Changed so it gets linked properly

llvm-svn: 3508

2 files changed, 7 insertions, 0 deletions

diff --git a/llvm/include/llvm/Analysis/LoopInfo.h b/llvm/include/llvm/Analysis/LoopInfo.h
index be85e88b46b..73f9719c205 100644
--- a/llvm/include/llvm/Analysis/LoopInfo.h
+++ b/llvm/include/llvm/Analysis/LoopInfo.h
@@ -110,9 +110,15 @@ public:
   //
   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/llvm/lib/Analysis/LoopInfo.cpp b/llvm/lib/Analysis/LoopInfo.cpp
index a2f2ccec5dc..fbd06c1c090 100644
--- a/llvm/lib/Analysis/LoopInfo.cpp
+++ b/llvm/lib/Analysis/LoopInfo.cpp
@@ -40,6 +40,7 @@ void Loop::print(std::ostream &OS) const {
 //===----------------------------------------------------------------------===//
 // LoopInfo implementation
 //
+void LoopInfo::stub() {}
 
 bool LoopInfo::runOnFunction(Function &) {
   releaseMemory();