From: Manman Ren <manman.ren@gmail.com>
Date: Sat, 20 Aug 2016 03:00:54 +0000 (+0000)
Subject: Revert r279351 and r279357 due to bot failures
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=41d8a468bd07b9d2f72347f28eb3a4bc2e222a5e;p=clang

Revert r279351 and r279357 due to bot failures

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@279358 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/AST/Type.h b/include/clang/AST/Type.h
index 3012349047..6bbba48a9c 100644
--- a/include/clang/AST/Type.h
+++ b/include/clang/AST/Type.h
@@ -4699,59 +4699,6 @@ public:
   }
 };
 
-/// This class wraps the list of protocol qualifiers. For types that can
-/// take ObjC protocol qualifers, they can subclass this class.
-template <class T>
-class ObjCProtocolQualifiers {
-protected:
-  ObjCProtocolQualifiers() {}
-  ObjCProtocolDecl * const *getProtocolStorage() const {
-    return const_cast<ObjCProtocolQualifiers*>(this)->getProtocolStorage();
-  }
-
-  ObjCProtocolDecl **getProtocolStorage() {
-    return static_cast<T*>(this)->getProtocolStorageImpl();
-  }
-  void setNumProtocols(unsigned N) {
-    static_cast<T*>(this)->setNumProtocolsImpl(N);
-  }
-  void initialize(ArrayRef<ObjCProtocolDecl *> protocols) {
-    setNumProtocols(protocols.size());
-    assert(getNumProtocols() == protocols.size() &&
-           "bitfield overflow in protocol count");
-    if (!protocols.empty())
-      memcpy(getProtocolStorage(), protocols.data(),
-             protocols.size() * sizeof(ObjCProtocolDecl*));
-  }
-
-public:
-  typedef ObjCProtocolDecl * const *qual_iterator;
-  typedef llvm::iterator_range<qual_iterator> qual_range;
-
-  qual_range quals() const { return qual_range(qual_begin(), qual_end()); }
-  qual_iterator qual_begin() const { return getProtocolStorage(); }
-  qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); }
-
-  bool qual_empty() const { return getNumProtocols() == 0; }
-
-  /// Return the number of qualifying protocols in this type, or 0 if
-  /// there are none.
-  unsigned getNumProtocols() const {
-    return static_cast<const T*>(this)->getNumProtocolsImpl();
-  }
-
-  /// Fetch a protocol by index.
-  ObjCProtocolDecl *getProtocol(unsigned I) const {
-    assert(I < getNumProtocols() && "Out-of-range protocol access");
-    return qual_begin()[I];
-  }
-
-  /// Retrieve all of the protocol qualifiers.
-  ArrayRef<ObjCProtocolDecl *> getProtocols() const {
-    return ArrayRef<ObjCProtocolDecl *>(qual_begin(), getNumProtocols());
-  }
-};
-
 /// Represents a class type in Objective C.
 ///
 /// Every Objective C type is a combination of a base type, a set of
@@ -4780,9 +4727,7 @@ public:
 /// 'id<P>' is an ObjCObjectPointerType whose pointee is an ObjCObjectType
 /// with base BuiltinType::ObjCIdType and protocol list [P].  Eventually
 /// this should get its own sugar class to better represent the source.
-class ObjCObjectType : public Type,
-                       public ObjCProtocolQualifiers<ObjCObjectType> {
-  template <class T> friend class ObjCProtocolQualifiers;
+class ObjCObjectType : public Type {
   // ObjCObjectType.NumTypeArgs - the number of type arguments stored
   // after the ObjCObjectPointerType node.
   // ObjCObjectType.NumProtocols - the number of protocols stored
@@ -4802,20 +4747,16 @@ class ObjCObjectType : public Type,
   mutable llvm::PointerIntPair<const ObjCObjectType *, 1, bool>
     CachedSuperClassType;
 
+  ObjCProtocolDecl * const *getProtocolStorage() const {
+    return const_cast<ObjCObjectType*>(this)->getProtocolStorage();
+  }
+
   QualType *getTypeArgStorage();
   const QualType *getTypeArgStorage() const {
     return const_cast<ObjCObjectType *>(this)->getTypeArgStorage();
   }
 
-  ObjCProtocolDecl **getProtocolStorageImpl();
-  /// Return the number of qualifying protocols in this interface type,
-  /// or 0 if there are none.
-  unsigned getNumProtocolsImpl() const {
-    return ObjCObjectTypeBits.NumProtocols;
-  }
-  void setNumProtocolsImpl(unsigned N) {
-    ObjCObjectTypeBits.NumProtocols = N;
-  }
+  ObjCProtocolDecl **getProtocolStorage();
 
 protected:
   ObjCObjectType(QualType Canonical, QualType Base,
@@ -4892,6 +4833,30 @@ public:
                               ObjCObjectTypeBits.NumTypeArgs);
   }
 
+  typedef ObjCProtocolDecl * const *qual_iterator;
+  typedef llvm::iterator_range<qual_iterator> qual_range;
+
+  qual_range quals() const { return qual_range(qual_begin(), qual_end()); }
+  qual_iterator qual_begin() const { return getProtocolStorage(); }
+  qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); }
+
+  bool qual_empty() const { return getNumProtocols() == 0; }
+
+  /// Return the number of qualifying protocols in this interface type,
+  /// or 0 if there are none.
+  unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; }
+
+  /// Fetch a protocol by index.
+  ObjCProtocolDecl *getProtocol(unsigned I) const {
+    assert(I < getNumProtocols() && "Out-of-range protocol access");
+    return qual_begin()[I];
+  }
+
+  /// Retrieve all of the protocol qualifiers.
+  ArrayRef<ObjCProtocolDecl *> getProtocols() const {
+    return ArrayRef<ObjCProtocolDecl *>(qual_begin(), getNumProtocols());
+  }
+
   /// Whether this is a "__kindof" type as written.
   bool isKindOfTypeAsWritten() const { return ObjCObjectTypeBits.IsKindOf; }
 
@@ -4954,7 +4919,7 @@ inline QualType *ObjCObjectType::getTypeArgStorage() {
   return reinterpret_cast<QualType *>(static_cast<ObjCObjectTypeImpl*>(this)+1);
 }
 
-inline ObjCProtocolDecl **ObjCObjectType::getProtocolStorageImpl() {
+inline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() {
     return reinterpret_cast<ObjCProtocolDecl**>(
              getTypeArgStorage() + ObjCObjectTypeBits.NumTypeArgs);
 }
diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index 2629aecbe5..4c1d4ec540 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -546,9 +546,15 @@ ObjCObjectType::ObjCObjectType(QualType Canonical, QualType Base,
   ObjCObjectTypeBits.NumTypeArgs = typeArgs.size();
   assert(getTypeArgsAsWritten().size() == typeArgs.size() &&
          "bitfield overflow in type argument count");
+  ObjCObjectTypeBits.NumProtocols = protocols.size();
+  assert(getNumProtocols() == protocols.size() &&
+         "bitfield overflow in protocol count");
   if (!typeArgs.empty())
     memcpy(getTypeArgStorage(), typeArgs.data(),
            typeArgs.size() * sizeof(QualType));
+  if (!protocols.empty())
+    memcpy(getProtocolStorage(), protocols.data(),
+           protocols.size() * sizeof(ObjCProtocolDecl*));
 
   for (auto typeArg : typeArgs) {
     if (typeArg->isDependentType())
@@ -559,9 +565,6 @@ ObjCObjectType::ObjCObjectType(QualType Canonical, QualType Base,
     if (typeArg->containsUnexpandedParameterPack())
       setContainsUnexpandedParameterPack();
   }
-  // Initialize the protocol qualifiers. The protocol storage is known
-  // after we set number of type arguments.
-  initialize(protocols);
 }
 
 bool ObjCObjectType::isSpecialized() const {