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

lib/Transforms/Scalar/LoopUnswitch.cpp

@@ -69,6 +69,9 @@ namespace {
     SmallPtrSet<Value *,8> UnswitchedVals;
 
   public:
+    static const int ID; // Pass ID, replacement for typeid
+    LoopUnswitch() : LoopPass((intptr_t)&ID) {}
+
     bool runOnLoop(Loop *L, LPPassManager &LPM);
 
     /// This transformation requires natural loop information & requires that
@@ -109,6 +112,7 @@ namespace {
                            std::vector<Instruction*> &Worklist);
     void RemoveLoopFromHierarchy(Loop *L);
   };
+  const int LoopUnswitch::ID = 0;
   RegisterPass<LoopUnswitch> X("loop-unswitch", "Unswitch loops");
 }