diff --git a/lib/Analysis/AliasDebugger.cpp b/lib/Analysis/AliasDebugger.cpp
index b9fe646..82e705d 100644
--- a/lib/Analysis/AliasDebugger.cpp
+++ b/lib/Analysis/AliasDebugger.cpp
@@ -92,17 +92,18 @@
     //------------------------------------------------
     // Implement the AliasAnalysis API
     //
-    AliasResult alias(const Value *V1, unsigned V1Size,
-                      const Value *V2, unsigned V2Size) {
-      assert(Vals.find(V1) != Vals.end() && "Never seen value in AA before");
-      assert(Vals.find(V2) != Vals.end() && "Never seen value in AA before");    
-      return AliasAnalysis::alias(V1, V1Size, V2, V2Size);
+    AliasResult alias(const Location &LocA, const Location &LocB) {
+      assert(Vals.find(LocA.Ptr) != Vals.end() &&
+             "Never seen value in AA before");
+      assert(Vals.find(LocB.Ptr) != Vals.end() &&
+             "Never seen value in AA before");
+      return AliasAnalysis::alias(LocA, LocB);
     }
 
     ModRefResult getModRefInfo(ImmutableCallSite CS,
-                               const Value *P, unsigned Size) {
-      assert(Vals.find(P) != Vals.end() && "Never seen value in AA before");
-      return AliasAnalysis::getModRefInfo(CS, P, Size);
+                               const Location &Loc) {
+      assert(Vals.find(Loc.Ptr) != Vals.end() && "Never seen value in AA before");
+      return AliasAnalysis::getModRefInfo(CS, Loc);
     }
 
     ModRefResult getModRefInfo(ImmutableCallSite CS1,
@@ -110,9 +111,9 @@
       return AliasAnalysis::getModRefInfo(CS1,CS2);
     }
     
-    bool pointsToConstantMemory(const Value *P) {
-      assert(Vals.find(P) != Vals.end() && "Never seen value in AA before");
-      return AliasAnalysis::pointsToConstantMemory(P);
+    bool pointsToConstantMemory(const Location &Loc) {
+      assert(Vals.find(Loc.Ptr) != Vals.end() && "Never seen value in AA before");
+      return AliasAnalysis::pointsToConstantMemory(Loc);
     }
 
     virtual void deleteValue(Value *V) {