| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | // The hd function template is instantiated three times. |
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| 4 | // |
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| 5 | // Two of those instantiations call a device function, which is an error when |
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| 6 | // compiling for host. Clang should report both errors. |
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| 7 | |
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| 8 | #include "Inputs/cuda.h" |
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| 9 | |
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| 10 | template <typename T> |
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| 11 | struct Selector {}; |
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| 12 | |
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| 13 | template <> |
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| 14 | struct Selector<int> { |
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| 15 | __host__ void f() {} |
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| 16 | }; |
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| 17 | |
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| 18 | template <> |
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| 19 | struct Selector<float> { |
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| 20 | __device__ void f() {} // expected-note {{declared here}} |
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| 21 | }; |
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| 22 | |
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| 23 | template <> |
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| 24 | struct Selector<double> { |
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| 25 | __device__ void f() {} // expected-note {{declared here}} |
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| 26 | }; |
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| 27 | |
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| 28 | template <typename T> |
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| 29 | inline __host__ __device__ void hd() { |
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| 30 | Selector<T>().f(); |
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| 31 | // expected-error@-1 2 {{reference to __device__ function}} |
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| 32 | } |
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| 33 | |
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| 34 | void host_fn() { |
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| 35 | hd<int>(); |
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| 36 | hd<double>(); // expected-note {{function template specialization 'hd<double>'}} |
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| 37 | // expected-note@-1 {{called by 'host_fn'}} |
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| 38 | hd<float>(); // expected-note {{function template specialization 'hd<float>'}} |
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| 39 | // expected-note@-1 {{called by 'host_fn'}} |
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| 40 | } |
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| 41 | |
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