Do not use typeinfo to identify pass in pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/LoopInfo.h

@@ -241,6 +241,9 @@ class LoopInfo : public FunctionPass {
   std::vector<Loop*> TopLevelLoops;
   friend class Loop;
 public:
+  static const int ID; // Pass identifcation, replacement for typeid
+
+  LoopInfo() : FunctionPass((intptr_t)&ID) {}
   ~LoopInfo() { releaseMemory(); }
 
   /// iterator/begin/end - The interface to the top-level loops in the current