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📄 AArch64TargetParser.cpp(8 KB)
📄 ABIBreak.cpp(811 B)
📄 AMDGPUMetadata.cpp(9.37 KB)
📄 APFloat.cpp(155.26 KB)
📄 APInt.cpp(98.08 KB)
📄 APSInt.cpp(1.44 KB)
📄 ARMAttributeParser.cpp(13.94 KB)
📄 ARMBuildAttrs.cpp(3.45 KB)
📄 ARMTargetParser.cpp(18.09 KB)
📄 ARMWinEH.cpp(1.08 KB)
📄 Allocator.cpp(1.35 KB)
📄 Atomic.cpp(1.6 KB)
📄 BinaryStreamError.cpp(1.76 KB)
📄 BinaryStreamReader.cpp(5.24 KB)
📄 BinaryStreamRef.cpp(4.76 KB)
📄 BinaryStreamWriter.cpp(3.36 KB)
📄 BlockFrequency.cpp(2.12 KB)
📄 BranchProbability.cpp(3.44 KB)
📄 BuryPointer.cpp(1.11 KB)
📄 COM.cpp(737 B)
📄 COPYRIGHT.regex(2.65 KB)
📄 CRC.cpp(5.23 KB)
📄 CachePruning.cpp(10.33 KB)
📄 Chrono.cpp(3.17 KB)
📄 CodeGenCoverage.cpp(3.61 KB)
📄 CommandLine.cpp(89.06 KB)
📄 Compression.cpp(3.84 KB)
📄 ConvertUTF.cpp(27.27 KB)
📄 ConvertUTFWrapper.cpp(8.66 KB)
📄 CrashRecoveryContext.cpp(15.45 KB)
📄 DAGDeltaAlgorithm.cpp(12.47 KB)
📄 DJB.cpp(2.71 KB)
📄 DataExtractor.cpp(7.25 KB)
📄 Debug.cpp(5.64 KB)
📄 DebugCounter.cpp(4.95 KB)
📄 DeltaAlgorithm.cpp(3.41 KB)
📄 DynamicLibrary.cpp(6.25 KB)
📄 ELFAttributeParser.cpp(7.27 KB)
📄 ELFAttributes.cpp(1.27 KB)
📄 Errno.cpp(2.18 KB)
📄 Error.cpp(4.72 KB)
📄 ErrorHandling.cpp(11.08 KB)
📄 ExtensibleRTTI.cpp(446 B)
📄 FileCheck.cpp(95.77 KB)
📄 FileCheckImpl.h(34.14 KB)
📄 FileCollector.cpp(9.01 KB)
📄 FileOutputBuffer.cpp(6.62 KB)
📄 FileUtilities.cpp(10.81 KB)
📄 FoldingSet.cpp(15.89 KB)
📄 FormatVariadic.cpp(5.17 KB)
📄 FormattedStream.cpp(5.29 KB)
📄 GlobPattern.cpp(5 KB)
📄 GraphWriter.cpp(9.21 KB)
📄 Hashing.cpp(1.16 KB)
📄 Host.cpp(51.63 KB)
📄 InitLLVM.cpp(1.92 KB)
📄 IntEqClasses.cpp(2.18 KB)
📄 IntervalMap.cpp(4.4 KB)
📄 ItaniumManglingCanonicalizer.cpp(10.77 KB)
📄 JSON.cpp(19.1 KB)
📄 KnownBits.cpp(3.78 KB)
📄 LEB128.cpp(1.19 KB)
📄 LineIterator.cpp(2.61 KB)
📄 Locale.cpp(377 B)
📄 LockFileManager.cpp(10.64 KB)
📄 LowLevelType.cpp(2.09 KB)
📄 MD5.cpp(8.99 KB)
📄 ManagedStatic.cpp(2.37 KB)
📄 MathExtras.cpp(913 B)
📄 MemAlloc.cpp(1.01 KB)
📄 Memory.cpp(1.57 KB)
📄 MemoryBuffer.cpp(18.99 KB)
📄 NativeFormatting.cpp(7.54 KB)
📄 OptimizedStructLayout.cpp(16.7 KB)
📄 Optional.cpp(530 B)
📄 Parallel.cpp(5.08 KB)
📄 Path.cpp(36.52 KB)
📄 PluginLoader.cpp(1.63 KB)
📄 PrettyStackTrace.cpp(10.33 KB)
📄 Process.cpp(3.27 KB)
📄 Program.cpp(3.54 KB)
📄 RISCVAttributeParser.cpp(2.06 KB)
📄 RISCVAttributes.cpp(970 B)
📄 RWMutex.cpp(3.23 KB)
📄 RandomNumberGenerator.cpp(2.86 KB)
📄 Regex.cpp(6.38 KB)
📄 SHA1.cpp(10.43 KB)
📄 ScaledNumber.cpp(9.09 KB)
📄 ScopedPrinter.cpp(1.19 KB)
📄 Signals.cpp(8.35 KB)
📄 Signposts.cpp(3.24 KB)
📄 SmallPtrSet.cpp(9.21 KB)
📄 SmallVector.cpp(3.99 KB)
📄 SourceMgr.cpp(20.08 KB)
📄 SpecialCaseList.cpp(7.48 KB)
📄 Statistic.cpp(8.85 KB)
📄 StringExtras.cpp(4.34 KB)
📄 StringMap.cpp(9.31 KB)
📄 StringRef.cpp(17.41 KB)
📄 StringSaver.cpp(882 B)
📄 SuffixTree.cpp(7.23 KB)
📄 SymbolRemappingReader.cpp(2.94 KB)
📄 SystemUtils.cpp(1.06 KB)
📄 TarWriter.cpp(7.23 KB)
📄 TargetParser.cpp(9.86 KB)
📄 TargetRegistry.cpp(4.6 KB)
📄 ThreadLocal.cpp(1.68 KB)
📄 ThreadPool.cpp(4.4 KB)
📄 Threading.cpp(4.55 KB)
📄 TimeProfiler.cpp(11.63 KB)
📄 Timer.cpp(14.14 KB)
📄 ToolOutputFile.cpp(1.83 KB)
📄 TrigramIndex.cpp(3.24 KB)
📄 Triple.cpp(53.17 KB)
📄 Twine.cpp(4.6 KB)
📄 Unicode.cpp(20.14 KB)
📄 UnicodeCaseFold.cpp(15.32 KB)
📁 Unix
📄 Valgrind.cpp(1.6 KB)
📄 VersionTuple.cpp(2.74 KB)
📄 VirtualFileSystem.cpp(74.17 KB)
📄 Watchdog.cpp(738 B)
📁 Windows
📄 WithColor.cpp(4.35 KB)
📄 X86TargetParser.cpp(27.21 KB)
📄 YAMLParser.cpp(68.53 KB)
📄 YAMLTraits.cpp(28.37 KB)
📄 Z3Solver.cpp(31.44 KB)
📄 circular_raw_ostream.cpp(1.3 KB)
📄 raw_os_ostream.cpp(995 B)
📄 raw_ostream.cpp(28.97 KB)
📄 regcomp.c(39.42 KB)
📄 regengine.inc(26.49 KB)
📄 regerror.c(4.42 KB)
📄 regex2.h(6.82 KB)
📄 regex_impl.h(3.63 KB)
📄 regexec.c(5.71 KB)
📄 regfree.c(2.49 KB)
📄 regstrlcpy.c(1.56 KB)
📄 regutils.h(2.25 KB)
📄 xxhash.cpp(4.07 KB)

Editing: AArch64TargetParser.cpp

//===-- AArch64TargetParser - Parser for AArch64 features -------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements a target parser to recognise AArch64 hardware features
// such as FPU/CPU/ARCH and extension names.
//
//===----------------------------------------------------------------------===//

#include "llvm/Support/AArch64TargetParser.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include <cctype>

using namespace llvm;

static unsigned checkArchVersion(llvm::StringRef Arch) {
  if (Arch.size() >= 2 && Arch[0] == 'v' && std::isdigit(Arch[1]))
    return (Arch[1] - 48);
  return 0;
}

unsigned AArch64::getDefaultFPU(StringRef CPU, AArch64::ArchKind AK) {
  if (CPU == "generic")
    return AArch64ARCHNames[static_cast<unsigned>(AK)].DefaultFPU;

return StringSwitch<unsigned>(CPU)
#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)       \
  .Case(NAME, ARM::DEFAULT_FPU)
#include "../../include/llvm/Support/AArch64TargetParser.def"
  .Default(ARM::FK_INVALID);
}

unsigned AArch64::getDefaultExtensions(StringRef CPU, AArch64::ArchKind AK) {
  if (CPU == "generic")
    return AArch64ARCHNames[static_cast<unsigned>(AK)].ArchBaseExtensions;

return StringSwitch<unsigned>(CPU)
#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)       \
  .Case(NAME, AArch64ARCHNames[static_cast<unsigned>(ArchKind::ID)]            \
                      .ArchBaseExtensions |                                    \
                  DEFAULT_EXT)
#include "../../include/llvm/Support/AArch64TargetParser.def"
  .Default(AArch64::AEK_INVALID);
}

AArch64::ArchKind AArch64::getCPUArchKind(StringRef CPU) {
  if (CPU == "generic")
    return ArchKind::ARMV8A;

return StringSwitch<AArch64::ArchKind>(CPU)
#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)       \
  .Case(NAME, ArchKind::ID)
#include "../../include/llvm/Support/AArch64TargetParser.def"
  .Default(ArchKind::INVALID);
}

bool AArch64::getExtensionFeatures(unsigned Extensions,
                                   std::vector<StringRef> &Features) {
  if (Extensions == AArch64::AEK_INVALID)
    return false;

if (Extensions & AEK_FP)
    Features.push_back("+fp-armv8");
  if (Extensions & AEK_SIMD)
    Features.push_back("+neon");
  if (Extensions & AEK_CRC)
    Features.push_back("+crc");
  if (Extensions & AEK_CRYPTO)
    Features.push_back("+crypto");
  if (Extensions & AEK_DOTPROD)
    Features.push_back("+dotprod");
  if (Extensions & AEK_FP16FML)
    Features.push_back("+fp16fml");
  if (Extensions & AEK_FP16)
    Features.push_back("+fullfp16");
  if (Extensions & AEK_PROFILE)
    Features.push_back("+spe");
  if (Extensions & AEK_RAS)
    Features.push_back("+ras");
  if (Extensions & AEK_LSE)
    Features.push_back("+lse");
  if (Extensions & AEK_RDM)
    Features.push_back("+rdm");
  if (Extensions & AEK_SVE)
    Features.push_back("+sve");
  if (Extensions & AEK_SVE2)
    Features.push_back("+sve2");
  if (Extensions & AEK_SVE2AES)
    Features.push_back("+sve2-aes");
  if (Extensions & AEK_SVE2SM4)
    Features.push_back("+sve2-sm4");
  if (Extensions & AEK_SVE2SHA3)
    Features.push_back("+sve2-sha3");
  if (Extensions & AEK_SVE2BITPERM)
    Features.push_back("+sve2-bitperm");
  if (Extensions & AEK_RCPC)
    Features.push_back("+rcpc");

return true;
}

bool AArch64::getArchFeatures(AArch64::ArchKind AK,
                              std::vector<StringRef> &Features) {
  if (AK == ArchKind::ARMV8_1A)
    Features.push_back("+v8.1a");
  if (AK == ArchKind::ARMV8_2A)
    Features.push_back("+v8.2a");
  if (AK == ArchKind::ARMV8_3A)
    Features.push_back("+v8.3a");
  if (AK == ArchKind::ARMV8_4A)
    Features.push_back("+v8.4a");
  if (AK == ArchKind::ARMV8_5A)
    Features.push_back("+v8.5a");
  if (AK == AArch64::ArchKind::ARMV8_6A)
    Features.push_back("+v8.6a");

return AK != ArchKind::INVALID;
}

StringRef AArch64::getArchName(AArch64::ArchKind AK) {
  return AArch64ARCHNames[static_cast<unsigned>(AK)].getName();
}

StringRef AArch64::getCPUAttr(AArch64::ArchKind AK) {
  return AArch64ARCHNames[static_cast<unsigned>(AK)].getCPUAttr();
}

StringRef AArch64::getSubArch(AArch64::ArchKind AK) {
  return AArch64ARCHNames[static_cast<unsigned>(AK)].getSubArch();
}

unsigned AArch64::getArchAttr(AArch64::ArchKind AK) {
  return AArch64ARCHNames[static_cast<unsigned>(AK)].ArchAttr;
}

StringRef AArch64::getArchExtName(unsigned ArchExtKind) {
  for (const auto &AE : AArch64ARCHExtNames)
    if (ArchExtKind == AE.ID)
      return AE.getName();
  return StringRef();
}

StringRef AArch64::getArchExtFeature(StringRef ArchExt) {
  if (ArchExt.startswith("no")) {
    StringRef ArchExtBase(ArchExt.substr(2));
    for (const auto &AE : AArch64ARCHExtNames) {
      if (AE.NegFeature && ArchExtBase == AE.getName())
        return StringRef(AE.NegFeature);
    }
  }

for (const auto &AE : AArch64ARCHExtNames)
    if (AE.Feature && ArchExt == AE.getName())
      return StringRef(AE.Feature);
  return StringRef();
}

StringRef AArch64::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 : AArch64CPUNames)
    if (CPU.ArchID == AK && CPU.Default)
      return CPU.getName();

// If we can't find a default then target the architecture instead
  return "generic";
}

void AArch64::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values) {
  for (const auto &Arch : AArch64CPUNames) {
    if (Arch.ArchID != ArchKind::INVALID)
      Values.push_back(Arch.getName());
  }
}

bool AArch64::isX18ReservedByDefault(const Triple &TT) {
  return TT.isAndroid() || TT.isOSDarwin() || TT.isOSFuchsia() ||
         TT.isOSWindows();
}

// Allows partial match, ex. "v8a" matches "armv8a".
AArch64::ArchKind AArch64::parseArch(StringRef Arch) {
  Arch = ARM::getCanonicalArchName(Arch);
  if (checkArchVersion(Arch) < 8)
    return ArchKind::INVALID;

StringRef Syn = ARM::getArchSynonym(Arch);
  for (const auto &A : AArch64ARCHNames) {
    if (A.getName().endswith(Syn))
      return A.ID;
  }
  return ArchKind::INVALID;
}

AArch64::ArchExtKind AArch64::parseArchExt(StringRef ArchExt) {
  for (const auto &A : AArch64ARCHExtNames) {
    if (ArchExt == A.getName())
      return static_cast<ArchExtKind>(A.ID);
  }
  return AArch64::AEK_INVALID;
}

AArch64::ArchKind AArch64::parseCPUArch(StringRef CPU) {
  for (const auto &C : AArch64CPUNames) {
    if (CPU == C.getName())
      return C.ArchID;
  }
  return ArchKind::INVALID;
}

// Parse a branch protection specification, which has the form
//   standard | none | [bti,pac-ret[+b-key,+leaf]*]
// Returns true on success, with individual elements of the specification
// returned in `PBP`. Returns false in error, with `Err` containing
// an erroneous part of the spec.
bool AArch64::parseBranchProtection(StringRef Spec, ParsedBranchProtection &PBP,
                                    StringRef &Err) {
  PBP = {"none", "a_key", false};
  if (Spec == "none")
    return true; // defaults are ok

if (Spec == "standard") {
    PBP.Scope = "non-leaf";
    PBP.BranchTargetEnforcement = true;
    return true;
  }

SmallVector<StringRef, 4> Opts;
  Spec.split(Opts, "+");
  for (int I = 0, E = Opts.size(); I != E; ++I) {
    StringRef Opt = Opts[I].trim();
    if (Opt == "bti") {
      PBP.BranchTargetEnforcement = true;
      continue;
    }
    if (Opt == "pac-ret") {
      PBP.Scope = "non-leaf";
      for (; I + 1 != E; ++I) {
        StringRef PACOpt = Opts[I + 1].trim();
        if (PACOpt == "leaf")
          PBP.Scope = "all";
        else if (PACOpt == "b-key")
          PBP.Key = "b_key";
        else
          break;
      }
      continue;
    }
    if (Opt == "")
      Err = "<empty>";
    else
      Err = Opt;
    return false;
  }

return true;
}

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Editing: AArch64TargetParser.cpp

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