diff --git a/llvm/include/llvm/IR/IntrinsicsNVVM.td b/llvm/include/llvm/IR/IntrinsicsNVVM.td
--- a/llvm/include/llvm/IR/IntrinsicsNVVM.td
+++ b/llvm/include/llvm/IR/IntrinsicsNVVM.td
@@ -1582,19 +1582,23 @@
 
 // isspacep.{const, global, local, shared}
 def int_nvvm_isspacep_const
-  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], [IntrNoMem, IntrSpeculatable],
+  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], 
+              [IntrNoMem, IntrSpeculatable, NoCapture<ArgIndex<0>>],
               "llvm.nvvm.isspacep.const">,
     ClangBuiltin<"__nvvm_isspacep_const">;
 def int_nvvm_isspacep_global
-  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], [IntrNoMem, IntrSpeculatable],
+  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], 
+              [IntrNoMem, IntrSpeculatable, NoCapture<ArgIndex<0>>],
               "llvm.nvvm.isspacep.global">,
     ClangBuiltin<"__nvvm_isspacep_global">;
 def int_nvvm_isspacep_local
-  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], [IntrNoMem, IntrSpeculatable],
+  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], 
+              [IntrNoMem, IntrSpeculatable, NoCapture<ArgIndex<0>>],
               "llvm.nvvm.isspacep.local">,
     ClangBuiltin<"__nvvm_isspacep_local">;
 def int_nvvm_isspacep_shared
-  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], [IntrNoMem, IntrSpeculatable],
+  : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_ptr_ty], 
+              [IntrNoMem, IntrSpeculatable, NoCapture<ArgIndex<0>>],
               "llvm.nvvm.isspacep.shared">,
     ClangBuiltin<"__nvvm_isspacep_shared">;