[AutoBump] Merge with ff99af7e (Feb 20) (62)

.github/workflows/release-binaries.yml

@@ -138,6 +138,11 @@ jobs:
             arches=arm64
           else
             arches=x86_64
+            # Disable Flang builds on macOS x86_64.  The FortranLower library takes
+            # 2-3 hours to build on macOS, much slower than on Linux.
+            # The long build time causes the release build to time out on x86_64,
+            # so we need to disable flang there.
+            target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_PROJECTS='clang;lld;lldb;clang-tools-extra;bolt;polly;mlir'"
           fi
           target_cmake_flags="$target_cmake_flags -DBOOTSTRAP_BOOTSTRAP_DARWIN_osx_ARCHS=$arches -DBOOTSTRAP_BOOTSTRAP_DARWIN_osx_BUILTIN_ARCHS=$arches"
         fi

bolt/lib/RuntimeLibs/InstrumentationRuntimeLibrary.cpp

@@ -219,7 +219,7 @@ void InstrumentationRuntimeLibrary::link(
   }
   outs() << "BOLT-INFO: output linked against instrumentation runtime "
             "library, lib entry point is 0x"
-         << Twine::utohexstr(RuntimeFiniAddress) << "\n";
+         << Twine::utohexstr(RuntimeStartAddress) << "\n";
   outs() << "BOLT-INFO: clear procedure is 0x"
          << Twine::utohexstr(
                 Linker.lookupSymbol("__bolt_instr_clear_counters").value_or(0))

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

@@ -8,6 +8,8 @@
 
 #include "ConstCorrectnessCheck.h"
 #include "../utils/FixItHintUtils.h"
+#include "../utils/Matchers.h"
+#include "../utils/OptionsUtils.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 #include "clang/ASTMatchers/ASTMatchers.h"
@@ -41,7 +43,9 @@ ConstCorrectnessCheck::ConstCorrectnessCheck(StringRef Name,
       TransformValues(Options.get("TransformValues", true)),
       TransformReferences(Options.get("TransformReferences", true)),
       TransformPointersAsValues(
-          Options.get("TransformPointersAsValues", false)) {
+          Options.get("TransformPointersAsValues", false)),
+      AllowedTypes(
+          utils::options::parseStringList(Options.get("AllowedTypes", ""))) {
   if (AnalyzeValues == false && AnalyzeReferences == false)
     this->configurationDiag(
         "The check 'misc-const-correctness' will not "
@@ -57,6 +61,8 @@ void ConstCorrectnessCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
   Options.store(Opts, "TransformValues", TransformValues);
   Options.store(Opts, "TransformReferences", TransformReferences);
   Options.store(Opts, "TransformPointersAsValues", TransformPointersAsValues);
+  Options.store(Opts, "AllowedTypes",
+                utils::options::serializeStringList(AllowedTypes));
 }
 
 void ConstCorrectnessCheck::registerMatchers(MatchFinder *Finder) {
@@ -73,6 +79,12 @@ void ConstCorrectnessCheck::registerMatchers(MatchFinder *Finder) {
       hasType(referenceType(pointee(hasCanonicalType(templateTypeParmType())))),
       hasType(referenceType(pointee(substTemplateTypeParmType()))));
 
+  const auto AllowedType = hasType(qualType(anyOf(
+      hasDeclaration(namedDecl(matchers::matchesAnyListedName(AllowedTypes))),
+      references(namedDecl(matchers::matchesAnyListedName(AllowedTypes))),
+      pointerType(pointee(hasDeclaration(
+          namedDecl(matchers::matchesAnyListedName(AllowedTypes))))))));
+
   const auto AutoTemplateType = varDecl(
       anyOf(hasType(autoType()), hasType(referenceType(pointee(autoType()))),
             hasType(pointerType(pointee(autoType())))));
@@ -87,7 +99,8 @@ void ConstCorrectnessCheck::registerMatchers(MatchFinder *Finder) {
       unless(anyOf(ConstType, ConstReference, TemplateType,
                    hasInitializer(isInstantiationDependent()), AutoTemplateType,
                    RValueReference, FunctionPointerRef,
-                   hasType(cxxRecordDecl(isLambda())), isImplicit())));
+                   hasType(cxxRecordDecl(isLambda())), isImplicit(),
+                   AllowedType)));
 
   // Match the function scope for which the analysis of all local variables
   // shall be run.

clang-tools-extra/clang-tidy/misc/ConstCorrectnessCheck.h

@@ -45,6 +45,7 @@ class ConstCorrectnessCheck : public ClangTidyCheck {
   const bool TransformValues;
   const bool TransformReferences;
   const bool TransformPointersAsValues;
+  const std::vector<StringRef> AllowedTypes;
 };
 
 } // namespace clang::tidy::misc

clang-tools-extra/clangd/XRefs.cpp

@@ -372,6 +372,15 @@ void enhanceLocatedSymbolsFromIndex(llvm::MutableArrayRef<LocatedSymbol> Result,
   });
 }
 
+bool objcMethodIsTouched(const SourceManager &SM, const ObjCMethodDecl *OMD,
+                         SourceLocation Loc) {
+  unsigned NumSels = OMD->getNumSelectorLocs();
+  for (unsigned I = 0; I < NumSels; ++I)
+    if (SM.getSpellingLoc(OMD->getSelectorLoc(I)) == Loc)
+      return true;
+  return false;
+}
+
 // Decls are more complicated.
 // The AST contains at least a declaration, maybe a definition.
 // These are up-to-date, and so generally preferred over index results.
@@ -430,6 +439,26 @@ locateASTReferent(SourceLocation CurLoc, const syntax::Token *TouchedIdentifier,
         continue;
       }
     }
+    // Special case: - (void)^method {} should jump to overrides, but the decl
+    // shouldn't, only the definition. Note that an Objective-C method can
+    // override a parent class or protocol.
+    //
+    // FIXME: Support jumping from a protocol decl to overrides on go-to
+    // definition.
+    if (const auto *OMD = llvm::dyn_cast<ObjCMethodDecl>(D)) {
+      if (OMD->isThisDeclarationADefinition() && TouchedIdentifier &&
+          objcMethodIsTouched(SM, OMD, TouchedIdentifier->location())) {
+        llvm::SmallVector<const ObjCMethodDecl *, 4> Overrides;
+        OMD->getOverriddenMethods(Overrides);
+        if (!Overrides.empty()) {
+          for (const auto *Override : Overrides)
+            AddResultDecl(Override);
+          LocateASTReferentMetric.record(1, "objc-overriden-method");
+        }
+        AddResultDecl(OMD);
+        continue;
+      }
+    }
 
     // Special case: the cursor is on an alias, prefer other results.
     // This targets "using ns::^Foo", where the target is more interesting.
@@ -1283,6 +1312,12 @@ std::vector<LocatedSymbol> findImplementations(ParsedAST &AST, Position Pos,
     } else if (const auto *RD = dyn_cast<CXXRecordDecl>(ND)) {
       IDs.insert(getSymbolID(RD));
       QueryKind = RelationKind::BaseOf;
+    } else if (const auto *OMD = dyn_cast<ObjCMethodDecl>(ND)) {
+      IDs.insert(getSymbolID(OMD));
+      QueryKind = RelationKind::OverriddenBy;
+    } else if (const auto *ID = dyn_cast<ObjCInterfaceDecl>(ND)) {
+      IDs.insert(getSymbolID(ID));
+      QueryKind = RelationKind::BaseOf;
     }
   }
   return findImplementors(std::move(IDs), QueryKind, Index, AST.tuPath());
@@ -1302,6 +1337,21 @@ void getOverriddenMethods(const CXXMethodDecl *CMD,
   }
 }
 
+// Recursively finds all the overridden methods of `OMD` in complete type
+// hierarchy.
+void getOverriddenMethods(const ObjCMethodDecl *OMD,
+                          llvm::DenseSet<SymbolID> &OverriddenMethods) {
+  if (!OMD)
+    return;
+  llvm::SmallVector<const ObjCMethodDecl *, 4> Overrides;
+  OMD->getOverriddenMethods(Overrides);
+  for (const ObjCMethodDecl *Base : Overrides) {
+    if (auto ID = getSymbolID(Base))
+      OverriddenMethods.insert(ID);
+    getOverriddenMethods(Base, OverriddenMethods);
+  }
+}
+
 std::optional<std::string>
 stringifyContainerForMainFileRef(const Decl *Container) {
   // FIXME We might also want to display the signature here
@@ -1438,6 +1488,12 @@ ReferencesResult findReferences(ParsedAST &AST, Position Pos, uint32_t Limit,
             getOverriddenMethods(CMD, OverriddenMethods);
           }
         }
+        // Special case: Objective-C methods can override a parent class or
+        // protocol, we should be sure to report references to those.
+        if (const auto *OMD = llvm::dyn_cast<ObjCMethodDecl>(ND)) {
+          OverriddenBy.Subjects.insert(getSymbolID(OMD));
+          getOverriddenMethods(OMD, OverriddenMethods);
+        }
       }
     }
 

clang-tools-extra/clangd/unittests/SymbolCollectorTests.cpp

@@ -1335,6 +1335,42 @@ TEST_F(SymbolCollectorTest, OverrideRelationsMultipleInheritance) {
                           OverriddenBy(CBar, DBar), OverriddenBy(CBaz, DBaz)));
 }
 
+TEST_F(SymbolCollectorTest, ObjCOverrideRelationsSimpleInheritance) {
+  std::string Header = R"cpp(
+    @interface A
+    - (void)foo;
+    @end
+    @interface B : A
+    - (void)foo;  // A::foo
+    - (void)bar;
+    @end
+    @interface C : B
+    - (void)bar;  // B::bar
+    @end
+    @interface D : C
+    - (void)foo;  // B::foo
+    - (void)bar;  // C::bar
+    @end
+  )cpp";
+  runSymbolCollector(Header, /*Main=*/"",
+                     {"-xobjective-c++", "-Wno-objc-root-class"});
+  const Symbol &AFoo = findSymbol(Symbols, "A::foo");
+  const Symbol &BFoo = findSymbol(Symbols, "B::foo");
+  const Symbol &DFoo = findSymbol(Symbols, "D::foo");
+
+  const Symbol &BBar = findSymbol(Symbols, "B::bar");
+  const Symbol &CBar = findSymbol(Symbols, "C::bar");
+  const Symbol &DBar = findSymbol(Symbols, "D::bar");
+
+  std::vector<Relation> Result;
+  for (const Relation &R : Relations)
+    if (R.Predicate == RelationKind::OverriddenBy)
+      Result.push_back(R);
+  EXPECT_THAT(Result, UnorderedElementsAre(
+                          OverriddenBy(AFoo, BFoo), OverriddenBy(BBar, CBar),
+                          OverriddenBy(BFoo, DFoo), OverriddenBy(CBar, DBar)));
+}
+
 TEST_F(SymbolCollectorTest, CountReferences) {
   const std::string Header = R"(
     class W;