clang/test/OpenMP/target_teams_distribute_parallel_for_collapse_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify -fopenmp %s -std=c++98 -Wuninitialized
   3 // RUN: %clang_cc1 -verify -fopenmp %s -std=c++11 -Wuninitialized
   4
   5 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify -fopenmp-simd %s -std=c++98 -Wuninitialized
   7 // RUN: %clang_cc1 -verify -fopenmp-simd %s -std=c++11 -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 target teams distribute parallel for collapse // expected-error {{expected '(' after 'collapse'}}
  23   for (int i = ST; i < N; i++)
  24     argv[0][i] = argv[0][i] - argv[0][i-ST];
  25
  26 #pragma omp target teams distribute parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  27   for (int i = ST; i < N; i++)
  28
  29     argv[0][i] = argv[0][i] - argv[0][i-ST];
  30 #pragma omp target teams distribute parallel for collapse () // expected-error {{expected expression}}
  31   for (int i = ST; i < N; i++)
  32     argv[0][i] = argv[0][i] - argv[0][i-ST];
  33
  34 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  35 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  36 #pragma omp target teams distribute parallel for collapse (argc
  37   for (int i = ST; i < N; i++)
  38     argv[0][i] = argv[0][i] - argv[0][i-ST];
  39
  40 // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  41 #pragma omp target teams distribute parallel for collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  42   for (int i = ST; i < N; i++)
  43     argv[0][i] = argv[0][i] - argv[0][i-ST];
  44
  45 #pragma omp target teams distribute parallel for collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
  46   for (int i = ST; i < N; i++)
  47     argv[0][i] = argv[0][i] - argv[0][i-ST];
  48
  49 #pragma omp target teams distribute parallel for collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
  50   for (int i = ST; i < N; i++)
  51     argv[0][i] = argv[0][i] - argv[0][i-ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
  52
  53 // expected-error@+3 2 {{directive '#pragma omp target teams distribute parallel for' cannot contain more than one 'collapse' clause}}
  54 // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  55 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  56 #pragma omp target teams distribute parallel for collapse (foobool(argc)), collapse (true), collapse (-5)
  57   for (int i = ST; i < N; i++)
  58     argv[0][i] = argv[0][i] - argv[0][i-ST];
  59
  60 #pragma omp distribute collapse (S) // expected-error {{'S' does not refer to a value}}
  61   for (int i = ST; i < N; i++)
  62     argv[0][i] = argv[0][i] - argv[0][i-ST];
  63
  64 #if __cplusplus >= 201103L
  65 // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type}}
  66 #else
  67 // expected-error@+2 2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
  68 #endif
  69 #pragma omp target teams distribute parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  70   for (int i = ST; i < N; i++)
  71     argv[0][i] = argv[0][i] - argv[0][i-ST];
  72
  73 #pragma omp target teams distribute parallel for collapse (1)
  74   for (int i = ST; i < N; i++)
  75     argv[0][i] = argv[0][i] - argv[0][i-ST];
  76
  77 #pragma omp target teams distribute parallel for collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
  78   for (T i = ST; i < N; i++)
  79     argv[0][i] = argv[0][i] - argv[0][i-ST];
  80
  81 #pragma omp target teams distribute parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}}
  82   foo(); // expected-error {{expected 2 for loops after '#pragma omp target teams distribute parallel for'}}
  83   return argc;
  84 }
  85
  86 int main(int argc, char **argv) {
  87 #pragma omp target teams distribute parallel for collapse // expected-error {{expected '(' after 'collapse'}}
  88   for (int i = 4; i < 12; i++)
  89     argv[0][i] = argv[0][i] - argv[0][i-4];
  90
  91 #pragma omp target teams distribute parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  92   for (int i = 4; i < 12; i++)
  93     argv[0][i] = argv[0][i] - argv[0][i-4];
  94
  95 #pragma omp target teams distribute parallel for collapse () // expected-error {{expected expression}}
  96   for (int i = 4; i < 12; i++)
  97     argv[0][i] = argv[0][i] - argv[0][i-4];
  98
  99 #pragma omp target teams distribute parallel for collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
 100   for (int i = 4; i < 12; i++)
 101     argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
 102
 103 #pragma omp target teams distribute parallel for collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}  expected-note {{as specified in 'collapse' clause}}
 104   for (int i = 4; i < 12; i++)
 105     argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
 106
 107 #pragma omp target teams distribute parallel for collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
 108   for (int i = 4; i < 12; i++)
 109     argv[0][i] = argv[0][i] - argv[0][i-4];
 110
 111 // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
 112 // expected-error@+2 2 {{directive '#pragma omp target teams distribute parallel for' cannot contain more than one 'collapse' clause}}
 113 // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
 114 #pragma omp target teams distribute parallel for collapse (foobool(argc)), collapse (true), collapse (-5)
 115   for (int i = 4; i < 12; i++)
 116     argv[0][i] = argv[0][i] - argv[0][i-4];
 117
 118 #pragma omp target teams distribute parallel for collapse (S1) // expected-error {{'S1' does not refer to a value}}
 119   for (int i = 4; i < 12; i++)
 120     argv[0][i] = argv[0][i] - argv[0][i-4];
 121
 122 #if __cplusplus >= 201103L
 123 // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type}}
 124 #else
 125 // expected-error@+2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
 126 #endif
 127 #pragma omp target teams distribute parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 128   for (int i = 4; i < 12; i++)
 129     argv[0][i] = argv[0][i] - argv[0][i-4];
 130
 131 // expected-error@+3 {{statement after '#pragma omp target teams distribute parallel for' must be a for loop}}
 132 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
 133 #pragma omp target teams distribute parallel for collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
 134   foo();
 135
 136 #pragma omp target teams distribute parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}}
 137   foo(); // expected-error {{expected 2 for loops after '#pragma omp target teams distribute parallel for'}}
 138
 139 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
 140   return tmain<int, char, 1, 0>(argc, argv);
 141 }
 142