Some early declarations to support sentinel attribute on

message dispatches (and function calls later). No change in
functionality.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71683 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 14 insertions, 0 deletions

diff --git a/lib/Frontend/PCHReaderDecl.cpp b/lib/Frontend/PCHReaderDecl.cpp
index e623b6f1d7..3db00ec1b7 100644
--- a/lib/Frontend/PCHReaderDecl.cpp
+++ b/lib/Frontend/PCHReaderDecl.cpp
@@ -452,6 +452,13 @@ Attr *PCHReader::ReadAttributes() {
       New = ::new (*Context) FormatAttr(Type, FormatIdx, FirstArg);
       break;
     }
+        
+    case Attr::Sentinel: {
+      int sentinel = Record[Idx++];
+      int nullPos = Record[Idx++];
+      New = ::new (*Context) SentinelAttr(sentinel, nullPos);
+      break;
+    }
 
     SIMPLE_ATTR(GNUInline);
     
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index dbe0e536e5..e05a73568f 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -1556,6 +1556,13 @@ void PCHWriter::WriteAttributeRecord(const Attr *Attr) {
       break;
     }
 
+    case Attr::Sentinel : {
+      const SentinelAttr *Sentinel = cast<SentinelAttr>(Attr);
+      Record.push_back(Sentinel->getSentinel());
+      Record.push_back(Sentinel->getNullPos());
+      break;
+    }
+        
     case Attr::GNUInline:
     case Attr::IBOutletKind:
     case Attr::NoReturn: