Adjust to new alias analysis interfaces


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18957 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index 85937ad..8863297 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -113,9 +113,10 @@
   CallSites.push_back(CS);
 
   if (Function *F = CS.getCalledFunction()) {
-    if (AA.doesNotAccessMemory(F))
+    AliasAnalysis::ModRefBehavior Behavior = AA.getModRefBehavior(F, CS);
+    if (Behavior == AliasAnalysis::DoesNotAccessMemory)
       return;
-    else if (AA.onlyReadsMemory(F)) {
+    else if (Behavior == AliasAnalysis::OnlyReadsMemory) {
       AliasTy = MayAlias;
       AccessTy |= Refs;
       return;