clang/test/OpenMP/parallel_for_ordered_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s -Wuninitialized
   3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
   4
   5 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 %s -Wuninitialized
   7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s -Wuninitialized
   8
   9 // expected-note@* 0+{{declared here}}
  10
  11 void foo() {
  12 }
  13
  14 bool foobool(int argc) {
  15   return argc;
  16 }
  17
  18 struct S1;
  19
  20 template <class T, typename S, int N, int ST>
  21 T tmain(T argc, S **argv) {
  22 #pragma omp parallel for ordered
  23   for (int i = ST; i < N; i++)
  24     argv[0][i] = argv[0][i] - argv[0][i - ST];
  25 #pragma omp parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  26   for (int i = ST; i < N; i++)
  27     argv[0][i] = argv[0][i] - argv[0][i - ST];
  28 #pragma omp parallel for ordered() // expected-error {{expected expression}}
  29   for (int i = ST; i < N; i++)
  30     argv[0][i] = argv[0][i] - argv[0][i - ST];
  31 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  32 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  33 #pragma omp parallel for ordered(argc
  34   for (int i = ST; i < N; i++)
  35     argv[0][i] = argv[0][i] - argv[0][i - ST];
  36 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
  37 #pragma omp parallel for ordered(ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  38   for (int i = ST; i < N; i++)
  39     argv[0][i] = argv[0][i] - argv[0][i - ST];
  40 #pragma omp parallel for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
  41   for (int i = ST; i < N; i++)
  42     argv[0][i] = argv[0][i] - argv[0][i - ST];
  43 #pragma omp parallel for ordered((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'ordered' clause}}
  44   for (int i = ST; i < N; i++)
  45     argv[0][i] = argv[0][i] - argv[0][i - ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp parallel for', but found only 1}}
  46 // expected-error@+3 2 {{directive '#pragma omp parallel for' cannot contain more than one 'ordered' clause}}
  47 // expected-error@+2 {{argument to 'ordered' clause must be a strictly positive integer value}}
  48 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  49 #pragma omp parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
  50   for (int i = ST; i < N; i++)
  51     argv[0][i] = argv[0][i] - argv[0][i - ST];
  52 #pragma omp parallel for ordered(S) // expected-error {{'S' does not refer to a value}}
  53   for (int i = ST; i < N; i++)
  54     argv[0][i] = argv[0][i] - argv[0][i - ST];
  55 #if __cplusplus <= 199711L
  56 // expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
  57 #else
  58 // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  59 #endif
  60 #pragma omp parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  61   for (int i = ST; i < N; i++)
  62     argv[0][i] = argv[0][i] - argv[0][i - ST];
  63 #pragma omp parallel for ordered(1)
  64   for (int i = ST; i < N; i++)
  65     argv[0][i] = argv[0][i] - argv[0][i - ST];
  66 #pragma omp parallel for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
  67   for (T i = ST; i < N; i++)
  68     argv[0][i] = argv[0][i] - argv[0][i - ST];
  69 #pragma omp parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
  70   foo();                            // expected-error {{expected 2 for loops after '#pragma omp parallel for'}}
  71   return argc;
  72 }
  73
  74 int main(int argc, char **argv) {
  75 #pragma omp parallel for ordered
  76   for (int i = 4; i < 12; i++)
  77     argv[0][i] = argv[0][i] - argv[0][i - 4];
  78 #pragma omp parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  79   for (int i = 4; i < 12; i++)
  80     argv[0][i] = argv[0][i] - argv[0][i - 4];
  81 #pragma omp parallel for ordered() // expected-error {{expected expression}}
  82   for (int i = 4; i < 12; i++)
  83     argv[0][i] = argv[0][i] - argv[0][i - 4];
  84 #pragma omp parallel for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
  85   for (int i = 4; i < 12; i++)
  86     argv[0][i] = argv[0][i] - argv[0][i - 4]; // expected-error {{expected 4 for loops after '#pragma omp parallel for', but found only 1}}
  87 #pragma omp parallel for ordered(2 + 2))      // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}  expected-note {{as specified in 'ordered' clause}}
  88   for (int i = 4; i < 12; i++)
  89     argv[0][i] = argv[0][i] - argv[0][i - 4];            // expected-error {{expected 4 for loops after '#pragma omp parallel for', but found only 1}}
  90 // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  91 #pragma omp parallel for ordered(foobool(1) > 0 ? 1 : 2)
  92   for (int i = 4; i < 12; i++)
  93     argv[0][i] = argv[0][i] - argv[0][i - 4];
  94 // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
  95 // expected-error@+2 2 {{directive '#pragma omp parallel for' cannot contain more than one 'ordered' clause}}
  96 // expected-error@+1 {{argument to 'ordered' clause must be a strictly positive integer value}}
  97 #pragma omp parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
  98   for (int i = 4; i < 12; i++)
  99     argv[0][i] = argv[0][i] - argv[0][i - 4];
 100 #pragma omp parallel for ordered(S1) // expected-error {{'S1' does not refer to a value}}
 101   for (int i = 4; i < 12; i++)
 102     argv[0][i] = argv[0][i] - argv[0][i - 4];
 103 #if __cplusplus <= 199711L
 104 // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
 105 #else
 106 // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
 107 #endif
 108 #pragma omp parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 109   for (int i = 4; i < 12; i++)
 110     argv[0][i] = argv[0][i] - argv[0][i - 4];
 111 // expected-error@+3 {{statement after '#pragma omp parallel for' must be a for loop}}
 112 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
 113 #pragma omp parallel for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
 114   foo();
 115 #pragma omp parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
 116   foo();                            // expected-error {{expected 2 for loops after '#pragma omp parallel for'}}
 117   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
 118   return tmain<int, char, 1, 0>(argc, argv);
 119 }
 120