diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 60fe15f..dbeb9ea 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -196,7 +196,7 @@
         // pointer, not on query pointers that are indexed off of them.  It'd
         // be nice to handle that at some point.
         AliasAnalysis::AliasResult R = 
-          AA->alias(II->getOperand(3), ~0ULL, MemPtr, ~0ULL);
+          AA->alias(II->getOperand(3), ~0U, MemPtr, ~0U);
         if (R == AliasAnalysis::MustAlias) {
           InvariantTag = II->getOperand(1);
           continue;
@@ -209,7 +209,7 @@
         // pointer, not on query pointers that are indexed off of them.  It'd
         // be nice to handle that at some point.
         AliasAnalysis::AliasResult R =
-          AA->alias(II->getOperand(2), ~0ULL, MemPtr, ~0ULL);
+          AA->alias(II->getOperand(2), ~0U, MemPtr, ~0U);
         if (R == AliasAnalysis::MustAlias)
           return MemDepResult::getDef(II);
       }