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llvm / llvm-project / 2ed7baafc3bf5b4321e3f77dfb1ce291e62bcadc / . / llvm / lib / TargetParser / 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/TargetParser/Triple.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/SwapByteOrder.h"
#include "llvm/Support/VersionTuple.h"
#include "llvm/TargetParser/ARMTargetParser.h"
#include "llvm/TargetParser/ARMTargetParserCommon.h"
#include "llvm/TargetParser/Host.h"
#include <cassert>
#include <cstring>
using namespace llvm;
StringRef Triple::getArchTypeName(ArchType Kind) {
switch (Kind) {
case UnknownArch: return "unknown";
case aarch64: return "aarch64";
case aarch64_32: return "aarch64_32";
case aarch64_be: return "aarch64_be";
case amdgcn: return "amdgcn";
case amdil64: return "amdil64";
case amdil: return "amdil";
case arc: return "arc";
case arm: return "arm";
case armeb: return "armeb";
case avr: return "avr";
case bpfeb: return "bpfeb";
case bpfel: return "bpfel";
case csky: return "csky";
case dxil: return "dxil";
case hexagon: return "hexagon";
case hsail64: return "hsail64";
case hsail: return "hsail";
case kalimba: return "kalimba";
case lanai: return "lanai";
case loongarch32: return "loongarch32";
case loongarch64: return "loongarch64";
case m68k: return "m68k";
case mips64: return "mips64";
case mips64el: return "mips64el";
case mips: return "mips";
case mipsel: return "mipsel";
case msp430: return "msp430";
case nvptx64: return "nvptx64";
case nvptx: return "nvptx";
case ppc64: return "powerpc64";
case ppc64le: return "powerpc64le";
case ppc: return "powerpc";
case ppcle: return "powerpcle";
case r600: return "r600";
case renderscript32: return "renderscript32";
case renderscript64: return "renderscript64";
case riscv32: return "riscv32";
case riscv64: return "riscv64";
case riscv32be:
return "riscv32be";
case riscv64be:
return "riscv64be";
case shave: return "shave";
case sparc: return "sparc";
case sparcel: return "sparcel";
case sparcv9: return "sparcv9";
case spir64: return "spir64";
case spir: return "spir";
case spirv: return "spirv";
case spirv32: return "spirv32";
case spirv64: return "spirv64";
case systemz: return "s390x";
case tce: return "tce";
case tcele: return "tcele";
case thumb: return "thumb";
case thumbeb: return "thumbeb";
case ve: return "ve";
case wasm32: return "wasm32";
case wasm64: return "wasm64";
case x86: return "i386";
case x86_64: return "x86_64";
case xcore: return "xcore";
case xtensa: return "xtensa";
}
llvm_unreachable("Invalid ArchType!");
}
StringRef Triple::getArchName(ArchType Kind, SubArchType SubArch) {
switch (Kind) {
case Triple::mips:
if (SubArch == MipsSubArch_r6)
return "mipsisa32r6";
break;
case Triple::mipsel:
if (SubArch == MipsSubArch_r6)
return "mipsisa32r6el";
break;
case Triple::mips64:
if (SubArch == MipsSubArch_r6)
return "mipsisa64r6";
break;
case Triple::mips64el:
if (SubArch == MipsSubArch_r6)
return "mipsisa64r6el";
break;
case Triple::aarch64:
if (SubArch == AArch64SubArch_arm64ec)
return "arm64ec";
if (SubArch == AArch64SubArch_arm64e)
return "arm64e";
break;
case Triple::spirv:
switch (SubArch) {
case Triple::SPIRVSubArch_v10:
return "spirv1.0";
case Triple::SPIRVSubArch_v11:
return "spirv1.1";
case Triple::SPIRVSubArch_v12:
return "spirv1.2";
case Triple::SPIRVSubArch_v13:
return "spirv1.3";
case Triple::SPIRVSubArch_v14:
return "spirv1.4";
case Triple::SPIRVSubArch_v15:
return "spirv1.5";
case Triple::SPIRVSubArch_v16:
return "spirv1.6";
default:
break;
}
break;
case Triple::dxil:
switch (SubArch) {
case Triple::NoSubArch:
case Triple::DXILSubArch_v1_0:
return "dxilv1.0";
case Triple::DXILSubArch_v1_1:
return "dxilv1.1";
case Triple::DXILSubArch_v1_2:
return "dxilv1.2";
case Triple::DXILSubArch_v1_3:
return "dxilv1.3";
case Triple::DXILSubArch_v1_4:
return "dxilv1.4";
case Triple::DXILSubArch_v1_5:
return "dxilv1.5";
case Triple::DXILSubArch_v1_6:
return "dxilv1.6";
case Triple::DXILSubArch_v1_7:
return "dxilv1.7";
case Triple::DXILSubArch_v1_8:
return "dxilv1.8";
case Triple::DXILSubArch_v1_9:
return "dxilv1.9";
default:
break;
}
break;
default:
break;
}
return getArchTypeName(Kind);
}
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:
case ppcle: return "ppc";
case m68k: return "m68k";
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 amdil:
case amdil64: return "amdil";
case hsail:
case hsail64: return "hsail";
case spir:
case spir64: return "spir";
case spirv:
case spirv32:
case spirv64: return "spv";
case kalimba: return "kalimba";
case lanai: return "lanai";
case shave: return "shave";
case wasm32:
case wasm64: return "wasm";
case riscv32:
case riscv64:
case riscv32be:
case riscv64be:
return "riscv";
case ve: return "ve";
case csky: return "csky";
case loongarch32:
case loongarch64: return "loongarch";
case dxil: return "dx";
case xtensa: return "xtensa";
}
}
StringRef Triple::getVendorTypeName(VendorType Kind) {
switch (Kind) {
case UnknownVendor: return "unknown";
case AMD: return "amd";
case Apple: return "apple";
case CSR: return "csr";
case Freescale: return "fsl";
case IBM: return "ibm";
case ImaginationTechnologies: return "img";
case Intel:
return "intel";
case Mesa: return "mesa";
case MipsTechnologies: return "mti";
case NVIDIA: return "nvidia";
case OpenEmbedded: return "oe";
case PC: return "pc";
case SCEI: return "scei";
case SUSE: return "suse";
case Meta:
return "meta";
}
llvm_unreachable("Invalid VendorType!");
}
StringRef Triple::getOSTypeName(OSType Kind) {
switch (Kind) {
case UnknownOS: return "unknown";
case AIX: return "aix";
case AMDHSA: return "amdhsa";
case AMDPAL: return "amdpal";
case BridgeOS: return "bridgeos";
case CUDA: return "cuda";
case Darwin: return "darwin";
case DragonFly: return "dragonfly";
case DriverKit: return "driverkit";
case ELFIAMCU: return "elfiamcu";
case Emscripten: return "emscripten";
case FreeBSD: return "freebsd";
case Fuchsia: return "fuchsia";
case Haiku: return "haiku";
case HermitCore: return "hermit";
case Hurd: return "hurd";
case IOS: return "ios";
case KFreeBSD: return "kfreebsd";
case Linux: return "linux";
case Lv2: return "lv2";
case MacOSX: return "macosx";
case Managarm:
return "managarm";
case Mesa3D: return "mesa3d";
case NVCL: return "nvcl";
case NetBSD: return "netbsd";
case OpenBSD: return "openbsd";
case PS4: return "ps4";
case PS5: return "ps5";
case RTEMS: return "rtems";
case Solaris: return "solaris";
case Serenity: return "serenity";
case TvOS: return "tvos";
case UEFI: return "uefi";
case WASI: return "wasi";
case WatchOS: return "watchos";
case Win32: return "windows";
case ZOS: return "zos";
case ShaderModel: return "shadermodel";
case LiteOS: return "liteos";
case XROS: return "xros";
case Vulkan: return "vulkan";
case CheriotRTOS:
return "cheriotrtos";
}
llvm_unreachable("Invalid OSType");
}
StringRef Triple::getEnvironmentTypeName(EnvironmentType Kind) {
switch (Kind) {
case UnknownEnvironment: return "unknown";
case Android: return "android";
case CODE16: return "code16";
case CoreCLR: return "coreclr";
case Cygnus: return "cygnus";
case EABI: return "eabi";
case EABIHF: return "eabihf";
case GNU: return "gnu";
case GNUT64: return "gnut64";
case GNUABI64: return "gnuabi64";
case GNUABIN32: return "gnuabin32";
case GNUEABI: return "gnueabi";
case GNUEABIT64: return "gnueabit64";
case GNUEABIHF: return "gnueabihf";
case GNUEABIHFT64: return "gnueabihft64";
case GNUF32: return "gnuf32";
case GNUF64: return "gnuf64";
case GNUSF: return "gnusf";
case GNUX32: return "gnux32";
case GNUILP32: return "gnu_ilp32";
case Itanium: return "itanium";
case MSVC: return "msvc";
case MacABI: return "macabi";
case Musl: return "musl";
case MuslABIN32:
return "muslabin32";
case MuslABI64:
return "muslabi64";
case MuslEABI: return "musleabi";
case MuslEABIHF: return "musleabihf";
case MuslF32:
return "muslf32";
case MuslSF:
return "muslsf";
case MuslX32: return "muslx32";
case MuslWALI:
return "muslwali";
case Simulator: return "simulator";
case Pixel: return "pixel";
case Vertex: return "vertex";
case Geometry: return "geometry";
case Hull: return "hull";
case Domain: return "domain";
case Compute: return "compute";
case Library: return "library";
case RayGeneration: return "raygeneration";
case Intersection: return "intersection";
case AnyHit: return "anyhit";
case ClosestHit: return "closesthit";
case Miss: return "miss";
case Callable: return "callable";
case Mesh: return "mesh";
case Amplification: return "amplification";
case RootSignature:
return "rootsignature";
case OpenCL:
return "opencl";
case OpenHOS: return "ohos";
case PAuthTest:
return "pauthtest";
case MTIA:
return "mtia";
case LLVM:
return "llvm";
case Mlibc:
return "mlibc";
}
llvm_unreachable("Invalid EnvironmentType!");
}
StringRef Triple::getObjectFormatTypeName(ObjectFormatType Kind) {
switch (Kind) {
case UnknownObjectFormat: return "";
case COFF: return "coff";
case ELF: return "elf";
case GOFF: return "goff";
case MachO: return "macho";
case Wasm: return "wasm";
case XCOFF: return "xcoff";
case DXContainer: return "dxcontainer";
case SPIRV: return "spirv";
}
llvm_unreachable("unknown object format type");
}
static Triple::ArchType parseBPFArch(StringRef ArchName) {
if (ArchName == "bpf") {
if (sys::IsLittleEndianHost)
return Triple::bpfel;
else
return Triple::bpfeb;
} else if (ArchName == "bpf_be" || ArchName == "bpfeb") {
return Triple::bpfeb;
} else if (ArchName == "bpf_le" || ArchName == "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("m68k", m68k)
.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("ppc32le", ppcle)
.Case("ppcle", ppcle)
.Case("ppc64le", ppc64le)
.Case("r600", r600)
.Case("amdgcn", amdgcn)
.Case("riscv32", riscv32)
.Case("riscv64", riscv64)
.Case("riscv32be", riscv32be)
.Case("riscv64be", riscv64be)
.Case("hexagon", hexagon)
.Case("sparc", sparc)
.Case("sparcel", sparcel)
.Case("sparcv9", sparcv9)
.Case("s390x", systemz)
.Case("systemz", systemz)
.Case("tce", tce)
.Case("tcele", tcele)
.Case("thumb", thumb)
.Case("thumbeb", thumbeb)
.Case("x86", x86)
.Case("i386", x86)
.Case("x86-64", x86_64)
.Case("xcore", xcore)
.Case("nvptx", nvptx)
.Case("nvptx64", nvptx64)
.Case("amdil", amdil)
.Case("amdil64", amdil64)
.Case("hsail", hsail)
.Case("hsail64", hsail64)
.Case("spir", spir)
.Case("spir64", spir64)
.Case("spirv", spirv)
.Case("spirv32", spirv32)
.Case("spirv64", spirv64)
.Case("kalimba", kalimba)
.Case("lanai", lanai)
.Case("shave", shave)
.Case("wasm32", wasm32)
.Case("wasm64", wasm64)
.Case("renderscript32", renderscript32)
.Case("renderscript64", renderscript64)
.Case("ve", ve)
.Case("csky", csky)
.Case("loongarch32", loongarch32)
.Case("loongarch64", loongarch64)
.Case("dxil", dxil)
.Case("xtensa", xtensa)
.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.starts_with("v2") || ArchName.starts_with("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", "powerpcspe", "ppc", "ppc32"}, Triple::ppc)
.Cases({"powerpcle", "ppcle", "ppc32le"}, Triple::ppcle)
.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("arm64e", Triple::aarch64)
.Case("arm64ec", Triple::aarch64)
.Case("arm", Triple::arm)
.Case("armeb", Triple::armeb)
.Case("thumb", Triple::thumb)
.Case("thumbeb", Triple::thumbeb)
.Case("avr", Triple::avr)
.Case("m68k", Triple::m68k)
.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("riscv32be", Triple::riscv32be)
.Case("riscv64be", Triple::riscv64be)
.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("amdil", Triple::amdil)
.Case("amdil64", Triple::amdil64)
.Case("hsail", Triple::hsail)
.Case("hsail64", Triple::hsail64)
.Case("spir", Triple::spir)
.Case("spir64", Triple::spir64)
.Cases({"spirv", "spirv1.5", "spirv1.6"}, Triple::spirv)
.Cases({"spirv32", "spirv32v1.0", "spirv32v1.1", "spirv32v1.2",
"spirv32v1.3", "spirv32v1.4", "spirv32v1.5", "spirv32v1.6"},
Triple::spirv32)
.Cases({"spirv64", "spirv64v1.0", "spirv64v1.1", "spirv64v1.2",
"spirv64v1.3", "spirv64v1.4", "spirv64v1.5", "spirv64v1.6"},
Triple::spirv64)
.StartsWith("kalimba", Triple::kalimba)
.Case("lanai", Triple::lanai)
.Case("renderscript32", Triple::renderscript32)
.Case("renderscript64", Triple::renderscript64)
.Case("shave", Triple::shave)
.Case("ve", Triple::ve)
.Case("wasm32", Triple::wasm32)
.Case("wasm64", Triple::wasm64)
.Case("csky", Triple::csky)
.Case("loongarch32", Triple::loongarch32)
.Case("loongarch64", Triple::loongarch64)
.Cases({"dxil", "dxilv1.0", "dxilv1.1", "dxilv1.2", "dxilv1.3",
"dxilv1.4", "dxilv1.5", "dxilv1.6", "dxilv1.7", "dxilv1.8",
"dxilv1.9"},
Triple::dxil)
.Case("xtensa", Triple::xtensa)
.Default(Triple::UnknownArch);
// Some architectures require special parsing logic just to compute the
// ArchType result.
if (AT == Triple::UnknownArch) {
if (ArchName.starts_with("arm") || ArchName.starts_with("thumb") ||
ArchName.starts_with("aarch64"))
return parseARMArch(ArchName);
if (ArchName.starts_with("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("sie", Triple::SCEI)
.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("amd", Triple::AMD)
.Case("mesa", Triple::Mesa)
.Case("suse", Triple::SUSE)
.Case("oe", Triple::OpenEmbedded)
.Case("intel", Triple::Intel)
.Case("meta", Triple::Meta)
.Default(Triple::UnknownVendor);
}
static Triple::OSType parseOS(StringRef OSName) {
return StringSwitch<Triple::OSType>(OSName)
.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("managarm", Triple::Managarm)
.StartsWith("netbsd", Triple::NetBSD)
.StartsWith("openbsd", Triple::OpenBSD)
.StartsWith("solaris", Triple::Solaris)
.StartsWith("uefi", Triple::UEFI)
.StartsWith("win32", Triple::Win32)
.StartsWith("windows", Triple::Win32)
.StartsWith("zos", Triple::ZOS)
.StartsWith("haiku", Triple::Haiku)
.StartsWith("rtems", Triple::RTEMS)
.StartsWith("aix", Triple::AIX)
.StartsWith("cuda", Triple::CUDA)
.StartsWith("nvcl", Triple::NVCL)
.StartsWith("amdhsa", Triple::AMDHSA)
.StartsWith("ps4", Triple::PS4)
.StartsWith("ps5", Triple::PS5)
.StartsWith("elfiamcu", Triple::ELFIAMCU)
.StartsWith("tvos", Triple::TvOS)
.StartsWith("watchos", Triple::WatchOS)
.StartsWith("bridgeos", Triple::BridgeOS)
.StartsWith("driverkit", Triple::DriverKit)
.StartsWith("xros", Triple::XROS)
.StartsWith("visionos", Triple::XROS)
.StartsWith("mesa3d", Triple::Mesa3D)
.StartsWith("amdpal", Triple::AMDPAL)
.StartsWith("hermit", Triple::HermitCore)
.StartsWith("hurd", Triple::Hurd)
.StartsWith("wasi", Triple::WASI)
.StartsWith("emscripten", Triple::Emscripten)
.StartsWith("shadermodel", Triple::ShaderModel)
.StartsWith("liteos", Triple::LiteOS)
.StartsWith("serenity", Triple::Serenity)
.StartsWith("vulkan", Triple::Vulkan)
.StartsWith("cheriotrtos", Triple::CheriotRTOS)
.Default(Triple::UnknownOS);
}
static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
.StartsWith("eabihf", Triple::EABIHF)
.StartsWith("eabi", Triple::EABI)
.StartsWith("gnuabin32", Triple::GNUABIN32)
.StartsWith("gnuabi64", Triple::GNUABI64)
.StartsWith("gnueabihft64", Triple::GNUEABIHFT64)
.StartsWith("gnueabihf", Triple::GNUEABIHF)
.StartsWith("gnueabit64", Triple::GNUEABIT64)
.StartsWith("gnueabi", Triple::GNUEABI)
.StartsWith("gnuf32", Triple::GNUF32)
.StartsWith("gnuf64", Triple::GNUF64)
.StartsWith("gnusf", Triple::GNUSF)
.StartsWith("gnux32", Triple::GNUX32)
.StartsWith("gnu_ilp32", Triple::GNUILP32)
.StartsWith("code16", Triple::CODE16)
.StartsWith("gnut64", Triple::GNUT64)
.StartsWith("gnu", Triple::GNU)
.StartsWith("android", Triple::Android)
.StartsWith("muslabin32", Triple::MuslABIN32)
.StartsWith("muslabi64", Triple::MuslABI64)
.StartsWith("musleabihf", Triple::MuslEABIHF)
.StartsWith("musleabi", Triple::MuslEABI)
.StartsWith("muslf32", Triple::MuslF32)
.StartsWith("muslsf", Triple::MuslSF)
.StartsWith("muslx32", Triple::MuslX32)
.StartsWith("muslwali", Triple::MuslWALI)
.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)
.StartsWith("pixel", Triple::Pixel)
.StartsWith("vertex", Triple::Vertex)
.StartsWith("geometry", Triple::Geometry)
.StartsWith("hull", Triple::Hull)
.StartsWith("domain", Triple::Domain)
.StartsWith("compute", Triple::Compute)
.StartsWith("library", Triple::Library)
.StartsWith("raygeneration", Triple::RayGeneration)
.StartsWith("intersection", Triple::Intersection)
.StartsWith("anyhit", Triple::AnyHit)
.StartsWith("closesthit", Triple::ClosestHit)
.StartsWith("miss", Triple::Miss)
.StartsWith("callable", Triple::Callable)
.StartsWith("mesh", Triple::Mesh)
.StartsWith("amplification", Triple::Amplification)
.StartsWith("rootsignature", Triple::RootSignature)
.StartsWith("opencl", Triple::OpenCL)
.StartsWith("ohos", Triple::OpenHOS)
.StartsWith("pauthtest", Triple::PAuthTest)
.StartsWith("llvm", Triple::LLVM)
.StartsWith("mlibc", Triple::Mlibc)
.StartsWith("mtia", Triple::MTIA)
.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("goff", Triple::GOFF)
.EndsWith("macho", Triple::MachO)
.EndsWith("wasm", Triple::Wasm)
.EndsWith("spirv", Triple::SPIRV)
.Default(Triple::UnknownObjectFormat);
}
static Triple::SubArchType parseSubArch(StringRef SubArchName) {
if (SubArchName.starts_with("mips") &&
(SubArchName.ends_with("r6el") || SubArchName.ends_with("r6")))
return Triple::MipsSubArch_r6;
if (SubArchName == "powerpcspe")
return Triple::PPCSubArch_spe;
if (SubArchName == "arm64e")
return Triple::AArch64SubArch_arm64e;
if (SubArchName == "arm64ec")
return Triple::AArch64SubArch_arm64ec;
if (SubArchName.starts_with("spirv"))
return StringSwitch<Triple::SubArchType>(SubArchName)
.EndsWith("v1.0", Triple::SPIRVSubArch_v10)
.EndsWith("v1.1", Triple::SPIRVSubArch_v11)
.EndsWith("v1.2", Triple::SPIRVSubArch_v12)
.EndsWith("v1.3", Triple::SPIRVSubArch_v13)
.EndsWith("v1.4", Triple::SPIRVSubArch_v14)
.EndsWith("v1.5", Triple::SPIRVSubArch_v15)
.EndsWith("v1.6", Triple::SPIRVSubArch_v16)
.Default(Triple::NoSubArch);
if (SubArchName.starts_with("dxil"))
return StringSwitch<Triple::SubArchType>(SubArchName)
.EndsWith("v1.0", Triple::DXILSubArch_v1_0)
.EndsWith("v1.1", Triple::DXILSubArch_v1_1)
.EndsWith("v1.2", Triple::DXILSubArch_v1_2)
.EndsWith("v1.3", Triple::DXILSubArch_v1_3)
.EndsWith("v1.4", Triple::DXILSubArch_v1_4)
.EndsWith("v1.5", Triple::DXILSubArch_v1_5)
.EndsWith("v1.6", Triple::DXILSubArch_v1_6)
.EndsWith("v1.7", Triple::DXILSubArch_v1_7)
.EndsWith("v1.8", Triple::DXILSubArch_v1_8)
.EndsWith("v1.9", Triple::DXILSubArch_v1_9)
.Default(Triple::NoSubArch);
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::ARMV8_6A:
return Triple::ARMSubArch_v8_6a;
case ARM::ArchKind::ARMV8_7A:
return Triple::ARMSubArch_v8_7a;
case ARM::ArchKind::ARMV8_8A:
return Triple::ARMSubArch_v8_8a;
case ARM::ArchKind::ARMV8_9A:
return Triple::ARMSubArch_v8_9a;
case ARM::ArchKind::ARMV9A:
return Triple::ARMSubArch_v9;
case ARM::ArchKind::ARMV9_1A:
return Triple::ARMSubArch_v9_1a;
case ARM::ArchKind::ARMV9_2A:
return Triple::ARMSubArch_v9_2a;
case ARM::ArchKind::ARMV9_3A:
return Triple::ARMSubArch_v9_3a;
case ARM::ArchKind::ARMV9_4A:
return Triple::ARMSubArch_v9_4a;
case ARM::ArchKind::ARMV9_5A:
return Triple::ARMSubArch_v9_5a;
case ARM::ArchKind::ARMV9_6A:
return Triple::ARMSubArch_v9_6a;
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 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:
switch (T.getOS()) {
case Triple::Win32:
case Triple::UEFI:
return Triple::COFF;
default:
return T.isOSDarwin() ? Triple::MachO : Triple::ELF;
}
case Triple::aarch64_be:
case Triple::amdgcn:
case Triple::amdil64:
case Triple::amdil:
case Triple::arc:
case Triple::armeb:
case Triple::avr:
case Triple::bpfeb:
case Triple::bpfel:
case Triple::csky:
case Triple::hexagon:
case Triple::hsail64:
case Triple::hsail:
case Triple::kalimba:
case Triple::lanai:
case Triple::loongarch32:
case Triple::loongarch64:
case Triple::m68k:
case Triple::mips64:
case Triple::mips64el:
case Triple::mips:
case Triple::msp430:
case Triple::nvptx64:
case Triple::nvptx:
case Triple::ppc64le:
case Triple::ppcle:
case Triple::r600:
case Triple::renderscript32:
case Triple::renderscript64:
case Triple::riscv32:
case Triple::riscv64:
case Triple::riscv32be:
case Triple::riscv64be:
case Triple::shave:
case Triple::sparc:
case Triple::sparcel:
case Triple::sparcv9:
case Triple::spir64:
case Triple::spir:
case Triple::tce:
case Triple::tcele:
case Triple::thumbeb:
case Triple::ve:
case Triple::xcore:
case Triple::xtensa:
return Triple::ELF;
case Triple::mipsel:
if (T.isOSWindows())
return Triple::COFF;
return Triple::ELF;
case Triple::ppc64:
case Triple::ppc:
if (T.isOSAIX())
return Triple::XCOFF;
if (T.isOSDarwin())
return Triple::MachO;
return Triple::ELF;
case Triple::systemz:
if (T.isOSzOS())
return Triple::GOFF;
return Triple::ELF;
case Triple::wasm32:
case Triple::wasm64:
return Triple::Wasm;
case Triple::spirv:
case Triple::spirv32:
case Triple::spirv64:
return Triple::SPIRV;
case Triple::dxil:
return Triple::DXContainer;
}
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(std::string &&Str) : Data(std::move(Str)) {
// 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);
}
Triple::Triple(const Twine &Str) : Triple(Str.str()) {}
/// 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);
}
static VersionTuple parseVersionFromName(StringRef Name);
static StringRef getDXILArchNameFromShaderModel(StringRef ShaderModelStr) {
VersionTuple Ver =
parseVersionFromName(ShaderModelStr.drop_front(strlen("shadermodel")));
// Default DXIL minor version when Shader Model version is anything other
// than 6.[0...9] or 6.x (which translates to latest current SM version)
const unsigned SMMajor = 6;
if (!Ver.empty()) {
if (Ver.getMajor() == SMMajor) {
if (std::optional<unsigned> SMMinor = Ver.getMinor()) {
switch (*SMMinor) {
case 0:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_0);
case 1:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_1);
case 2:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_2);
case 3:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_3);
case 4:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_4);
case 5:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_5);
case 6:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_6);
case 7:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_7);
case 8:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_8);
case 9:
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_9);
default:
report_fatal_error("Unsupported Shader Model version", false);
}
}
}
} else {
// Special case: DXIL minor version is set to LatestCurrentDXILMinor for
// shadermodel6.x is
if (ShaderModelStr == "shadermodel6.x") {
return Triple::getArchName(Triple::dxil, Triple::LatestDXILSubArch);
}
}
// DXIL version corresponding to Shader Model version other than 6.Minor
// is 1.0
return Triple::getArchName(Triple::dxil, Triple::DXILSubArch_v1_0);
}
std::string Triple::normalize(StringRef Str, CanonicalForm Form) {
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].starts_with("cygwin") ||
Components[2].starts_with("msys");
IsMinGW32 = Components[2].starts_with("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 != std::size(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 < std::size(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.starts_with("cygwin") || Comp.starts_with("msys");
IsMinGW32 = Comp.starts_with("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 < std::size(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 < std::size(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 < std::size(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 "none" is in the middle component in a three-component triple, treat it
// as the OS (Components[2]) instead of the vendor (Components[1]).
if (Found[0] && !Found[1] && !Found[2] && Found[3] &&
Components[1] == "none" && Components[2].empty())
std::swap(Components[1], Components[2]);
// Replace empty components with "unknown" value.
for (StringRef &C : Components)
if (C.empty())
C = "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].starts_with("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);
}
}
// Normalize DXIL triple if it does not include DXIL version number.
// Determine DXIL version number using the minor version number of Shader
// Model version specified in target triple, if any. Prior to decoupling DXIL
// version numbering from that of Shader Model DXIL version 1.Y corresponds to
// SM 6.Y. E.g., dxilv1.Y-unknown-shadermodelX.Y-hull
if (Components[0] == "dxil") {
if (Components.size() > 4) {
Components.resize(4);
}
// Add DXIL version only if shadermodel is specified in the triple
if (OS == Triple::ShaderModel) {
Components[0] = getDXILArchNameFromShaderModel(Components[2]);
}
}
// Canonicalize the components if necessary.
switch (Form) {
case CanonicalForm::ANY:
break;
case CanonicalForm::THREE_IDENT:
case CanonicalForm::FOUR_IDENT:
case CanonicalForm::FIVE_IDENT: {
Components.resize(static_cast<unsigned>(Form), "unknown");
break;
}
}
// Stick the corrected components back together to form the normalized string.
return join(Components, "-");
}
StringRef Triple::getArchName() const {
return StringRef(Data).split('-').first; // Isolate first component
}
StringRef Triple::getVendorName() const {
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
return Tmp.split('-').first; // Isolate second component
}
StringRef Triple::getOSName() const {
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
Tmp = Tmp.split('-').second; // Strip second component
return Tmp.split('-').first; // Isolate third component
}
StringRef Triple::getEnvironmentName() const {
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
Tmp = Tmp.split('-').second; // Strip second component
return Tmp.split('-').second; // Strip third component
}
StringRef Triple::getOSAndEnvironmentName() const {
StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
return Tmp.split('-').second; // Strip second component
}
static VersionTuple parseVersionFromName(StringRef Name) {
VersionTuple Version;
Version.tryParse(Name);
return Version.withoutBuild();
}
VersionTuple Triple::getEnvironmentVersion() const {
return parseVersionFromName(getEnvironmentVersionString());
}
StringRef Triple::getEnvironmentVersionString() const {
StringRef EnvironmentName = getEnvironmentName();
// none is a valid environment type - it basically amounts to a freestanding
// environment.
if (EnvironmentName == "none")
return "";
StringRef EnvironmentTypeName = getEnvironmentTypeName(getEnvironment());
EnvironmentName.consume_front(EnvironmentTypeName);
if (EnvironmentName.contains("-")) {
// -obj is the suffix
if (getObjectFormat() != Triple::UnknownObjectFormat) {
StringRef ObjectFormatTypeName =
getObjectFormatTypeName(getObjectFormat());
const std::string tmp = (Twine("-") + ObjectFormatTypeName).str();
EnvironmentName.consume_back(tmp);
}
}
return EnvironmentName;
}
VersionTuple Triple::getOSVersion() const {
StringRef OSName = getOSName();
// Assume that the OS portion of the triple starts with the canonical name.
StringRef OSTypeName = getOSTypeName(getOS());
if (OSName.starts_with(OSTypeName))
OSName = OSName.substr(OSTypeName.size());
else if (getOS() == MacOSX)
OSName.consume_front("macos");
else if (OSName.starts_with("visionos"))
OSName.consume_front("visionos");
return parseVersionFromName(OSName);
}
bool Triple::getMacOSXVersion(VersionTuple &Version) const {
Version = getOSVersion();
switch (getOS()) {
default: llvm_unreachable("unexpected OS for Darwin triple");
case Darwin:
// Default to darwin8, i.e., MacOSX 10.4.
if (Version.getMajor() == 0)
Version = VersionTuple(8);
// Darwin version numbers are skewed from OS X versions.
if (Version.getMajor() < 4) {
return false;
}
if (Version.getMajor() <= 19) {
Version = VersionTuple(10, Version.getMajor() - 4);
} else if (Version.getMajor() < 25) {
// darwin20-24 corresponds to macOS 11-15.
Version = VersionTuple(11 + Version.getMajor() - 20);
} else {
// darwin25 corresponds with macOS26+.
Version = VersionTuple(Version.getMajor() + 1);
}
break;
case MacOSX:
// Default to 10.4.
if (Version.getMajor() == 0) {
Version = VersionTuple(10, 4);
} else if (Version.getMajor() < 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.
Version = VersionTuple(10, 4);
break;
case XROS:
llvm_unreachable("OSX version isn't relevant for xrOS");
case DriverKit:
llvm_unreachable("OSX version isn't relevant for DriverKit");
}
return true;
}
VersionTuple Triple::getiOSVersion() 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.
return VersionTuple(5);
case IOS:
case TvOS: {
VersionTuple Version = getOSVersion();
// Default to 5.0 (or 7.0 for arm64).
if (Version.getMajor() == 0)
return (getArch() == aarch64) ? VersionTuple(7) : VersionTuple(5);
if (Version.getMajor() == 19)
// tvOS 19 corresponds to ios26.
return VersionTuple(26);
return getCanonicalVersionForOS(OSType::IOS, Version,
isValidVersionForOS(OSType::IOS, Version));
}
case XROS: {
VersionTuple Version = getOSVersion();
// xrOS 1 is aligned with iOS 17.
if (Version.getMajor() < 3)
return Version.withMajorReplaced(Version.getMajor() + 16);
// visionOS 3 corresponds to ios 26+.
if (Version.getMajor() == 3)
return VersionTuple(26);
return getCanonicalVersionForOS(OSType::XROS, Version,
isValidVersionForOS(OSType::XROS, Version));
}
case WatchOS: {
VersionTuple Version = getOSVersion();
// watchOS 12 corresponds to ios 26.
if (Version.getMajor() == 12)
return VersionTuple(26);
return getCanonicalVersionForOS(
OSType::WatchOS, Version,
isValidVersionForOS(OSType::WatchOS, Version));
}
case BridgeOS:
llvm_unreachable("conflicting triple info");
case DriverKit:
llvm_unreachable("DriverKit doesn't have an iOS version");
}
}
VersionTuple Triple::getWatchOSVersion() 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.
return VersionTuple(2);
case WatchOS: {
VersionTuple Version = getOSVersion();
if (Version.getMajor() == 0)
return VersionTuple(2);
return Version;
}
case IOS:
llvm_unreachable("conflicting triple info");
case XROS:
llvm_unreachable("watchOS version isn't relevant for xrOS");
case DriverKit:
llvm_unreachable("DriverKit doesn't have a WatchOS version");
}
}
VersionTuple Triple::getDriverKitVersion() const {
switch (getOS()) {
default:
llvm_unreachable("unexpected OS for Darwin triple");
case DriverKit:
VersionTuple Version = getOSVersion();
if (Version.getMajor() == 0)
return Version.withMajorReplaced(19);
return Version;
}
}
VersionTuple Triple::getVulkanVersion() const {
if (getArch() != spirv || getOS() != Vulkan)
llvm_unreachable("invalid Vulkan SPIR-V triple");
VersionTuple VulkanVersion = getOSVersion();
SubArchType SpirvVersion = getSubArch();
llvm::DenseMap<VersionTuple, SubArchType> ValidVersionMap = {
// Vulkan 1.2 -> SPIR-V 1.5.
{VersionTuple(1, 2), SPIRVSubArch_v15},
// Vulkan 1.3 -> SPIR-V 1.6.
{VersionTuple(1, 3), SPIRVSubArch_v16}};
// If Vulkan version is unset, default to 1.2.
if (VulkanVersion == VersionTuple(0))
VulkanVersion = VersionTuple(1, 2);
if (ValidVersionMap.contains(VulkanVersion) &&
(ValidVersionMap.lookup(VulkanVersion) == SpirvVersion ||
SpirvVersion == NoSubArch))
return VulkanVersion;
return VersionTuple(0);
}
VersionTuple Triple::getDXILVersion() const {
if (getArch() != dxil || getOS() != ShaderModel)
llvm_unreachable("invalid DXIL triple");
StringRef Arch = getArchName();
if (getSubArch() == NoSubArch)
Arch = getDXILArchNameFromShaderModel(getOSName());
Arch.consume_front("dxilv");
VersionTuple DXILVersion = parseVersionFromName(Arch);
// FIXME: validate DXIL version against Shader Model version.
// Tracked by https://github.com/llvm/llvm-project/issues/91388
return DXILVersion;
}
void Triple::setTriple(const Twine &Str) {
*this = Triple(Str);
}
void Triple::setArch(ArchType Kind, SubArchType SubArch) {
setArchName(getArchName(Kind, SubArch));
}
void Triple::setVendor(VendorType Kind) {
setVendorName(getVendorTypeName(Kind));
}
void Triple::setOS(OSType 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) {
setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
}
void Triple::setVendorName(StringRef Str) {
setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
}
void Triple::setOSName(StringRef Str) {
if (hasEnvironment())
setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
"-" + getEnvironmentName());
else
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
void Triple::setEnvironmentName(StringRef Str) {
setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
"-" + Str);
}
void Triple::setOSAndEnvironmentName(StringRef Str) {
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
unsigned Triple::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::aarch64_32:
case llvm::Triple::amdil:
case llvm::Triple::arc:
case llvm::Triple::arm:
case llvm::Triple::armeb:
case llvm::Triple::csky:
case llvm::Triple::dxil:
case llvm::Triple::hexagon:
case llvm::Triple::hsail:
case llvm::Triple::kalimba:
case llvm::Triple::lanai:
case llvm::Triple::loongarch32:
case llvm::Triple::m68k:
case llvm::Triple::mips:
case llvm::Triple::mipsel:
case llvm::Triple::nvptx:
case llvm::Triple::ppc:
case llvm::Triple::ppcle:
case llvm::Triple::r600:
case llvm::Triple::renderscript32:
case llvm::Triple::riscv32:
case llvm::Triple::riscv32be:
case llvm::Triple::shave:
case llvm::Triple::sparc:
case llvm::Triple::sparcel:
case llvm::Triple::spir:
case llvm::Triple::spirv32:
case llvm::Triple::tce:
case llvm::Triple::tcele:
case llvm::Triple::thumb:
case llvm::Triple::thumbeb:
case llvm::Triple::wasm32:
case llvm::Triple::x86:
case llvm::Triple::xcore:
case llvm::Triple::xtensa:
return 32;
case llvm::Triple::aarch64:
case llvm::Triple::aarch64_be:
case llvm::Triple::amdgcn:
case llvm::Triple::amdil64:
case llvm::Triple::bpfeb:
case llvm::Triple::bpfel:
case llvm::Triple::hsail64:
case llvm::Triple::loongarch64:
case llvm::Triple::mips64:
case llvm::Triple::mips64el:
case llvm::Triple::nvptx64:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
case llvm::Triple::renderscript64:
case llvm::Triple::riscv64:
case llvm::Triple::riscv64be:
case llvm::Triple::sparcv9:
case llvm::Triple::spirv:
case llvm::Triple::spir64:
case llvm::Triple::spirv64:
case llvm::Triple::systemz:
case llvm::Triple::ve:
case llvm::Triple::wasm64:
case llvm::Triple::x86_64:
return 64;
}
llvm_unreachable("Invalid architecture value");
}
unsigned Triple::getTrampolineSize() const {
switch (getArch()) {
default:
break;
case Triple::ppc:
case Triple::ppcle:
if (isOSLinux())
return 40;
break;
case Triple::ppc64:
case Triple::ppc64le:
if (isOSLinux())
return 48;
break;
}
return 32;
}
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::amdgcn:
case Triple::avr:
case Triple::bpfeb:
case Triple::bpfel:
case Triple::msp430:
case Triple::systemz:
case Triple::ve:
T.setArch(UnknownArch);
break;
case Triple::aarch64_32:
case Triple::amdil:
case Triple::arc:
case Triple::arm:
case Triple::armeb:
case Triple::csky:
case Triple::dxil:
case Triple::hexagon:
case Triple::hsail:
case Triple::kalimba:
case Triple::lanai:
case Triple::loongarch32:
case Triple::m68k:
case Triple::mips:
case Triple::mipsel:
case Triple::nvptx:
case Triple::ppc:
case Triple::ppcle:
case Triple::r600:
case Triple::renderscript32:
case Triple::riscv32:
case Triple::riscv32be:
case Triple::shave:
case Triple::sparc:
case Triple::sparcel:
case Triple::spir:
case Triple::spirv32:
case Triple::tce:
case Triple::tcele:
case Triple::thumb:
case Triple::thumbeb:
case Triple::wasm32:
case Triple::x86:
case Triple::xcore:
case Triple::xtensa:
// Already 32-bit.
break;
case Triple::aarch64: T.setArch(Triple::arm); break;
case Triple::aarch64_be: T.setArch(Triple::armeb); break;
case Triple::amdil64: T.setArch(Triple::amdil); break;
case Triple::hsail64: T.setArch(Triple::hsail); break;
case Triple::loongarch64: T.setArch(Triple::loongarch32); break;
case Triple::mips64:
T.setArch(Triple::mips, getSubArch());
break;
case Triple::mips64el:
T.setArch(Triple::mipsel, getSubArch());
break;
case Triple::nvptx64: T.setArch(Triple::nvptx); break;
case Triple::ppc64: T.setArch(Triple::ppc); break;
case Triple::ppc64le: T.setArch(Triple::ppcle); break;
case Triple::renderscript64: T.setArch(Triple::renderscript32); break;
case Triple::riscv64: T.setArch(Triple::riscv32); break;
case Triple::riscv64be:
T.setArch(Triple::riscv32be);
break;
case Triple::sparcv9: T.setArch(Triple::sparc); break;
case Triple::spir64: T.setArch(Triple::spir); break;
case Triple::spirv:
case Triple::spirv64:
T.setArch(Triple::spirv32, getSubArch());
break;
case Triple::wasm64: T.setArch(Triple::wasm32); 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::arc:
case Triple::avr:
case Triple::csky:
case Triple::dxil:
case Triple::hexagon:
case Triple::kalimba:
case Triple::lanai:
case Triple::m68k:
case Triple::msp430:
case Triple::r600:
case Triple::shave:
case Triple::sparcel:
case Triple::tce:
case Triple::tcele:
case Triple::xcore:
case Triple::xtensa:
T.setArch(UnknownArch);
break;
case Triple::aarch64:
case Triple::aarch64_be:
case Triple::amdgcn:
case Triple::amdil64:
case Triple::bpfeb:
case Triple::bpfel:
case Triple::hsail64:
case Triple::loongarch64:
case Triple::mips64:
case Triple::mips64el:
case Triple::nvptx64:
case Triple::ppc64:
case Triple::ppc64le:
case Triple::renderscript64:
case Triple::riscv64:
case Triple::riscv64be:
case Triple::sparcv9:
case Triple::spir64:
case Triple::spirv64:
case Triple::systemz:
case Triple::ve:
case Triple::wasm64:
case Triple::x86_64:
// Already 64-bit.
break;
case Triple::aarch64_32: T.setArch(Triple::aarch64); break;
case Triple::amdil: T.setArch(Triple::amdil64); break;
case Triple::arm: T.setArch(Triple::aarch64); break;
case Triple::armeb: T.setArch(Triple::aarch64_be); break;
case Triple::hsail: T.setArch(Triple::hsail64); break;
case Triple::loongarch32: T.setArch(Triple::loongarch64); break;
case Triple::mips:
T.setArch(Triple::mips64, getSubArch());
break;
case Triple::mipsel:
T.setArch(Triple::mips64el, getSubArch());
break;
case Triple::nvptx: T.setArch(Triple::nvptx64); break;
case Triple::ppc: T.setArch(Triple::ppc64); break;
case Triple::ppcle: T.setArch(Triple::ppc64le); break;
case Triple::renderscript32: T.setArch(Triple::renderscript64); break;
case Triple::riscv32: T.setArch(Triple::riscv64); break;
case Triple::riscv32be:
T.setArch(Triple::riscv64be);
break;
case Triple::sparc: T.setArch(Triple::sparcv9); break;
case Triple::spir: T.setArch(Triple::spir64); break;
case Triple::spirv:
case Triple::spirv32:
T.setArch(Triple::spirv64, getSubArch());
break;
case Triple::thumb: T.setArch(Triple::aarch64); break;
case Triple::thumbeb: T.setArch(Triple::aarch64_be); break;
case Triple::wasm32: T.setArch(Triple::wasm64); break;
case Triple::x86: T.setArch(Triple::x86_64); break;
}
return T;
}
Triple Triple::getBigEndianArchVariant() const {
Triple T(*this);
// Already big endian.
if (!isLittleEndian())
return T;
switch (getArch()) {
case Triple::UnknownArch:
case Triple::amdgcn:
case Triple::amdil64:
case Triple::amdil:
case Triple::avr:
case Triple::dxil:
case Triple::hexagon:
case Triple::hsail64:
case Triple::hsail:
case Triple::kalimba:
case Triple::loongarch32:
case Triple::loongarch64:
case Triple::msp430:
case Triple::nvptx64:
case Triple::nvptx:
case Triple::r600:
case Triple::renderscript32:
case Triple::renderscript64:
case Triple::shave:
case Triple::spir64:
case Triple::spir:
case Triple::spirv:
case Triple::spirv32:
case Triple::spirv64:
case Triple::wasm32:
case Triple::wasm64:
case Triple::x86:
case Triple::x86_64:
case Triple::xcore:
case Triple::ve:
case Triple::csky:
case Triple::xtensa:
// 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: T.setArch(Triple::aarch64_be); break;
case Triple::bpfel: T.setArch(Triple::bpfeb); break;
case Triple::mips64el:
T.setArch(Triple::mips64, getSubArch());
break;
case Triple::mipsel:
T.setArch(Triple::mips, getSubArch());
break;
case Triple::ppcle: T.setArch(Triple::ppc); break;
case Triple::ppc64le: T.setArch(Triple::ppc64); break;
case Triple::riscv32:
T.setArch(Triple::riscv32be);
break;
case Triple::riscv64:
T.setArch(Triple::riscv64be);
break;
case Triple::sparcel: T.setArch(Triple::sparc); break;
case Triple::tcele: T.setArch(Triple::tce); break;
default:
llvm_unreachable("getBigEndianArchVariant: unknown triple.");
}
return T;
}
Triple Triple::getLittleEndianArchVariant() const {
Triple T(*this);
if (isLittleEndian())
return T;
switch (getArch()) {
case Triple::UnknownArch:
case Triple::lanai:
case Triple::sparcv9:
case Triple::systemz:
case Triple::m68k:
// 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_be: T.setArch(Triple::aarch64); break;
case Triple::bpfeb: T.setArch(Triple::bpfel); break;
case Triple::mips64:
T.setArch(Triple::mips64el, getSubArch());
break;
case Triple::mips:
T.setArch(Triple::mipsel, getSubArch());
break;
case Triple::ppc: T.setArch(Triple::ppcle); break;
case Triple::ppc64: T.setArch(Triple::ppc64le); break;
case Triple::riscv32be:
T.setArch(Triple::riscv32);
break;
case Triple::riscv64be:
T.setArch(Triple::riscv64);
break;
case Triple::sparc: T.setArch(Triple::sparcel); break;
case Triple::tce: T.setArch(Triple::tcele); break;
default:
llvm_unreachable("getLittleEndianArchVariant: unknown triple.");
}
return T;
}
bool Triple::isLittleEndian() const {
switch (getArch()) {
case Triple::aarch64:
case Triple::aarch64_32:
case Triple::amdgcn:
case Triple::amdil64:
case Triple::amdil:
case Triple::arm:
case Triple::avr:
case Triple::bpfel:
case Triple::csky:
case Triple::dxil:
case Triple::hexagon:
case Triple::hsail64:
case Triple::hsail:
case Triple::kalimba:
case Triple::loongarch32:
case Triple::loongarch64:
case Triple::mips64el:
case Triple::mipsel:
case Triple::msp430:
case Triple::nvptx64:
case Triple::nvptx:
case Triple::ppcle:
case Triple::ppc64le:
case Triple::r600:
case Triple::renderscript32:
case Triple::renderscript64:
case Triple::riscv32:
case Triple::riscv64:
case Triple::shave:
case Triple::sparcel:
case Triple::spir64:
case Triple::spir:
case Triple::spirv:
case Triple::spirv32:
case Triple::spirv64:
case Triple::tcele:
case Triple::thumb:
case Triple::ve:
case Triple::wasm32:
case Triple::wasm64:
case Triple::x86:
case Triple::x86_64:
case Triple::xcore:
case Triple::xtensa:
return true;
default:
return false;
}
}
bool Triple::isCompatibleWith(const Triple &Other) const {
// On MinGW, C code is usually built with a "w64" vendor, while Rust
// often uses a "pc" vendor.
bool IgnoreVendor = isWindowsGNUEnvironment();
// ARM and Thumb triples are compatible, if subarch, vendor and OS match.
if ((getArch() == Triple::thumb && Other.getArch() == Triple::arm) ||
(getArch() == Triple::arm && Other.getArch() == Triple::thumb) ||
(getArch() == Triple::thumbeb && Other.getArch() == Triple::armeb) ||
(getArch() == Triple::armeb && Other.getArch() == Triple::thumbeb)) {
if (getVendor() == Triple::Apple)
return getSubArch() == Other.getSubArch() &&
getVendor() == Other.getVendor() && getOS() == Other.getOS();
else
return getSubArch() == Other.getSubArch() &&
(getVendor() == Other.getVendor() || IgnoreVendor) &&
getOS() == Other.getOS() &&
getEnvironment() == Other.getEnvironment() &&
getObjectFormat() == Other.getObjectFormat();
}
// If vendor is apple, ignore the version number (the environment field)
// and the object format.
if (getVendor() == Triple::Apple)
return getArch() == Other.getArch() && getSubArch() == Other.getSubArch() &&
(getVendor() == Other.getVendor() || IgnoreVendor) &&
getOS() == Other.getOS();
return getArch() == Other.getArch() && getSubArch() == Other.getSubArch() &&
(getVendor() == Other.getVendor() || IgnoreVendor) &&
getOS() == Other.getOS() &&
getEnvironment() == Other.getEnvironment() &&
getObjectFormat() == Other.getObjectFormat();
}
std::string Triple::merge(const Triple &Other) const {
// If vendor is apple, pick the triple with the larger version number.
if (getVendor() == Triple::Apple)
if (Other.isOSVersionLT(*this))
return str();
return Other.str();
}
bool Triple::isMacOSXVersionLT(unsigned Major, unsigned Minor,
unsigned Micro) const {
assert(isMacOSX() && "Not an OS X triple!");
// If this is OS X, expect a sane version number.
if (getOS() == Triple::MacOSX)
return isOSVersionLT(Major, Minor, Micro);
// Otherwise, compare to the "Darwin" number.
if (Major == 10)
return isOSVersionLT(Minor + 4, Micro, 0);
assert(Major >= 11 && "Unexpected major version");
if (Major < 25)
return isOSVersionLT(Major - 11 + 20, Minor, Micro);
return isOSVersionLT(Major + 1, Minor, Micro);
}
VersionTuple Triple::getMinimumSupportedOSVersion() const {
if (getVendor() != Triple::Apple || getArch() != Triple::aarch64)
return VersionTuple();
switch (getOS()) {
case Triple::MacOSX:
// ARM64 slice is supported starting from macOS 11.0+.
return VersionTuple(11, 0, 0);
case Triple::IOS:
// ARM64 slice is supported starting from Mac Catalyst 14 (macOS 11).
// ARM64 simulators are supported for iOS 14+.
if (isMacCatalystEnvironment() || isSimulatorEnvironment())
return VersionTuple(14, 0, 0);
// ARM64e slice is supported starting from iOS 14.
if (isArm64e())
return VersionTuple(14, 0, 0);
break;
case Triple::TvOS:
// ARM64 simulators are supported for tvOS 14+.
if (isSimulatorEnvironment())
return VersionTuple(14, 0, 0);
break;
case Triple::WatchOS:
// ARM64 simulators are supported for watchOS 7+.
if (isSimulatorEnvironment())
return VersionTuple(7, 0, 0);
// ARM64/ARM64e slices are supported starting from watchOS 26.
// ARM64_32 is older though.
assert(getArch() != Triple::aarch64_32);
return VersionTuple(26, 0, 0);
case Triple::DriverKit:
return VersionTuple(20, 0, 0);
default:
break;
}
return VersionTuple();
}
VersionTuple Triple::getCanonicalVersionForOS(OSType OSKind,
const VersionTuple &Version,
bool IsInValidRange) {
const unsigned MacOSRangeBump = 10;
const unsigned IOSRangeBump = 7;
const unsigned XROSRangeBump = 23;
const unsigned WatchOSRangeBump = 14;
switch (OSKind) {
case MacOSX: {
// macOS 10.16 is canonicalized to macOS 11.
if (Version == VersionTuple(10, 16))
return VersionTuple(11, 0);
// macOS 16 is canonicalized to macOS 26.
if (Version == VersionTuple(16, 0))
return VersionTuple(26, 0);
if (!IsInValidRange)
return Version.withMajorReplaced(Version.getMajor() + MacOSRangeBump);
break;
}
case IOS:
case TvOS: {
// Both iOS & tvOS 19.0 canonicalize to 26.
if (Version == VersionTuple(19, 0))
return VersionTuple(26, 0);
if (!IsInValidRange)
return Version.withMajorReplaced(Version.getMajor() + IOSRangeBump);
break;
}
case XROS: {
// visionOS3 is canonicalized to 26.
if (Version == VersionTuple(3, 0))
return VersionTuple(26, 0);
if (!IsInValidRange)
return Version.withMajorReplaced(Version.getMajor() + XROSRangeBump);
break;
}
case WatchOS: {
// watchOS 12 is canonicalized to 26.
if (Version == VersionTuple(12, 0))
return VersionTuple(26, 0);
if (!IsInValidRange)
return Version.withMajorReplaced(Version.getMajor() + WatchOSRangeBump);
break;
}
default:
return Version;
}
return Version;
}
bool Triple::isValidVersionForOS(OSType OSKind, const VersionTuple &Version) {
/// This constant is used to capture gaps in versioning.
const VersionTuple CommonVersion(26);
auto IsValid = [&](const VersionTuple &StartingVersion) {
return !((Version > StartingVersion) && (Version < CommonVersion));
};
switch (OSKind) {
case WatchOS: {
const VersionTuple StartingWatchOS(12);
return IsValid(StartingWatchOS);
}
case IOS:
case TvOS: {
const VersionTuple StartingIOS(19);
return IsValid(StartingIOS);
}
case MacOSX: {
const VersionTuple StartingMacOS(16);
return IsValid(StartingMacOS);
}
case XROS: {
const VersionTuple StartingXROS(3);
return IsValid(StartingXROS);
}
default:
return true;
}
llvm_unreachable("unexpected or invalid os version");
}
ExceptionHandling Triple::getDefaultExceptionHandling() const {
if (isOSBinFormatCOFF()) {
if (getArch() == Triple::x86 &&
(isOSCygMing() || isWindowsItaniumEnvironment()))
return ExceptionHandling::DwarfCFI;
return ExceptionHandling::WinEH;
}
if (isOSBinFormatXCOFF())
return ExceptionHandling::AIX;
if (isOSBinFormatGOFF())
return ExceptionHandling::ZOS;
if (isARM() || isThumb()) {
if (isOSBinFormatELF()) {
return getOS() == Triple::NetBSD ? ExceptionHandling::DwarfCFI
: ExceptionHandling::ARM;
}
return isOSDarwin() && !isWatchABI() ? ExceptionHandling::SjLj
: ExceptionHandling::DwarfCFI;
}
if (isAArch64() || isX86() || isPPC() || isMIPS() || isSPARC() || isBPF() ||
isRISCV() || isLoongArch())
return ExceptionHandling::DwarfCFI;
switch (getArch()) {
case Triple::arc:
case Triple::csky:
case Triple::hexagon:
case Triple::lanai:
case Triple::m68k:
case Triple::msp430:
case Triple::systemz:
case Triple::xcore:
case Triple::xtensa:
return ExceptionHandling::DwarfCFI;
default:
break;
}
// Explicitly none targets.
if (isWasm() || isAMDGPU() || isNVPTX() || isSPIROrSPIRV())
return ExceptionHandling::None;
// Default to none.
return ExceptionHandling::None;
}
// HLSL triple environment orders are relied on in the front end
static_assert(Triple::Vertex - Triple::Pixel == 1,
"incorrect HLSL stage order");
static_assert(Triple::Geometry - Triple::Pixel == 2,
"incorrect HLSL stage order");
static_assert(Triple::Hull - Triple::Pixel == 3,
"incorrect HLSL stage order");
static_assert(Triple::Domain - Triple::Pixel == 4,
"incorrect HLSL stage order");
static_assert(Triple::Compute - Triple::Pixel == 5,
"incorrect HLSL stage order");
static_assert(Triple::Library - Triple::Pixel == 6,
"incorrect HLSL stage order");
static_assert(Triple::RayGeneration - Triple::Pixel == 7,
"incorrect HLSL stage order");
static_assert(Triple::Intersection - Triple::Pixel == 8,
"incorrect HLSL stage order");
static_assert(Triple::AnyHit - Triple::Pixel == 9,
"incorrect HLSL stage order");
static_assert(Triple::ClosestHit - Triple::Pixel == 10,
"incorrect HLSL stage order");
static_assert(Triple::Miss - Triple::Pixel == 11,
"incorrect HLSL stage order");
static_assert(Triple::Callable - Triple::Pixel == 12,
"incorrect HLSL stage order");
static_assert(Triple::Mesh - Triple::Pixel == 13,
"incorrect HLSL stage order");
static_assert(Triple::Amplification - Triple::Pixel == 14,
"incorrect HLSL stage order");