1 files changed, 14 insertions, 2 deletions
diff --git a/include/llvm/IR/GlobalObject.h b/include/llvm/IR/GlobalObject.h
index 2e042f4..546fea2 100644
--- a/include/llvm/IR/GlobalObject.h
+++ b/include/llvm/IR/GlobalObject.h
@@ -1,4 +1,4 @@
-//===-- llvm/GlobalObject.h - Class to represent a global object *- C++ -*-===//
+//===-- llvm/GlobalObject.h - Class to represent global objects -*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -35,12 +35,24 @@ protected:
 
   std::string Section;     // Section to emit this into, empty means default
   Comdat *ObjComdat;
+  static const unsigned AlignmentBits = 5;
+  static const unsigned GlobalObjectSubClassDataBits =
+      GlobalValueSubClassDataBits - AlignmentBits;
+
+private:
+  static const unsigned AlignmentMask = (1 << AlignmentBits) - 1;
+
 public:
   unsigned getAlignment() const {
-    return (1u << getGlobalValueSubClassData()) >> 1;
+    unsigned Data = getGlobalValueSubClassData();
+    unsigned AlignmentData = Data & AlignmentMask;
+    return (1u << AlignmentData) >> 1;
   }
   void setAlignment(unsigned Align);
 
+  unsigned getGlobalObjectSubClassData() const;
+  void setGlobalObjectSubClassData(unsigned Val);
+
   bool hasSection() const { return !StringRef(getSection()).empty(); }
   const char *getSection() const { return Section.c_str(); }
   void setSection(StringRef S);