Add a public accessor for GlobalCtors in CodeGenModule

Summary:
In a JIT context it is useful to be able to access the GlobalCtors
and especially clear them once they have been emitted and called.
This adds a public method to be able to access the list.

Subscribers: yaron.keren, cfe-commits

Differential Revision: http://reviews.llvm.org/D6790

llvm-svn: 224982
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 0dff5fe..619356a 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -261,6 +261,7 @@
   CodeGenModule(const CodeGenModule &) LLVM_DELETED_FUNCTION;
   void operator=(const CodeGenModule &) LLVM_DELETED_FUNCTION;
 
+public:
   struct Structor {
     Structor() : Priority(0), Initializer(nullptr), AssociatedData(nullptr) {}
     Structor(int Priority, llvm::Constant *Initializer,
@@ -274,6 +275,7 @@
 
   typedef std::vector<Structor> CtorList;
 
+private:
   ASTContext &Context;
   const LangOptions &LangOpts;
   const CodeGenOptions &CodeGenOpts;
@@ -624,6 +626,9 @@
     return VTables.getMicrosoftVTableContext();
   }
 
+  CtorList &getGlobalCtors() { return GlobalCtors; }
+  CtorList &getGlobalDtors() { return GlobalDtors; }
+
   llvm::MDNode *getTBAAInfo(QualType QTy);
   llvm::MDNode *getTBAAInfoForVTablePtr();
   llvm::MDNode *getTBAAStructInfo(QualType QTy);