Add driver test checking -fcuda-is-device

Author: Georgi Mirazchiyski

clang/test/Driver/sycl-cuda-arch-macro.cpp

@@ -1,3 +1,11 @@
-// RUN: %clangxx %s -fsycl -nocudalib -fno-sycl-libspirv -fsycl-targets=nvptx64-nvidia-cuda -Xsycl-target-backend --offload-arch=sm_80 -E -dM \
+// Verify the __CUDA_ARCH__ macro has not been defined when offloading SYCL on NVPTX
+// RUN: %clangxx -E -dM -fsycl -fsycl-targets=nvptx64-nvidia-cuda -Xsycl-target-backend --offload-arch=sm_80 -nocudalib -fno-sycl-libspirv %s 2>&1 \
 // RUN: | FileCheck --check-prefix=CHECK-CUDA-ARCH-MACRO %s
 // CHECK-CUDA-ARCH-MACRO-NOT: #define __CUDA_ARCH__ {{[0-9]+}}
+
+// Verify that '-fcuda-is-device' is not supplied when offloading SYCL on NVPTX
+// RUN: %clangxx -### -fsycl -fsycl-targets=nvptx64-nvidia-cuda -Xsycl-target-backend --offload-arch=sm_80 -nocudalib -fno-sycl-libspirv %s 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-CUDA-IS-DEVICE %s
+// CHECK-CUDA-IS-DEVICE: clang{{.*}} "-cc1" "-triple" "nvptx64-nvidia-cuda"
+// CHECK-CUDA-IS-DEVICE-NOT: "-fcuda-is-device"
+// CHECK-CUDA-IS-DEVICE-SAME: "-fsycl-is-device"