diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index b417a48..7d43093 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -208,8 +208,8 @@
   ///
   struct VISIBILITY_HIDDEN NoAA : public ImmutablePass, public AliasAnalysis {
     static char ID; // Class identification, replacement for typeinfo
-    NoAA() : ImmutablePass((intptr_t)&ID) {}
-    explicit NoAA(intptr_t PID) : ImmutablePass(PID) { }
+    NoAA() : ImmutablePass(&ID) {}
+    explicit NoAA(void *PID) : ImmutablePass(PID) { }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<TargetData>();
@@ -269,7 +269,7 @@
   /// derives from the NoAA class.
   struct VISIBILITY_HIDDEN BasicAliasAnalysis : public NoAA {
     static char ID; // Class identification, replacement for typeinfo
-    BasicAliasAnalysis() : NoAA((intptr_t)&ID) { }
+    BasicAliasAnalysis() : NoAA(&ID) {}
     AliasResult alias(const Value *V1, unsigned V1Size,
                       const Value *V2, unsigned V2Size);