Index: test/Driver/cuda-preprocess.cu
===================================================================
--- /dev/null
+++ test/Driver/cuda-preprocess.cu
@@ -0,0 +1,29 @@
+// Tests CUDA compilation with -E.
+
+// REQUIRES: clang-driver
+// REQUIRES: x86-registered-target
+// REQUIRES: nvptx-registered-target
+
+#ifndef __CUDA_ARCH__
+clang_unittest_no_arch
+#else
+clang_unittest_cuda_arch __CUDA_ARCH__
+#endif
+
+// RUN: %clang -E -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 %s 2>&1 \
+// RUN:   | FileCheck -check-prefix NOARCH %s
+// RUN: %clang -E -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 --cuda-host-only %s 2>&1 \
+// RUN:   | FileCheck -check-prefix NOARCH %s
+// NOARCH: clang_unittest_no_arch
+
+// RUN: %clang -E -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 --cuda-device-only %s 2>&1 \
+// RUN:   | FileCheck -check-prefix SM20 %s
+// SM20: clang_unittest_cuda_arch 200
+
+// RUN: %clang -E -target x86_64-linux-gnu --cuda-gpu-arch=sm_30 --cuda-device-only %s 2>&1 \
+// RUN:   | FileCheck -check-prefix SM30 %s
+// SM30: clang_unittest_cuda_arch 300
+
+// RUN: %clang -E -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 --cuda-gpu-arch=sm_30 \
+// RUN:   --cuda-device-only %s 2>&1 \
+// RUN:   | FileCheck -check-prefix SM20 -check-prefix SM30 %s