Delete the incorrect assert that assumes size of APFloat is the same as IEEEFloat.

.ci/generate-buildkite-pipeline-premerge

@@ -191,6 +191,9 @@ function keep-modified-projects() {
 }
 
 function check-targets() {
+  # Do not use "check-all" here because if there is "check-all" plus a
+  # project specific target like "check-clang", that project's tests
+  # will be run twice.
   projects=${@}
   for project in ${projects}; do
     case ${project} in
@@ -216,7 +219,7 @@ function check-targets() {
       echo "check-lldb"
     ;;
     pstl)
-      echo "check-all"
+      # Currently we do not run pstl tests in CI.
     ;;
     libclc)
       # Currently there is no testing for libclc.

.github/workflows/release-binaries.yml

@@ -328,7 +328,7 @@ jobs:
       run: |
         # Build some of the mlir tools that take a long time to link
         if [ "${{ needs.prepare.outputs.build-flang }}" = "true" ]; then
-          ninja -C ${{ steps.setup-stage.outputs.build-prefix }}/build/tools/clang/stage2-bins/ -j2 flang-new bbc
+          ninja -C ${{ steps.setup-stage.outputs.build-prefix }}/build/tools/clang/stage2-bins/ -j2 flang bbc
         fi
         ninja -C ${{ steps.setup-stage.outputs.build-prefix }}/build/tools/clang/stage2-bins/ \
             mlir-bytecode-parser-fuzzer \

bolt/include/bolt/Profile/BoltAddressTranslation.h

@@ -141,15 +141,13 @@ class BoltAddressTranslation {
                          uint64_t FuncOutputAddress) const;
 
   /// Write the serialized address translation table for a function.
-  template <bool Cold>
-  void writeMaps(std::map<uint64_t, MapTy> &Maps, uint64_t &PrevAddress,
-                 raw_ostream &OS);
+  template <bool Cold> void writeMaps(uint64_t &PrevAddress, raw_ostream &OS);
 
   /// Read the serialized address translation table for a function.
   /// Return a parse error if failed.
   template <bool Cold>
-  void parseMaps(std::vector<uint64_t> &HotFuncs, uint64_t &PrevAddress,
-                 DataExtractor &DE, uint64_t &Offset, Error &Err);
+  void parseMaps(uint64_t &PrevAddress, DataExtractor &DE, uint64_t &Offset,
+                 Error &Err);
 
   /// Returns the bitmask with set bits corresponding to indices of BRANCHENTRY
   /// entries in function address translation map.
@@ -161,6 +159,9 @@ class BoltAddressTranslation {
 
   std::map<uint64_t, MapTy> Maps;
 
+  /// Ordered vector with addresses of hot functions.
+  std::vector<uint64_t> HotFuncs;
+
   /// Map a function to its basic blocks count
   std::unordered_map<uint64_t, size_t> NumBasicBlocksMap;
 

bolt/lib/Core/BinaryFunction.cpp

@@ -3684,9 +3684,8 @@ BinaryFunction::BasicBlockListType BinaryFunction::dfs() const {
     BinaryBasicBlock *BB = Stack.top();
     Stack.pop();
 
-    if (Visited.find(BB) != Visited.end())
+    if (!Visited.insert(BB).second)
       continue;
-    Visited.insert(BB);
     DFS.push_back(BB);
 
     for (BinaryBasicBlock *SuccBB : BB->landing_pads()) {
@@ -3879,11 +3878,8 @@ void BinaryFunction::disambiguateJumpTables(
       JumpTable *JT = getJumpTable(Inst);
       if (!JT)
         continue;
-      auto Iter = JumpTables.find(JT);
-      if (Iter == JumpTables.end()) {
-        JumpTables.insert(JT);
+      if (JumpTables.insert(JT).second)
         continue;
-      }
       // This instruction is an indirect jump using a jump table, but it is
       // using the same jump table of another jump. Try all our tricks to
       // extract the jump table symbol and make it point to a new, duplicated JT

bolt/lib/Core/DIEBuilder.cpp

@@ -57,11 +57,9 @@ getDWOName(llvm::DWARFUnit &CU,
          "DW_AT_dwo_name/DW_AT_GNU_dwo_name does not exist.");
   if (DwarfOutputPath) {
     DWOName = std::string(sys::path::filename(DWOName));
-    auto Iter = NameToIndexMap.find(DWOName);
-    if (Iter == NameToIndexMap.end())
-      Iter = NameToIndexMap.insert({DWOName, 0}).first;
-    DWOName.append(std::to_string(Iter->second));
-    ++Iter->second;
+    uint32_t &Index = NameToIndexMap[DWOName];
+    DWOName.append(std::to_string(Index));
+    ++Index;
   }
   DWOName.append(".dwo");
   return DWOName;

bolt/lib/Passes/Instrumentation.cpp

@@ -109,9 +109,8 @@ static bool hasAArch64ExclusiveMemop(
     BinaryBasicBlock *BB = BBQueue.front().first;
     bool IsLoad = BBQueue.front().second;
     BBQueue.pop();
-    if (Visited.find(BB) != Visited.end())
+    if (!Visited.insert(BB).second)
       continue;
-    Visited.insert(BB);
 
     for (const MCInst &Inst : *BB) {
       // Two loads one after another - skip whole function
@@ -126,8 +125,7 @@ static bool hasAArch64ExclusiveMemop(
       if (BC.MIB->isAArch64ExclusiveLoad(Inst))
         IsLoad = true;
 
-      if (IsLoad && BBToSkip.find(BB) == BBToSkip.end()) {
-        BBToSkip.insert(BB);
+      if (IsLoad && BBToSkip.insert(BB).second) {
         if (opts::Verbosity >= 2) {
           outs() << "BOLT-INSTRUMENTER: skip BB " << BB->getName()
                  << " due to exclusive instruction in function "

bolt/lib/Profile/BoltAddressTranslation.cpp

@@ -143,8 +143,8 @@ void BoltAddressTranslation::write(const BinaryContext &BC, raw_ostream &OS) {
 
   // Output addresses are delta-encoded
   uint64_t PrevAddress = 0;
-  writeMaps</*Cold=*/false>(Maps, PrevAddress, OS);
-  writeMaps</*Cold=*/true>(Maps, PrevAddress, OS);
+  writeMaps</*Cold=*/false>(PrevAddress, OS);
+  writeMaps</*Cold=*/true>(PrevAddress, OS);
 
   BC.outs() << "BOLT-INFO: Wrote " << Maps.size() << " BAT maps\n";
   BC.outs() << "BOLT-INFO: Wrote " << FuncHashes.getNumFunctions()
@@ -182,8 +182,7 @@ size_t BoltAddressTranslation::getNumEqualOffsets(const MapTy &Map,
 }
 
 template <bool Cold>
-void BoltAddressTranslation::writeMaps(std::map<uint64_t, MapTy> &Maps,
-                                       uint64_t &PrevAddress, raw_ostream &OS) {
+void BoltAddressTranslation::writeMaps(uint64_t &PrevAddress, raw_ostream &OS) {
   const uint32_t NumFuncs =
       llvm::count_if(llvm::make_first_range(Maps), [&](const uint64_t Address) {
         return Cold == ColdPartSource.count(Address);
@@ -213,16 +212,17 @@ void BoltAddressTranslation::writeMaps(std::map<uint64_t, MapTy> &Maps,
             : 0;
     uint32_t Skew = 0;
     if (Cold) {
-      auto HotEntryIt = Maps.find(ColdPartSource[Address]);
-      assert(HotEntryIt != Maps.end());
-      size_t HotIndex = std::distance(Maps.begin(), HotEntryIt);
+      auto HotEntryIt = llvm::lower_bound(HotFuncs, ColdPartSource[Address]);
+      assert(HotEntryIt != HotFuncs.end());
+      size_t HotIndex = std::distance(HotFuncs.begin(), HotEntryIt);
       encodeULEB128(HotIndex - PrevIndex, OS);
       PrevIndex = HotIndex;
       // Skew of all input offsets for cold fragments is simply the first input
       // offset.
       Skew = Map.begin()->second >> 1;
       encodeULEB128(Skew, OS);
     } else {
+      HotFuncs.push_back(Address);
       // Function hash
       size_t BFHash = getBFHash(HotInputAddress);
       LLVM_DEBUG(dbgs() << "Hash: " << formatv("{0:x}\n", BFHash));
@@ -311,17 +311,15 @@ std::error_code BoltAddressTranslation::parse(raw_ostream &OS, StringRef Buf) {
     return make_error_code(llvm::errc::io_error);
 
   Error Err(Error::success());
-  std::vector<uint64_t> HotFuncs;
   uint64_t PrevAddress = 0;
-  parseMaps</*Cold=*/false>(HotFuncs, PrevAddress, DE, Offset, Err);
-  parseMaps</*Cold=*/true>(HotFuncs, PrevAddress, DE, Offset, Err);
+  parseMaps</*Cold=*/false>(PrevAddress, DE, Offset, Err);
+  parseMaps</*Cold=*/true>(PrevAddress, DE, Offset, Err);
   OS << "BOLT-INFO: Parsed " << Maps.size() << " BAT entries\n";
   return errorToErrorCode(std::move(Err));
 }
 
 template <bool Cold>
-void BoltAddressTranslation::parseMaps(std::vector<uint64_t> &HotFuncs,
-                                       uint64_t &PrevAddress, DataExtractor &DE,
+void BoltAddressTranslation::parseMaps(uint64_t &PrevAddress, DataExtractor &DE,
                                        uint64_t &Offset, Error &Err) {
   const uint32_t NumFunctions = DE.getULEB128(&Offset, &Err);
   LLVM_DEBUG(dbgs() << "Parsing " << NumFunctions << (Cold ? " cold" : "")

bolt/lib/Profile/YAMLProfileReader.cpp

@@ -643,11 +643,7 @@ size_t YAMLProfileReader::matchWithNameSimilarity(BinaryContext &BC) {
     // equal number of blocks.
     if (NamespaceToProfiledBFSizesIt->second.count(BF->size()) == 0)
       continue;
-    auto NamespaceToBFsIt = NamespaceToBFs.find(Namespace);
-    if (NamespaceToBFsIt == NamespaceToBFs.end())
-      NamespaceToBFs[Namespace] = {BF};
-    else
-      NamespaceToBFsIt->second.push_back(BF);
+    NamespaceToBFs[Namespace].push_back(BF);
   }
 
   // Iterates through all profiled functions and binary functions belonging to

bolt/tools/driver/llvm-bolt.cpp

@@ -202,9 +202,9 @@ int main(int argc, char **argv) {
 
   ToolName = argv[0];
 
-  if (llvm::sys::path::filename(ToolName) == "perf2bolt")
+  if (llvm::sys::path::filename(ToolName).starts_with("perf2bolt"))
     perf2boltMode(argc, argv);
-  else if (llvm::sys::path::filename(ToolName) == "llvm-boltdiff")
+  else if (llvm::sys::path::filename(ToolName).starts_with("llvm-boltdiff"))
     boltDiffMode(argc, argv);
   else
     boltMode(argc, argv);

clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp

@@ -148,11 +148,8 @@ groupReplacements(const TUReplacements &TUs, const TUDiagnostics &TUDs,
 
     if (auto Entry = SM.getFileManager().getOptionalFileRef(Path)) {
       if (SourceTU) {
-        auto &Replaces = DiagReplacements[*Entry];
-        auto It = Replaces.find(R);
-        if (It == Replaces.end())
-          Replaces.emplace(R, SourceTU);
-        else if (It->second != SourceTU)
+        auto [It, Inserted] = DiagReplacements[*Entry].try_emplace(R, SourceTU);
+        if (!Inserted && It->second != SourceTU)
           // This replacement is a duplicate of one suggested by another TU.
           return;
       }

clang-tools-extra/clang-change-namespace/ChangeNamespace.cpp

@@ -606,9 +606,8 @@ void ChangeNamespaceTool::run(
                  Result.Nodes.getNodeAs<DeclRefExpr>("func_ref")) {
     // If this reference has been processed as a function call, we do not
     // process it again.
-    if (ProcessedFuncRefs.count(FuncRef))
+    if (!ProcessedFuncRefs.insert(FuncRef).second)
       return;
-    ProcessedFuncRefs.insert(FuncRef);
     const auto *Func = Result.Nodes.getNodeAs<FunctionDecl>("func_decl");
     assert(Func);
     const auto *Context = Result.Nodes.getNodeAs<Decl>("dc");

clang-tools-extra/clang-doc/tool/ClangDocMain.cpp

@@ -300,8 +300,7 @@ Example usage for a project using a compile commands database:
   llvm::StringMap<std::vector<StringRef>> USRToBitcode;
   Executor->get()->getToolResults()->forEachResult(
       [&](StringRef Key, StringRef Value) {
-        auto R = USRToBitcode.try_emplace(Key, std::vector<StringRef>());
-        R.first->second.emplace_back(Value);
+        USRToBitcode[Key].emplace_back(Value);
       });
 
   // Collects all Infos according to their unique USR value. This map is added

clang-tools-extra/clang-tidy/bugprone/CrtpConstructorAccessibilityCheck.cpp

@@ -165,7 +165,7 @@ void CrtpConstructorAccessibilityCheck::check(
 
     WithFriendHintIfNeeded(
         diag(Ctor->getLocation(),
-             "%0 contructor allows the CRTP to be %select{inherited "
+             "%0 constructor allows the CRTP to be %select{inherited "
              "from|constructed}1 as a regular template class; consider making "
              "it private%select{| and declaring the derived class as friend}2")
             << Access << IsPublic << NeedsFriend

clang-tools-extra/clang-tidy/bugprone/ForwardDeclarationNamespaceCheck.cpp

@@ -146,12 +146,13 @@ void ForwardDeclarationNamespaceCheck::onEndOfTranslationUnit() {
       }
       // Check if a definition in another namespace exists.
       const auto DeclName = CurDecl->getName();
-      if (!DeclNameToDefinitions.contains(DeclName)) {
+      auto It = DeclNameToDefinitions.find(DeclName);
+      if (It == DeclNameToDefinitions.end()) {
         continue; // No definition in this translation unit, we can skip it.
       }
       // Make a warning for each definition with the same name (in other
       // namespaces).
-      const auto &Definitions = DeclNameToDefinitions[DeclName];
+      const auto &Definitions = It->second;
       for (const auto *Def : Definitions) {
         diag(CurDecl->getLocation(),
              "no definition found for %0, but a definition with "

clang-tools-extra/clang-tidy/bugprone/SizeofExpressionCheck.cpp

@@ -70,7 +70,9 @@ SizeofExpressionCheck::SizeofExpressionCheck(StringRef Name,
           Options.get("WarnOnSizeOfCompareToConstant", true)),
       WarnOnSizeOfPointerToAggregate(
           Options.get("WarnOnSizeOfPointerToAggregate", true)),
-      WarnOnSizeOfPointer(Options.get("WarnOnSizeOfPointer", false)) {}
+      WarnOnSizeOfPointer(Options.get("WarnOnSizeOfPointer", false)),
+      WarnOnOffsetDividedBySizeOf(
+          Options.get("WarnOnOffsetDividedBySizeOf", true)) {}
 
 void SizeofExpressionCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
   Options.store(Opts, "WarnOnSizeOfConstant", WarnOnSizeOfConstant);
@@ -82,6 +84,8 @@ void SizeofExpressionCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
   Options.store(Opts, "WarnOnSizeOfPointerToAggregate",
                 WarnOnSizeOfPointerToAggregate);
   Options.store(Opts, "WarnOnSizeOfPointer", WarnOnSizeOfPointer);
+  Options.store(Opts, "WarnOnOffsetDividedBySizeOf",
+                WarnOnOffsetDividedBySizeOf);
 }
 
 void SizeofExpressionCheck::registerMatchers(MatchFinder *Finder) {
@@ -307,7 +311,8 @@ void SizeofExpressionCheck::registerMatchers(MatchFinder *Finder) {
                  offsetOfExpr()))
           .bind("sizeof-in-ptr-arithmetic-scale-expr");
   const auto PtrArithmeticIntegerScaleExpr = binaryOperator(
-      hasAnyOperatorName("*", "/"),
+      WarnOnOffsetDividedBySizeOf ? binaryOperator(hasAnyOperatorName("*", "/"))
+                                  : binaryOperator(hasOperatorName("*")),
       // sizeof(...) * sizeof(...) and sizeof(...) / sizeof(...) is handled
       // by this check on another path.
       hasOperands(expr(hasType(isInteger()), unless(SizeofLikeScaleExpr)),

clang-tools-extra/clang-tidy/bugprone/SizeofExpressionCheck.h

@@ -31,6 +31,7 @@ class SizeofExpressionCheck : public ClangTidyCheck {
   const bool WarnOnSizeOfCompareToConstant;
   const bool WarnOnSizeOfPointerToAggregate;
   const bool WarnOnSizeOfPointer;
+  const bool WarnOnOffsetDividedBySizeOf;
 };
 
 } // namespace clang::tidy::bugprone

clang-tools-extra/clang-tidy/misc/ConfusableIdentifierCheck.cpp

@@ -137,11 +137,11 @@ static bool mayShadow(const NamedDecl *ND0,
 const ConfusableIdentifierCheck::ContextInfo *
 ConfusableIdentifierCheck::getContextInfo(const DeclContext *DC) {
   const DeclContext *PrimaryContext = DC->getPrimaryContext();
-  auto It = ContextInfos.find(PrimaryContext);
-  if (It != ContextInfos.end())
+  auto [It, Inserted] = ContextInfos.try_emplace(PrimaryContext);
+  if (!Inserted)
     return &It->second;
 
-  ContextInfo &Info = ContextInfos[PrimaryContext];
+  ContextInfo &Info = It->second;
   Info.PrimaryContext = PrimaryContext;
   Info.NonTransparentContext = PrimaryContext;