clang/test/SemaSYCL/special-class-attribute.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -fsycl-is-device -verify %s
   2
   3 // No diagnostics
   4 class [[clang::sycl_special_class]] class1 {
   5   void __init(){}
   6 };
   7 class __attribute__((sycl_special_class)) class2 {
   8   void __init(){}
   9 };
  10
  11 class class3;
  12 class [[clang::sycl_special_class]] class3 {
  13   void __init(){}
  14 };
  15
  16 class class4;
  17 class __attribute__((sycl_special_class)) class4 {
  18   void __init(){}
  19 };
  20
  21 struct [[clang::sycl_special_class]] struct1 {
  22   void __init(){}
  23 };
  24 struct __attribute__((sycl_special_class)) struct2 {
  25   void __init(){}
  26 };
  27
  28 class __attribute__((sycl_special_class)) class5;
  29 class class5 {
  30   void __init(){}
  31 };
  32
  33 struct __attribute__((sycl_special_class)) struct6 {
  34   struct6();
  35   bool operator==(const struct6 &);
  36   struct6 &operator()();
  37   ~struct6();
  38   void __init(){}
  39 };
  40
  41 // Must have one and only one __init method defined
  42 class __attribute__((sycl_special_class)) class6 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  43   class6() {}
  44 };
  45 class [[clang::sycl_special_class]] class7 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  46   void __init();
  47 };
  48
  49 class [[clang::sycl_special_class]] class8 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  50   void __init();
  51   int func() {}
  52   void __init(int a){}
  53 };
  54
  55 struct __attribute__((sycl_special_class)) struct3;
  56 struct struct3 {}; // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  57
  58 // expected-error@+1{{'sycl_special_class' attribute must have one and only one '__init' method defined}}
  59 struct __attribute__((sycl_special_class)) struct7 {
  60   struct7();
  61   bool operator==(const struct7 &);
  62   struct7 &operator()();
  63   ~struct7();
  64 };
  65
  66 // Only classes
  67 [[clang::sycl_special_class]] int var1 = 0;       // expected-warning {{'sycl_special_class' attribute only applies to classes}}
  68 __attribute__((sycl_special_class)) int var2 = 0; // expected-warning {{'sycl_special_class' attribute only applies to classes}}
  69
  70 [[clang::sycl_special_class]] void foo1();       // expected-warning {{'sycl_special_class' attribute only applies to classes}}
  71 __attribute__((sycl_special_class)) void foo2(); // expected-warning {{'sycl_special_class' attribute only applies to classes}}
  72
  73 // Attribute takes no arguments
  74 class [[clang::sycl_special_class(1)]] class9{};         // expected-error {{'sycl_special_class' attribute takes no arguments}}
  75 class __attribute__((sycl_special_class(1))) class10 {}; // expected-error {{'sycl_special_class' attribute takes no arguments}}
  76
  77 // __init method must be defined inside the CXXRecordDecl.
  78 class [[clang::sycl_special_class]] class11 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  79   void __init();
  80 };
  81 void class11::__init(){}
  82
  83 class __attribute__((sycl_special_class)) class12 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  84   void __init();
  85 };
  86 void class12::__init(){}
  87
  88 struct [[clang::sycl_special_class]] struct4 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  89   void __init();
  90 };
  91 void struct4::__init(){}
  92
  93 struct __attribute__((sycl_special_class)) struct5 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
  94   void __init();
  95 };
  96 void struct5::__init(){}