PCH support for all of the predefined Objective-C types, such as id,
SEL, Class, Protocol, CFConstantString, and
__objcFastEnumerationState. With this, we can now run the Objective-C
methods and properties PCH tests.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69932 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index d225c68..2caab32 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1948,7 +1948,19 @@
   // Load the special types.
   Context.setBuiltinVaListType(
     GetType(SpecialTypes[pch::SPECIAL_TYPE_BUILTIN_VA_LIST]));
-
+  if (unsigned Id = SpecialTypes[pch::SPECIAL_TYPE_OBJC_ID])
+    Context.setObjCIdType(GetType(Id));
+  if (unsigned Sel = SpecialTypes[pch::SPECIAL_TYPE_OBJC_SELECTOR])
+    Context.setObjCSelType(GetType(Sel));
+  if (unsigned Proto = SpecialTypes[pch::SPECIAL_TYPE_OBJC_PROTOCOL])
+    Context.setObjCProtoType(GetType(Proto));
+  if (unsigned Class = SpecialTypes[pch::SPECIAL_TYPE_OBJC_CLASS])
+    Context.setObjCClassType(GetType(Class));
+  if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_CF_CONSTANT_STRING])
+    Context.setCFConstantStringType(GetType(String));
+  if (unsigned FastEnum 
+        = SpecialTypes[pch::SPECIAL_TYPE_OBJC_FAST_ENUMERATION_STATE])
+    Context.setObjCFastEnumerationStateType(GetType(FastEnum));
   // If we saw the preprocessor block, read it now.
   if (PreprocessorBlockOffset) {
     SavedStreamPosition SavedPos(Stream);