PCH support for labels and goto.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69364 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/include/clang/Frontend/PCHWriter.h b/include/clang/Frontend/PCHWriter.h
index 5828637b04..d8f43bb305 100644
--- a/include/clang/Frontend/PCHWriter.h
+++ b/include/clang/Frontend/PCHWriter.h
@@ -32,6 +32,7 @@ namespace llvm {
 namespace clang {
 
 class ASTContext;
+class LabelStmt;
 class Preprocessor;
 class SourceManager;
 class SwitchCase;
@@ -113,6 +114,9 @@ private:
   /// \brief Mapping from SwitchCase statements to IDs.
   std::map<SwitchCase *, unsigned> SwitchCaseIDs;
   
+  /// \brief Mapping from LabelStmt statements to IDs.
+  std::map<LabelStmt *, unsigned> LabelIDs;
+
   void WriteTargetTriple(const TargetInfo &Target);
   void WriteLanguageOptions(const LangOptions &LangOpts);
   void WriteSourceManagerBlock(SourceManager &SourceMgr);
@@ -182,6 +186,10 @@ public:
   /// \brief Retrieve the ID for the given switch-case statement.
   unsigned getSwitchCaseID(SwitchCase *S);
 
+  /// \brief Retrieve the ID for the given label statement, which may
+  /// or may not have been emitted yet.
+  unsigned GetLabelID(LabelStmt *S);
+
 };
 
 } // end namespace clang