Implemented serialization of LabelStmts.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43800 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/StmtSerialization.cpp b/AST/StmtSerialization.cpp
index e27c703..9f2a7cb 100644
--- a/AST/StmtSerialization.cpp
+++ b/AST/StmtSerialization.cpp
@@ -46,6 +46,9 @@
     case IntegerLiteralClass:
       return IntegerLiteral::directMaterialize(D);
       
+    case LabelStmtClass:
+      return LabelStmt::directMaterialize(D);
+      
     case NullStmtClass:
       return NullStmt::directMaterialize(D);
       
@@ -140,6 +143,19 @@
   return expr;
 }
 
+void LabelStmt::directEmit(llvm::Serializer& S) const {
+  S.EmitPtr(Label);
+  S.Emit(IdentLoc);
+  S.EmitOwnedPtr(SubStmt);
+}
+
+LabelStmt* LabelStmt::directMaterialize(llvm::Deserializer& D) {
+  IdentifierInfo* Label = D.ReadPtr<IdentifierInfo>();
+  SourceLocation IdentLoc = SourceLocation::ReadVal(D);
+  Stmt* SubStmt = D.ReadOwnedPtr<Stmt>();
+  return new LabelStmt(IdentLoc,Label,SubStmt);
+}
+
 void NullStmt::directEmit(llvm::Serializer& S) const {
   S.Emit(SemiLoc);
 }
diff --git a/include/clang/AST/Stmt.h b/include/clang/AST/Stmt.h
index 102b3f8..67cf0c0 100644
--- a/include/clang/AST/Stmt.h
+++ b/include/clang/AST/Stmt.h
@@ -349,6 +349,9 @@
   // Iterators
   virtual child_iterator child_begin();
   virtual child_iterator child_end();
+  
+  virtual void directEmit(llvm::Serializer& S) const;
+  static LabelStmt* directMaterialize(llvm::Deserializer& D);
 };