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1 // RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -verify %s
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2 // RUN: %clang_cc1 -triple x86_64-unknown-linux -verify -DHOST %s
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3
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4 #ifndef __CUDA_ARCH__
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5 // expected-no-diagnostics
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6 #endif
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7
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8 #include "Inputs/cuda.h"
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9
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10 void host(int n) {
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11 int x[n];
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12 }
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13
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14 __device__ void device(int n) {
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15 int x[n];
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16 #ifdef __CUDA_ARCH__
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17 // expected-error@-2 {{cannot use variable-length arrays in __device__ functions}}
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18 #endif
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19 }
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20
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21 __host__ __device__ void hd(int n) {
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22 int x[n];
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23 #ifdef __CUDA_ARCH__
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24 // expected-error@-2 {{cannot use variable-length arrays in __host__ __device__ functions}}
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25 #endif
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26 }
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27
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28 // No error because never codegen'ed for device.
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29 __host__ __device__ inline void hd_inline(int n) {
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30 int x[n];
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31 }
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32 void call_hd_inline() { hd_inline(42); }
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