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1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify \
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2 // RUN: -verify-ignore-unexpected=note %s
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3 // RUN: %clang_cc1 -std=c++11 -fcuda-is-device -fsyntax-only -verify \
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4 // RUN: -verify-ignore-unexpected=note -DDEVICE %s
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5
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6 // Check that we can reference (get a function pointer to) a __global__
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7 // function from the host side, but not the device side. (We don't yet support
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8 // device-side kernel launches.)
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9
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10 #include "Inputs/cuda.h"
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11
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12 struct Dummy {};
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13
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14 __global__ void kernel() {}
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15
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16 typedef void (*fn_ptr_t)();
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17
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18 __host__ __device__ fn_ptr_t get_ptr_hd() {
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19 return kernel;
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20 #ifdef DEVICE
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21 // expected-error@-2 {{reference to __global__ function}}
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22 #endif
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23 }
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24 __host__ fn_ptr_t get_ptr_h() {
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25 return kernel;
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26 }
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27 __device__ fn_ptr_t get_ptr_d() {
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28 return kernel; // expected-error {{reference to __global__ function}}
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29 }
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