Changed so it gets linked properly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3508 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index be85e88..73f9719 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -110,9 +110,15 @@
   //
   virtual void getAnalysisUsage(AnalysisUsage &AU) const;
 
+  static void stub();  // Noop
 private:
   void Calculate(const DominatorSet &DS);
   Loop *ConsiderForLoop(BasicBlock *BB, const DominatorSet &DS);
 };
 
+
+// Make sure that any clients of this file link in PostDominators.cpp
+static IncludeFile
+LOOP_INFO_INCLUDE_FILE((void*)&LoopInfo::stub);
+
 #endif
diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp
index a2f2cce..fbd06c1 100644
--- a/lib/Analysis/LoopInfo.cpp
+++ b/lib/Analysis/LoopInfo.cpp
@@ -40,6 +40,7 @@
 //===----------------------------------------------------------------------===//
 // LoopInfo implementation
 //
+void LoopInfo::stub() {}
 
 bool LoopInfo::runOnFunction(Function &) {
   releaseMemory();