clang/test/SemaCUDA/implicit-member-target-collision.cu

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 #include "Inputs/cuda.h"
   4
   5 //------------------------------------------------------------------------------
   6 // Test 1: collision between two bases
   7
   8 struct A1_with_host_ctor {
   9   A1_with_host_ctor() {}
  10 };
  11
  12 struct B1_with_device_ctor {
  13   __device__ B1_with_device_ctor() {}
  14 };
  15
  16 struct C1_with_collision : A1_with_host_ctor, B1_with_device_ctor {
  17 };
  18
  19 // expected-note@-3 {{candidate constructor (the implicit default constructor}} not viable
  20 // expected-note@-4 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}}
  21 // expected-note@-5 {{candidate constructor (the implicit copy constructor}} not viable
  22 // expected-note@-6 {{candidate constructor (the implicit move constructor) not viable}}
  23
  24 void hostfoo1() {
  25   C1_with_collision c; // expected-error {{no matching constructor}}
  26 }
  27
  28 //------------------------------------------------------------------------------
  29 // Test 2: collision between two fields
  30
  31 struct C2_with_collision {
  32   A1_with_host_ctor aa;
  33   B1_with_device_ctor bb;
  34 };
  35
  36 // expected-note@-5 {{candidate constructor (the implicit default constructor}} not viable
  37 // expected-note@-6 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}}
  38 // expected-note@-7 {{candidate constructor (the implicit copy constructor}} not viable
  39 // expected-note@-8 {{candidate constructor (the implicit move constructor) not viable}}
  40
  41 void hostfoo2() {
  42   C2_with_collision c; // expected-error {{no matching constructor}}
  43
  44 }
  45
  46 //------------------------------------------------------------------------------
  47 // Test 3: collision between a field and a base
  48
  49 struct C3_with_collision : A1_with_host_ctor {
  50   B1_with_device_ctor bb;
  51 };
  52
  53 // expected-note@-4 {{candidate constructor (the implicit default constructor}} not viable
  54 // expected-note@-5 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}}
  55 // expected-note@-6 {{candidate constructor (the implicit copy constructor}} not viable
  56 // expected-note@-7 {{candidate constructor (the implicit move constructor) not viable}}
  57
  58 void hostfoo3() {
  59   C3_with_collision c; // expected-error {{no matching constructor}}
  60 }