Tidy up several unbeseeming casts from pointer to intptr_t.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopStrengthReduce.cpp

@@ -148,7 +148,7 @@ namespace {
   public:
     static char ID; // Pass ID, replacement for typeid
     explicit LoopStrengthReduce(const TargetLowering *tli = NULL) : 
-      LoopPass((intptr_t)&ID), TLI(tli) {
+      LoopPass(&ID), TLI(tli) {
     }
 
     bool runOnLoop(Loop *L, LPPassManager &LPM);