clang/test/OpenMP/for_ordered_clause.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s
   2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s
   3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
   4
   5 // RUN: %clang_cc1 -verify -fopenmp-simd %s
   6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 %s
   7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s
   8
   9 // expected-note@* 0+{{declared here}}
  10 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
  11
  12 void foo() {
  13 }
  14
  15 bool foobool(int argc) {
  16   return argc;
  17 }
  18
  19 struct S1;
  20
  21 template <class T, typename S, int N, int ST>
  22 T tmain(T argc, S **argv) {
  23 #pragma omp for ordered
  24   for (int i = ST; i < N; i++)
  25     argv[0][i] = argv[0][i] - argv[0][i - ST];
  26 #pragma omp for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  27   for (int i = ST; i < N; i++)
  28     argv[0][i] = argv[0][i] - argv[0][i - ST];
  29 #pragma omp for ordered() // expected-error {{expected expression}}
  30   for (int i = ST; i < N; i++)
  31     argv[0][i] = argv[0][i] - argv[0][i - ST];
  32 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  33 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  34 #pragma omp for ordered(argc
  35   for (int i = ST; i < N; i++)
  36     argv[0][i] = argv[0][i] - argv[0][i - ST];
  37 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
  38 #pragma omp for ordered(ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  39   for (int i = ST; i < N; i++)
  40     argv[0][i] = argv[0][i] - argv[0][i - ST];
  41 #pragma omp for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
  42   for (int i = ST; i < N; i++)
  43     argv[0][i] = argv[0][i] - argv[0][i - ST];
  44 #pragma omp for ordered((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'ordered' clause}}
  45   for (int i = ST; i < N; i++)
  46     argv[0][i] = argv[0][i] - argv[0][i - ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp for', but found only 1}}
  47 // expected-error@+3 2 {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}}
  48 // expected-error@+2 {{argument to 'ordered' clause must be a strictly positive integer value}}
  49 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  50 #pragma omp for ordered(foobool(argc)), ordered(true), ordered(-5)
  51   for (int i = ST; i < N; i++)
  52     argv[0][i] = argv[0][i] - argv[0][i - ST];
  53 #pragma omp for ordered(S) // expected-error {{'S' does not refer to a value}}
  54   for (int i = ST; i < N; i++)
  55     argv[0][i] = argv[0][i] - argv[0][i - ST];
  56 #if __cplusplus <= 199711L
  57 // expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
  58 #else
  59 // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  60 #endif
  61 #pragma omp for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  62   for (int i = ST; i < N; i++)
  63     argv[0][i] = argv[0][i] - argv[0][i - ST];
  64 #pragma omp for ordered(1)
  65   for (int i = ST; i < N; i++)
  66     argv[0][i] = argv[0][i] - argv[0][i - ST];
  67 #pragma omp for ordered(N-1) // expected-error 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
  68   for (int i = ST; i < N; i++)
  69     argv[0][i] = argv[0][i] - argv[0][i - ST];
  70 #pragma omp for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
  71   for (T i = ST; i < N; i++)
  72     argv[0][i] = argv[0][i] - argv[0][i - ST];
  73 #pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
  74   foo();                    // expected-error {{expected 2 for loops after '#pragma omp for'}}
  75 #pragma omp for ordered(N) collapse(N + 2) // expected-error {{the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause}} expected-note {{parameter of the 'collapse' clause}} expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
  76   for (int i = ST; i < N; i++)
  77     for (int j = ST; j < N; j++)
  78       for (int k = ST; k < N; k++)
  79         foo();
  80   return argc;
  81 }
  82
  83 int main(int argc, char **argv) {
  84 #pragma omp for ordered
  85   for (int i = 4; i < 12; i++)
  86     argv[0][i] = argv[0][i] - argv[0][i - 4];
  87 #pragma omp for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  88   for (int i = 4; i < 12; i++)
  89     argv[0][i] = argv[0][i] - argv[0][i - 4];
  90 #pragma omp for ordered() // expected-error {{expected expression}}
  91   for (int i = 4; i < 12; i++)
  92     argv[0][i] = argv[0][i] - argv[0][i - 4];
  93 #pragma omp for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
  94   for (int i = 4; i < 12; i++)
  95     argv[0][i] = argv[0][i] - argv[0][i - 4]; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
  96 #pragma omp for ordered(2 + 2))              // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}  expected-note {{as specified in 'ordered' clause}}
  97   for (int i = 4; i < 12; i++)
  98     argv[0][i] = argv[0][i] - argv[0][i - 4];    // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
  99 // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
 100 #pragma omp for ordered(foobool(1) > 0 ? 1 : 2)
 101   for (int i = 4; i < 12; i++)
 102     argv[0][i] = argv[0][i] - argv[0][i - 4];
 103 // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
 104 // expected-error@+2 2 {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}}
 105 // expected-error@+1 {{argument to 'ordered' clause must be a strictly positive integer value}}
 106 #pragma omp for ordered(foobool(argc)), ordered(true), ordered(-5)
 107   for (int i = 4; i < 12; i++)
 108     argv[0][i] = argv[0][i] - argv[0][i - 4];
 109 #pragma omp for ordered(S1) // expected-error {{'S1' does not refer to a value}}
 110   for (int i = 4; i < 12; i++)
 111     argv[0][i] = argv[0][i] - argv[0][i - 4];
 112 #if __cplusplus <= 199711L
 113 // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
 114 #else
 115 // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
 116 #endif
 117 #pragma omp for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 118   for (int i = 4; i < 12; i++)
 119     argv[0][i] = argv[0][i] - argv[0][i - 4];
 120 // expected-error@+3 {{statement after '#pragma omp for' must be a for loop}}
 121 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
 122 #pragma omp for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
 123   foo();
 124 #pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
 125   foo();                    // expected-error {{expected 2 for loops after '#pragma omp for'}}
 126 #pragma omp for ordered(0)              // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
 127   for (int i = 4; i < 12; i++)
 128     argv[0][i] = argv[0][i] - argv[0][i - 4];
 129 #pragma omp for ordered(2) collapse(3) // expected-error {{the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause}} expected-note {{parameter of the 'collapse' clause}}
 130   for (int i = 0; i < 10; i++)
 131     for (int j = 0; j < 11; j++)
 132       for (int k = 0; k < 12; k++)
 133         foo();
 134   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
 135   return tmain<int, char, 1, 0>(argc, argv);
 136 }
 137