clang/test/OpenMP/target_firstprivate_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   4
   5 void xxx(int argc) {
   6   int fp, fp1; // expected-note {{initialize the variable 'fp' to silence this warning}} expected-note {{initialize the variable 'fp1' to silence this warning}}
   7 #pragma omp target firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
   8   for (int i = 0; i < 10; ++i)
   9     ++fp1; // expected-warning {{variable 'fp1' is uninitialized when used here}}
  10 }
  11
  12 typedef void **omp_allocator_handle_t;
  13 extern const omp_allocator_handle_t omp_null_allocator;
  14 extern const omp_allocator_handle_t omp_default_mem_alloc;
  15 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  16 extern const omp_allocator_handle_t omp_const_mem_alloc;
  17 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  18 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  19 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  20 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  21 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  22
  23 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
  24 extern S1 a;
  25 class S2 {
  26   mutable int a;
  27
  28 public:
  29   S2() : a(0) {}
  30 };
  31 const S2 b;
  32 const S2 ba[5];
  33 class S3 {
  34   int a;
  35
  36 public:
  37   S3() : a(0) {}
  38 };
  39 const S3 ca[5];
  40 class S4 {
  41   int a;
  42   S4();
  43
  44 public:
  45   S4(int v) : a(v) {
  46 #pragma omp target firstprivate(a) firstprivate(this->a)
  47     for (int k = 0; k < v; ++k)
  48       ++this->a;
  49   }
  50 };
  51 class S5 {
  52   int a;
  53   S5() : a(0) {}
  54
  55 public:
  56   S5(int v) : a(v) {}
  57   S5 &operator=(S5 &s) {
  58 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(s.a) // expected-error {{expected variable name or data member of current class}}
  59     for (int k = 0; k < s.a; ++k) // expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
  60       ++s.a;
  61     return *this;
  62   }
  63 };
  64
  65 template <typename T>
  66 class S6 {
  67 public:
  68   T a;
  69
  70   S6() : a(0) {}
  71   S6(T v) : a(v) {
  72 #pragma omp target firstprivate(a) firstprivate(this->a)
  73     for (int k = 0; k < v; ++k)
  74       ++this->a;
  75   }
  76   S6 &operator=(S6 &s) {
  77 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(s.a) // expected-error {{expected variable name or data member of current class}}
  78     for (int k = 0; k < s.a; ++k)
  79       ++s.a;
  80     return *this;
  81   }
  82 };
  83
  84 template <typename T>
  85 class S7 : public T {
  86   T a;
  87   S7() : a(0) {}
  88
  89 public:
  90   S7(T v) : a(v) {
  91 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(T::a)
  92     for (int k = 0; k < a.a; ++k)
  93       ++this->a.a;
  94   }
  95   S7 &operator=(S7 &s) {
  96 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(s.a) firstprivate(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
  97     for (int k = 0; k < s.a.a; ++k)
  98       ++s.a.a;
  99     return *this;
 100   }
 101 };
 102
 103 S3 h;
 104 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 105
 106 template <class I, class C>
 107 int foomain(I argc, C **argv) {
 108   I e(4);
 109   I g(5);
 110   int i, z;
 111   int &j = i;
 112 #pragma omp target firstprivate // expected-error {{expected '(' after 'firstprivate'}}
 113 {}
 114 #pragma omp target firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 115 {}
 116 #pragma omp target firstprivate() // expected-error {{expected expression}}
 117 {}
 118 #pragma omp target firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 119 {}
 120 #pragma omp target firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 121 {}
 122 #pragma omp target firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 123 {}
 124 #pragma omp target firstprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
 125 {}
 126 #pragma omp target firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
 127 {}
 128 #pragma omp target firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
 129 {}
 130 #pragma omp target firstprivate(argv[1]) // expected-error {{expected variable name}}
 131 {}
 132 #pragma omp target firstprivate(e, g) allocate(omp_thread_mem_alloc: e) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target' directive}} expected-error {{allocator must be specified in the 'uses_allocators' clause}}
 133 {}
 134 #pragma omp target firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
 135 {}
 136 #pragma omp target shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp target'}}
 137 #pragma omp parallel
 138   {
 139     int v = 0;
 140     int i;
 141   }
 142 #pragma omp parallel shared(i, z)
 143 #pragma omp parallel firstprivate(i, z)
 144 #pragma omp target firstprivate(j)
 145 {}
 146 #pragma omp target firstprivate(i)
 147   {}
 148   return 0;
 149 }
 150
 151 void bar(S4 a[2]) {
 152 #pragma omp parallel
 153 #pragma omp target firstprivate(a)
 154   {}
 155 }
 156
 157 namespace A {
 158 double x;
 159 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 160 }
 161 namespace B {
 162 using A::x;
 163 }
 164
 165 int main(int argc, char **argv) {
 166   S4 e(4);
 167   S5 g(5);
 168   S6<float> s6(0.0) , s6_0(1.0);
 169   S7<S6<float> > s7(0.0) , s7_0(1.0);
 170   int i, z;
 171   int &j = i;
 172 #pragma omp target firstprivate // expected-error {{expected '(' after 'firstprivate'}}
 173 {}
 174 #pragma omp target firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 175 {}
 176 #pragma omp target firstprivate() // expected-error {{expected expression}}
 177 {}
 178 #pragma omp target firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 179 {}
 180 #pragma omp target firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 181 {}
 182 #pragma omp target firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 183 {}
 184 #pragma omp target firstprivate(argc, z)
 185 {}
 186 #pragma omp target firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
 187 {}
 188 #pragma omp target firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
 189 {}
 190 #pragma omp target firstprivate(argv[1]) // expected-error {{expected variable name}}
 191 {}
 192 #pragma omp target firstprivate(e, g)
 193 {}
 194 #pragma omp target firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
 195 {}
 196 #pragma omp target firstprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
 197 {}
 198 #pragma omp target shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp target'}}
 199 #pragma omp parallel
 200   {
 201     int i;
 202   }
 203 #pragma omp parallel shared(i)
 204 #pragma omp parallel firstprivate(i)
 205 #pragma omp target firstprivate(j)
 206 {}
 207 #pragma omp target firstprivate(i)
 208   {}
 209   static int si;
 210 #pragma omp target firstprivate(si) // OK
 211   {}
 212 #pragma omp target map(i) firstprivate(i) // expected-error {{firstprivate variable cannot be in a map clause in '#pragma omp target' directive}}
 213   {}
 214   s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
 215   s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float>>::operator=' requested here}}
 216   return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 217 }
 218