// Tests CUDA compilation with -S.
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// REQUIRES: clang-driver
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// REQUIRES: x86-registered-target
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// REQUIRES: nvptx-registered-target
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// RUN: %clang -### -S -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 %s 2>&1 \
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// RUN: | FileCheck -check-prefix HOST -check-prefix SM20 %s
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// RUN: %clang -### -S -target x86_64-linux-gnu --cuda-host-only -o foo.s %s 2>&1 \
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// RUN: | FileCheck -check-prefix HOST %s
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// RUN: %clang -### -S -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 \
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// RUN: --cuda-device-only -o foo.s %s 2>&1 \
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// RUN: | FileCheck -check-prefix SM20 %s
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// RUN: %clang -### -S -target x86_64-linux-gnu --cuda-gpu-arch=sm_20 \
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// RUN: --cuda-gpu-arch=sm_30 --cuda-device-only %s 2>&1 \
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// RUN: | FileCheck -check-prefix SM20 -check-prefix SM30 %s
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// HOST-DAG: "-cc1" "-triple" "x86_64--linux-gnu"
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// SM20-DAG: "-cc1" "-triple" "nvptx64-nvidia-cuda"
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// SM20-same: "-target-cpu" "sm_20"
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// SM30-DAG: "-cc1" "-triple" "nvptx64-nvidia-cuda"
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// SM30-same: "-target-cpu" "sm_30"
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// RUN: %clang -### -S -target x86_64-linux-gnu -o foo.s %s 2>&1 \
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// RUN: | FileCheck -check-prefix MULTIPLE-OUTPUT-FILES %s
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// RUN: %clang -### -S -target x86_64-linux-gnu --cuda-device-only \
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// RUN: --cuda-gpu-arch=sm_20 --cuda-gpu-arch=sm_30 -o foo.s %s 2>&1 \
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// RUN: | FileCheck -check-prefix MULTIPLE-OUTPUT-FILES %s
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// MULTIPLE-OUTPUT-FILES: error: cannot specify -o when generating multiple output files
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