple::Apple)
- return NULL;
-
- StringRef Str = getArchName();
- if (Str == "i386")
- return "i386";
- if (Str == "x86_64")
- return "x86_64";
- if (Str == "powerpc")
- return "ppc";
- if (Str == "powerpc64")
- return "ppc64";
- if (Str == "mblaze" || Str == "microblaze")
- return "mblaze";
- if (Str == "arm")
- return "arm";
- if (Str == "armv4t" || Str == "thumbv4t")
- return "armv4t";
- if (Str == "armv5" || Str == "armv5e" || Str == "thumbv5" || Str == "thumbv5e")
- return "armv5";
- if (Str == "armv6" || Str == "thumbv6")
- return "armv6";
- if (Str == "armv7" || Str == "thumbv7")
- return "armv7";
- return NULL;
+ Triple::ArchType BPFArch(parseBPFArch(Name));
+ return StringSwitch<Triple::ArchType>(Name)
+ .Case("aarch64", aarch64)
+ .Case("aarch64_be", aarch64_be)
+ .Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
+ .Case("arm", arm)
+ .Case("armeb", armeb)
+ .Case("avr", avr)
+ .StartsWith("bpf", BPFArch)
+ .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("amdgcn", amdgcn)
+ .Case("hexagon", hexagon)
+ .Case("sparc", sparc)
+ .Case("sparcel", sparcel)
+ .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("le64", le64)
+ .Case("amdil", amdil)
+ .Case("amdil64", amdil64)
+ .Case("hsail", hsail)
+ .Case("hsail64", hsail64)
+ .Case("spir", spir)
+ .Case("spir64", spir64)
+ .Case("kalimba", kalimba)
+ .Case("shave", shave)
+ .Case("wasm32", wasm32)
+ .Case("wasm64", wasm64)
+ .Default(UnknownArch);
}
-//
+static Triple::ArchType parseARMArch(StringRef ArchName) {
+ unsigned ISA = ARM::parseArchISA(ArchName);
+ unsigned ENDIAN = ARM::parseArchEndian(ArchName);
+
+ Triple::ArchType arch = Triple::UnknownArch;
+ switch (ENDIAN) {
+ case ARM::EK_LITTLE: {
+ switch (ISA) {
+ case ARM::IK_ARM:
+ arch = Triple::arm;
+ break;
+ case ARM::IK_THUMB:
+ arch = Triple::thumb;
+ break;
+ case ARM::IK_AARCH64:
+ arch = Triple::aarch64;
+ break;
+ }
+ break;
+ }
+ case ARM::EK_BIG: {
+ switch (ISA) {
+ case ARM::IK_ARM:
+ arch = Triple::armeb;
+ break;
+ case ARM::IK_THUMB:
+ arch = Triple::thumbeb;
+ break;
+ case ARM::IK_AARCH64:
+ arch = Triple::aarch64_be;
+ break;
+ }
+ break;
+ }
+ }
-void Triple::Parse() const {
- assert(!isInitialized() && "Invalid parse call.");
+ ArchName = ARM::getCanonicalArchName(ArchName);
+ if (ArchName.empty())
+ return Triple::UnknownArch;
+
+ // Thumb only exists in v4+
+ if (ISA == ARM::IK_THUMB &&
+ (ArchName.startswith("v2") || ArchName.startswith("v3")))
+ return Triple::UnknownArch;
+
+ // Thumb only for v6m
+ unsigned Profile = ARM::parseArchProfile(ArchName);
+ unsigned Version = ARM::parseArchVersion(ArchName);
+ if (Profile == ARM::PK_M && Version == 6) {
+ if (ENDIAN == ARM::EK_BIG)
+ return Triple::thumbeb;
+ else
+ return Triple::thumb;
+ }
- StringRef ArchName = getArchName();
- StringRef VendorName = getVendorName();
- StringRef OSName = getOSName();
+ return arch;
+}
- 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") || (ArchName == "ppu"))
- Arch = ppc64;
- else if (ArchName == "mblaze")
- Arch = mblaze;
- 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 == "sparcv9")
- Arch = sparcv9;
- else if (ArchName == "s390x")
- Arch = systemz;
- else if (ArchName == "tce")
- Arch = tce;
- else if (ArchName == "xcore")
- Arch = xcore;
- else
- Arch = UnknownArch;
+static Triple::ArchType parseArch(StringRef ArchName) {
+ auto AT = 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("xscale", Triple::arm)
+ .Case("xscaleeb", Triple::armeb)
+ .Case("aarch64", Triple::aarch64)
+ .Case("aarch64_be", Triple::aarch64_be)
+ .Case("arm64", Triple::aarch64)
+ .Case("arm", Triple::arm)
+ .Case("armeb", Triple::armeb)
+ .Case("thumb", Triple::thumb)
+ .Case("thumbeb", Triple::thumbeb)
+ .Case("avr", Triple::avr)
+ .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("amdgcn", Triple::amdgcn)
+ .Case("hexagon", Triple::hexagon)
+ .Case("s390x", Triple::systemz)
+ .Case("sparc", Triple::sparc)
+ .Case("sparcel", Triple::sparcel)
+ .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("le64", Triple::le64)
+ .Case("amdil", Triple::amdil)
+ .Case("amdil64", Triple::amdil64)
+ .Case("hsail", Triple::hsail)
+ .Case("hsail64", Triple::hsail64)
+ .Case("spir", Triple::spir)
+ .Case("spir64", Triple::spir64)
+ .StartsWith("kalimba", Triple::kalimba)
+ .Case("shave", Triple::shave)
+ .Case("wasm32", Triple::wasm32)
+ .Case("wasm64", Triple::wasm64)
+ .Default(Triple::UnknownArch);
+
+ // Some architectures require special parsing logic just to compute the
+ // ArchType result.
+ if (AT == Triple::UnknownArch) {
+ if (ArchName.startswith("arm") || ArchName.startswith("thumb") ||
+ ArchName.startswith("aarch64"))
+ return parseARMArch(ArchName);
+ if (ArchName.startswith("bpf"))
+ return parseBPFArch(ArchName);
+ }
+
+ return AT;
+}
+
+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("img", Triple::ImaginationTechnologies)
+ .Case("mti", Triple::MipsTechnologies)
+ .Case("nvidia", Triple::NVIDIA)
+ .Case("csr", Triple::CSR)
+ .Case("myriad", Triple::Myriad)
+ .Default(Triple::UnknownVendor);
+}
+
+static Triple::OSType parseOS(StringRef OSName) {
+ return StringSwitch<Triple::OSType>(OSName)
+ .StartsWith("cloudabi", Triple::CloudABI)
+ .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("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)
+ .StartsWith("amdhsa", Triple::AMDHSA)
+ .StartsWith("ps4", Triple::PS4)
+ .StartsWith("elfiamcu", Triple::ELFIAMCU)
+ .StartsWith("tvos", Triple::TvOS)
+ .StartsWith("watchos", Triple::WatchOS)
+ .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)
+ .StartsWith("amdopencl", Triple::AMDOpenCL)
+ .StartsWith("coreclr", Triple::CoreCLR)
+ .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);
+}
- // 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::SubArchType parseSubArch(StringRef SubArchName) {
+ StringRef ARMSubArch = ARM::getCanonicalArchName(SubArchName);
+
+ // For now, this is the small part. Early return.
+ if (ARMSubArch.empty())
+ return StringSwitch<Triple::SubArchType>(SubArchName)
+ .EndsWith("kalimba3", Triple::KalimbaSubArch_v3)
+ .EndsWith("kalimba4", Triple::KalimbaSubArch_v4)
+ .EndsWith("kalimba5", Triple::KalimbaSubArch_v5)
+ .Default(Triple::NoSubArch);
+
+ // ARM sub arch.
+ switch(ARM::parseArch(ARMSubArch)) {
+ case ARM::AK_ARMV4:
+ return Triple::NoSubArch;
+ case ARM::AK_ARMV4T:
+ return Triple::ARMSubArch_v4t;
+ case ARM::AK_ARMV5T:
+ return Triple::ARMSubArch_v5;
+ case ARM::AK_ARMV5TE:
+ case ARM::AK_IWMMXT:
+ case ARM::AK_IWMMXT2:
+ case ARM::AK_XSCALE:
+ case ARM::AK_ARMV5TEJ:
+ return Triple::ARMSubArch_v5te;
+ case ARM::AK_ARMV6:
+ return Triple::ARMSubArch_v6;
+ case ARM::AK_ARMV6K:
+ case ARM::AK_ARMV6KZ:
+ return Triple::ARMSubArch_v6k;
+ case ARM::AK_ARMV6T2:
+ return Triple::ARMSubArch_v6t2;
+ case ARM::AK_ARMV6M:
+ return Triple::ARMSubArch_v6m;
+ case ARM::AK_ARMV7A:
+ case ARM::AK_ARMV7R:
+ return Triple::ARMSubArch_v7;
+ case ARM::AK_ARMV7K:
+ return Triple::ARMSubArch_v7k;
+ case ARM::AK_ARMV7M:
+ return Triple::ARMSubArch_v7m;
+ case ARM::AK_ARMV7S:
+ return Triple::ARMSubArch_v7s;
+ case ARM::AK_ARMV7EM:
+ return Triple::ARMSubArch_v7em;
+ case ARM::AK_ARMV8A:
+ return Triple::ARMSubArch_v8;
+ case ARM::AK_ARMV8_1A:
+ return Triple::ARMSubArch_v8_1a;
+ case ARM::AK_ARMV8_2A:
+ return Triple::ARMSubArch_v8_2a;
+ default:
+ return Triple::NoSubArch;
+ }
+}
+
+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");
+}
- if (VendorName.startswith("mingw32")) { // 'i386-mingw32', etc.
- Vendor = PC;
- OS = MinGW32;
- return;
+static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
+ switch (T.getArch()) {
+ default:
+ break;
+ case Triple::hexagon:
+ case Triple::mips:
+ case Triple::mipsel:
+ case Triple::mips64:
+ case Triple::mips64el:
+ case Triple::r600:
+ case Triple::amdgcn:
+ case Triple::sparc:
+ case Triple::sparcv9:
+ case Triple::systemz:
+ case Triple::xcore:
+ case Triple::ppc64le:
+ return Triple::ELF;
+
+ case Triple::ppc:
+ case Triple::ppc64:
+ if (T.isOSDarwin())
+ return Triple::MachO;
+ return Triple::ELF;
+
+ case Triple::wasm32:
+ case Triple::wasm64:
+ // Unknown for now, until an object format is specified.
+ return Triple::UnknownObjectFormat;
+ }
+
+ 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(UnknownArch), SubArch(NoSubArch),
+ Vendor(UnknownVendor), OS(UnknownOS), Environment(UnknownEnvironment),
+ ObjectFormat(UnknownObjectFormat) {
+ // Do minimal parsing by hand here.
+ SmallVector<StringRef, 4> Components;
+ StringRef(Data).split(Components, '-', /*MaxSplit*/ 3);
+ if (Components.size() > 0) {
+ Arch = parseArch(Components[0]);
+ SubArch = parseSubArch(Components[0]);
+ if (Components.size() > 1) {
+ Vendor = parseVendor(Components[1]);
+ if (Components.size() > 2) {
+ OS = parseOS(Components[2]);
+ if (Components.size() > 3) {
+ Environment = parseEnvironment(Components[3]);
+ ObjectFormat = parseFormat(Components[3]);
+ }
+ }
}
+ }
+ if (ObjectFormat == 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())),
+ SubArch(parseSubArch(ArchStr.str())),
+ Vendor(parseVendor(VendorStr.str())),
+ OS(parseOS(OSStr.str())),
+ Environment(), ObjectFormat(Triple::UnknownObjectFormat) {
+ ObjectFormat = getDefaultFormat(*this);
+}
- // arm-elf is another example, but we don't currently parse anything about
- // the 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())),
+ SubArch(parseSubArch(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) {
+ bool IsMinGW32 = false;
+ bool IsCygwin = false;
+
+ // 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]);
+ IsCygwin = Components[2].startswith("cygwin");
+ IsMinGW32 = Components[2].startswith("mingw");
+ }
+ 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);
+ IsCygwin = Comp.startswith("cygwin");
+ IsMinGW32 = Comp.startswith("mingw");
+ Valid = OS != UnknownOS || IsCygwin || IsMinGW32;
+ 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;
+ }
}
- 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("lv2"))
- OS = Lv2;
- 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("psp"))
- OS = Psp;
- else if (OSName.startswith("solaris"))
- OS = Solaris;
- else if (OSName.startswith("win32"))
- OS = Win32;
- else if (OSName.startswith("haiku"))
- OS = Haiku;
- else
- OS = UnknownOS;
+ // Special case logic goes here. At this point Arch, Vendor and OS have the
+ // correct values for the computed components.
+ std::string NormalizedEnvironment;
+ if (Environment == Triple::Android && Components[3].startswith("androideabi")) {
+ StringRef AndroidVersion = Components[3].drop_front(strlen("androideabi"));
+ if (AndroidVersion.empty()) {
+ Components[3] = "android";
+ } else {
+ NormalizedEnvironment = Twine("android", AndroidVersion).str();
+ Components[3] = NormalizedEnvironment;
+ }
+ }
- assert(isInitialized() && "Failed to initialize!");
+ 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 (IsMinGW32) {
+ Components.resize(4);
+ Components[2] = "windows";
+ Components[3] = "gnu";
+ } else if (IsCygwin) {
+ Components.resize(4);
+ Components[2] = "windows";
+ Components[3] = "cygnus";
+ }
+ if (IsMinGW32 || IsCygwin ||
+ (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 {
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!");
+static void parseVersionFromName(StringRef Name, unsigned &Major,
+ unsigned &Minor, unsigned &Micro) {
+ // 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 (Name.empty() || Name[0] < '0' || Name[0] > '9')
+ break;
+
+ // Consume the leading number.
+ *Components[i] = EatNumber(Name);
+
+ // Consume the separator, if present.
+ if (Name.startswith("."))
+ Name = Name.substr(1);
+ }
+}
+
+void Triple::getEnvironmentVersion(unsigned &Major, unsigned &Minor,
+ unsigned &Micro) const {
+ StringRef EnvironmentName = getEnvironmentName();
+ StringRef EnvironmentTypeName = getEnvironmentTypeName(getEnvironment());
+ if (EnvironmentName.startswith(EnvironmentTypeName))
+ EnvironmentName = EnvironmentName.substr(EnvironmentTypeName.size());
+
+ parseVersionFromName(EnvironmentName, Major, Minor, Micro);
+}
+
+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());
+
+ parseVersionFromName(OSName, Major, Minor, Micro);
+}
+
+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:
+ case TvOS:
+ case WatchOS:
+ // 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:
+ case TvOS:
+ getOSVersion(Major, Minor, Micro);
+ // Default to 5.0 (or 7.0 for arm64).
+ if (Major == 0)
+ Major = (getArch() == aarch64) ? 7 : 5;
+ break;
+ case WatchOS:
+ llvm_unreachable("conflicting triple info");
+ }
+}
+
+void Triple::getWatchOSVersion(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 = 2;
+ Minor = 0;
+ Micro = 0;
+ break;
+ case WatchOS:
+ getOSVersion(Major, Minor, Micro);
+ if (Major == 0)
+ Major = 2;
+ break;
+ case IOS:
+ llvm_unreachable("conflicting triple info");
+ }
}
void Triple::setTriple(const Twine &Str) {
- Data = Str.str();
- Arch = InvalidArch;
+ *this = Triple(Str);
}
void Triple::setArch(ArchType Kind) {
setOSName(getOSTypeName(Kind));
}
+void Triple::setEnvironment(EnvironmentType Kind) {
+ if (ObjectFormat == getDefaultFormat(*this))
+ return setEnvironmentName(getEnvironmentTypeName(Kind));
+
+ setEnvironmentName((getEnvironmentTypeName(Kind) + Twine("-") +
+ getObjectFormatTypeName(ObjectFormat)).str());
+}
+
+void Triple::setObjectFormat(ObjectFormatType Kind) {
+ if (Environment == UnknownEnvironment)
+ return setEnvironmentName(getObjectFormatTypeName(Kind));
+
+ setEnvironmentName((getEnvironmentTypeName(Environment) + Twine("-") +
+ getObjectFormatTypeName(Kind)).str());
+}
+
void Triple::setArchName(StringRef Str) {
// Work around a miscompilation bug for Twines in gcc 4.0.3.
SmallString<64> Triple;
Triple += getVendorName();
Triple += "-";
Triple += getOSAndEnvironmentName();
- setTriple(Triple.str());
+ setTriple(Triple);
}
void Triple::setVendorName(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::avr:
+ case llvm::Triple::msp430:
+ return 16;
+
+ 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::sparcel:
+ case llvm::Triple::tce:
+ case llvm::Triple::thumb:
+ case llvm::Triple::thumbeb:
+ case llvm::Triple::x86:
+ case llvm::Triple::xcore:
+ case llvm::Triple::amdil:
+ case llvm::Triple::hsail:
+ case llvm::Triple::spir:
+ case llvm::Triple::kalimba:
+ case llvm::Triple::shave:
+ case llvm::Triple::wasm32:
+ return 32;
+
+ case llvm::Triple::aarch64:
+ case llvm::Triple::aarch64_be:
+ case llvm::Triple::amdgcn:
+ case llvm::Triple::bpfel:
+ case llvm::Triple::bpfeb:
+ case llvm::Triple::le64:
+ 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::amdil64:
+ case llvm::Triple::hsail64:
+ case llvm::Triple::spir64:
+ case llvm::Triple::wasm64:
+ 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::amdgcn:
+ case Triple::avr:
+ case Triple::bpfel:
+ case Triple::bpfeb:
+ case Triple::msp430:
+ case Triple::systemz:
+ case Triple::ppc64le:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::amdil:
+ case Triple::hsail:
+ case Triple::spir:
+ case Triple::arm:
+ case Triple::armeb:
+ case Triple::hexagon:
+ case Triple::kalimba:
+ case Triple::le32:
+ case Triple::mips:
+ case Triple::mipsel:
+ case Triple::nvptx:
+ case Triple::ppc:
+ case Triple::r600:
+ case Triple::sparc:
+ case Triple::sparcel:
+ case Triple::tce:
+ case Triple::thumb:
+ case Triple::thumbeb:
+ case Triple::x86:
+ case Triple::xcore:
+ case Triple::shave:
+ case Triple::wasm32:
+ // Already 32-bit.
+ break;
+
+ case Triple::le64: T.setArch(Triple::le32); 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::amdil64: T.setArch(Triple::amdil); break;
+ case Triple::hsail64: T.setArch(Triple::hsail); break;
+ case Triple::spir64: T.setArch(Triple::spir); break;
+ case Triple::wasm64: T.setArch(Triple::wasm32); break;
+ }
+ return T;
+}
+
+Triple Triple::get64BitArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ case Triple::arm:
+ case Triple::armeb:
+ case Triple::avr:
+ case Triple::hexagon:
+ case Triple::kalimba:
+ case Triple::msp430:
+ case Triple::r600:
+ case Triple::tce:
+ case Triple::thumb:
+ case Triple::thumbeb:
+ case Triple::xcore:
+ case Triple::sparcel:
+ case Triple::shave:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::aarch64:
+ case Triple::aarch64_be:
+ case Triple::bpfel:
+ case Triple::bpfeb:
+ case Triple::le64:
+ case Triple::amdil64:
+ case Triple::amdgcn:
+ case Triple::hsail64:
+ 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::wasm64:
+ // Already 64-bit.
+ break;
+
+ case Triple::le32: T.setArch(Triple::le64); 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::amdil: T.setArch(Triple::amdil64); break;
+ case Triple::hsail: T.setArch(Triple::hsail64); break;
+ case Triple::spir: T.setArch(Triple::spir64); break;
+ case Triple::wasm32: T.setArch(Triple::wasm64); break;
+ }
+ return T;
+}
+
+Triple Triple::getBigEndianArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ case Triple::amdgcn:
+ case Triple::amdil64:
+ case Triple::amdil:
+ case Triple::avr:
+ case Triple::hexagon:
+ case Triple::hsail64:
+ case Triple::hsail:
+ case Triple::kalimba:
+ case Triple::le32:
+ case Triple::le64:
+ case Triple::msp430:
+ case Triple::nvptx64:
+ case Triple::nvptx:
+ case Triple::r600:
+ case Triple::shave:
+ case Triple::spir64:
+ case Triple::spir:
+ case Triple::wasm32:
+ case Triple::wasm64:
+ case Triple::x86:
+ case Triple::x86_64:
+ case Triple::xcore:
+
+ // ARM is intentionally unsupported here, changing the architecture would
+ // drop any arch suffixes.
+ case Triple::arm:
+ case Triple::thumb:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::aarch64_be:
+ case Triple::armeb:
+ case Triple::bpfeb:
+ case Triple::mips64:
+ case Triple::mips:
+ case Triple::ppc64:
+ case Triple::ppc:
+ case Triple::sparc:
+ case Triple::sparcv9:
+ case Triple::systemz:
+ case Triple::tce:
+ case Triple::thumbeb:
+ // Already big endian.
+ break;
+
+ case Triple::aarch64: T.setArch(Triple::aarch64_be); break;
+ case Triple::bpfel: T.setArch(Triple::bpfeb); break;
+ case Triple::mips64el:T.setArch(Triple::mips64); break;
+ case Triple::mipsel: T.setArch(Triple::mips); break;
+ case Triple::ppc64le: T.setArch(Triple::ppc64); break;
+ case Triple::sparcel: T.setArch(Triple::sparc); break;
+ }
+ return T;
+}
+
+Triple Triple::getLittleEndianArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ case Triple::ppc:
+ case Triple::sparcv9:
+ case Triple::systemz:
+ case Triple::tce:
+
+ // ARM is intentionally unsupported here, changing the architecture would
+ // drop any arch suffixes.
+ case Triple::armeb:
+ case Triple::thumbeb:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::aarch64:
+ case Triple::amdgcn:
+ case Triple::amdil64:
+ case Triple::amdil:
+ case Triple::arm:
+ case Triple::avr:
+ case Triple::bpfel:
+ case Triple::hexagon:
+ case Triple::hsail64:
+ case Triple::hsail:
+ case Triple::kalimba:
+ case Triple::le32:
+ case Triple::le64:
+ case Triple::mips64el:
+ case Triple::mipsel:
+ case Triple::msp430:
+ case Triple::nvptx64:
+ case Triple::nvptx:
+ case Triple::ppc64le:
+ case Triple::r600:
+ case Triple::shave:
+ case Triple::sparcel:
+ case Triple::spir64:
+ case Triple::spir:
+ case Triple::thumb:
+ case Triple::wasm32:
+ case Triple::wasm64:
+ case Triple::x86:
+ case Triple::x86_64:
+ case Triple::xcore:
+ // Already little endian.
+ break;
+
+ case Triple::aarch64_be: T.setArch(Triple::aarch64); break;
+ case Triple::bpfeb: T.setArch(Triple::bpfel); break;
+ case Triple::mips64: T.setArch(Triple::mips64el); break;
+ case Triple::mips: T.setArch(Triple::mipsel); break;
+ case Triple::ppc64: T.setArch(Triple::ppc64le); break;
+ case Triple::sparc: T.setArch(Triple::sparcel); break;
+ }
+ return T;
+}
+
+StringRef Triple::getARMCPUForArch(StringRef MArch) const {
+ if (MArch.empty())
+ MArch = getArchName();
+ MArch = ARM::getCanonicalArchName(MArch);
+
+ // Some defaults are forced.
+ switch (getOS()) {
+ case llvm::Triple::FreeBSD:
+ case llvm::Triple::NetBSD:
+ if (!MArch.empty() && MArch == "v6")
+ return "arm1176jzf-s";
+ break;
+ case llvm::Triple::Win32:
+ // FIXME: this is invalid for WindowsCE
+ return "cortex-a9";
+ case llvm::Triple::MacOSX:
+ case llvm::Triple::IOS:
+ case llvm::Triple::WatchOS:
+ if (MArch == "v7k")
+ return "cortex-a7";
+ break;
+ default:
+ break;
+ }
+
+ if (MArch.empty())
+ return StringRef();
+
+ StringRef CPU = ARM::getDefaultCPU(MArch);
+ if (!CPU.empty())
+ return CPU;
+
+ // If no specific architecture version is requested, return the minimum CPU
+ // required by the OS and environment.
+ switch (getOS()) {
+ case llvm::Triple::NetBSD:
+ switch (getEnvironment()) {
+ case llvm::Triple::GNUEABIHF:
+ case llvm::Triple::GNUEABI:
+ case llvm::Triple::EABIHF:
+ case llvm::Triple::EABI:
+ return "arm926ej-s";
+ default:
+ return "strongarm";
+ }
+ case llvm::Triple::NaCl:
+ return "cortex-a8";
+ default:
+ switch (getEnvironment()) {
+ case llvm::Triple::EABIHF:
+ case llvm::Triple::GNUEABIHF:
+ return "arm1176jzf-s";
+ default:
+ return "arm7tdmi";
+ }
+ }
+
+ llvm_unreachable("invalid arch name");
+}