Add a convenient form of AliasAnalysis::alias for the case where the sizes

are unknown.

llvm-svn: 110090

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/include/llvm/Analysis/AliasAnalysis.h b/llvm/include/llvm/Analysis/AliasAnalysis.h
index e611a35fc98..e0068dc7b20 100644
--- a/llvm/include/llvm/Analysis/AliasAnalysis.h
+++ b/llvm/include/llvm/Analysis/AliasAnalysis.h
@@ -94,6 +94,11 @@ public:
   virtual AliasResult alias(const Value *V1, unsigned V1Size,
                             const Value *V2, unsigned V2Size);
 
+  /// alias - A convenience wrapper for the case where the sizes are unknown.
+  AliasResult alias(const Value *V1, const Value *V2) {
+    return alias(V1, ~0u, V2, ~0u);
+  }
+
   /// isNoAlias - A trivial helper function to check to see if the specified
   /// pointers are no-alias.
   bool isNoAlias(const Value *V1, unsigned V1Size,