Index: lib/Target/AMDGPU/AMDGPURuntimeMetadata.h
===================================================================
--- lib/Target/AMDGPU/AMDGPURuntimeMetadata.h
+++ lib/Target/AMDGPU/AMDGPURuntimeMetadata.h
@@ -132,6 +132,13 @@
       WriteOnly  = 2,
       ReadWrite  = 3,
     };
+
+    enum AddressSpaceQualifer : uint8_t {
+      Private    = 0,
+      Global     = 1,
+      Constant   = 2,
+      Local      = 3,
+    };
   } // namespace KernelArg
 } // namespace RuntimeMD
 } // namespace AMDGPU