1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/include/llvm/Use.h b/llvm/include/llvm/Use.h
index 32cdd1b95dd..53df699e703 100644
--- a/llvm/include/llvm/Use.h
+++ b/llvm/include/llvm/Use.h
@@ -29,6 +29,17 @@ class Use;
 /// Tag - generic tag type for (at least 32 bit) pointers
 enum Tag { noTag, tagOne, tagTwo, tagThree };
 
+// Use** is only 4-byte aligned.
+template<>
+class PointerLikeTypeTraits<Use**> {
+public:
+  static inline void *getAsVoidPointer(Use** P) { return P; }
+  static inline Use **getFromVoidPointer(void *P) {
+    return static_cast<Use**>(P);
+  }
+  enum { NumLowBitsAvailable = 2 };
+};
+
 //===----------------------------------------------------------------------===//
 //                                  Use Class
 //===----------------------------------------------------------------------===//