Added storage of the FileID of the the main source file of a translation unit

in SourceManager.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45225 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/Basic/SourceManager.cpp b/Basic/SourceManager.cpp
index d7039b3651..fe213426b9 100644
--- a/Basic/SourceManager.cpp
+++ b/Basic/SourceManager.cpp
@@ -508,6 +508,7 @@ MacroIDInfo MacroIDInfo::ReadVal(llvm::Deserializer& D) {
 void SourceManager::Emit(llvm::Serializer& S) const {
   S.EnterBlock();
   S.EmitPtr(this);
+  S.EmitInt(MainFileID);
   
   // Emit: FileInfos.  Just emit the file name.
   S.EnterBlock();    
@@ -541,6 +542,9 @@ SourceManager::CreateAndRegister(llvm::Deserializer& D, FileManager& FMgr){
   SourceManager *M = new SourceManager();
   D.RegisterPtr(M);
   
+  // Read: the FileID of the main source file of the translation unit.
+  M->MainFileID = D.ReadInt();
+  
   std::vector<char> Buf;
     
   { // Read: FileInfos.