clang/test/OpenMP/task_private_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
   4
   5 typedef void **omp_allocator_handle_t;
   6 extern const omp_allocator_handle_t omp_null_allocator;
   7 extern const omp_allocator_handle_t omp_default_mem_alloc;
   8 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
   9 extern const omp_allocator_handle_t omp_const_mem_alloc;
  10 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  11 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  12 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  13 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  14 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  15
  16 void foo() {
  17 }
  18
  19 bool foobool(int argc) {
  20   return argc;
  21 }
  22
  23 struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
  24 extern S1 a;
  25 class S2 {
  26   mutable int a;
  27
  28 public:
  29   S2() : a(0) {}
  30   static float S2s; // expected-note {{static data member is predetermined as shared}}
  31 };
  32 const S2 b;
  33 const S2 ba[5];
  34 class S3 {
  35   int a;
  36
  37 public:
  38   S3() : a(0) {}
  39 };
  40 const S3 c;         // expected-note {{'c' defined here}}
  41 const S3 ca[5];     // expected-note {{'ca' defined here}}
  42 extern const int f; // expected-note {{'f' declared here}}
  43 class S4 {
  44   int a;
  45   S4(); // expected-note {{implicitly declared private here}}
  46
  47 public:
  48   S4(int v) : a(v) {}
  49 };
  50 class S5 {
  51   int a;
  52   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  53
  54 public:
  55   S5(int v) : a(v) {}
  56 };
  57
  58 int threadvar;
  59 #pragma omp threadprivate(threadvar) // expected-note {{defined as threadprivate or thread local}}
  60
  61 void bar(int n, int b[n]) {
  62 #pragma omp task private(b)
  63     foo();
  64 }
  65
  66 namespace A {
  67 double x;
  68 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
  69 }
  70 namespace B {
  71 using A::x;
  72 }
  73
  74 int main(int argc, char **argv) {
  75   const int d = 5;       // expected-note {{'d' defined here}}
  76   const int da[5] = {0}; // expected-note {{'da' defined here}}
  77   S4 e(4);
  78   S5 g(5);
  79   int i, z;
  80   int &j = i;
  81 #pragma omp task private                               // expected-error {{expected '(' after 'private'}}
  82 #pragma omp task private(                              // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  83 #pragma omp task private()                             // expected-error {{expected expression}}
  84 #pragma omp task private(argc                          // expected-error {{expected ')'}} expected-note {{to match this '('}}
  85 #pragma omp task private(argc,                         // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  86 #pragma omp task private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
  87 #pragma omp task private(argc argv)                    // expected-error {{expected ',' or ')' in 'private' clause}}
  88 #pragma omp task private(S1)                           // expected-error {{'S1' does not refer to a value}}
  89 #pragma omp task private(z, a, b, c, d, f)                // expected-error {{a private variable with incomplete type 'S1'}} expected-error 1 {{const-qualified variable without mutable fields cannot be private}} expected-error 2 {{const-qualified variable cannot be private}}
  90 #pragma omp task private(argv[1])                      // expected-error {{expected variable name}}
  91 #pragma omp task private(ba) 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 '('}}
  92 #pragma omp task private(ca)           // expected-error {{const-qualified variable without mutable fields cannot be private}}
  93 #pragma omp task private(da)           // expected-error {{const-qualified variable cannot be private}}
  94 #pragma omp task private(S2::S2s)      // expected-error {{shared variable cannot be private}}
  95 #pragma omp task private(e, g)         // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
  96 #pragma omp task private(threadvar, B::x)    // expected-error 2 {{threadprivate or thread local variable cannot be private}}
  97 #pragma omp task shared(i), private(i) // expected-error {{shared variable cannot be private}} expected-note {{defined as shared}}
  98   foo();
  99 #pragma omp task firstprivate(i) private(i) // expected-error {{firstprivate variable cannot be private}} expected-note {{defined as firstprivate}}
 100   foo();
 101 #pragma omp task private(i)
 102 #pragma omp task private(j)
 103   foo();
 104 #pragma omp task firstprivate(i)
 105   for (int k = 0; k < 10; ++k) {
 106 #pragma omp task private(i) allocate(omp_thread_mem_alloc: i) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'task' directive}}
 107     foo();
 108   }
 109   static int m;
 110 #pragma omp task private(m) // OK
 111     foo();
 112
 113   return 0;
 114 }