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