1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/IR/GlobalAlias.h b/include/llvm/IR/GlobalAlias.h
index 5aa4261256..7aa0714949 100644
--- a/include/llvm/IR/GlobalAlias.h
+++ b/include/llvm/IR/GlobalAlias.h
@@ -82,6 +82,10 @@ public:
   static inline bool classof(const Value *V) {
     return V->getValueID() == Value::GlobalAliasVal;
   }
+
+  // return the constant offset of an expression, with which this global var
+  // has alias.
+  uint64_t calculateOffset(const DataLayout &DL) const;
 };
 
 template <>