diff --git a/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp b/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
--- a/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
@@ -1290,6 +1290,8 @@
 
   O << ".";
   emitPTXAddressSpace(GVar->getType()->getAddressSpace(), O);
+  if (isManaged(*GVar))
+    O << " .attribute(.managed)";
   if (MaybeAlign A = GVar->getAlign())
     O << " .align " << A->value();
   else
diff --git a/llvm/test/CodeGen/NVPTX/managed.ll b/llvm/test/CodeGen/NVPTX/managed.ll
--- a/llvm/test/CodeGen/NVPTX/managed.ll
+++ b/llvm/test/CodeGen/NVPTX/managed.ll
@@ -6,6 +6,11 @@
 ; CHECK: .visible .global .attribute(.managed) .align 4 .u32 managed_g;
 @managed_g = addrspace(1) global i32 zeroinitializer
 
+; CHECK: .extern .global .align 4 .u32 decl_g;
+@decl_g = external addrspace(1) global i32, align 4
+; CHECK: .extern .global .attribute(.managed) .align 8 .b32 managed_decl_g;
+@managed_decl_g = external addrspace(1) global i32*, align 8
 
-!nvvm.annotations = !{!0}
+!nvvm.annotations = !{!0, !1}
 !0 = !{i32 addrspace(1)* @managed_g, !"managed", i32 1}
+!1 = !{i32* addrspace(1)* @managed_decl_g, !"managed", i32 1}