add a helper method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120973 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h
index 7531b19c5bad4c5b7cf89941f63d35dbe60fff04..7d5c5fc99b6a967029272d965715b9084ee9b4fc 100644 (file)
--- a/include/llvm/Analysis/AliasAnalysis.h
+++ b/include/llvm/Analysis/AliasAnalysis.h
@@ -182,6 +182,11 @@ public:
                  const Value *V2, uint64_t V2Size) {
     return isNoAlias(Location(V1, V1Size), Location(V2, V2Size));
   }
+  
+  /// isMustAlias - A convenience wrapper.
+  bool isMustAlias(const Location &LocA, const Location &LocB) {
+    return alias(LocA, LocB) == MustAlias;
+  }
 
   /// pointsToConstantMemory - If the specified memory location is
   /// known to be constant, return true. If OrLocal is true and the