clang/test/OpenMP/teams_distribute_parallel_for_num_teams_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 100 -o - %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 100 -o - %s -Wuninitialized
   4
   5 void foo() {
   6 }
   7
   8 bool foobool(int argc) {
   9   return argc;
  10 }
  11
  12 struct S1; // expected-note 2 {{declared here}}
  13
  14 template <typename T, int C> // expected-note {{declared here}}
  15 T tmain(T argc) {
  16   char **a;
  17   T z;
  18 #pragma omp target
  19 #pragma omp teams distribute parallel for num_teams(C)
  20   for (int i=0; i<100; i++) foo();
  21 #pragma omp target
  22 #pragma omp teams distribute parallel for num_teams(T) // expected-error {{'T' does not refer to a value}}
  23   for (int i=0; i<100; i++) foo();
  24 #pragma omp target
  25 #pragma omp teams distribute parallel for num_teams // expected-error {{expected '(' after 'num_teams'}}
  26   for (int i=0; i<100; i++) foo();
  27 #pragma omp target
  28 #pragma omp teams distribute parallel for num_teams( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  29   for (int i=0; i<100; i++) foo();
  30 #pragma omp target
  31 #pragma omp teams distribute parallel for num_teams() // expected-error {{expected expression}}
  32   for (int i=0; i<100; i++) foo();
  33 #pragma omp target
  34 #pragma omp teams distribute parallel for num_teams(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  35   for (int i=0; i<100; i++) foo();
  36 #pragma omp target
  37 #pragma omp teams distribute parallel for num_teams(argc)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute parallel for' are ignored}}
  38   for (int i=0; i<100; i++) foo();
  39 #pragma omp target
  40 #pragma omp teams distribute parallel for num_teams(argc > 0 ? a[1] : a[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
  41   for (int i=0; i<100; i++) foo();
  42 #pragma omp target
  43 #pragma omp teams distribute parallel for num_teams(argc + argc + z)
  44   for (int i=0; i<100; i++) foo();
  45 #pragma omp target
  46 #pragma omp teams distribute parallel for num_teams(argc), num_teams (argc+1) // expected-error {{directive '#pragma omp teams distribute parallel for' cannot contain more than one 'num_teams' clause}}
  47   for (int i=0; i<100; i++) foo();
  48 #pragma omp target
  49 #pragma omp teams distribute parallel for num_teams(S1) // expected-error {{'S1' does not refer to a value}}
  50   for (int i=0; i<100; i++) foo();
  51 #pragma omp target
  52 #pragma omp teams distribute parallel for num_teams(-2) // expected-error {{argument to 'num_teams' clause must be a strictly positive integer value}}
  53   for (int i=0; i<100; i++) foo();
  54 #pragma omp target
  55 #pragma omp teams distribute parallel for num_teams(-10u)
  56   for (int i=0; i<100; i++) foo();
  57 #pragma omp target
  58 #pragma omp teams distribute parallel for num_teams(3.14) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'double'}}
  59   for (int i=0; i<100; i++) foo();
  60
  61   return 0;
  62 }
  63
  64 int main(int argc, char **argv) {
  65   int z;
  66 #pragma omp target
  67 #pragma omp teams distribute parallel for num_teams // expected-error {{expected '(' after 'num_teams'}}
  68   for (int i=0; i<100; i++) foo();
  69
  70 #pragma omp target
  71 #pragma omp teams distribute parallel for num_teams ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  72   for (int i=0; i<100; i++) foo();
  73
  74 #pragma omp target
  75 #pragma omp teams distribute parallel for num_teams () // expected-error {{expected expression}}
  76   for (int i=0; i<100; i++) foo();
  77
  78 #pragma omp target
  79 #pragma omp teams distribute parallel for num_teams (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  80   for (int i=0; i<100; i++) foo();
  81
  82 #pragma omp target
  83 #pragma omp teams distribute parallel for num_teams (argc)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute parallel for' are ignored}}
  84   for (int i=0; i<100; i++) foo();
  85
  86 #pragma omp target
  87 #pragma omp teams distribute parallel for num_teams (argc > 0 ? argv[1] : argv[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
  88   for (int i=0; i<100; i++) foo();
  89
  90 #pragma omp target
  91 #pragma omp teams distribute parallel for num_teams (argc + argc - z)
  92   for (int i=0; i<100; i++) foo();
  93
  94 #pragma omp target
  95 #pragma omp teams distribute parallel for num_teams (argc), num_teams (argc+1) // expected-error {{directive '#pragma omp teams distribute parallel for' cannot contain more than one 'num_teams' clause}}
  96   for (int i=0; i<100; i++) foo();
  97
  98 #pragma omp target
  99 #pragma omp teams distribute parallel for num_teams (S1) // expected-error {{'S1' does not refer to a value}}
 100   for (int i=0; i<100; i++) foo();
 101
 102 #pragma omp target
 103 #pragma omp teams distribute parallel for num_teams (-2) // expected-error {{argument to 'num_teams' clause must be a strictly positive integer value}}
 104   for (int i=0; i<100; i++) foo();
 105
 106 #pragma omp target
 107 #pragma omp teams distribute parallel for num_teams (-10u)
 108   for (int i=0; i<100; i++) foo();
 109
 110 #pragma omp target
 111 #pragma omp teams distribute parallel for num_teams (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
 112   for (int i=0; i<100; i++) foo();
 113
 114   return tmain<int, 10>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 10>' requested here}}
 115 }