| // Tests that we trigger unused-arg warnings on CUDA flags appropriately. |
| |
| // REQUIRES: clang-driver |
| // REQUIRES: x86-registered-target |
| // REQUIRES: nvptx-registered-target |
| |
| // --cuda-host-only and --cuda-compile-host-device should never trigger an |
| // unused arg warning. |
| // RUN: %clang -### -target x86_64-linux-gnu --cuda-host-only -c %s 2>&1 | \ |
| // RUN: FileCheck %s |
| // RUN: %clang -### -target x86_64-linux-gnu --cuda-host-only -x c -c %s 2>&1 | \ |
| // RUN: FileCheck %s |
| // RUN: %clang -### -target x86_64-linux-gnu --cuda-compile-host-device -c %s 2>&1 | \ |
| // RUN: FileCheck %s |
| // RUN: %clang -### -target x86_64-linux-gnu --cuda-compile-host-device -x c -c %s 2>&1 | \ |
| // RUN: FileCheck %s |
| |
| // --cuda-device-only should warn during non-CUDA compilation. |
| // RUN: %clang -### -target x86_64-linux-gnu --cuda-device-only -x c -c %s 2>&1 | \ |
| // RUN: FileCheck -check-prefix UNUSED-WARNING %s |
| |
| // --cuda-device-only should not produce warning compiling CUDA files |
| // RUN: %clang -### -target x86_64-linux-gnu --cuda-device-only -c %s 2>&1 | \ |
| // RUN: FileCheck -check-prefix NO-UNUSED-WARNING %s |
| |
| // CHECK-NOT: warning: argument unused during compilation: '--cuda-host-only' |
| // CHECK-NOT: warning: argument unused during compilation: '--cuda-compile-host-device' |
| // UNUSED-WARNING: warning: argument unused during compilation: '--cuda-device-only' |
| // NO-UNUSED-WARNING-NOT: warning: argument unused during compilation: '--cuda-device-only' |
