Tidy up several unbeseeming casts from pointer to intptr_t.

llvm-svn: 55779
diff --git a/llvm/lib/Analysis/IPA/CallGraph.cpp b/llvm/lib/Analysis/IPA/CallGraph.cpp
index 19d0fd5..5616ee9a 100644
--- a/llvm/lib/Analysis/IPA/CallGraph.cpp
+++ b/llvm/lib/Analysis/IPA/CallGraph.cpp
@@ -50,7 +50,7 @@
 
 public:
   static char ID; // Class identification, replacement for typeinfo
-  BasicCallGraph() : ModulePass((intptr_t)&ID), Root(0), 
+  BasicCallGraph() : ModulePass(&ID), Root(0), 
     ExternalCallingNode(0), CallsExternalNode(0) {}
 
   // runOnModule - Compute the call graph for the specified module.