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

include/llvm/Analysis/LoopPass.h

@@ -30,6 +30,7 @@ class LoopPass : public Pass {
 
  public:
   explicit LoopPass(intptr_t pid) : Pass(pid) {}
+  explicit LoopPass(void *pid) : Pass(pid) {}
 
   // runOnLoop - This method should be implemented by the subclass to perform
   // whatever action is necessary for the specified Loop.