Merge branch 'main' into main

Author: ita9naiwa

clang/CMakeLists.txt

@@ -872,58 +872,6 @@ if (CLANG_ENABLE_BOOTSTRAP)
   endforeach()
 endif()
 
-set(CLANG_BOLT OFF CACHE STRING "Apply BOLT optimization to Clang. \
-  May be specified as Instrument or Perf or LBR to use a particular profiling \
-  mechanism.")
-string(TOUPPER "${CLANG_BOLT}" CLANG_BOLT)
-
-if (CLANG_BOLT AND NOT LLVM_BUILD_INSTRUMENTED)
-  set(CLANG_PATH ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
-  set(CLANG_INSTRUMENTED ${LLVM_RUNTIME_OUTPUT_INTDIR}/${CLANG_BOLT_INSTRUMENTED})
-  set(BOLT_FDATA ${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/prof.fdata)
-
-  # Pass extra flag in no-LBR mode
-  if (CLANG_BOLT STREQUAL "PERF")
-    set(BOLT_NO_LBR "-nl")
-  endif()
-
-  if (CLANG_BOLT STREQUAL "INSTRUMENT")
-    # Instrument clang with BOLT
-    add_custom_target(clang-instrumented
-      DEPENDS ${CLANG_INSTRUMENTED}
-    )
-    add_custom_command(OUTPUT ${CLANG_INSTRUMENTED}
-      DEPENDS clang llvm-bolt
-      COMMAND llvm-bolt ${CLANG_PATH} -o ${CLANG_INSTRUMENTED}
-        -instrument --instrumentation-file-append-pid
-        --instrumentation-file=${BOLT_FDATA}
-      COMMENT "Instrumenting clang binary with BOLT"
-      USES_TERMINAL
-      VERBATIM
-    )
-    add_custom_target(clang-bolt-training-deps DEPENDS clang-instrumented)
-  else() # perf or LBR
-    add_custom_target(clang-bolt-training-deps DEPENDS clang)
-  endif()
-
-  # Optimize original (pre-bolt) Clang using the collected profile
-  add_custom_target(clang-bolt
-    DEPENDS clang-bolt-profile
-    COMMAND ${CMAKE_COMMAND} -E rename $<TARGET_FILE:clang> ${CLANG_PATH}-prebolt
-    COMMAND ${CMAKE_COMMAND} -E create_symlink ${CLANG_PATH}-prebolt ${CLANG_PATH}++-prebolt
-    COMMAND llvm-bolt ${CLANG_PATH}-prebolt
-      -o $<TARGET_FILE:clang>
-      -data ${BOLT_FDATA}
-      -reorder-blocks=ext-tsp -reorder-functions=cdsort -split-functions
-      -split-all-cold -split-eh -dyno-stats -use-gnu-stack
-      -update-debug-sections
-      ${BOLT_NO_LBR}
-    COMMENT "Optimizing Clang with BOLT"
-    USES_TERMINAL
-    VERBATIM
-  )
-endif()
-
 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
   add_subdirectory(utils/ClangVisualizers)
 endif()

clang/include/clang/AST/APValue.h

@@ -161,8 +161,9 @@ class APValue {
 
     template <class T> T get() const { return cast<T>(Ptr); }
 
-    template <class T>
-    T dyn_cast() const { return Ptr.dyn_cast<T>(); }
+    template <class T> T dyn_cast() const {
+      return dyn_cast_if_present<T>(Ptr);
+    }
 
     void *getOpaqueValue() const;
 

clang/include/clang/AST/ASTContext.h

@@ -769,7 +769,7 @@ class ASTContext : public RefCountedBase<ASTContext> {
   /// pool.
   DeclListNode *AllocateDeclListNode(clang::NamedDecl *ND) {
     if (DeclListNode *Alloc = ListNodeFreeList) {
-      ListNodeFreeList = Alloc->Rest.dyn_cast<DeclListNode*>();
+      ListNodeFreeList = dyn_cast_if_present<DeclListNode *>(Alloc->Rest);
       Alloc->D = ND;
       Alloc->Rest = nullptr;
       return Alloc;

clang/include/clang/AST/Decl.h

@@ -4035,7 +4035,7 @@ class EnumDecl : public TagDecl {
   /// Return the type source info for the underlying integer type,
   /// if no type source info exists, return 0.
   TypeSourceInfo *getIntegerTypeSourceInfo() const {
-    return IntegerType.dyn_cast<TypeSourceInfo*>();
+    return dyn_cast_if_present<TypeSourceInfo *>(IntegerType);
   }
 
   /// Retrieve the source range that covers the underlying type if

clang/include/clang/AST/DeclBase.h

@@ -1391,7 +1391,7 @@ class DeclContextLookupResult {
   const_iterator end() const { return iterator(); }
 
   bool empty() const { return Result.isNull();  }
-  bool isSingleResult() const { return Result.dyn_cast<NamedDecl*>(); }
+  bool isSingleResult() const { return isa_and_present<NamedDecl *>(Result); }
   reference front() const { return *begin(); }
 
   // Find the first declaration of the given type in the list. Note that this

clang/include/clang/AST/DeclTemplate.h

@@ -2009,7 +2009,8 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,
   /// Retrieve the template argument list as written in the sources,
   /// if any.
   const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
-    if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+    if (auto *Info =
+            dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
       return Info->TemplateArgsAsWritten;
     return cast<const ASTTemplateArgumentListInfo *>(ExplicitInfo);
   }
@@ -2041,7 +2042,8 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,
 
   /// Gets the location of the template keyword, if present.
   SourceLocation getTemplateKeywordLoc() const {
-    if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+    if (auto *Info =
+            dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
       return Info->TemplateKeywordLoc;
     return SourceLocation();
   }
@@ -2786,7 +2788,8 @@ class VarTemplateSpecializationDecl : public VarDecl,
   /// Set the template argument list as written in the sources.
   void
   setTemplateArgsAsWritten(const ASTTemplateArgumentListInfo *ArgsWritten) {
-    if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+    if (auto *Info =
+            dyn_cast_if_present<ExplicitInstantiationInfo *>(ExplicitInfo))
       Info->TemplateArgsAsWritten = ArgsWritten;
     else
       ExplicitInfo = ArgsWritten;

clang/include/clang/AST/Expr.h

@@ -5180,7 +5180,7 @@ class InitListExpr : public Expr {
   /// than there are initializers in the list, specifies an expression to be
   /// used for value initialization of the rest of the elements.
   Expr *getArrayFiller() {
-    return ArrayFillerOrUnionFieldInit.dyn_cast<Expr *>();
+    return dyn_cast_if_present<Expr *>(ArrayFillerOrUnionFieldInit);
   }
   const Expr *getArrayFiller() const {
     return const_cast<InitListExpr *>(this)->getArrayFiller();
@@ -5205,7 +5205,7 @@ class InitListExpr : public Expr {
   /// union. However, a designated initializer can specify the
   /// initialization of a different field within the union.
   FieldDecl *getInitializedFieldInUnion() {
-    return ArrayFillerOrUnionFieldInit.dyn_cast<FieldDecl *>();
+    return dyn_cast_if_present<FieldDecl *>(ArrayFillerOrUnionFieldInit);
   }
   const FieldDecl *getInitializedFieldInUnion() const {
     return const_cast<InitListExpr *>(this)->getInitializedFieldInUnion();

clang/include/clang/AST/ExprCXX.h

@@ -5026,19 +5026,19 @@ class CXXParenListInitExpr final
   void setArrayFiller(Expr *E) { ArrayFillerOrUnionFieldInit = E; }
 
   Expr *getArrayFiller() {
-    return ArrayFillerOrUnionFieldInit.dyn_cast<Expr *>();
+    return dyn_cast_if_present<Expr *>(ArrayFillerOrUnionFieldInit);
   }
 
   const Expr *getArrayFiller() const {
-    return ArrayFillerOrUnionFieldInit.dyn_cast<Expr *>();
+    return dyn_cast_if_present<Expr *>(ArrayFillerOrUnionFieldInit);
   }
 
   void setInitializedFieldInUnion(FieldDecl *FD) {
     ArrayFillerOrUnionFieldInit = FD;
   }
 
   FieldDecl *getInitializedFieldInUnion() {
-    return ArrayFillerOrUnionFieldInit.dyn_cast<FieldDecl *>();
+    return dyn_cast_if_present<FieldDecl *>(ArrayFillerOrUnionFieldInit);
   }
 
   const FieldDecl *getInitializedFieldInUnion() const {

clang/include/clang/Basic/IdentifierTable.h

@@ -1008,7 +1008,7 @@ class Selector {
   }
 
   const IdentifierInfo *getAsIdentifierInfo() const {
-    return InfoPtr.getPointer().dyn_cast<const IdentifierInfo *>();
+    return dyn_cast_if_present<const IdentifierInfo *>(InfoPtr.getPointer());
   }
 
   MultiKeywordSelector *getMultiKeywordSelector() const {

clang/include/clang/Lex/Preprocessor.h

@@ -856,7 +856,7 @@ class Preprocessor {
           !PP.CurSubmoduleState->VisibleModules.getGeneration())
         return nullptr;
 
-      auto *Info = State.dyn_cast<ModuleMacroInfo*>();
+      auto *Info = dyn_cast_if_present<ModuleMacroInfo *>(State);
       if (!Info) {
         Info = new (PP.getPreprocessorAllocator())
             ModuleMacroInfo(cast<MacroDirective *>(State));
@@ -885,18 +885,18 @@ class Preprocessor {
     }
 
     ~MacroState() {
-      if (auto *Info = State.dyn_cast<ModuleMacroInfo*>())
+      if (auto *Info = dyn_cast_if_present<ModuleMacroInfo *>(State))
         Info->~ModuleMacroInfo();
     }
 
     MacroDirective *getLatest() const {
-      if (auto *Info = State.dyn_cast<ModuleMacroInfo*>())
+      if (auto *Info = dyn_cast_if_present<ModuleMacroInfo *>(State))
         return Info->MD;
       return cast<MacroDirective *>(State);
     }
 
     void setLatest(MacroDirective *MD) {
-      if (auto *Info = State.dyn_cast<ModuleMacroInfo*>())
+      if (auto *Info = dyn_cast_if_present<ModuleMacroInfo *>(State))
         Info->MD = MD;
       else
         State = MD;
@@ -940,7 +940,7 @@ class Preprocessor {
 
     void setOverriddenMacros(Preprocessor &PP,
                              ArrayRef<ModuleMacro *> Overrides) {
-      auto *Info = State.dyn_cast<ModuleMacroInfo*>();
+      auto *Info = dyn_cast_if_present<ModuleMacroInfo *>(State);
       if (!Info) {
         if (Overrides.empty())
           return;