clang/test/OpenMP/taskloop_num_tasks_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 void foo() {
   6 }
   7
   8 bool foobool(int argc) {
   9   return argc;
  10 }
  11
  12 struct S1; // expected-note {{declared here}}
  13
  14 template <class T, class S> // expected-note {{declared here}}
  15 int tmain(T argc, S **argv) {
  16   T z;
  17   #pragma omp taskloop num_tasks // expected-error {{expected '(' after 'num_tasks'}}
  18   for (int i = 0; i < 10; ++i)
  19     foo();
  20   #pragma omp taskloop num_tasks ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  21   for (int i = 0; i < 10; ++i)
  22     foo();
  23   #pragma omp taskloop num_tasks () // expected-error {{expected expression}}
  24   for (int i = 0; i < 10; ++i)
  25     foo();
  26   #pragma omp taskloop num_tasks (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  27   for (int i = 0; i < 10; ++i)
  28     foo();
  29   #pragma omp taskloop num_tasks (argc)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
  30   for (int i = 0; i < 10; ++i)
  31     foo();
  32   #pragma omp taskloop num_tasks (argc > 0 ? argv[1][0] : argv[2][argc] + z)
  33   for (int i = 0; i < 10; ++i)
  34     foo();
  35   #pragma omp taskloop num_tasks (foobool(argc)), num_tasks (true) // expected-error {{directive '#pragma omp taskloop' cannot contain more than one 'num_tasks' clause}}
  36   for (int i = 0; i < 10; ++i)
  37     foo();
  38   #pragma omp taskloop num_tasks (S) // expected-error {{'S' does not refer to a value}}
  39   for (int i = 0; i < 10; ++i)
  40     foo();
  41   #pragma omp taskloop num_tasks (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  42   for (int i = 0; i < 10; ++i)
  43     foo();
  44   #pragma omp taskloop num_tasks(0) // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
  45   for (int i = 0; i < 10; ++i)
  46     foo();
  47   #pragma omp taskloop num_tasks(-1) // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
  48   for (int i = 0; i < 10; ++i)
  49     foo();
  50   #pragma omp taskloop num_tasks(argc) grainsize(argc) // expected-error {{'grainsize' and 'num_tasks' clause are mutually exclusive and may not appear on the same directive}} expected-note {{'num_tasks' clause is specified here}}
  51   for (int i = 0; i < 10; ++i)
  52     foo();
  53
  54   return 0;
  55 }
  56
  57 int main(int argc, char **argv) {
  58   int z;
  59   #pragma omp taskloop num_tasks // expected-error {{expected '(' after 'num_tasks'}}
  60   for (int i = 0; i < 10; ++i)
  61     foo();
  62   #pragma omp taskloop num_tasks ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  63   for (int i = 0; i < 10; ++i)
  64     foo();
  65   #pragma omp taskloop num_tasks () // expected-error {{expected expression}}
  66   for (int i = 0; i < 10; ++i)
  67     foo();
  68   #pragma omp taskloop num_tasks (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  69   for (int i = 0; i < 10; ++i)
  70     foo();
  71   #pragma omp taskloop num_tasks (argc)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
  72   for (int i = 0; i < 10; ++i)
  73     foo();
  74   #pragma omp taskloop num_tasks (argc > 0 ? argv[1][0] : argv[2][argc] - z)
  75   for (int i = 0; i < 10; ++i)
  76     foo();
  77   #pragma omp taskloop num_tasks (foobool(argc)), num_tasks (true) // expected-error {{directive '#pragma omp taskloop' cannot contain more than one 'num_tasks' clause}}
  78   for (int i = 0; i < 10; ++i)
  79     foo();
  80   #pragma omp taskloop num_tasks (S1) // expected-error {{'S1' does not refer to a value}}
  81   for (int i = 0; i < 10; ++i)
  82     foo();
  83   #pragma omp taskloop num_tasks (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  84   for (int i = 0; i < 10; ++i)
  85     foo();
  86   #pragma omp taskloop num_tasks (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  87   for (int i = 0; i < 10; ++i)
  88     foo();
  89   #pragma omp taskloop num_tasks(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  90   for (int i = 0; i < 10; ++i)
  91     foo();
  92   #pragma omp taskloop num_tasks(0)  // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
  93   for (int i = 0; i < 10; ++i)
  94     foo();
  95   #pragma omp taskloop num_tasks(-1) // expected-error {{argument to 'num_tasks' clause must be a strictly positive integer value}}
  96   for (int i = 0; i < 10; ++i)
  97     foo();
  98   #pragma omp taskloop num_tasks(argc) grainsize(argc) // expected-error {{'grainsize' and 'num_tasks' clause are mutually exclusive and may not appear on the same directive}} expected-note {{'num_tasks' clause is specified here}}
  99   for (int i = 0; i < 10; ++i)
 100     foo();
 101
 102   return tmain(argc, argv);
 103 }