1 files changed, 0 insertions, 577 deletions
diff --git a/gnu/llvm/lib/Support/ARMTargetParser.cpp b/gnu/llvm/lib/Support/ARMTargetParser.cpp
deleted file mode 100644
index 07294b0c09a..00000000000
--- a/gnu/llvm/lib/Support/ARMTargetParser.cpp
+++ /dev/null
@@ -1,577 +0,0 @@
-//===-- ARMTargetParser - Parser for ARM target features --------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements a target parser to recognise ARM hardware features
-// such as FPU/CPU/ARCH/extensions and specific support such as HWDIV.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/ARMTargetParser.h"
-#include "llvm/ADT/StringSwitch.h"
-#include <cctype>
-
-using namespace llvm;
-
-static StringRef getHWDivSynonym(StringRef HWDiv) {
-  return StringSwitch<StringRef>(HWDiv)
-      .Case("thumb,arm", "arm,thumb")
-      .Default(HWDiv);
-}
-
-// Allows partial match, ex. "v7a" matches "armv7a".
-ARM::ArchKind ARM::parseArch(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  StringRef Syn = getArchSynonym(Arch);
-  for (const auto A : ARCHNames) {
-    if (A.getName().endswith(Syn))
-      return A.ID;
-  }
-  return ArchKind::INVALID;
-}
-
-// Version number (ex. v7 = 7).
-unsigned ARM::parseArchVersion(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  switch (parseArch(Arch)) {
-  case ArchKind::ARMV2:
-  case ArchKind::ARMV2A:
-    return 2;
-  case ArchKind::ARMV3:
-  case ArchKind::ARMV3M:
-    return 3;
-  case ArchKind::ARMV4:
-  case ArchKind::ARMV4T:
-    return 4;
-  case ArchKind::ARMV5T:
-  case ArchKind::ARMV5TE:
-  case ArchKind::IWMMXT:
-  case ArchKind::IWMMXT2:
-  case ArchKind::XSCALE:
-  case ArchKind::ARMV5TEJ:
-    return 5;
-  case ArchKind::ARMV6:
-  case ArchKind::ARMV6K:
-  case ArchKind::ARMV6T2:
-  case ArchKind::ARMV6KZ:
-  case ArchKind::ARMV6M:
-    return 6;
-  case ArchKind::ARMV7A:
-  case ArchKind::ARMV7VE:
-  case ArchKind::ARMV7R:
-  case ArchKind::ARMV7M:
-  case ArchKind::ARMV7S:
-  case ArchKind::ARMV7EM:
-  case ArchKind::ARMV7K:
-    return 7;
-  case ArchKind::ARMV8A:
-  case ArchKind::ARMV8_1A:
-  case ArchKind::ARMV8_2A:
-  case ArchKind::ARMV8_3A:
-  case ArchKind::ARMV8_4A:
-  case ArchKind::ARMV8_5A:
-  case ArchKind::ARMV8R:
-  case ArchKind::ARMV8MBaseline:
-  case ArchKind::ARMV8MMainline:
-    return 8;
-  case ArchKind::INVALID:
-    return 0;
-  }
-  llvm_unreachable("Unhandled architecture");
-}
-
-// Profile A/R/M
-ARM::ProfileKind ARM::parseArchProfile(StringRef Arch) {
-  Arch = getCanonicalArchName(Arch);
-  switch (parseArch(Arch)) {
-  case ArchKind::ARMV6M:
-  case ArchKind::ARMV7M:
-  case ArchKind::ARMV7EM:
-  case ArchKind::ARMV8MMainline:
-  case ArchKind::ARMV8MBaseline:
-    return ProfileKind::M;
-  case ArchKind::ARMV7R:
-  case ArchKind::ARMV8R:
-    return ProfileKind::R;
-  case ArchKind::ARMV7A:
-  case ArchKind::ARMV7VE:
-  case ArchKind::ARMV7K:
-  case ArchKind::ARMV8A:
-  case ArchKind::ARMV8_1A:
-  case ArchKind::ARMV8_2A:
-  case ArchKind::ARMV8_3A:
-  case ArchKind::ARMV8_4A:
-  case ArchKind::ARMV8_5A:
-    return ProfileKind::A;
-  case ArchKind::ARMV2:
-  case ArchKind::ARMV2A:
-  case ArchKind::ARMV3:
-  case ArchKind::ARMV3M:
-  case ArchKind::ARMV4:
-  case ArchKind::ARMV4T:
-  case ArchKind::ARMV5T:
-  case ArchKind::ARMV5TE:
-  case ArchKind::ARMV5TEJ:
-  case ArchKind::ARMV6:
-  case ArchKind::ARMV6K:
-  case ArchKind::ARMV6T2:
-  case ArchKind::ARMV6KZ:
-  case ArchKind::ARMV7S:
-  case ArchKind::IWMMXT:
-  case ArchKind::IWMMXT2:
-  case ArchKind::XSCALE:
-  case ArchKind::INVALID:
-    return ProfileKind::INVALID;
-  }
-  llvm_unreachable("Unhandled architecture");
-}
-
-StringRef ARM::getArchSynonym(StringRef Arch) {
-  return StringSwitch<StringRef>(Arch)
-      .Case("v5", "v5t")
-      .Case("v5e", "v5te")
-      .Case("v6j", "v6")
-      .Case("v6hl", "v6k")
-      .Cases("v6m", "v6sm", "v6s-m", "v6-m")
-      .Cases("v6z", "v6zk", "v6kz")
-      .Cases("v7", "v7a", "v7hl", "v7l", "v7-a")
-      .Case("v7r", "v7-r")
-      .Case("v7m", "v7-m")
-      .Case("v7em", "v7e-m")
-      .Cases("v8", "v8a", "v8l", "aarch64", "arm64", "v8-a")
-      .Case("v8.1a", "v8.1-a")
-      .Case("v8.2a", "v8.2-a")
-      .Case("v8.3a", "v8.3-a")
-      .Case("v8.4a", "v8.4-a")
-      .Case("v8.5a", "v8.5-a")
-      .Case("v8r", "v8-r")
-      .Case("v8m.base", "v8-m.base")
-      .Case("v8m.main", "v8-m.main")
-      .Default(Arch);
-}
-
-bool ARM::getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features) {
-
-  if (FPUKind >= FK_LAST || FPUKind == FK_INVALID)
-    return false;
-
-  // fp-only-sp and d16 subtarget features are independent of each other, so we
-  // must enable/disable both.
-  switch (FPUNames[FPUKind].Restriction) {
-  case FPURestriction::SP_D16:
-    Features.push_back("+fp-only-sp");
-    Features.push_back("+d16");
-    break;
-  case FPURestriction::D16:
-    Features.push_back("-fp-only-sp");
-    Features.push_back("+d16");
-    break;
-  case FPURestriction::None:
-    Features.push_back("-fp-only-sp");
-    Features.push_back("-d16");
-    break;
-  }
-
-  // FPU version subtarget features are inclusive of lower-numbered ones, so
-  // enable the one corresponding to this version and disable all that are
-  // higher. We also have to make sure to disable fp16 when vfp4 is disabled,
-  // as +vfp4 implies +fp16 but -vfp4 does not imply -fp16.
-  switch (FPUNames[FPUKind].FPUVer) {
-  case FPUVersion::VFPV5:
-    Features.push_back("+fp-armv8");
-    break;
-  case FPUVersion::VFPV4:
-    Features.push_back("+vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case FPUVersion::VFPV3_FP16:
-    Features.push_back("+vfp3");
-    Features.push_back("+fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case FPUVersion::VFPV3:
-    Features.push_back("+vfp3");
-    Features.push_back("-fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case FPUVersion::VFPV2:
-    Features.push_back("+vfp2");
-    Features.push_back("-vfp3");
-    Features.push_back("-fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  case FPUVersion::NONE:
-    Features.push_back("-vfp2");
-    Features.push_back("-vfp3");
-    Features.push_back("-fp16");
-    Features.push_back("-vfp4");
-    Features.push_back("-fp-armv8");
-    break;
-  }
-
-  // crypto includes neon, so we handle this similarly to FPU version.
-  switch (FPUNames[FPUKind].NeonSupport) {
-  case NeonSupportLevel::Crypto:
-    Features.push_back("+neon");
-    Features.push_back("+crypto");
-    break;
-  case NeonSupportLevel::Neon:
-    Features.push_back("+neon");
-    Features.push_back("-crypto");
-    break;
-  case NeonSupportLevel::None:
-    Features.push_back("-neon");
-    Features.push_back("-crypto");
-    break;
-  }
-
-  return true;
-}
-
-// Little/Big endian
-ARM::EndianKind ARM::parseArchEndian(StringRef Arch) {
-  if (Arch.startswith("armeb") || Arch.startswith("thumbeb") ||
-      Arch.startswith("aarch64_be"))
-    return EndianKind::BIG;
-
-  if (Arch.startswith("arm") || Arch.startswith("thumb")) {
-    if (Arch.endswith("eb"))
-      return EndianKind::BIG;
-    else
-      return EndianKind::LITTLE;
-  }
-
-  if (Arch.startswith("aarch64"))
-    return EndianKind::LITTLE;
-
-  return EndianKind::INVALID;
-}
-
-// ARM, Thumb, AArch64
-ARM::ISAKind ARM::parseArchISA(StringRef Arch) {
-  return StringSwitch<ISAKind>(Arch)
-      .StartsWith("aarch64", ISAKind::AARCH64)
-      .StartsWith("arm64", ISAKind::AARCH64)
-      .StartsWith("thumb", ISAKind::THUMB)
-      .StartsWith("arm", ISAKind::ARM)
-      .Default(ISAKind::INVALID);
-}
-
-unsigned ARM::parseFPU(StringRef FPU) {
-  StringRef Syn = getFPUSynonym(FPU);
-  for (const auto F : FPUNames) {
-    if (Syn == F.getName())
-      return F.ID;
-  }
-  return FK_INVALID;
-}
-
-ARM::NeonSupportLevel ARM::getFPUNeonSupportLevel(unsigned FPUKind) {
-  if (FPUKind >= FK_LAST)
-    return NeonSupportLevel::None;
-  return FPUNames[FPUKind].NeonSupport;
-}
-
-// MArch is expected to be of the form (arm|thumb)?(eb)?(v.+)?(eb)?, but
-// (iwmmxt|xscale)(eb)? is also permitted. If the former, return
-// "v.+", if the latter, return unmodified string, minus 'eb'.
-// If invalid, return empty string.
-StringRef ARM::getCanonicalArchName(StringRef Arch) {
-  size_t offset = StringRef::npos;
-  StringRef A = Arch;
-  StringRef Error = "";
-
-  // Begins with "arm" / "thumb", move past it.
-  if (A.startswith("arm64"))
-    offset = 5;
-  else if (A.startswith("arm"))
-    offset = 3;
-  else if (A.startswith("thumb"))
-    offset = 5;
-  else if (A.startswith("aarch64")) {
-    offset = 7;
-    // AArch64 uses "_be", not "eb" suffix.
-    if (A.find("eb") != StringRef::npos)
-      return Error;
-    if (A.substr(offset, 3) == "_be")
-      offset += 3;
-  }
-
-  // Ex. "armebv7", move past the "eb".
-  if (offset != StringRef::npos && A.substr(offset, 2) == "eb")
-    offset += 2;
-  // Or, if it ends with eb ("armv7eb"), chop it off.
-  else if (A.endswith("eb"))
-    A = A.substr(0, A.size() - 2);
-  // Trim the head
-  if (offset != StringRef::npos)
-    A = A.substr(offset);
-
-  // Empty string means offset reached the end, which means it's valid.
-  if (A.empty())
-    return Arch;
-
-  // Only match non-marketing names
-  if (offset != StringRef::npos) {
-    // Must start with 'vN'.
-    if (A.size() >= 2 && (A[0] != 'v' || !std::isdigit(A[1])))
-      return Error;
-    // Can't have an extra 'eb'.
-    if (A.find("eb") != StringRef::npos)
-      return Error;
-  }
-
-  // Arch will either be a 'v' name (v7a) or a marketing name (xscale).
-  return A;
-}
-
-StringRef ARM::getFPUSynonym(StringRef FPU) {
-  return StringSwitch<StringRef>(FPU)
-      .Cases("fpa", "fpe2", "fpe3", "maverick", "invalid") // Unsupported
-      .Case("vfp2", "vfpv2")
-      .Case("vfp3", "vfpv3")
-      .Case("vfp4", "vfpv4")
-      .Case("vfp3-d16", "vfpv3-d16")
-      .Case("vfp4-d16", "vfpv4-d16")
-      .Cases("fp4-sp-d16", "vfpv4-sp-d16", "fpv4-sp-d16")
-      .Cases("fp4-dp-d16", "fpv4-dp-d16", "vfpv4-d16")
-      .Case("fp5-sp-d16", "fpv5-sp-d16")
-      .Cases("fp5-dp-d16", "fpv5-dp-d16", "fpv5-d16")
-      // FIXME: Clang uses it, but it's bogus, since neon defaults to vfpv3.
-      .Case("neon-vfpv3", "neon")
-      .Default(FPU);
-}
-
-StringRef ARM::getFPUName(unsigned FPUKind) {
-  if (FPUKind >= FK_LAST)
-    return StringRef();
-  return FPUNames[FPUKind].getName();
-}
-
-ARM::FPUVersion ARM::getFPUVersion(unsigned FPUKind) {
-  if (FPUKind >= FK_LAST)
-    return FPUVersion::NONE;
-  return FPUNames[FPUKind].FPUVer;
-}
-
-ARM::FPURestriction ARM::getFPURestriction(unsigned FPUKind) {
-  if (FPUKind >= FK_LAST)
-    return FPURestriction::None;
-  return FPUNames[FPUKind].Restriction;
-}
-
-unsigned ARM::getDefaultFPU(StringRef CPU, ARM::ArchKind AK) {
-  if (CPU == "generic")
-    return ARM::ARCHNames[static_cast<unsigned>(AK)].DefaultFPU;
-
-  return StringSwitch<unsigned>(CPU)
-#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)           \
-  .Case(NAME, DEFAULT_FPU)
-#include "llvm/Support/ARMTargetParser.def"
-   .Default(ARM::FK_INVALID);
-}
-
-unsigned ARM::getDefaultExtensions(StringRef CPU, ARM::ArchKind AK) {
-  if (CPU == "generic")
-    return ARM::ARCHNames[static_cast<unsigned>(AK)].ArchBaseExtensions;
-
-  return StringSwitch<unsigned>(CPU)
-#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)           \
-  .Case(NAME,                                                                  \
-        ARCHNames[static_cast<unsigned>(ArchKind::ID)].ArchBaseExtensions |    \
-            DEFAULT_EXT)
-#include "llvm/Support/ARMTargetParser.def"
-  .Default(ARM::AEK_INVALID);
-}
-
-bool ARM::getHWDivFeatures(unsigned HWDivKind,
-                           std::vector<StringRef> &Features) {
-
-  if (HWDivKind == AEK_INVALID)
-    return false;
-
-  if (HWDivKind & AEK_HWDIVARM)
-    Features.push_back("+hwdiv-arm");
-  else
-    Features.push_back("-hwdiv-arm");
-
-  if (HWDivKind & AEK_HWDIVTHUMB)
-    Features.push_back("+hwdiv");
-  else
-    Features.push_back("-hwdiv");
-
-  return true;
-}
-
-bool ARM::getExtensionFeatures(unsigned Extensions,
-                               std::vector<StringRef> &Features) {
-
-  if (Extensions == AEK_INVALID)
-    return false;
-
-  if (Extensions & AEK_CRC)
-    Features.push_back("+crc");
-  else
-    Features.push_back("-crc");
-
-  if (Extensions & AEK_DSP)
-    Features.push_back("+dsp");
-  else
-    Features.push_back("-dsp");
-
-  if (Extensions & AEK_FP16FML)
-    Features.push_back("+fp16fml");
-  else
-    Features.push_back("-fp16fml");
-
-  if (Extensions & AEK_RAS)
-    Features.push_back("+ras");
-  else
-    Features.push_back("-ras");
-
-  if (Extensions & AEK_DOTPROD)
-    Features.push_back("+dotprod");
-  else
-    Features.push_back("-dotprod");
-
-  return getHWDivFeatures(Extensions, Features);
-}
-
-StringRef ARM::getArchName(ARM::ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].getName();
-}
-
-StringRef ARM::getCPUAttr(ARM::ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].getCPUAttr();
-}
-
-StringRef ARM::getSubArch(ARM::ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].getSubArch();
-}
-
-unsigned ARM::getArchAttr(ARM::ArchKind AK) {
-  return ARCHNames[static_cast<unsigned>(AK)].ArchAttr;
-}
-
-StringRef ARM::getArchExtName(unsigned ArchExtKind) {
-  for (const auto AE : ARCHExtNames) {
-    if (ArchExtKind == AE.ID)
-      return AE.getName();
-  }
-  return StringRef();
-}
-
-StringRef ARM::getArchExtFeature(StringRef ArchExt) {
-  if (ArchExt.startswith("no")) {
-    StringRef ArchExtBase(ArchExt.substr(2));
-    for (const auto AE : ARCHExtNames) {
-      if (AE.NegFeature && ArchExtBase == AE.getName())
-        return StringRef(AE.NegFeature);
-    }
-  }
-  for (const auto AE : ARCHExtNames) {
-    if (AE.Feature && ArchExt == AE.getName())
-      return StringRef(AE.Feature);
-  }
-
-  return StringRef();
-}
-
-StringRef ARM::getHWDivName(unsigned HWDivKind) {
-  for (const auto D : HWDivNames) {
-    if (HWDivKind == D.ID)
-      return D.getName();
-  }
-  return StringRef();
-}
-
-StringRef ARM::getDefaultCPU(StringRef Arch) {
-  ArchKind AK = parseArch(Arch);
-  if (AK == ArchKind::INVALID)
-    return StringRef();
-
-  // Look for multiple AKs to find the default for pair AK+Name.
-  for (const auto CPU : CPUNames) {
-    if (CPU.ArchID == AK && CPU.Default)
-      return CPU.getName();
-  }
-
-  // If we can't find a default then target the architecture instead
-  return "generic";
-}
-
-unsigned ARM::parseHWDiv(StringRef HWDiv) {
-  StringRef Syn = getHWDivSynonym(HWDiv);
-  for (const auto D : HWDivNames) {
-    if (Syn == D.getName())
-      return D.ID;
-  }
-  return AEK_INVALID;
-}
-
-unsigned ARM::parseArchExt(StringRef ArchExt) {
-  for (const auto A : ARCHExtNames) {
-    if (ArchExt == A.getName())
-      return A.ID;
-  }
-  return AEK_INVALID;
-}
-
-ARM::ArchKind ARM::parseCPUArch(StringRef CPU) {
-  for (const auto C : CPUNames) {
-    if (CPU == C.getName())
-      return C.ArchID;
-  }
-  return ArchKind::INVALID;
-}
-
-void ARM::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values) {
-  for (const CpuNames<ArchKind> &Arch : CPUNames) {
-    if (Arch.ArchID != ArchKind::INVALID)
-      Values.push_back(Arch.getName());
-  }
-}
-
-StringRef ARM::computeDefaultTargetABI(const Triple &TT, StringRef CPU) {
-  StringRef ArchName =
-      CPU.empty() ? TT.getArchName() : getArchName(parseCPUArch(CPU));
-
-  if (TT.isOSBinFormatMachO()) {
-    if (TT.getEnvironment() == Triple::EABI ||
-        TT.getOS() == Triple::UnknownOS ||
-        parseArchProfile(ArchName) == ProfileKind::M)
-      return "aapcs";
-    if (TT.isWatchABI())
-      return "aapcs16";
-    return "apcs-gnu";
-  } else if (TT.isOSWindows())
-    // FIXME: this is invalid for WindowsCE.
-    return "aapcs";
-
-  // Select the default based on the platform.
-  switch (TT.getEnvironment()) {
-  case Triple::Android:
-  case Triple::GNUEABI:
-  case Triple::GNUEABIHF:
-  case Triple::MuslEABI:
-  case Triple::MuslEABIHF:
-    return "aapcs-linux";
-  case Triple::EABIHF:
-  case Triple::EABI:
-    return "aapcs";
-  default:
-    if (TT.isOSNetBSD())
-      return "apcs-gnu";
-    if (TT.isOSOpenBSD())
-      return "aapcs-linux";
-    return "aapcs";
-  }
-}