[SYCL] Move driver related __CUDA_ARCH__ test to Driver folder from…

… Preprocessor (#15521)

This PR moves the driver invocation test that checks `__CUDA_ARCH__`
does not get defined and ensures that it doesn't require the
`libspirv-nvptx64-nvidia-cuda` bitcode files by passing
`-fno-sycl-libspirv` to the `%clangxx` command.
Link to the comment in related PR that reported this issue:
#15441 (comment)
Additionally, an extra test is added to check that the
`-fcuda-is-device` option is not supplied in the CC1 invocation
targeting `nvptx64-nvidia-cuda`, which enables
`LangOptions.CudaIsDevice` and was the cause of defining the
`__CUDA_ARCH__` macro.

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

@@ -0,0 +1,11 @@
+// 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"

clang/test/Preprocessor/sycl-macro.cpp

@@ -8,8 +8,6 @@
 // RUN: --check-prefix=CHECK-NO-SYCL_FIT_IN_INT %s
 // RUN: %clang_cc1 %s  -triple nvptx64-nvidia-cuda -target-cpu sm_80 -fsycl-is-device -E -dM | FileCheck \
 // RUN: --check-prefix=CHECK-CUDA %s -DARCH_CODE=800
-// RUN: %clangxx %s -fsycl -nocudalib -fsycl-targets=nvptx64-nvidia-cuda -Xsycl-target-backend --offload-arch=sm_80 -E -dM | FileCheck \
-// RUN: --check-prefix=CHECK-CUDA-SYCL-DRIVER %s
 // RUN: %clang_cc1 %s  -triple amdgcn-amd-amdhsa -target-cpu gfx906 -fsycl-is-device -E -dM | FileCheck --check-prefix=CHECK-HIP %s
 
 // RUN: %clang_cc1 %s  -triple nvptx64-nvidia-cuda -target-cpu sm_90a -fsycl-is-device -E -dM | FileCheck --check-prefix=CHECK-CUDA-FEATURE %s
@@ -38,8 +36,6 @@
 // CHECK-CUDA:#define __SYCL_CUDA_ARCH__ [[ARCH_CODE]]
 // CHECK-CUDA-NOT:#define __CUDA_ARCH__ {{[0-9]+}}
 
-// CHECK-CUDA-SYCL-DRIVER-NOT: #define __CUDA_ARCH__ {{[0-9]+}}
-
 // CHECK-HIP:#define __CUDA_ARCH__ 0
 
 // CHECK-CUDA-FEATURE:#define __CUDA_ARCH_FEAT_SM90_ALL 1