| 1 | // RUN: %clang_cc1 -std=gnu++11 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | #include "Inputs/cuda.h" |
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| 4 | |
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| 5 | //------------------------------------------------------------------------------ |
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| 6 | // Test 1: collision between two bases |
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| 7 | |
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| 8 | struct A1_with_host_ctor { |
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| 9 | A1_with_host_ctor() {} |
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| 10 | }; |
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| 11 | |
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| 12 | struct B1_with_device_ctor { |
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| 13 | __device__ B1_with_device_ctor() {} |
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| 14 | }; |
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| 15 | |
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| 16 | struct C1_with_collision : A1_with_host_ctor, B1_with_device_ctor { |
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| 17 | }; |
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| 18 | |
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| 19 | // expected-note@-3 {{candidate constructor (the implicit default constructor) not viable}} |
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| 20 | // expected-note@-4 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}} |
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| 21 | // expected-note@-5 {{candidate constructor (the implicit copy constructor) not viable}} |
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| 22 | // expected-note@-6 {{candidate constructor (the implicit move constructor) not viable}} |
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| 23 | |
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| 24 | void hostfoo1() { |
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| 25 | C1_with_collision c; // expected-error {{no matching constructor}} |
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| 26 | } |
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| 27 | |
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| 28 | //------------------------------------------------------------------------------ |
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| 29 | // Test 2: collision between two fields |
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| 30 | |
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| 31 | struct C2_with_collision { |
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| 32 | A1_with_host_ctor aa; |
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| 33 | B1_with_device_ctor bb; |
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| 34 | }; |
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| 35 | |
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| 36 | // expected-note@-5 {{candidate constructor (the implicit default constructor}} not viable |
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| 37 | // expected-note@-6 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}} |
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| 38 | // expected-note@-7 {{candidate constructor (the implicit copy constructor}} not viable |
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| 39 | // expected-note@-8 {{candidate constructor (the implicit move constructor}} not viable |
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| 40 | |
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| 41 | void hostfoo2() { |
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| 42 | C2_with_collision c; // expected-error {{no matching constructor}} |
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| 43 | } |
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| 44 | |
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| 45 | //------------------------------------------------------------------------------ |
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| 46 | // Test 3: collision between a field and a base |
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| 47 | |
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| 48 | struct C3_with_collision : A1_with_host_ctor { |
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| 49 | B1_with_device_ctor bb; |
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| 50 | }; |
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| 51 | |
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| 52 | // expected-note@-4 {{candidate constructor (the implicit default constructor}} not viable |
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| 53 | // expected-note@-5 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}} |
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| 54 | // expected-note@-6 {{candidate constructor (the implicit copy constructor}} not viable |
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| 55 | // expected-note@-7 {{candidate constructor (the implicit move constructor}} not viable |
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| 56 | |
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| 57 | void hostfoo3() { |
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| 58 | C3_with_collision c; // expected-error {{no matching constructor}} |
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| 59 | } |
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| 60 | |
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| 61 | //------------------------------------------------------------------------------ |
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| 62 | // Test 4: collision on resolving a copy ctor |
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| 63 | |
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| 64 | struct A4_with_host_copy_ctor { |
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| 65 | A4_with_host_copy_ctor() {} |
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| 66 | A4_with_host_copy_ctor(const A4_with_host_copy_ctor&) {} |
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| 67 | }; |
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| 68 | |
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| 69 | struct B4_with_device_copy_ctor { |
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| 70 | B4_with_device_copy_ctor() {} |
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| 71 | __device__ B4_with_device_copy_ctor(const B4_with_device_copy_ctor&) {} |
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| 72 | }; |
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| 73 | |
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| 74 | struct C4_with_collision : A4_with_host_copy_ctor, B4_with_device_copy_ctor { |
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| 75 | }; |
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| 76 | |
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| 77 | // expected-note@-3 {{copy constructor of 'C4_with_collision' is implicitly deleted because base class 'B4_with_device_copy_ctor' has no copy constructor}} |
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| 78 | |
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| 79 | void hostfoo4() { |
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| 80 | C4_with_collision c; |
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| 81 | C4_with_collision c2 = c; // expected-error {{call to implicitly-deleted copy constructor of 'C4_with_collision'}} |
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| 82 | } |
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| 83 | |
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| 84 | //------------------------------------------------------------------------------ |
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| 85 | // Test 5: collision on resolving a move ctor |
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| 86 | |
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| 87 | struct A5_with_host_move_ctor { |
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| 88 | A5_with_host_move_ctor() {} |
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| 89 | A5_with_host_move_ctor(A5_with_host_move_ctor&&) {} |
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| 90 | // expected-note@-1 {{copy constructor is implicitly deleted because 'A5_with_host_move_ctor' has a user-declared move constructor}} |
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| 91 | }; |
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| 92 | |
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| 93 | struct B5_with_device_move_ctor { |
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| 94 | B5_with_device_move_ctor() {} |
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| 95 | __device__ B5_with_device_move_ctor(B5_with_device_move_ctor&&) {} |
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| 96 | }; |
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| 97 | |
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| 98 | struct C5_with_collision : A5_with_host_move_ctor, B5_with_device_move_ctor { |
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| 99 | }; |
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| 100 | // expected-note@-2 {{deleted}} |
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| 101 | |
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| 102 | void hostfoo5() { |
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| 103 | C5_with_collision c; |
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| 104 | // What happens here: |
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| 105 | // This tries to find the move ctor. Since the move ctor is deleted due to |
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| 106 | // collision, it then looks for a copy ctor. But copy ctors are implicitly |
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| 107 | // deleted when move ctors are declared explicitly. |
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| 108 | C5_with_collision c2(static_cast<C5_with_collision&&>(c)); // expected-error {{call to implicitly-deleted}} |
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| 109 | } |
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| 110 | |
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