| 1 | // Tests that we trigger unused-arg warnings on CUDA flags appropriately. |
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| 2 | |
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| 3 | // REQUIRES: clang-driver |
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| 4 | // REQUIRES: x86-registered-target |
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| 5 | // REQUIRES: nvptx-registered-target |
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| 6 | |
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| 7 | // --cuda-host-only and --cuda-compile-host-device should never trigger an |
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| 8 | // unused arg warning. |
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| 9 | // RUN: %clang -### -target x86_64-linux-gnu --cuda-host-only -c %s 2>&1 | \ |
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| 10 | // RUN: FileCheck %s |
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| 11 | // RUN: %clang -### -target x86_64-linux-gnu --cuda-host-only -x c -c %s 2>&1 | \ |
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| 12 | // RUN: FileCheck %s |
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| 13 | // RUN: %clang -### -target x86_64-linux-gnu --cuda-compile-host-device -c %s 2>&1 | \ |
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| 14 | // RUN: FileCheck %s |
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| 15 | // RUN: %clang -### -target x86_64-linux-gnu --cuda-compile-host-device -x c -c %s 2>&1 | \ |
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| 16 | // RUN: FileCheck %s |
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| 17 | |
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| 18 | // --cuda-device-only should warn during non-CUDA compilation. |
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| 19 | // RUN: %clang -### -target x86_64-linux-gnu --cuda-device-only -x c -c %s 2>&1 | \ |
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| 20 | // RUN: FileCheck -check-prefix UNUSED-WARNING %s |
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| 21 | |
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| 22 | // --cuda-device-only should not produce warning compiling CUDA files |
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| 23 | // RUN: %clang -### -target x86_64-linux-gnu --cuda-device-only -c %s 2>&1 | \ |
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| 24 | // RUN: FileCheck -check-prefix NO-UNUSED-WARNING %s |
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| 25 | |
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| 26 | // CHECK-NOT: warning: argument unused during compilation: '--cuda-host-only' |
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| 27 | // CHECK-NOT: warning: argument unused during compilation: '--cuda-compile-host-device' |
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| 28 | // UNUSED-WARNING: warning: argument unused during compilation: '--cuda-device-only' |
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| 29 | // NO-UNUSED-WARNING-NOT: warning: argument unused during compilation: '--cuda-device-only' |
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| 30 | |
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