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/LoopIndexSplit.cpp

@@ -33,7 +33,7 @@ namespace {
 
   public:
     static char ID; // Pass ID, replacement for typeid
-    LoopIndexSplit() : LoopPass((intptr_t)&ID) {}
+    LoopIndexSplit() : LoopPass(&ID) {}
 
     // Index split Loop L. Return true if loop is split.
     bool runOnLoop(Loop *L, LPPassManager &LPM);