Don't serialize the block descriptor or block extended descriptor

types to AST files; they're only used by debug info generation anyway,
and shouldn't ever exist in the AST anyway.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137122 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/ASTContext.h

@@ -210,9 +210,15 @@ class ASTContext : public llvm::RefCountedBase<ASTContext> {
   TypeDecl *sigjmp_bufDecl;
 
   /// \brief Type for the Block descriptor for Blocks CodeGen.
+  ///
+  /// Since this is only used for generation of debug info, it is not
+  /// serialized.
   mutable RecordDecl *BlockDescriptorType;
 
   /// \brief Type for the Block descriptor for Blocks CodeGen.
+  ///
+  /// Since this is only used for generation of debug info, it is not
+  /// serialized.
   mutable RecordDecl *BlockDescriptorExtendedType;
 
   /// \brief Declaration for the CUDA cudaConfigureCall function.
@@ -565,29 +571,10 @@ public:
   /// blocks.
   QualType getBlockDescriptorType() const;
 
-  // Set the type for a Block descriptor type.
-  void setBlockDescriptorType(QualType T);
-  /// Get the BlockDescriptorType type, or NULL if it hasn't yet been built.
-  QualType getRawBlockdescriptorType() {
-    if (BlockDescriptorType)
-      return getTagDeclType(BlockDescriptorType);
-    return QualType();
-  }
-
   /// This gets the struct used to keep track of the extended descriptor for
   /// pointer to blocks.
   QualType getBlockDescriptorExtendedType() const;
 
-  // Set the type for a Block descriptor extended type.
-  void setBlockDescriptorExtendedType(QualType T);
-  /// Get the BlockDescriptorExtendedType type, or NULL if it hasn't yet been
-  /// built.
-  QualType getRawBlockdescriptorExtendedType() const {
-    if (BlockDescriptorExtendedType)
-      return getTagDeclType(BlockDescriptorExtendedType);
-    return QualType();
-  }
-
   void setcudaConfigureCallDecl(FunctionDecl *FD) {
     cudaConfigureCallDecl = FD;
   }

include/clang/Serialization/ASTBitCodes.h

@@ -662,14 +662,10 @@ namespace clang {
       SPECIAL_TYPE_OBJC_ID_REDEFINITION        = 10,
       /// \brief Objective-C "Class" redefinition type
       SPECIAL_TYPE_OBJC_CLASS_REDEFINITION     = 11,
-      /// \brief Block descriptor type for Blocks CodeGen
-      SPECIAL_TYPE_BLOCK_DESCRIPTOR            = 12,
-      /// \brief Block extedned descriptor type for Blocks CodeGen
-      SPECIAL_TYPE_BLOCK_EXTENDED_DESCRIPTOR   = 13,
       /// \brief Objective-C "SEL" redefinition type
-      SPECIAL_TYPE_OBJC_SEL_REDEFINITION       = 14,
+      SPECIAL_TYPE_OBJC_SEL_REDEFINITION       = 12,
       /// \brief Whether __[u]int128_t identifier is installed.
-      SPECIAL_TYPE_INT128_INSTALLED            = 15
+      SPECIAL_TYPE_INT128_INSTALLED            = 13
     };
 
     /// \brief Predefined declaration IDs.

lib/AST/ASTContext.cpp

@@ -3712,12 +3712,6 @@ QualType ASTContext::getBlockDescriptorType() const {
   return getTagDeclType(BlockDescriptorType);
 }
 
-void ASTContext::setBlockDescriptorType(QualType T) {
-  const RecordType *Rec = T->getAs<RecordType>();
-  assert(Rec && "Invalid BlockDescriptorType");
-  BlockDescriptorType = Rec->getDecl();
-}
-
 QualType ASTContext::getBlockDescriptorExtendedType() const {
   if (BlockDescriptorExtendedType)
     return getTagDeclType(BlockDescriptorExtendedType);
@@ -3761,12 +3755,6 @@ QualType ASTContext::getBlockDescriptorExtendedType() const {
   return getTagDeclType(BlockDescriptorExtendedType);
 }
 
-void ASTContext::setBlockDescriptorExtendedType(QualType T) {
-  const RecordType *Rec = T->getAs<RecordType>();
-  assert(Rec && "Invalid BlockDescriptorType");
-  BlockDescriptorExtendedType = Rec->getDecl();
-}
-
 bool ASTContext::BlockRequiresCopying(QualType Ty) const {
   if (Ty->isObjCRetainableType())
     return true;

lib/Serialization/ASTReader.cpp

@@ -3033,11 +3033,6 @@ void ASTReader::InitializeContext(ASTContext &Ctx) {
     if (unsigned ObjCClassRedef
         = SpecialTypes[SPECIAL_TYPE_OBJC_CLASS_REDEFINITION])
       Context->ObjCClassRedefinitionType = GetType(ObjCClassRedef);
-    if (unsigned String = SpecialTypes[SPECIAL_TYPE_BLOCK_DESCRIPTOR])
-      Context->setBlockDescriptorType(GetType(String));
-    if (unsigned String
-        = SpecialTypes[SPECIAL_TYPE_BLOCK_EXTENDED_DESCRIPTOR])
-      Context->setBlockDescriptorExtendedType(GetType(String));
     if (unsigned ObjCSelRedef
         = SpecialTypes[SPECIAL_TYPE_OBJC_SEL_REDEFINITION])
       Context->ObjCSelRedefinitionType = GetType(ObjCSelRedef);

lib/Serialization/ASTWriter.cpp

@@ -2940,8 +2940,6 @@ void ASTWriter::WriteASTCore(Sema &SemaRef, MemorizeStatCalls *StatCalls,
   AddTypeRef(Context.getsigjmp_bufType(), SpecialTypes);
   AddTypeRef(Context.ObjCIdRedefinitionType, SpecialTypes);
   AddTypeRef(Context.ObjCClassRedefinitionType, SpecialTypes);
-  AddTypeRef(Context.getRawBlockdescriptorType(), SpecialTypes);
-  AddTypeRef(Context.getRawBlockdescriptorExtendedType(), SpecialTypes);
   AddTypeRef(Context.ObjCSelRedefinitionType, SpecialTypes);
   SpecialTypes.push_back(Context.isInt128Installed());