1 files changed, 10 insertions, 0 deletions
diff --git a/test/SemaCUDA/implicit-intrinsic.cu b/test/SemaCUDA/implicit-intrinsic.cu
new file mode 100644
index 0000000..3d24aa7
--- /dev/null
+++ b/test/SemaCUDA/implicit-intrinsic.cu
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -std=gnu++11 -triple nvptx64-unknown-unknown -fsyntax-only -verify %s
+
+#include "Inputs/cuda.h"
+
+// expected-no-diagnostics
+__device__ void __threadfence_system() {
+  // This shouldn't produce an error, since __nvvm_membar_sys is inferred to
+  // be __host__ __device__ and thus callable from device code.
+  __nvvm_membar_sys();
+}