Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/clang/lib/Basic/Attributes.cpp

@@ -0,0 +1,28 @@
+#include "clang/Basic/Attributes.h"
+#include "clang/Basic/AttrSubjectMatchRules.h"
+#include "clang/Basic/IdentifierTable.h"
+#include "llvm/ADT/StringSwitch.h"
+using namespace clang;
+
+int clang::hasAttribute(AttrSyntax Syntax, const IdentifierInfo *Scope,
+                        const IdentifierInfo *Attr, const TargetInfo &Target,
+                        const LangOptions &LangOpts) {
+  StringRef Name = Attr->getName();
+  // Normalize the attribute name, __foo__ becomes foo.
+  if (Name.size() >= 4 && Name.startswith("__") && Name.endswith("__"))
+    Name = Name.substr(2, Name.size() - 4);
+
+#include "clang/Basic/AttrHasAttributeImpl.inc"
+
+  return 0;
+}
+
+const char *attr::getSubjectMatchRuleSpelling(attr::SubjectMatchRule Rule) {
+  switch (Rule) {
+#define ATTR_MATCH_RULE(NAME, SPELLING, IsAbstract)                            \
+  case attr::NAME:                                                             \
+    return SPELLING;
+#include "clang/Basic/AttrSubMatchRulesList.inc"
+  }
+  llvm_unreachable("Invalid subject match rule");
+}

external/llvm-project/clang/lib/Basic/Builtins.cpp

@@ -0,0 +1,141 @@
+//===--- Builtins.cpp - Builtin function implementation -------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file implements various things for builtin functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/Builtins.h"
+#include "clang/Basic/IdentifierTable.h"
+#include "clang/Basic/LangOptions.h"
+#include "clang/Basic/TargetInfo.h"
+#include "llvm/ADT/StringRef.h"
+using namespace clang;
+
+static const Builtin::Info BuiltinInfo[] = {
+  { "not a builtin function", nullptr, nullptr, nullptr, ALL_LANGUAGES,nullptr},
+#define BUILTIN(ID, TYPE, ATTRS)                                               \
+  { #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr },
+#define LANGBUILTIN(ID, TYPE, ATTRS, LANGS)                                    \
+  { #ID, TYPE, ATTRS, nullptr, LANGS, nullptr },
+#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER, LANGS)                             \
+  { #ID, TYPE, ATTRS, HEADER, LANGS, nullptr },
+#include "clang/Basic/Builtins.def"
+};
+
+const Builtin::Info &Builtin::Context::getRecord(unsigned ID) const {
+  if (ID < Builtin::FirstTSBuiltin)
+    return BuiltinInfo[ID];
+  assert(((ID - Builtin::FirstTSBuiltin) <
+          (TSRecords.size() + AuxTSRecords.size())) &&
+         "Invalid builtin ID!");
+  if (isAuxBuiltinID(ID))
+    return AuxTSRecords[getAuxBuiltinID(ID) - Builtin::FirstTSBuiltin];
+  return TSRecords[ID - Builtin::FirstTSBuiltin];
+}
+
+void Builtin::Context::InitializeTarget(const TargetInfo &Target,
+                                        const TargetInfo *AuxTarget) {
+  assert(TSRecords.empty() && "Already initialized target?");
+  TSRecords = Target.getTargetBuiltins();
+  if (AuxTarget)
+    AuxTSRecords = AuxTarget->getTargetBuiltins();
+}
+
+bool Builtin::Context::isBuiltinFunc(const char *Name) {
+  StringRef FuncName(Name);
+  for (unsigned i = Builtin::NotBuiltin + 1; i != Builtin::FirstTSBuiltin; ++i)
+    if (FuncName.equals(BuiltinInfo[i].Name))
+      return strchr(BuiltinInfo[i].Attributes, 'f') != nullptr;
+
+  return false;
+}
+
+bool Builtin::Context::builtinIsSupported(const Builtin::Info &BuiltinInfo,
+                                          const LangOptions &LangOpts) {
+  bool BuiltinsUnsupported =
+      (LangOpts.NoBuiltin || LangOpts.isNoBuiltinFunc(BuiltinInfo.Name)) &&
+      strchr(BuiltinInfo.Attributes, 'f');
+  bool MathBuiltinsUnsupported =
+    LangOpts.NoMathBuiltin && BuiltinInfo.HeaderName &&
+    llvm::StringRef(BuiltinInfo.HeaderName).equals("math.h");
+  bool GnuModeUnsupported = !LangOpts.GNUMode && (BuiltinInfo.Langs & GNU_LANG);
+  bool MSModeUnsupported =
+      !LangOpts.MicrosoftExt && (BuiltinInfo.Langs & MS_LANG);
+  bool ObjCUnsupported = !LangOpts.ObjC1 && BuiltinInfo.Langs == OBJC_LANG;
+  bool OclC1Unsupported = (LangOpts.OpenCLVersion / 100) != 1 &&
+                          (BuiltinInfo.Langs & ALL_OCLC_LANGUAGES ) ==  OCLC1X_LANG;
+  bool OclC2Unsupported = LangOpts.OpenCLVersion != 200 &&
+                          (BuiltinInfo.Langs & ALL_OCLC_LANGUAGES) == OCLC20_LANG;
+  bool OclCUnsupported = !LangOpts.OpenCL &&
+                         (BuiltinInfo.Langs & ALL_OCLC_LANGUAGES);
+  bool OpenMPUnsupported = !LangOpts.OpenMP && BuiltinInfo.Langs == OMP_LANG;
+  return !BuiltinsUnsupported && !MathBuiltinsUnsupported && !OclCUnsupported &&
+         !OclC1Unsupported && !OclC2Unsupported && !OpenMPUnsupported &&
+         !GnuModeUnsupported && !MSModeUnsupported && !ObjCUnsupported;
+}
+
+/// initializeBuiltins - Mark the identifiers for all the builtins with their
+/// appropriate builtin ID # and mark any non-portable builtin identifiers as
+/// such.
+void Builtin::Context::initializeBuiltins(IdentifierTable &Table,
+                                          const LangOptions& LangOpts) {
+  // Step #1: mark all target-independent builtins with their ID's.
+  for (unsigned i = Builtin::NotBuiltin+1; i != Builtin::FirstTSBuiltin; ++i)
+    if (builtinIsSupported(BuiltinInfo[i], LangOpts)) {
+      Table.get(BuiltinInfo[i].Name).setBuiltinID(i);
+    }
+
+  // Step #2: Register target-specific builtins.
+  for (unsigned i = 0, e = TSRecords.size(); i != e; ++i)
+    if (builtinIsSupported(TSRecords[i], LangOpts))
+      Table.get(TSRecords[i].Name).setBuiltinID(i + Builtin::FirstTSBuiltin);
+
+  // Step #3: Register target-specific builtins for AuxTarget.
+  for (unsigned i = 0, e = AuxTSRecords.size(); i != e; ++i)
+    Table.get(AuxTSRecords[i].Name)
+        .setBuiltinID(i + Builtin::FirstTSBuiltin + TSRecords.size());
+}
+
+void Builtin::Context::forgetBuiltin(unsigned ID, IdentifierTable &Table) {
+  Table.get(getRecord(ID).Name).setBuiltinID(0);
+}
+
+bool Builtin::Context::isLike(unsigned ID, unsigned &FormatIdx,
+                              bool &HasVAListArg, const char *Fmt) const {
+  assert(Fmt && "Not passed a format string");
+  assert(::strlen(Fmt) == 2 &&
+         "Format string needs to be two characters long");
+  assert(::toupper(Fmt[0]) == Fmt[1] &&
+         "Format string is not in the form \"xX\"");
+
+  const char *Like = ::strpbrk(getRecord(ID).Attributes, Fmt);
+  if (!Like)
+    return false;
+
+  HasVAListArg = (*Like == Fmt[1]);
+
+  ++Like;
+  assert(*Like == ':' && "Format specifier must be followed by a ':'");
+  ++Like;
+
+  assert(::strchr(Like, ':') && "Format specifier must end with a ':'");
+  FormatIdx = ::strtol(Like, nullptr, 10);
+  return true;
+}
+
+bool Builtin::Context::isPrintfLike(unsigned ID, unsigned &FormatIdx,
+                                    bool &HasVAListArg) {
+  return isLike(ID, FormatIdx, HasVAListArg, "pP");
+}
+
+bool Builtin::Context::isScanfLike(unsigned ID, unsigned &FormatIdx,
+                                   bool &HasVAListArg) {
+  return isLike(ID, FormatIdx, HasVAListArg, "sS");
+}

external/llvm-project/clang/lib/Basic/CMakeLists.txt

@@ -0,0 +1,101 @@
+set(LLVM_LINK_COMPONENTS
+  Core
+  MC
+  Support
+  )
+
+find_first_existing_vc_file(llvm_vc "${LLVM_MAIN_SRC_DIR}")
+find_first_existing_vc_file(clang_vc "${CLANG_SOURCE_DIR}")
+
+# The VC revision include that we want to generate.
+set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/SVNVersion.inc")
+
+set(get_svn_script "${LLVM_CMAKE_PATH}/GetSVN.cmake")
+
+if(DEFINED llvm_vc AND DEFINED clang_vc)
+  # Create custom target to generate the VC revision include.
+  add_custom_command(OUTPUT "${version_inc}"
+    DEPENDS "${llvm_vc}" "${clang_vc}" "${get_svn_script}"
+    COMMAND
+    ${CMAKE_COMMAND} "-DFIRST_SOURCE_DIR=${LLVM_MAIN_SRC_DIR}"
+                     "-DFIRST_NAME=LLVM"
+                     "-DSECOND_SOURCE_DIR=${CLANG_SOURCE_DIR}"
+                     "-DSECOND_NAME=SVN"
+                     "-DHEADER_FILE=${version_inc}"
+                     -P "${get_svn_script}")
+
+  # Mark the generated header as being generated.
+  set_source_files_properties("${version_inc}"
+    PROPERTIES GENERATED TRUE
+               HEADER_FILE_ONLY TRUE)
+
+  # Tell Version.cpp that it needs to build with -DHAVE_SVN_VERSION_INC.
+  set_source_files_properties(Version.cpp
+    PROPERTIES COMPILE_DEFINITIONS "HAVE_SVN_VERSION_INC")
+else()
+  # Not producing a VC revision include.
+  set(version_inc)
+
+  # Being able to force-set the SVN revision in cases where it isn't available
+  # is useful for performance tracking, and matches compatibility from autoconf.
+  if(SVN_REVISION)
+    set_source_files_properties(Version.cpp
+      PROPERTIES COMPILE_DEFINITIONS "SVN_REVISION=\"${SVN_REVISION}\"")
+  endif()
+endif()
+
+add_clang_library(clangBasic
+  Attributes.cpp
+  Builtins.cpp
+  CharInfo.cpp
+  Cuda.cpp
+  Diagnostic.cpp
+  DiagnosticIDs.cpp
+  DiagnosticOptions.cpp
+  FileManager.cpp
+  FileSystemStatCache.cpp
+  IdentifierTable.cpp
+  LangOptions.cpp
+  MemoryBufferCache.cpp
+  Module.cpp
+  ObjCRuntime.cpp
+  OpenMPKinds.cpp
+  OperatorPrecedence.cpp
+  SanitizerBlacklist.cpp
+  SanitizerSpecialCaseList.cpp
+  Sanitizers.cpp
+  SourceLocation.cpp
+  SourceManager.cpp
+  TargetInfo.cpp
+  Targets.cpp
+  Targets/AArch64.cpp
+  Targets/AMDGPU.cpp
+  Targets/ARM.cpp
+  Targets/AVR.cpp
+  Targets/BPF.cpp
+  Targets/Hexagon.cpp
+  Targets/Lanai.cpp
+  Targets/Le64.cpp
+  Targets/MSP430.cpp
+  Targets/Mips.cpp
+  Targets/NVPTX.cpp
+  Targets/Nios2.cpp
+  Targets/OSTargets.cpp
+  Targets/PNaCl.cpp
+  Targets/PPC.cpp
+  Targets/SPIR.cpp
+  Targets/Sparc.cpp
+  Targets/SystemZ.cpp
+  Targets/TCE.cpp
+  Targets/WebAssembly.cpp
+  Targets/X86.cpp
+  Targets/XCore.cpp
+  TokenKinds.cpp
+  Version.cpp
+  VersionTuple.cpp
+  VirtualFileSystem.cpp
+  Warnings.cpp
+  XRayLists.cpp
+  ${version_inc}
+  )
+

external/llvm-project/clang/lib/Basic/CharInfo.cpp

@@ -0,0 +1,81 @@
+//===--- CharInfo.cpp - Static Data for Classifying ASCII Characters ------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/CharInfo.h"
+
+using namespace clang::charinfo;
+
+// Statically initialize CharInfo table based on ASCII character set
+// Reference: FreeBSD 7.2 /usr/share/misc/ascii
+const uint16_t clang::charinfo::InfoTable[256] = {
+  // 0 NUL         1 SOH         2 STX         3 ETX
+  // 4 EOT         5 ENQ         6 ACK         7 BEL
+  0           , 0           , 0           , 0           ,
+  0           , 0           , 0           , 0           ,
+  // 8 BS          9 HT         10 NL         11 VT
+  //12 NP         13 CR         14 SO         15 SI
+  0           , CHAR_HORZ_WS, CHAR_VERT_WS, CHAR_HORZ_WS,
+  CHAR_HORZ_WS, CHAR_VERT_WS, 0           , 0           ,
+  //16 DLE        17 DC1        18 DC2        19 DC3
+  //20 DC4        21 NAK        22 SYN        23 ETB
+  0           , 0           , 0           , 0           ,
+  0           , 0           , 0           , 0           ,
+  //24 CAN        25 EM         26 SUB        27 ESC
+  //28 FS         29 GS         30 RS         31 US
+  0           , 0           , 0           , 0           ,
+  0           , 0           , 0           , 0           ,
+  //32 SP         33  !         34  "         35  #
+  //36  $         37  %         38  &         39  '
+  CHAR_SPACE  , CHAR_RAWDEL , CHAR_RAWDEL , CHAR_RAWDEL ,
+  CHAR_PUNCT  , CHAR_RAWDEL , CHAR_RAWDEL , CHAR_RAWDEL ,
+  //40  (         41  )         42  *         43  +
+  //44  ,         45  -         46  .         47  /
+  CHAR_PUNCT  , CHAR_PUNCT  , CHAR_RAWDEL , CHAR_RAWDEL ,
+  CHAR_RAWDEL , CHAR_RAWDEL , CHAR_PERIOD , CHAR_RAWDEL ,
+  //48  0         49  1         50  2         51  3
+  //52  4         53  5         54  6         55  7
+  CHAR_DIGIT  , CHAR_DIGIT  , CHAR_DIGIT  , CHAR_DIGIT  ,
+  CHAR_DIGIT  , CHAR_DIGIT  , CHAR_DIGIT  , CHAR_DIGIT  ,
+  //56  8         57  9         58  :         59  ;
+  //60  <         61  =         62  >         63  ?
+  CHAR_DIGIT  , CHAR_DIGIT  , CHAR_RAWDEL , CHAR_RAWDEL ,
+  CHAR_RAWDEL , CHAR_RAWDEL , CHAR_RAWDEL , CHAR_RAWDEL ,
+  //64  @         65  A         66  B         67  C
+  //68  D         69  E         70  F         71  G
+  CHAR_PUNCT  , CHAR_XUPPER , CHAR_XUPPER , CHAR_XUPPER ,
+  CHAR_XUPPER , CHAR_XUPPER , CHAR_XUPPER , CHAR_UPPER  ,
+  //72  H         73  I         74  J         75  K
+  //76  L         77  M         78  N         79  O
+  CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  ,
+  CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  ,
+  //80  P         81  Q         82  R         83  S
+  //84  T         85  U         86  V         87  W
+  CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  ,
+  CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  ,
+  //88  X         89  Y         90  Z         91  [
+  //92  \         93  ]         94  ^         95  _
+  CHAR_UPPER  , CHAR_UPPER  , CHAR_UPPER  , CHAR_RAWDEL ,
+  CHAR_PUNCT  , CHAR_RAWDEL , CHAR_RAWDEL , CHAR_UNDER  ,
+  //96  `         97  a         98  b         99  c
+  //100  d       101  e        102  f        103  g
+  CHAR_PUNCT  , CHAR_XLOWER , CHAR_XLOWER , CHAR_XLOWER ,
+  CHAR_XLOWER , CHAR_XLOWER , CHAR_XLOWER , CHAR_LOWER  ,
+  //104  h       105  i        106  j        107  k
+  //108  l       109  m        110  n        111  o
+  CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  ,
+  CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  ,
+  //112  p       113  q        114  r        115  s
+  //116  t       117  u        118  v        119  w
+  CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  ,
+  CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  ,
+  //120  x       121  y        122  z        123  {
+  //124  |       125  }        126  ~        127 DEL
+  CHAR_LOWER  , CHAR_LOWER  , CHAR_LOWER  , CHAR_RAWDEL ,
+  CHAR_RAWDEL , CHAR_RAWDEL , CHAR_RAWDEL , 0
+};

external/llvm-project/clang/lib/Basic/Cuda.cpp

@@ -0,0 +1,195 @@
+#include "clang/Basic/Cuda.h"
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/ErrorHandling.h"
+
+namespace clang {
+
+const char *CudaVersionToString(CudaVersion V) {
+  switch (V) {
+  case CudaVersion::UNKNOWN:
+    return "unknown";
+  case CudaVersion::CUDA_70:
+    return "7.0";
+  case CudaVersion::CUDA_75:
+    return "7.5";
+  case CudaVersion::CUDA_80:
+    return "8.0";
+  case CudaVersion::CUDA_90:
+    return "9.0";
+  }
+  llvm_unreachable("invalid enum");
+}
+
+const char *CudaArchToString(CudaArch A) {
+  switch (A) {
+  case CudaArch::UNKNOWN:
+    return "unknown";
+  case CudaArch::SM_20:
+    return "sm_20";
+  case CudaArch::SM_21:
+    return "sm_21";
+  case CudaArch::SM_30:
+    return "sm_30";
+  case CudaArch::SM_32:
+    return "sm_32";
+  case CudaArch::SM_35:
+    return "sm_35";
+  case CudaArch::SM_37:
+    return "sm_37";
+  case CudaArch::SM_50:
+    return "sm_50";
+  case CudaArch::SM_52:
+    return "sm_52";
+  case CudaArch::SM_53:
+    return "sm_53";
+  case CudaArch::SM_60:
+    return "sm_60";
+  case CudaArch::SM_61:
+    return "sm_61";
+  case CudaArch::SM_62:
+    return "sm_62";
+  case CudaArch::SM_70:
+    return "sm_70";
+  }
+  llvm_unreachable("invalid enum");
+}
+
+CudaArch StringToCudaArch(llvm::StringRef S) {
+  return llvm::StringSwitch<CudaArch>(S)
+      .Case("sm_20", CudaArch::SM_20)
+      .Case("sm_21", CudaArch::SM_21)
+      .Case("sm_30", CudaArch::SM_30)
+      .Case("sm_32", CudaArch::SM_32)
+      .Case("sm_35", CudaArch::SM_35)
+      .Case("sm_37", CudaArch::SM_37)
+      .Case("sm_50", CudaArch::SM_50)
+      .Case("sm_52", CudaArch::SM_52)
+      .Case("sm_53", CudaArch::SM_53)
+      .Case("sm_60", CudaArch::SM_60)
+      .Case("sm_61", CudaArch::SM_61)
+      .Case("sm_62", CudaArch::SM_62)
+      .Case("sm_70", CudaArch::SM_70)
+      .Default(CudaArch::UNKNOWN);
+}
+
+const char *CudaVirtualArchToString(CudaVirtualArch A) {
+  switch (A) {
+  case CudaVirtualArch::UNKNOWN:
+    return "unknown";
+  case CudaVirtualArch::COMPUTE_20:
+    return "compute_20";
+  case CudaVirtualArch::COMPUTE_30:
+    return "compute_30";
+  case CudaVirtualArch::COMPUTE_32:
+    return "compute_32";
+  case CudaVirtualArch::COMPUTE_35:
+    return "compute_35";
+  case CudaVirtualArch::COMPUTE_37:
+    return "compute_37";
+  case CudaVirtualArch::COMPUTE_50:
+    return "compute_50";
+  case CudaVirtualArch::COMPUTE_52:
+    return "compute_52";
+  case CudaVirtualArch::COMPUTE_53:
+    return "compute_53";
+  case CudaVirtualArch::COMPUTE_60:
+    return "compute_60";
+  case CudaVirtualArch::COMPUTE_61:
+    return "compute_61";
+  case CudaVirtualArch::COMPUTE_62:
+    return "compute_62";
+  case CudaVirtualArch::COMPUTE_70:
+    return "compute_70";
+  }
+  llvm_unreachable("invalid enum");
+}
+
+CudaVirtualArch StringToCudaVirtualArch(llvm::StringRef S) {
+  return llvm::StringSwitch<CudaVirtualArch>(S)
+      .Case("compute_20", CudaVirtualArch::COMPUTE_20)
+      .Case("compute_30", CudaVirtualArch::COMPUTE_30)
+      .Case("compute_32", CudaVirtualArch::COMPUTE_32)
+      .Case("compute_35", CudaVirtualArch::COMPUTE_35)
+      .Case("compute_37", CudaVirtualArch::COMPUTE_37)
+      .Case("compute_50", CudaVirtualArch::COMPUTE_50)
+      .Case("compute_52", CudaVirtualArch::COMPUTE_52)
+      .Case("compute_53", CudaVirtualArch::COMPUTE_53)
+      .Case("compute_60", CudaVirtualArch::COMPUTE_60)
+      .Case("compute_61", CudaVirtualArch::COMPUTE_61)
+      .Case("compute_62", CudaVirtualArch::COMPUTE_62)
+      .Case("compute_70", CudaVirtualArch::COMPUTE_70)
+      .Default(CudaVirtualArch::UNKNOWN);
+}
+
+CudaVirtualArch VirtualArchForCudaArch(CudaArch A) {
+  switch (A) {
+  case CudaArch::UNKNOWN:
+    return CudaVirtualArch::UNKNOWN;
+  case CudaArch::SM_20:
+  case CudaArch::SM_21:
+    return CudaVirtualArch::COMPUTE_20;
+  case CudaArch::SM_30:
+    return CudaVirtualArch::COMPUTE_30;
+  case CudaArch::SM_32:
+    return CudaVirtualArch::COMPUTE_32;
+  case CudaArch::SM_35:
+    return CudaVirtualArch::COMPUTE_35;
+  case CudaArch::SM_37:
+    return CudaVirtualArch::COMPUTE_37;
+  case CudaArch::SM_50:
+    return CudaVirtualArch::COMPUTE_50;
+  case CudaArch::SM_52:
+    return CudaVirtualArch::COMPUTE_52;
+  case CudaArch::SM_53:
+    return CudaVirtualArch::COMPUTE_53;
+  case CudaArch::SM_60:
+    return CudaVirtualArch::COMPUTE_60;
+  case CudaArch::SM_61:
+    return CudaVirtualArch::COMPUTE_61;
+  case CudaArch::SM_62:
+    return CudaVirtualArch::COMPUTE_62;
+  case CudaArch::SM_70:
+    return CudaVirtualArch::COMPUTE_70;
+  }
+  llvm_unreachable("invalid enum");
+}
+
+CudaVersion MinVersionForCudaArch(CudaArch A) {
+  switch (A) {
+  case CudaArch::UNKNOWN:
+    return CudaVersion::UNKNOWN;
+  case CudaArch::SM_20:
+  case CudaArch::SM_21:
+  case CudaArch::SM_30:
+  case CudaArch::SM_32:
+  case CudaArch::SM_35:
+  case CudaArch::SM_37:
+  case CudaArch::SM_50:
+  case CudaArch::SM_52:
+  case CudaArch::SM_53:
+    return CudaVersion::CUDA_70;
+  case CudaArch::SM_60:
+  case CudaArch::SM_61:
+  case CudaArch::SM_62:
+    return CudaVersion::CUDA_80;
+  case CudaArch::SM_70:
+    return CudaVersion::CUDA_90;
+  }
+  llvm_unreachable("invalid enum");
+}
+
+CudaVersion MaxVersionForCudaArch(CudaArch A) {
+  switch (A) {
+  case CudaArch::UNKNOWN:
+    return CudaVersion::UNKNOWN;
+  case CudaArch::SM_20:
+  case CudaArch::SM_21:
+    return CudaVersion::CUDA_80;
+  default:
+    return CudaVersion::LATEST;
+  }
+}
+
+} // namespace clang

external/llvm-project/clang/lib/Basic/DiagnosticOptions.cpp

@@ -0,0 +1,24 @@
+//===--- DiagnosticOptions.cpp - C Language Family Diagnostic Handling ----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file implements the DiagnosticOptions related interfaces.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/DiagnosticOptions.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace clang {
+
+raw_ostream &operator<<(raw_ostream &Out, DiagnosticLevelMask M) {
+  using UT = std::underlying_type<DiagnosticLevelMask>::type;
+  return Out << static_cast<UT>(M);
+}
+
+} // end namespace clang

external/llvm-project/clang/lib/Basic/FileSystemStatCache.cpp

@@ -0,0 +1,126 @@
+//===--- FileSystemStatCache.cpp - Caching for 'stat' calls ---------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the FileSystemStatCache interface.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/FileSystemStatCache.h"
+#include "clang/Basic/VirtualFileSystem.h"
+#include "llvm/Support/Path.h"
+
+using namespace clang;
+
+void FileSystemStatCache::anchor() { }
+
+static void copyStatusToFileData(const vfs::Status &Status,
+                                 FileData &Data) {
+  Data.Name = Status.getName();
+  Data.Size = Status.getSize();
+  Data.ModTime = llvm::sys::toTimeT(Status.getLastModificationTime());
+  Data.UniqueID = Status.getUniqueID();
+  Data.IsDirectory = Status.isDirectory();
+  Data.IsNamedPipe = Status.getType() == llvm::sys::fs::file_type::fifo_file;
+  Data.InPCH = false;
+  Data.IsVFSMapped = Status.IsVFSMapped;
+}
+
+/// FileSystemStatCache::get - Get the 'stat' information for the specified
+/// path, using the cache to accelerate it if possible.  This returns true if
+/// the path does not exist or false if it exists.
+///
+/// If isFile is true, then this lookup should only return success for files
+/// (not directories).  If it is false this lookup should only return
+/// success for directories (not files).  On a successful file lookup, the
+/// implementation can optionally fill in FileDescriptor with a valid
+/// descriptor and the client guarantees that it will close it.
+bool FileSystemStatCache::get(StringRef Path, FileData &Data, bool isFile,
+                              std::unique_ptr<vfs::File> *F,
+                              FileSystemStatCache *Cache, vfs::FileSystem &FS) {
+  LookupResult R;
+  bool isForDir = !isFile;
+
+  // If we have a cache, use it to resolve the stat query.
+  if (Cache)
+    R = Cache->getStat(Path, Data, isFile, F, FS);
+  else if (isForDir || !F) {
+    // If this is a directory or a file descriptor is not needed and we have
+    // no cache, just go to the file system.
+    llvm::ErrorOr<vfs::Status> Status = FS.status(Path);
+    if (!Status) {
+      R = CacheMissing;
+    } else {
+      R = CacheExists;
+      copyStatusToFileData(*Status, Data);
+    }
+  } else {
+    // Otherwise, we have to go to the filesystem.  We can always just use
+    // 'stat' here, but (for files) the client is asking whether the file exists
+    // because it wants to turn around and *open* it.  It is more efficient to
+    // do "open+fstat" on success than it is to do "stat+open".
+    //
+    // Because of this, check to see if the file exists with 'open'.  If the
+    // open succeeds, use fstat to get the stat info.
+    auto OwnedFile = FS.openFileForRead(Path);
+
+    if (!OwnedFile) {
+      // If the open fails, our "stat" fails.
+      R = CacheMissing;
+    } else {
+      // Otherwise, the open succeeded.  Do an fstat to get the information
+      // about the file.  We'll end up returning the open file descriptor to the
+      // client to do what they please with it.
+      llvm::ErrorOr<vfs::Status> Status = (*OwnedFile)->status();
+      if (Status) {
+        R = CacheExists;
+        copyStatusToFileData(*Status, Data);
+        *F = std::move(*OwnedFile);
+      } else {
+        // fstat rarely fails.  If it does, claim the initial open didn't
+        // succeed.
+        R = CacheMissing;
+        *F = nullptr;
+      }
+    }
+  }
+
+  // If the path doesn't exist, return failure.
+  if (R == CacheMissing) return true;
+  
+  // If the path exists, make sure that its "directoryness" matches the clients
+  // demands.
+  if (Data.IsDirectory != isForDir) {
+    // If not, close the file if opened.
+    if (F)
+      *F = nullptr;
+    
+    return true;
+  }
+  
+  return false;
+}
+
+MemorizeStatCalls::LookupResult
+MemorizeStatCalls::getStat(StringRef Path, FileData &Data, bool isFile,
+                           std::unique_ptr<vfs::File> *F, vfs::FileSystem &FS) {
+  LookupResult Result = statChained(Path, Data, isFile, F, FS);
+
+  // Do not cache failed stats, it is easy to construct common inconsistent
+  // situations if we do, and they are not important for PCH performance (which
+  // currently only needs the stats to construct the initial FileManager
+  // entries).
+  if (Result == CacheMissing)
+    return Result;
+  
+  // Cache file 'stat' results and directories with absolutely paths.
+  if (!Data.IsDirectory || llvm::sys::path::is_absolute(Path))
+    StatCalls[Path] = Data;
+
+  return Result;
+}

external/llvm-project/clang/lib/Basic/LangOptions.cpp

@@ -0,0 +1,46 @@
+//===--- LangOptions.cpp - C Language Family Language Options ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the LangOptions class.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Basic/LangOptions.h"
+#include "llvm/ADT/StringRef.h"
+
+using namespace clang;
+
+LangOptions::LangOptions()
+  : IsHeaderFile(false) {
+#define LANGOPT(Name, Bits, Default, Description) Name = Default;
+#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) set##Name(Default);
+#include "clang/Basic/LangOptions.def"
+}
+
+void LangOptions::resetNonModularOptions() {
+#define LANGOPT(Name, Bits, Default, Description)
+#define BENIGN_LANGOPT(Name, Bits, Default, Description) Name = Default;
+#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
+  Name = Default;
+#include "clang/Basic/LangOptions.def"
+
+  // These options do not affect AST generation.
+  SanitizerBlacklistFiles.clear();
+  XRayAlwaysInstrumentFiles.clear();
+  XRayNeverInstrumentFiles.clear();
+
+  CurrentModule.clear();
+  IsHeaderFile = false;
+}
+
+bool LangOptions::isNoBuiltinFunc(StringRef FuncName) const {
+  for (unsigned i = 0, e = NoBuiltinFuncs.size(); i != e; ++i)
+    if (FuncName.equals(NoBuiltinFuncs[i]))
+      return true;
+  return false;
+}

external/llvm-project/clang/lib/Basic/MemoryBufferCache.cpp

@@ -0,0 +1,48 @@
+//===- MemoryBufferCache.cpp - Cache for loaded memory buffers ------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/MemoryBufferCache.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+using namespace clang;
+
+llvm::MemoryBuffer &
+MemoryBufferCache::addBuffer(llvm::StringRef Filename,
+                             std::unique_ptr<llvm::MemoryBuffer> Buffer) {
+  auto Insertion =
+      Buffers.insert({Filename, BufferEntry{std::move(Buffer), NextIndex++}});
+  assert(Insertion.second && "Already has a buffer");
+  return *Insertion.first->second.Buffer;
+}
+
+llvm::MemoryBuffer *MemoryBufferCache::lookupBuffer(llvm::StringRef Filename) {
+  auto I = Buffers.find(Filename);
+  if (I == Buffers.end())
+    return nullptr;
+  return I->second.Buffer.get();
+}
+
+bool MemoryBufferCache::isBufferFinal(llvm::StringRef Filename) {
+  auto I = Buffers.find(Filename);
+  if (I == Buffers.end())
+    return false;
+  return I->second.Index < FirstRemovableIndex;
+}
+
+bool MemoryBufferCache::tryToRemoveBuffer(llvm::StringRef Filename) {
+  auto I = Buffers.find(Filename);
+  assert(I != Buffers.end() && "No buffer to remove...");
+  if (I->second.Index < FirstRemovableIndex)
+    return true;
+
+  Buffers.erase(I);
+  return false;
+}
+
+void MemoryBufferCache::finalizeCurrentBuffers() { FirstRemovableIndex = NextIndex; }

external/llvm-project/clang/lib/Basic/ObjCRuntime.cpp

@@ -0,0 +1,93 @@
+//===- ObjCRuntime.cpp - Objective-C Runtime Handling -----------*- 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 the ObjCRuntime class, which represents the
+// target Objective-C runtime.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Basic/ObjCRuntime.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang;
+
+std::string ObjCRuntime::getAsString() const {
+  std::string Result;
+  {
+    llvm::raw_string_ostream Out(Result);
+    Out << *this;
+  }
+  return Result;  
+}
+
+raw_ostream &clang::operator<<(raw_ostream &out, const ObjCRuntime &value) {
+  switch (value.getKind()) {
+  case ObjCRuntime::MacOSX: out << "macosx"; break;
+  case ObjCRuntime::FragileMacOSX: out << "macosx-fragile"; break;
+  case ObjCRuntime::iOS: out << "ios"; break;
+  case ObjCRuntime::WatchOS: out << "watchos"; break;
+  case ObjCRuntime::GNUstep: out << "gnustep"; break;
+  case ObjCRuntime::GCC: out << "gcc"; break;
+  case ObjCRuntime::ObjFW: out << "objfw"; break;
+  }
+  if (value.getVersion() > VersionTuple(0)) {
+    out << '-' << value.getVersion();
+  }
+  return out;
+}
+
+bool ObjCRuntime::tryParse(StringRef input) {
+  // Look for the last dash.
+  std::size_t dash = input.rfind('-');
+
+  // We permit dashes in the runtime name, and we also permit the
+  // version to be omitted, so if we see a dash not followed by a
+  // digit then we need to ignore it.
+  if (dash != StringRef::npos && dash + 1 != input.size() &&
+      (input[dash+1] < '0' || input[dash+1] > '9')) {
+    dash = StringRef::npos;
+  }
+
+  // Everything prior to that must be a valid string name.
+  Kind kind;
+  StringRef runtimeName = input.substr(0, dash);
+  Version = VersionTuple(0);
+  if (runtimeName == "macosx") {
+    kind = ObjCRuntime::MacOSX;
+  } else if (runtimeName == "macosx-fragile") {
+    kind = ObjCRuntime::FragileMacOSX;
+  } else if (runtimeName == "ios") {
+    kind = ObjCRuntime::iOS;
+  } else if (runtimeName == "watchos") {
+    kind = ObjCRuntime::WatchOS;
+  } else if (runtimeName == "gnustep") {
+    // If no version is specified then default to the most recent one that we
+    // know about.
+    Version = VersionTuple(1, 6);
+    kind = ObjCRuntime::GNUstep;
+  } else if (runtimeName == "gcc") {
+    kind = ObjCRuntime::GCC;
+  } else if (runtimeName == "objfw") {
+    kind = ObjCRuntime::ObjFW;
+    Version = VersionTuple(0, 8);
+  } else {
+    return true;
+  }
+  TheKind = kind;
+
+  if (dash != StringRef::npos) {
+    StringRef verString = input.substr(dash + 1);
+    if (Version.tryParse(verString))
+      return true;
+  }
+
+  if (kind == ObjCRuntime::ObjFW && Version > VersionTuple(0, 8))
+    Version = VersionTuple(0, 8);
+
+  return false;
+}

external/llvm-project/clang/lib/Basic/OperatorPrecedence.cpp

@@ -0,0 +1,78 @@
+//===--- OperatorPrecedence.cpp ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Defines and computes precedence levels for binary/ternary operators.
+///
+//===----------------------------------------------------------------------===//
+#include "clang/Basic/OperatorPrecedence.h"
+
+namespace clang {
+
+prec::Level getBinOpPrecedence(tok::TokenKind Kind, bool GreaterThanIsOperator,
+                               bool CPlusPlus11) {
+  switch (Kind) {
+  case tok::greater:
+    // C++ [temp.names]p3:
+    //   [...] When parsing a template-argument-list, the first
+    //   non-nested > is taken as the ending delimiter rather than a
+    //   greater-than operator. [...]
+    if (GreaterThanIsOperator)
+      return prec::Relational;
+    return prec::Unknown;
+
+  case tok::greatergreater:
+    // C++11 [temp.names]p3:
+    //
+    //   [...] Similarly, the first non-nested >> is treated as two
+    //   consecutive but distinct > tokens, the first of which is
+    //   taken as the end of the template-argument-list and completes
+    //   the template-id. [...]
+    if (GreaterThanIsOperator || !CPlusPlus11)
+      return prec::Shift;
+    return prec::Unknown;
+
+  default:                        return prec::Unknown;
+  case tok::comma:                return prec::Comma;
+  case tok::equal:
+  case tok::starequal:
+  case tok::slashequal:
+  case tok::percentequal:
+  case tok::plusequal:
+  case tok::minusequal:
+  case tok::lesslessequal:
+  case tok::greatergreaterequal:
+  case tok::ampequal:
+  case tok::caretequal:
+  case tok::pipeequal:            return prec::Assignment;
+  case tok::question:             return prec::Conditional;
+  case tok::pipepipe:             return prec::LogicalOr;
+  case tok::caretcaret:
+  case tok::ampamp:               return prec::LogicalAnd;
+  case tok::pipe:                 return prec::InclusiveOr;
+  case tok::caret:                return prec::ExclusiveOr;
+  case tok::amp:                  return prec::And;
+  case tok::exclaimequal:
+  case tok::equalequal:           return prec::Equality;
+  case tok::lessequal:
+  case tok::less:
+  case tok::greaterequal:         return prec::Relational;
+  case tok::spaceship:            return prec::Spaceship;
+  case tok::lessless:             return prec::Shift;
+  case tok::plus:
+  case tok::minus:                return prec::Additive;
+  case tok::percent:
+  case tok::slash:
+  case tok::star:                 return prec::Multiplicative;
+  case tok::periodstar:
+  case tok::arrowstar:            return prec::PointerToMember;
+  }
+}
+
+}  // namespace clang

external/llvm-project/clang/lib/Basic/SanitizerBlacklist.cpp

@@ -0,0 +1,51 @@
+//===--- SanitizerBlacklist.cpp - Blacklist for sanitizers ----------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// User-provided blacklist used to disable/alter instrumentation done in
+// sanitizers.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Basic/SanitizerBlacklist.h"
+
+using namespace clang;
+
+SanitizerBlacklist::SanitizerBlacklist(
+    const std::vector<std::string> &BlacklistPaths, SourceManager &SM)
+    : SSCL(SanitizerSpecialCaseList::createOrDie(BlacklistPaths)), SM(SM) {}
+
+bool SanitizerBlacklist::isBlacklistedGlobal(SanitizerMask Mask,
+                                             StringRef GlobalName,
+                                             StringRef Category) const {
+  return SSCL->inSection(Mask, "global", GlobalName, Category);
+}
+
+bool SanitizerBlacklist::isBlacklistedType(SanitizerMask Mask,
+                                           StringRef MangledTypeName,
+                                           StringRef Category) const {
+  return SSCL->inSection(Mask, "type", MangledTypeName, Category);
+}
+
+bool SanitizerBlacklist::isBlacklistedFunction(SanitizerMask Mask,
+                                               StringRef FunctionName) const {
+  return SSCL->inSection(Mask, "fun", FunctionName);
+}
+
+bool SanitizerBlacklist::isBlacklistedFile(SanitizerMask Mask,
+                                           StringRef FileName,
+                                           StringRef Category) const {
+  return SSCL->inSection(Mask, "src", FileName, Category);
+}
+
+bool SanitizerBlacklist::isBlacklistedLocation(SanitizerMask Mask,
+                                               SourceLocation Loc,
+                                               StringRef Category) const {
+  return Loc.isValid() &&
+         isBlacklistedFile(Mask, SM.getFilename(SM.getFileLoc(Loc)), Category);
+}
+

external/llvm-project/clang/lib/Basic/SanitizerSpecialCaseList.cpp

@@ -0,0 +1,64 @@
+//===--- SanitizerSpecialCaseList.cpp - SCL for sanitizers ----------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// An extension of SpecialCaseList to allowing querying sections by
+// SanitizerMask.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Basic/SanitizerSpecialCaseList.h"
+
+using namespace clang;
+
+std::unique_ptr<SanitizerSpecialCaseList>
+SanitizerSpecialCaseList::create(const std::vector<std::string> &Paths,
+                                 std::string &Error) {
+  std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL(
+      new SanitizerSpecialCaseList());
+  if (SSCL->createInternal(Paths, Error)) {
+    SSCL->createSanitizerSections();
+    return SSCL;
+  }
+  return nullptr;
+}
+
+std::unique_ptr<SanitizerSpecialCaseList>
+SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths) {
+  std::string Error;
+  if (auto SSCL = create(Paths, Error))
+    return SSCL;
+  llvm::report_fatal_error(Error);
+}
+
+void SanitizerSpecialCaseList::createSanitizerSections() {
+  for (auto &S : Sections) {
+    SanitizerMask Mask = 0;
+
+#define SANITIZER(NAME, ID)                                                    \
+  if (S.SectionMatcher->match(NAME))                                           \
+    Mask |= SanitizerKind::ID;
+#define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID)
+
+#include "clang/Basic/Sanitizers.def"
+#undef SANITIZER
+#undef SANITIZER_GROUP
+
+    SanitizerSections.emplace_back(Mask, S.Entries);
+  }
+}
+
+bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix,
+                                         StringRef Query,
+                                         StringRef Category) const {
+  for (auto &S : SanitizerSections)
+    if ((S.Mask & Mask) &&
+        SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category))
+      return true;
+
+  return false;
+}

external/llvm-project/clang/lib/Basic/Sanitizers.cpp

@@ -0,0 +1,37 @@
+//===--- Sanitizers.cpp - C Language Family Language Options ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the classes from Sanitizers.h
+//
+//===----------------------------------------------------------------------===//
+#include "clang/Basic/Sanitizers.h"
+#include "clang/Basic/LLVM.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/StringSwitch.h"
+
+using namespace clang;
+
+SanitizerMask clang::parseSanitizerValue(StringRef Value, bool AllowGroups) {
+  SanitizerMask ParsedKind = llvm::StringSwitch<SanitizerMask>(Value)
+#define SANITIZER(NAME, ID) .Case(NAME, SanitizerKind::ID)
+#define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
+  .Case(NAME, AllowGroups ? SanitizerKind::ID##Group : 0)
+#include "clang/Basic/Sanitizers.def"
+    .Default(0);
+  return ParsedKind;
+}
+
+SanitizerMask clang::expandSanitizerGroups(SanitizerMask Kinds) {
+#define SANITIZER(NAME, ID)
+#define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
+  if (Kinds & SanitizerKind::ID##Group)                                        \
+    Kinds |= SanitizerKind::ID;
+#include "clang/Basic/Sanitizers.def"
+  return Kinds;
+}