#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetParser.h"
+#include "llvm/Support/Host.h"
#include <cstring>
using namespace llvm;
case aarch64_be: return "aarch64_be";
case arm: return "arm";
case armeb: return "armeb";
- case bpf: return "bpf";
+ case bpfel: return "bpfel";
+ case bpfeb: return "bpfeb";
case hexagon: return "hexagon";
case mips: return "mips";
case mipsel: return "mipsel";
case amdgcn: return "amdgcn";
case sparc: return "sparc";
case sparcv9: return "sparcv9";
+ case sparcel: return "sparcel";
case systemz: return "s390x";
case tce: return "tce";
case thumb: return "thumb";
case spir: return "spir";
case spir64: return "spir64";
case kalimba: return "kalimba";
+ case shave: return "shave";
+ case wasm32: return "wasm32";
+ case wasm64: return "wasm64";
}
llvm_unreachable("Invalid ArchType!");
case amdgcn:
case r600: return "amdgpu";
- case bpf: return "bpf";
+ case bpfel:
+ case bpfeb: return "bpf";
case sparcv9:
+ case sparcel:
case sparc: return "sparc";
- case systemz: return "systemz";
+ case systemz: return "s390";
case x86:
case x86_64: return "x86";
case spir:
case spir64: return "spir";
case kalimba: return "kalimba";
+ case shave: return "shave";
+ case wasm32:
+ case wasm64: return "wasm";
}
}
case MSVC: return "msvc";
case Itanium: return "itanium";
case Cygnus: return "cygnus";
+ case AMDOpenCL: return "amdopencl";
+ case CoreCLR: return "coreclr";
}
llvm_unreachable("Invalid EnvironmentType!");
}
+static Triple::ArchType parseBPFArch(StringRef ArchName) {
+ if (ArchName.equals("bpf")) {
+ if (sys::IsLittleEndianHost)
+ return Triple::bpfel;
+ else
+ return Triple::bpfeb;
+ } else if (ArchName.equals("bpf_be") || ArchName.equals("bpfeb")) {
+ return Triple::bpfeb;
+ } else if (ArchName.equals("bpf_le") || ArchName.equals("bpfel")) {
+ return Triple::bpfel;
+ } else {
+ return Triple::UnknownArch;
+ }
+}
+
Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
+ Triple::ArchType BPFArch(parseBPFArch(Name));
return StringSwitch<Triple::ArchType>(Name)
.Case("aarch64", aarch64)
.Case("aarch64_be", aarch64_be)
.Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
.Case("arm", arm)
.Case("armeb", armeb)
- .Case("bpf", bpf)
+ .StartsWith("bpf", BPFArch)
.Case("mips", mips)
.Case("mipsel", mipsel)
.Case("mips64", mips64)
.Case("amdgcn", amdgcn)
.Case("hexagon", hexagon)
.Case("sparc", sparc)
+ .Case("sparcel", sparcel)
.Case("sparcv9", sparcv9)
.Case("systemz", systemz)
.Case("tce", tce)
.Case("spir", spir)
.Case("spir64", spir64)
.Case("kalimba", kalimba)
+ .Case("shave", shave)
+ .Case("wasm32", wasm32)
+ .Case("wasm64", wasm64)
.Default(UnknownArch);
}
static Triple::ArchType parseARMArch(StringRef ArchName) {
- size_t offset = StringRef::npos;
+ unsigned ISA = ARM::parseArchISA(ArchName);
+ unsigned ENDIAN = ARM::parseArchEndian(ArchName);
+
Triple::ArchType arch = Triple::UnknownArch;
- bool isThumb = ArchName.startswith("thumb");
-
- if (ArchName.equals("arm"))
- return Triple::arm;
- if (ArchName.equals("armeb"))
- return Triple::armeb;
- if (ArchName.equals("thumb"))
- return Triple::thumb;
- if (ArchName.equals("thumbeb"))
- return Triple::thumbeb;
- if (ArchName.equals("arm64") || ArchName.equals("aarch64"))
- return Triple::aarch64;
- if (ArchName.equals("aarch64_be"))
- return Triple::aarch64_be;
-
- if (ArchName.startswith("armv")) {
- offset = 3;
- if (ArchName.endswith("eb")) {
- arch = Triple::armeb;
- ArchName = ArchName.substr(0, ArchName.size() - 2);
- } else
+ switch (ENDIAN) {
+ case ARM::EK_LITTLE: {
+ switch (ISA) {
+ case ARM::IK_ARM:
arch = Triple::arm;
- } else if (ArchName.startswith("armebv")) {
- offset = 5;
- arch = Triple::armeb;
- } else if (ArchName.startswith("thumbv")) {
- offset = 5;
- if (ArchName.endswith("eb")) {
- arch = Triple::thumbeb;
- ArchName = ArchName.substr(0, ArchName.size() - 2);
- } else
+ break;
+ case ARM::IK_THUMB:
arch = Triple::thumb;
- } else if (ArchName.startswith("thumbebv")) {
- offset = 7;
- arch = Triple::thumbeb;
+ break;
+ case ARM::IK_AARCH64:
+ arch = Triple::aarch64;
+ break;
+ }
+ break;
}
- return StringSwitch<Triple::ArchType>(ArchName.substr(offset))
- .Cases("v2", "v2a", isThumb ? Triple::UnknownArch : arch)
- .Cases("v3", "v3m", isThumb ? Triple::UnknownArch : arch)
- .Cases("v4", "v4t", arch)
- .Cases("v5", "v5e", "v5t", "v5te", "v5tej", arch)
- .Cases("v6", "v6j", "v6k", "v6m", "v6sm", arch)
- .Cases("v6t2", "v6z", "v6zk", arch)
- .Cases("v7", "v7a", "v7em", "v7l", arch)
- .Cases("v7m", "v7r", "v7s", arch)
- .Cases("v8", "v8a", arch)
- .Default(Triple::UnknownArch);
+ case ARM::EK_BIG: {
+ switch (ISA) {
+ case ARM::IK_ARM:
+ arch = Triple::armeb;
+ break;
+ case ARM::IK_THUMB:
+ arch = Triple::thumbeb;
+ break;
+ case ARM::IK_AARCH64:
+ arch = Triple::aarch64_be;
+ break;
+ }
+ break;
+ }
+ }
+
+ ArchName = ARM::getCanonicalArchName(ArchName);
+ if (ArchName.empty())
+ return Triple::UnknownArch;
+
+ // Thumb only exists in v4+
+ if (ISA == ARM::IK_THUMB &&
+ (ArchName.startswith("v2") || ArchName.startswith("v3")))
+ return Triple::UnknownArch;
+
+ // Thumb only for v6m
+ unsigned Profile = ARM::parseArchProfile(ArchName);
+ unsigned Version = ARM::parseArchVersion(ArchName);
+ if (Profile == ARM::PK_M && Version == 6) {
+ if (ENDIAN == ARM::EK_BIG)
+ return Triple::thumbeb;
+ else
+ return Triple::thumb;
+ }
+
+ return arch;
}
static Triple::ArchType parseArch(StringRef ArchName) {
- Triple::ArchType ARMArch(parseARMArch(ArchName));
-
- return StringSwitch<Triple::ArchType>(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)
.Case("powerpc64le", Triple::ppc64le)
.Case("xscale", Triple::arm)
.Case("xscaleeb", Triple::armeb)
- .StartsWith("arm", ARMArch)
- .StartsWith("thumb", ARMArch)
- .StartsWith("aarch64", ARMArch)
+ .Case("aarch64", Triple::aarch64)
+ .Case("aarch64_be", Triple::aarch64_be)
+ .Case("arm64", Triple::aarch64)
+ .Case("arm", Triple::arm)
+ .Case("armeb", Triple::armeb)
+ .Case("thumb", Triple::thumb)
+ .Case("thumbeb", Triple::thumbeb)
.Case("msp430", Triple::msp430)
.Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
.Cases("mipsel", "mipsallegrexel", Triple::mipsel)
.Case("mips64el", Triple::mips64el)
.Case("r600", Triple::r600)
.Case("amdgcn", Triple::amdgcn)
- .Case("bpf", Triple::bpf)
.Case("hexagon", Triple::hexagon)
.Case("s390x", Triple::systemz)
.Case("sparc", Triple::sparc)
+ .Case("sparcel", Triple::sparcel)
.Cases("sparcv9", "sparc64", Triple::sparcv9)
.Case("tce", Triple::tce)
.Case("xcore", Triple::xcore)
.Case("spir", Triple::spir)
.Case("spir64", Triple::spir64)
.StartsWith("kalimba", Triple::kalimba)
+ .Case("shave", Triple::shave)
+ .Case("wasm32", Triple::wasm32)
+ .Case("wasm64", Triple::wasm64)
.Default(Triple::UnknownArch);
+
+ // Some architectures require special parsing logic just to compute the
+ // ArchType result.
+ if (AT == Triple::UnknownArch) {
+ if (ArchName.startswith("arm") || ArchName.startswith("thumb") ||
+ ArchName.startswith("aarch64"))
+ return parseARMArch(ArchName);
+ if (ArchName.startswith("bpf"))
+ return parseBPFArch(ArchName);
+ }
+
+ return AT;
}
static Triple::VendorType parseVendor(StringRef VendorName) {
.StartsWith("msvc", Triple::MSVC)
.StartsWith("itanium", Triple::Itanium)
.StartsWith("cygnus", Triple::Cygnus)
+ .StartsWith("amdopencl", Triple::AMDOpenCL)
+ .StartsWith("coreclr", Triple::CoreCLR)
.Default(Triple::UnknownEnvironment);
}
}
static Triple::SubArchType parseSubArch(StringRef SubArchName) {
- if (SubArchName.endswith("eb"))
- SubArchName = SubArchName.substr(0, SubArchName.size() - 2);
-
- return StringSwitch<Triple::SubArchType>(SubArchName)
- .EndsWith("v8", Triple::ARMSubArch_v8)
- .EndsWith("v8a", Triple::ARMSubArch_v8)
- .EndsWith("v7", Triple::ARMSubArch_v7)
- .EndsWith("v7a", Triple::ARMSubArch_v7)
- .EndsWith("v7em", Triple::ARMSubArch_v7em)
- .EndsWith("v7l", Triple::ARMSubArch_v7)
- .EndsWith("v7m", Triple::ARMSubArch_v7m)
- .EndsWith("v7r", Triple::ARMSubArch_v7)
- .EndsWith("v7s", Triple::ARMSubArch_v7s)
- .EndsWith("v6", Triple::ARMSubArch_v6)
- .EndsWith("v6m", Triple::ARMSubArch_v6m)
- .EndsWith("v6sm", Triple::ARMSubArch_v6m)
- .EndsWith("v6k", Triple::ARMSubArch_v6k)
- .EndsWith("v6t2", Triple::ARMSubArch_v6t2)
- .EndsWith("v5", Triple::ARMSubArch_v5)
- .EndsWith("v5e", Triple::ARMSubArch_v5)
- .EndsWith("v5t", Triple::ARMSubArch_v5)
- .EndsWith("v5te", Triple::ARMSubArch_v5te)
- .EndsWith("v4t", Triple::ARMSubArch_v4t)
- .EndsWith("kalimba3", Triple::KalimbaSubArch_v3)
- .EndsWith("kalimba4", Triple::KalimbaSubArch_v4)
- .EndsWith("kalimba5", Triple::KalimbaSubArch_v5)
- .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::AK_ARMV4:
+ return Triple::NoSubArch;
+ case ARM::AK_ARMV4T:
+ return Triple::ARMSubArch_v4t;
+ case ARM::AK_ARMV5:
+ case ARM::AK_ARMV5T:
+ case ARM::AK_ARMV5E:
+ return Triple::ARMSubArch_v5;
+ case ARM::AK_ARMV5TE:
+ case ARM::AK_IWMMXT:
+ case ARM::AK_IWMMXT2:
+ case ARM::AK_XSCALE:
+ case ARM::AK_ARMV5TEJ:
+ return Triple::ARMSubArch_v5te;
+ case ARM::AK_ARMV6:
+ case ARM::AK_ARMV6J:
+ case ARM::AK_ARMV6Z:
+ return Triple::ARMSubArch_v6;
+ case ARM::AK_ARMV6K:
+ case ARM::AK_ARMV6ZK:
+ case ARM::AK_ARMV6HL:
+ return Triple::ARMSubArch_v6k;
+ case ARM::AK_ARMV6T2:
+ return Triple::ARMSubArch_v6t2;
+ case ARM::AK_ARMV6M:
+ case ARM::AK_ARMV6SM:
+ return Triple::ARMSubArch_v6m;
+ case ARM::AK_ARMV7:
+ case ARM::AK_ARMV7A:
+ case ARM::AK_ARMV7R:
+ case ARM::AK_ARMV7L:
+ case ARM::AK_ARMV7HL:
+ return Triple::ARMSubArch_v7;
+ case ARM::AK_ARMV7M:
+ return Triple::ARMSubArch_v7m;
+ case ARM::AK_ARMV7S:
+ return Triple::ARMSubArch_v7s;
+ case ARM::AK_ARMV7EM:
+ return Triple::ARMSubArch_v7em;
+ case ARM::AK_ARMV8A:
+ return Triple::ARMSubArch_v8;
+ case ARM::AK_ARMV8_1A:
+ return Triple::ARMSubArch_v8_1a;
+ default:
+ return Triple::NoSubArch;
+ }
}
static const char *getObjectFormatTypeName(Triple::ObjectFormatType Kind) {
if (T.isOSDarwin())
return Triple::MachO;
return Triple::ELF;
+
+ case Triple::wasm32:
+ case Triple::wasm64:
+ // Unknown for now, until an object format is specified.
+ return Triple::UnknownObjectFormat;
}
if (T.isOSDarwin())
// 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;
+ }
+ }
if (OS == Triple::Win32) {
Components.resize(4);
return Result;
}
-void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
- unsigned &Micro) const {
- StringRef OSName = getOSName();
-
- // For Android, we care about the Android version rather than the Linux
- // version.
- if (getEnvironment() == Android) {
- OSName = getEnvironmentName().substr(strlen("android"));
- if (OSName.startswith("eabi"))
- OSName = OSName.substr(strlen("eabi"));
- }
-
- // Assume that the OS portion of the triple starts with the canonical name.
- StringRef OSTypeName = getOSTypeName(getOS());
- if (OSName.startswith(OSTypeName))
- OSName = OSName.substr(OSTypeName.size());
-
+static void parseVersionFromName(StringRef Name, unsigned &Major,
+ unsigned &Minor, unsigned &Micro) {
// Any unset version defaults to 0.
Major = Minor = Micro = 0;
// Parse up to three components.
- unsigned *Components[3] = { &Major, &Minor, &Micro };
+ unsigned *Components[3] = {&Major, &Minor, &Micro};
for (unsigned i = 0; i != 3; ++i) {
- if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
+ if (Name.empty() || Name[0] < '0' || Name[0] > '9')
break;
// Consume the leading number.
- *Components[i] = EatNumber(OSName);
+ *Components[i] = EatNumber(Name);
// Consume the separator, if present.
- if (OSName.startswith("."))
- OSName = OSName.substr(1);
+ if (Name.startswith("."))
+ Name = Name.substr(1);
}
}
+void Triple::getEnvironmentVersion(unsigned &Major, unsigned &Minor,
+ unsigned &Micro) const {
+ StringRef EnvironmentName = getEnvironmentName();
+ StringRef EnvironmentTypeName = getEnvironmentTypeName(getEnvironment());
+ if (EnvironmentName.startswith(EnvironmentTypeName))
+ EnvironmentName = EnvironmentName.substr(EnvironmentTypeName.size());
+
+ parseVersionFromName(EnvironmentName, Major, Minor, Micro);
+}
+
+void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
+ unsigned &Micro) const {
+ StringRef OSName = getOSName();
+ // Assume that the OS portion of the triple starts with the canonical name.
+ StringRef OSTypeName = getOSTypeName(getOS());
+ if (OSName.startswith(OSTypeName))
+ OSName = OSName.substr(OSTypeName.size());
+
+ parseVersionFromName(OSName, Major, Minor, Micro);
+}
+
bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor,
unsigned &Micro) const {
getOSVersion(Major, Minor, Micro);
case llvm::Triple::ppc:
case llvm::Triple::r600:
case llvm::Triple::sparc:
+ case llvm::Triple::sparcel:
case llvm::Triple::tce:
case llvm::Triple::thumb:
case llvm::Triple::thumbeb:
case llvm::Triple::hsail:
case llvm::Triple::spir:
case llvm::Triple::kalimba:
+ case llvm::Triple::shave:
+ case llvm::Triple::wasm32:
return 32;
case llvm::Triple::aarch64:
case llvm::Triple::aarch64_be:
case llvm::Triple::amdgcn:
- case llvm::Triple::bpf:
+ case llvm::Triple::bpfel:
+ case llvm::Triple::bpfeb:
case llvm::Triple::le64:
case llvm::Triple::mips64:
case llvm::Triple::mips64el:
case llvm::Triple::amdil64:
case llvm::Triple::hsail64:
case llvm::Triple::spir64:
+ case llvm::Triple::wasm64:
return 64;
}
llvm_unreachable("Invalid architecture value");
case Triple::aarch64:
case Triple::aarch64_be:
case Triple::amdgcn:
- case Triple::bpf:
+ case Triple::bpfel:
+ case Triple::bpfeb:
case Triple::msp430:
case Triple::systemz:
case Triple::ppc64le:
case Triple::ppc:
case Triple::r600:
case Triple::sparc:
+ case Triple::sparcel:
case Triple::tce:
case Triple::thumb:
case Triple::thumbeb:
case Triple::x86:
case Triple::xcore:
+ case Triple::shave:
+ case Triple::wasm32:
// Already 32-bit.
break;
case Triple::amdil64: T.setArch(Triple::amdil); break;
case Triple::hsail64: T.setArch(Triple::hsail); break;
case Triple::spir64: T.setArch(Triple::spir); break;
+ case Triple::wasm64: T.setArch(Triple::wasm32); break;
}
return T;
}
case Triple::thumb:
case Triple::thumbeb:
case Triple::xcore:
+ case Triple::sparcel:
+ case Triple::shave:
T.setArch(UnknownArch);
break;
case Triple::aarch64:
case Triple::aarch64_be:
- case Triple::bpf:
+ case Triple::bpfel:
+ case Triple::bpfeb:
case Triple::le64:
case Triple::amdil64:
case Triple::amdgcn:
case Triple::sparcv9:
case Triple::systemz:
case Triple::x86_64:
+ case Triple::wasm64:
// Already 64-bit.
break;
case Triple::amdil: T.setArch(Triple::amdil64); break;
case Triple::hsail: T.setArch(Triple::hsail64); break;
case Triple::spir: T.setArch(Triple::spir64); break;
+ case Triple::wasm32: T.setArch(Triple::wasm64); break;
}
return T;
}
-// FIXME: tblgen this.
-const char *Triple::getARMCPUForArch(StringRef MArch) const {
+Triple Triple::getBigEndianArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ case Triple::amdgcn:
+ case Triple::amdil64:
+ case Triple::amdil:
+ case Triple::hexagon:
+ case Triple::hsail64:
+ case Triple::hsail:
+ case Triple::kalimba:
+ case Triple::le32:
+ case Triple::le64:
+ case Triple::msp430:
+ case Triple::nvptx64:
+ case Triple::nvptx:
+ case Triple::r600:
+ case Triple::shave:
+ case Triple::spir64:
+ case Triple::spir:
+ case Triple::wasm32:
+ case Triple::wasm64:
+ case Triple::x86:
+ case Triple::x86_64:
+ case Triple::xcore:
+
+ // ARM is intentionally unsupported here, changing the architecture would
+ // drop any arch suffixes.
+ case Triple::arm:
+ case Triple::thumb:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::aarch64_be:
+ case Triple::armeb:
+ case Triple::bpfeb:
+ case Triple::mips64:
+ case Triple::mips:
+ case Triple::ppc64:
+ case Triple::ppc:
+ case Triple::sparc:
+ case Triple::sparcv9:
+ case Triple::systemz:
+ case Triple::tce:
+ case Triple::thumbeb:
+ // Already big endian.
+ break;
+
+ case Triple::aarch64: T.setArch(Triple::aarch64_be); break;
+ case Triple::bpfel: T.setArch(Triple::bpfeb); break;
+ case Triple::mips64el:T.setArch(Triple::mips64); break;
+ case Triple::mipsel: T.setArch(Triple::mips); break;
+ case Triple::ppc64le: T.setArch(Triple::ppc64); break;
+ case Triple::sparcel: T.setArch(Triple::sparc); break;
+ }
+ return T;
+}
+
+Triple Triple::getLittleEndianArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ case Triple::ppc:
+ case Triple::sparcv9:
+ case Triple::systemz:
+ case Triple::tce:
+
+ // ARM is intentionally unsupported here, changing the architecture would
+ // drop any arch suffixes.
+ case Triple::armeb:
+ case Triple::thumbeb:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::aarch64:
+ case Triple::amdgcn:
+ case Triple::amdil64:
+ case Triple::amdil:
+ case Triple::arm:
+ case Triple::bpfel:
+ case Triple::hexagon:
+ case Triple::hsail64:
+ case Triple::hsail:
+ case Triple::kalimba:
+ case Triple::le32:
+ case Triple::le64:
+ case Triple::mips64el:
+ case Triple::mipsel:
+ case Triple::msp430:
+ case Triple::nvptx64:
+ case Triple::nvptx:
+ case Triple::ppc64le:
+ case Triple::r600:
+ case Triple::shave:
+ case Triple::sparcel:
+ case Triple::spir64:
+ case Triple::spir:
+ case Triple::thumb:
+ case Triple::wasm32:
+ case Triple::wasm64:
+ case Triple::x86:
+ case Triple::x86_64:
+ case Triple::xcore:
+ // Already little endian.
+ break;
+
+ case Triple::aarch64_be: T.setArch(Triple::aarch64); break;
+ case Triple::bpfeb: T.setArch(Triple::bpfel); break;
+ case Triple::mips64: T.setArch(Triple::mips64el); break;
+ case Triple::mips: T.setArch(Triple::mipsel); break;
+ case Triple::ppc64: T.setArch(Triple::ppc64le); break;
+ case Triple::sparc: T.setArch(Triple::sparcel); break;
+ }
+ return T;
+}
+
+StringRef Triple::getARMCPUForArch(StringRef MArch) const {
if (MArch.empty())
MArch = getArchName();
+ MArch = ARM::getCanonicalArchName(MArch);
+ // Some defaults are forced.
switch (getOS()) {
case llvm::Triple::FreeBSD:
case llvm::Triple::NetBSD:
- if (MArch == "armv6")
+ if (!MArch.empty() && MArch == "v6")
return "arm1176jzf-s";
break;
case llvm::Triple::Win32:
break;
}
- const char *result = nullptr;
- size_t offset = StringRef::npos;
- if (MArch.startswith("arm"))
- offset = 3;
- if (MArch.startswith("thumb"))
- offset = 5;
- if (offset != StringRef::npos && MArch.substr(offset, 2) == "eb")
- offset += 2;
- if (MArch.endswith("eb"))
- MArch = MArch.substr(0, MArch.size() - 2);
- if (offset != StringRef::npos)
- result = llvm::StringSwitch<const char *>(MArch.substr(offset))
- .Cases("v2", "v2a", "arm2")
- .Case("v3", "arm6")
- .Case("v3m", "arm7m")
- .Case("v4", "strongarm")
- .Case("v4t", "arm7tdmi")
- .Cases("v5", "v5t", "arm10tdmi")
- .Cases("v5e", "v5te", "arm1022e")
- .Case("v5tej", "arm926ej-s")
- .Case("v6", "arm1136jf-s")
- .Case("v6j", "arm1136j-s")
- .Cases("v6k", "v6z", "v6zk", "arm1176jzf-s")
- .Case("v6t2", "arm1156t2-s")
- .Cases("v6m", "v6-m", "v6sm", "v6s-m", "cortex-m0")
- .Cases("v7", "v7a", "v7-a", "v7l", "v7-l", "cortex-a8")
- .Cases("v7s", "v7-s", "swift")
- .Cases("v7r", "v7-r", "cortex-r4")
- .Cases("v7m", "v7-m", "cortex-m3")
- .Cases("v7em", "v7e-m", "cortex-m4")
- .Cases("v8", "v8a", "v8-a", "cortex-a53")
- .Default(nullptr);
- else
- result = llvm::StringSwitch<const char *>(MArch)
- .Case("ep9312", "ep9312")
- .Case("iwmmxt", "iwmmxt")
- .Case("xscale", "xscale")
- .Default(nullptr);
-
- if (result)
- return result;
-
- // If all else failed, return the most base CPU with thumb interworking
- // supported by LLVM.
- // FIXME: Should warn once that we're falling back.
+ if (MArch.empty())
+ return StringRef();
+
+ StringRef CPU = ARM::getDefaultCPU(MArch);
+ if (!CPU.empty())
+ return CPU;
+
+ // If no specific architecture version is requested, return the minimum CPU
+ // required by the OS and environment.
switch (getOS()) {
case llvm::Triple::NetBSD:
switch (getEnvironment()) {
default:
return "strongarm";
}
+ case llvm::Triple::NaCl:
+ return "cortex-a8";
default:
switch (getEnvironment()) {
case llvm::Triple::EABIHF:
return "arm7tdmi";
}
}
+
+ llvm_unreachable("invalid arch name");
}
projects / oota-llvm.git / blobdiff