| // RUN: %clang_cc1 -std=gnu++11 -fsyntax-only -verify %s |
| |
| #include "Inputs/cuda.h" |
| |
| //------------------------------------------------------------------------------ |
| // Test 1: collision between two bases |
| |
| struct A1_with_host_ctor { |
| A1_with_host_ctor() {} |
| }; |
| |
| struct B1_with_device_ctor { |
| __device__ B1_with_device_ctor() {} |
| }; |
| |
| struct C1_with_collision : A1_with_host_ctor, B1_with_device_ctor { |
| }; |
| |
| // expected-note@-3 {{candidate constructor (the implicit default constructor) not viable}} |
| // expected-note@-4 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}} |
| // expected-note@-5 {{candidate constructor (the implicit copy constructor) not viable}} |
| // expected-note@-6 {{candidate constructor (the implicit move constructor) not viable}} |
| |
| void hostfoo1() { |
| C1_with_collision c; // expected-error {{no matching constructor}} |
| } |
| |
| //------------------------------------------------------------------------------ |
| // Test 2: collision between two fields |
| |
| struct C2_with_collision { |
| A1_with_host_ctor aa; |
| B1_with_device_ctor bb; |
| }; |
| |
| // expected-note@-5 {{candidate constructor (the implicit default constructor}} not viable |
| // expected-note@-6 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}} |
| // expected-note@-7 {{candidate constructor (the implicit copy constructor}} not viable |
| // expected-note@-8 {{candidate constructor (the implicit move constructor}} not viable |
| |
| void hostfoo2() { |
| C2_with_collision c; // expected-error {{no matching constructor}} |
| } |
| |
| //------------------------------------------------------------------------------ |
| // Test 3: collision between a field and a base |
| |
| struct C3_with_collision : A1_with_host_ctor { |
| B1_with_device_ctor bb; |
| }; |
| |
| // expected-note@-4 {{candidate constructor (the implicit default constructor}} not viable |
| // expected-note@-5 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}} |
| // expected-note@-6 {{candidate constructor (the implicit copy constructor}} not viable |
| // expected-note@-7 {{candidate constructor (the implicit move constructor}} not viable |
| |
| void hostfoo3() { |
| C3_with_collision c; // expected-error {{no matching constructor}} |
| } |
| |
| //------------------------------------------------------------------------------ |
| // Test 4: collision on resolving a copy ctor |
| |
| struct A4_with_host_copy_ctor { |
| A4_with_host_copy_ctor() {} |
| A4_with_host_copy_ctor(const A4_with_host_copy_ctor&) {} |
| }; |
| |
| struct B4_with_device_copy_ctor { |
| B4_with_device_copy_ctor() {} |
| __device__ B4_with_device_copy_ctor(const B4_with_device_copy_ctor&) {} |
| }; |
| |
| struct C4_with_collision : A4_with_host_copy_ctor, B4_with_device_copy_ctor { |
| }; |
| |
| // expected-note@-3 {{candidate constructor (the implicit default constructor}} not viable |
| // expected-note@-4 {{implicit copy constructor inferred target collision}} |
| // expected-note@-5 {{candidate constructor (the implicit copy constructor}} not viable |
| |
| void hostfoo4() { |
| C4_with_collision c; |
| C4_with_collision c2 = c; // expected-error {{no matching constructor}} |
| } |
| |
| //------------------------------------------------------------------------------ |
| // Test 5: collision on resolving a move ctor |
| |
| struct A5_with_host_move_ctor { |
| A5_with_host_move_ctor() {} |
| A5_with_host_move_ctor(A5_with_host_move_ctor&&) {} |
| // expected-note@-1 {{copy constructor is implicitly deleted because 'A5_with_host_move_ctor' has a user-declared move constructor}} |
| }; |
| |
| struct B5_with_device_move_ctor { |
| B5_with_device_move_ctor() {} |
| __device__ B5_with_device_move_ctor(B5_with_device_move_ctor&&) {} |
| }; |
| |
| struct C5_with_collision : A5_with_host_move_ctor, B5_with_device_move_ctor { |
| }; |
| // expected-note@-2 {{deleted}} |
| |
| void hostfoo5() { |
| C5_with_collision c; |
| // What happens here: |
| // This tries to find the move ctor. Since the move ctor is deleted due to |
| // collision, it then looks for a copy ctor. But copy ctors are implicitly |
| // deleted when move ctors are declared explicitly. |
| C5_with_collision c2(static_cast<C5_with_collision&&>(c)); // expected-error {{call to implicitly-deleted}} |
| } |