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Triple.cpp
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//===--- Triple.cpp - Target triple helper class --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#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 "llvm/Support/Host.h"
#include "llvm/Support/TargetParser.h"
#include <cstring>
using namespace llvm;
StringRef Triple::getArchTypeName(ArchType Kind) {
switch (Kind) {
case UnknownArch: return "unknown";
case aarch64: return "aarch64";
case aarch64_be: return "aarch64_be";
case aarch64_32: return "aarch64_32";
case arm: return "arm";
case armeb: return "armeb";
case arc: return "arc";
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 riscv32: return "riscv32";
case riscv64: return "riscv64";
case sparc: return "sparc";
case sparcv9: return "sparcv9";
case sparcel: return "sparcel";
case systemz: return "s390x";
case tce: return "tce";
case tcele: return "tcele";
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 lanai: return "lanai";
case shave: return "shave";
case wasm32: return "wasm32";
case wasm64: return "wasm64";
case renderscript32: return "renderscript32";
case renderscript64: return "renderscript64";
}
llvm_unreachable("Invalid ArchType!");
}
StringRef Triple::getArchTypePrefix(ArchType Kind) {
switch (Kind) {
default:
return StringRef();
case aarch64:
case aarch64_be:
case aarch64_32: return "aarch64";
case arc: return "arc";
case arm:
case armeb:
case thumb:
case thumbeb: return "arm";
case avr: return "avr";
case ppc64:
case ppc64le:
case ppc: return "ppc";
case mips:
case mipsel:
case mips64:
case mips64el: return "mips";
case hexagon: return "hexagon";
case amdgcn: return "amdgcn";
case r600: return "r600";
case bpfel:
case bpfeb: return "bpf";
case sparcv9:
case sparcel:
case sparc: return "sparc";
case systemz: return "s390";
case x86:
case x86_64: return "x86";
case xcore: return "xcore";
// NVPTX intrinsics are namespaced under nvvm.
case nvptx: return "nvvm";
case nvptx64: return "nvvm";
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 lanai: return "lanai";
case shave: return "shave";
case wasm32:
case wasm64: return "wasm";
case riscv32:
case riscv64: return "riscv";
}
}
StringRef 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 ImaginationTechnologies: return "img";
case MipsTechnologies: return "mti";
case NVIDIA: return "nvidia";
case CSR: return "csr";
case Myriad: return "myriad";
case AMD: return "amd";
case Mesa: return "mesa";
case SUSE: return "suse";
case OpenEmbedded: return "oe";
}
llvm_unreachable("Invalid VendorType!");
}
StringRef Triple::getOSTypeName(OSType Kind) {
switch (Kind) {
case UnknownOS: return "unknown";
case Ananas: return "ananas";
case CloudABI: return "cloudabi";
case Darwin: return "darwin";
case DragonFly: return "dragonfly";
case FreeBSD: return "freebsd";
case Fuchsia: return "fuchsia";
case IOS: return "ios";
case KFreeBSD: return "kfreebsd";
case Linux: return "linux";
case Lv2: return "lv2";
case MacOSX: return "macosx";
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 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";
case Mesa3D: return "mesa3d";
case Contiki: return "contiki";
case AMDPAL: return "amdpal";
case HermitCore: return "hermit";
case Hurd: return "hurd";
case WASI: return "wasi";
case Emscripten: return "emscripten";
}
llvm_unreachable("Invalid OSType");
}
StringRef Triple::getEnvironmentTypeName(EnvironmentType Kind) {
switch (Kind) {
case UnknownEnvironment: return "unknown";
case GNU: return "gnu";
case GNUABIN32: return "gnuabin32";
case GNUABI64: return "gnuabi64";
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 ELFv1: return "elfv1";
case ELFv2: return "elfv2";
case Android: return "android";
case Musl: return "musl";
case MuslEABI: return "musleabi";
case MuslEABIHF: return "musleabihf";
case MSVC: return "msvc";
case Itanium: return "itanium";
case Cygnus: return "cygnus";
case CoreCLR: return "coreclr";
case Simulator: return "simulator";
case MacABI: return "macabi";
}
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) {
Triple::ArchType BPFArch(parseBPFArch(Name));
return StringSwitch<Triple::ArchType>(Name)
.Case("aarch64", aarch64)
.Case("aarch64_be", aarch64_be)
.Case("aarch64_32", aarch64_32)
.Case("arc", arc)
.Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
.Case("arm64_32", aarch64_32)
.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("riscv32", riscv32)
.Case("riscv64", riscv64)
.Case("hexagon", hexagon)
.Case("sparc", sparc)
.Case("sparcel", sparcel)
.Case("sparcv9", sparcv9)
.Case("systemz", systemz)
.Case("tce", tce)
.Case("tcele", tcele)
.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("lanai", lanai)
.Case("shave", shave)
.Case("wasm32", wasm32)
.Case("wasm64", wasm64)
.Case("renderscript32", renderscript32)
.Case("renderscript64", renderscript64)
.Default(UnknownArch);
}
static Triple::ArchType parseARMArch(StringRef ArchName) {
ARM::ISAKind ISA = ARM::parseArchISA(ArchName);
ARM::EndianKind ENDIAN = ARM::parseArchEndian(ArchName);
Triple::ArchType arch = Triple::UnknownArch;
switch (ENDIAN) {
case ARM::EndianKind::LITTLE: {
switch (ISA) {
case ARM::ISAKind::ARM:
arch = Triple::arm;
break;
case ARM::ISAKind::THUMB:
arch = Triple::thumb;
break;
case ARM::ISAKind::AARCH64:
arch = Triple::aarch64;
break;
case ARM::ISAKind::INVALID:
break;
}
break;
}
case ARM::EndianKind::BIG: {
switch (ISA) {
case ARM::ISAKind::ARM:
arch = Triple::armeb;
break;
case ARM::ISAKind::THUMB:
arch = Triple::thumbeb;
break;
case ARM::ISAKind::AARCH64:
arch = Triple::aarch64_be;
break;
case ARM::ISAKind::INVALID:
break;
}
break;
}
case ARM::EndianKind::INVALID: {
break;
}
}
ArchName = ARM::getCanonicalArchName(ArchName);
if (ArchName.empty())
return Triple::UnknownArch;
// Thumb only exists in v4+
if (ISA == ARM::ISAKind::THUMB &&
(ArchName.startswith("v2") || ArchName.startswith("v3")))
return Triple::UnknownArch;
// Thumb only for v6m
ARM::ProfileKind Profile = ARM::parseArchProfile(ArchName);
unsigned Version = ARM::parseArchVersion(ArchName);
if (Profile == ARM::ProfileKind::M && Version == 6) {
if (ENDIAN == ARM::EndianKind::BIG)
return Triple::thumbeb;
else
return Triple::thumb;
}
return arch;
}
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)
.Cases("powerpc", "ppc", "ppc32", Triple::ppc)
.Cases("powerpc64", "ppu", "ppc64", Triple::ppc64)
.Cases("powerpc64le", "ppc64le", Triple::ppc64le)
.Case("xscale", Triple::arm)
.Case("xscaleeb", Triple::armeb)
.Case("aarch64", Triple::aarch64)
.Case("aarch64_be", Triple::aarch64_be)
.Case("aarch64_32", Triple::aarch64_32)
.Case("arc", Triple::arc)
.Case("arm64", Triple::aarch64)
.Case("arm64_32", Triple::aarch64_32)
.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", "mipsisa32r6",
"mipsr6", Triple::mips)
.Cases("mipsel", "mipsallegrexel", "mipsisa32r6el", "mipsr6el",
Triple::mipsel)
.Cases("mips64", "mips64eb", "mipsn32", "mipsisa64r6",
"mips64r6", "mipsn32r6", Triple::mips64)
.Cases("mips64el", "mipsn32el", "mipsisa64r6el", "mips64r6el",
"mipsn32r6el", Triple::mips64el)
.Case("r600", Triple::r600)
.Case("amdgcn", Triple::amdgcn)
.Case("riscv32", Triple::riscv32)
.Case("riscv64", Triple::riscv64)
.Case("hexagon", Triple::hexagon)
.Cases("s390x", "systemz", Triple::systemz)
.Case("sparc", Triple::sparc)
.Case("sparcel", Triple::sparcel)
.Cases("sparcv9", "sparc64", Triple::sparcv9)
.Case("tce", Triple::tce)
.Case("tcele", Triple::tcele)
.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("lanai", Triple::lanai)
.Case("shave", Triple::shave)
.Case("wasm32", Triple::wasm32)
.Case("wasm64", Triple::wasm64)
.Case("renderscript32", Triple::renderscript32)
.Case("renderscript64", Triple::renderscript64)
.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)
.Case("amd", Triple::AMD)
.Case("mesa", Triple::Mesa)
.Case("suse", Triple::SUSE)
.Case("oe", Triple::OpenEmbedded)
.Default(Triple::UnknownVendor);
}
static Triple::OSType parseOS(StringRef OSName) {
return StringSwitch<Triple::OSType>(OSName)
.StartsWith("ananas", Triple::Ananas)
.StartsWith("cloudabi", Triple::CloudABI)
.StartsWith("darwin", Triple::Darwin)
.StartsWith("dragonfly", Triple::DragonFly)
.StartsWith("freebsd", Triple::FreeBSD)
.StartsWith("fuchsia", Triple::Fuchsia)
.StartsWith("ios", Triple::IOS)
.StartsWith("kfreebsd", Triple::KFreeBSD)
.StartsWith("linux", Triple::Linux)
.StartsWith("lv2", Triple::Lv2)
.StartsWith("macos", 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("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)
.StartsWith("mesa3d", Triple::Mesa3D)
.StartsWith("contiki", Triple::Contiki)
.StartsWith("amdpal", Triple::AMDPAL)
.StartsWith("hermit", Triple::HermitCore)
.StartsWith("hurd", Triple::Hurd)
.StartsWith("wasi", Triple::WASI)
.StartsWith("emscripten", Triple::Emscripten)
.Default(Triple::UnknownOS);
}
static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
.StartsWith("eabihf", Triple::EABIHF)
.StartsWith("eabi", Triple::EABI)
.StartsWith("elfv1", Triple::ELFv1)
.StartsWith("elfv2", Triple::ELFv2)
.StartsWith("gnuabin32", Triple::GNUABIN32)
.StartsWith("gnuabi64", Triple::GNUABI64)
.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("musleabihf", Triple::MuslEABIHF)
.StartsWith("musleabi", Triple::MuslEABI)
.StartsWith("musl", Triple::Musl)
.StartsWith("msvc", Triple::MSVC)
.StartsWith("itanium", Triple::Itanium)
.StartsWith("cygnus", Triple::Cygnus)
.StartsWith("coreclr", Triple::CoreCLR)
.StartsWith("simulator", Triple::Simulator)
.StartsWith("macabi", Triple::MacABI)
.Default(Triple::UnknownEnvironment);
}
static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) {
return StringSwitch<Triple::ObjectFormatType>(EnvironmentName)
// "xcoff" must come before "coff" because of the order-dependendent
// pattern matching.
.EndsWith("xcoff", Triple::XCOFF)
.EndsWith("coff", Triple::COFF)
.EndsWith("elf", Triple::ELF)
.EndsWith("macho", Triple::MachO)
.EndsWith("wasm", Triple::Wasm)
.Default(Triple::UnknownObjectFormat);
}
static Triple::SubArchType parseSubArch(StringRef SubArchName) {
if (SubArchName.startswith("mips") &&
(SubArchName.endswith("r6el") || SubArchName.endswith("r6")))
return Triple::MipsSubArch_r6;
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::ArchKind::ARMV4:
return Triple::NoSubArch;
case ARM::ArchKind::ARMV4T:
return Triple::ARMSubArch_v4t;
case ARM::ArchKind::ARMV5T:
return Triple::ARMSubArch_v5;
case ARM::ArchKind::ARMV5TE:
case ARM::ArchKind::IWMMXT:
case ARM::ArchKind::IWMMXT2:
case ARM::ArchKind::XSCALE:
case ARM::ArchKind::ARMV5TEJ:
return Triple::ARMSubArch_v5te;
case ARM::ArchKind::ARMV6:
return Triple::ARMSubArch_v6;
case ARM::ArchKind::ARMV6K:
case ARM::ArchKind::ARMV6KZ:
return Triple::ARMSubArch_v6k;
case ARM::ArchKind::ARMV6T2:
return Triple::ARMSubArch_v6t2;
case ARM::ArchKind::ARMV6M:
return Triple::ARMSubArch_v6m;
case ARM::ArchKind::ARMV7A:
case ARM::ArchKind::ARMV7R:
return Triple::ARMSubArch_v7;
case ARM::ArchKind::ARMV7VE:
return Triple::ARMSubArch_v7ve;
case ARM::ArchKind::ARMV7K:
return Triple::ARMSubArch_v7k;
case ARM::ArchKind::ARMV7M:
return Triple::ARMSubArch_v7m;
case ARM::ArchKind::ARMV7S:
return Triple::ARMSubArch_v7s;
case ARM::ArchKind::ARMV7EM:
return Triple::ARMSubArch_v7em;
case ARM::ArchKind::ARMV8A:
return Triple::ARMSubArch_v8;
case ARM::ArchKind::ARMV8_1A:
return Triple::ARMSubArch_v8_1a;
case ARM::ArchKind::ARMV8_2A:
return Triple::ARMSubArch_v8_2a;
case ARM::ArchKind::ARMV8_3A:
return Triple::ARMSubArch_v8_3a;
case ARM::ArchKind::ARMV8_4A:
return Triple::ARMSubArch_v8_4a;
case ARM::ArchKind::ARMV8_5A:
return Triple::ARMSubArch_v8_5a;
case ARM::ArchKind::ARMV8R:
return Triple::ARMSubArch_v8r;
case ARM::ArchKind::ARMV8MBaseline:
return Triple::ARMSubArch_v8m_baseline;
case ARM::ArchKind::ARMV8MMainline:
return Triple::ARMSubArch_v8m_mainline;
case ARM::ArchKind::ARMV8_1MMainline:
return Triple::ARMSubArch_v8_1m_mainline;
default:
return Triple::NoSubArch;
}
}
static StringRef 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";
case Triple::Wasm: return "wasm";
case Triple::XCOFF: return "xcoff";
}
llvm_unreachable("unknown object format type");
}
static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
switch (T.getArch()) {
case Triple::UnknownArch:
case Triple::aarch64:
case Triple::aarch64_32:
case Triple::arm:
case Triple::thumb:
case Triple::x86:
case Triple::x86_64:
if (T.isOSDarwin())
return Triple::MachO;
else if (T.isOSWindows())
return Triple::COFF;
return Triple::ELF;
case Triple::aarch64_be:
case Triple::arc:
case Triple::amdgcn:
case Triple::amdil:
case Triple::amdil64:
case Triple::armeb:
case Triple::avr:
case Triple::bpfeb:
case Triple::bpfel:
case Triple::hexagon:
case Triple::lanai:
case Triple::hsail:
case Triple::hsail64:
case Triple::kalimba:
case Triple::le32:
case Triple::le64:
case Triple::mips:
case Triple::mips64:
case Triple::mips64el:
case Triple::mipsel:
case Triple::msp430:
case Triple::nvptx:
case Triple::nvptx64:
case Triple::ppc64le:
case Triple::r600:
case Triple::renderscript32:
case Triple::renderscript64:
case Triple::riscv32:
case Triple::riscv64:
case Triple::shave:
case Triple::sparc:
case Triple::sparcel:
case Triple::sparcv9:
case Triple::spir:
case Triple::spir64:
case Triple::systemz:
case Triple::tce:
case Triple::tcele:
case Triple::thumbeb:
case Triple::xcore:
return Triple::ELF;
case Triple::ppc:
case Triple::ppc64:
if (T.isOSDarwin())
return Triple::MachO;
else if (T.isOSAIX())
return Triple::XCOFF;
return Triple::ELF;
case Triple::wasm32:
case Triple::wasm64:
return Triple::Wasm;
}
llvm_unreachable("unknown architecture");
}
/// 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]);
}
}
} else {
Environment =
StringSwitch<Triple::EnvironmentType>(Components[0])
.StartsWith("mipsn32", Triple::GNUABIN32)
.StartsWith("mips64", Triple::GNUABI64)
.StartsWith("mipsisa64", Triple::GNUABI64)
.StartsWith("mipsisa32", Triple::GNU)
.Cases("mips", "mipsel", "mipsr6", "mipsr6el", Triple::GNU)
.Default(UnknownEnvironment);
}
}
if (ObjectFormat == UnknownObjectFormat)
ObjectFormat = getDefaultFormat(*this);
}
/// 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);
}
/// 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;
}
}
// Replace empty components with "unknown" value.
for (unsigned i = 0, e = Components.size(); i < e; ++i) {
if (Components[i].empty())
Components[i] = "unknown";
}
// 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;
}
}
// SUSE uses "gnueabi" to mean "gnueabihf"
if (Vendor == Triple::SUSE && Environment == llvm::Triple::GNUEABI)
Components[3] = "gnueabihf";
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 {
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