clang/test/OpenMP/distribute_parallel_for_simd_simdlen_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
   8 // expected-note@* 0+{{declared here}}
   9
  10 void foo() {
  11 }
  12
  13 bool foobool(int argc) {
  14   return argc;
  15 }
  16
  17 struct S1;
  18
  19 template <class T, typename S, int N, int ST>
  20 T tmain(T argc, S **argv) {
  21 #pragma omp target
  22 #pragma omp teams
  23 #pragma omp distribute parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
  24   for (int i = ST; i < N; i++)
  25     argv[0][i] = argv[0][i] - argv[0][i-ST];
  26
  27 #pragma omp target
  28 #pragma omp teams
  29 #pragma omp distribute parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  30   for (int i = ST; i < N; i++)
  31     argv[0][i] = argv[0][i] - argv[0][i-ST];
  32
  33 #pragma omp target
  34 #pragma omp teams
  35 #pragma omp distribute parallel for simd simdlen () // expected-error {{expected expression}}
  36   for (int i = ST; i < N; i++)
  37     argv[0][i] = argv[0][i] - argv[0][i-ST];
  38
  39 // expected-error@+4 {{expected ')'}} expected-note@+4 {{to match this '('}}
  40 // expected-error@+3 2 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
  41 #pragma omp target
  42 #pragma omp teams
  43 #pragma omp distribute parallel for simd simdlen (argc
  44   for (int i = ST; i < N; i++)
  45     argv[0][i] = argv[0][i] - argv[0][i-ST];
  46
  47 // expected-error@+3 {{argument to 'simdlen' clause must be a strictly positive integer value}}
  48 #pragma omp target
  49 #pragma omp teams
  50 #pragma omp distribute parallel for simd simdlen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  51   for (int i = ST; i < N; i++)
  52     argv[0][i] = argv[0][i] - argv[0][i-ST];
  53
  54 #pragma omp target
  55 #pragma omp teams
  56 #pragma omp distribute parallel for simd simdlen (1)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
  57   for (int i = ST; i < N; i++)
  58     argv[0][i] = argv[0][i] - argv[0][i-ST];
  59
  60 #pragma omp target
  61 #pragma omp teams
  62 #pragma omp distribute parallel for simd simdlen ((ST > 0) ? 1 + ST : 2)
  63   for (int i = ST; i < N; i++)
  64     argv[0][i] = argv[0][i] - argv[0][i-ST];
  65
  66 #pragma omp target
  67 #pragma omp teams
  68 // expected-error@+3 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'simdlen' clause}}
  69 // expected-error@+2 {{argument to 'simdlen' clause must be a strictly positive integer value}}
  70 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  71 #pragma omp distribute parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
  72   for (int i = ST; i < N; i++)
  73     argv[0][i] = argv[0][i] - argv[0][i-ST];
  74
  75 #pragma omp target
  76 #pragma omp teams
  77 #pragma omp distribute parallel for simd simdlen (S) // expected-error {{'S' does not refer to a value}}
  78   for (int i = ST; i < N; i++)
  79     argv[0][i] = argv[0][i] - argv[0][i-ST];
  80
  81 #if __cplusplus <= 199711L
  82   // expected-error@+6 2 {{integral constant expression}} expected-note@+6 0+{{constant expression}}
  83 #else
  84   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  85 #endif
  86 #pragma omp target
  87 #pragma omp teams
  88 #pragma omp distribute parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  89   for (int i = ST; i < N; i++)
  90     argv[0][i] = argv[0][i] - argv[0][i-ST];
  91
  92 #pragma omp target
  93 #pragma omp teams
  94 #pragma omp distribute parallel for simd simdlen (4)
  95   for (int i = ST; i < N; i++)
  96     argv[0][i] = argv[0][i] - argv[0][i-ST];
  97
  98 #pragma omp target
  99 #pragma omp teams
 100 #pragma omp distribute parallel for simd simdlen (N) // expected-error {{argument to 'simdlen' clause must be a strictly positive integer value}}
 101   for (T i = ST; i < N; i++)
 102     argv[0][i] = argv[0][i] - argv[0][i-ST];
 103
 104   return argc;
 105 }
 106
 107 int main(int argc, char **argv) {
 108 #pragma omp target
 109 #pragma omp teams
 110 #pragma omp distribute parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
 111   for (int i = 4; i < 12; i++)
 112     argv[0][i] = argv[0][i] - argv[0][i-4];
 113
 114 #pragma omp target
 115 #pragma omp teams
 116 #pragma omp distribute parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 117   for (int i = 4; i < 12; i++)
 118     argv[0][i] = argv[0][i] - argv[0][i-4];
 119
 120 #pragma omp target
 121 #pragma omp teams
 122 #pragma omp distribute parallel for simd simdlen () // expected-error {{expected expression}}
 123   for (int i = 4; i < 12; i++)
 124     argv[0][i] = argv[0][i] - argv[0][i-4];
 125
 126 #pragma omp target
 127 #pragma omp teams
 128 #pragma omp distribute parallel for simd simdlen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
 129   for (int i = 4; i < 12; i++)
 130     argv[0][i] = argv[0][i] - argv[0][i-4];
 131
 132 #pragma omp target
 133 #pragma omp teams
 134 #pragma omp distribute parallel for simd simdlen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
 135   for (int i = 4; i < 12; i++)
 136     argv[0][i] = argv[0][i] - argv[0][i-4];
 137
 138 #pragma omp target
 139 #pragma omp teams
 140 #pragma omp distribute parallel for simd simdlen (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
 141   for (int i = 4; i < 12; i++)
 142     argv[0][i] = argv[0][i] - argv[0][i-4];
 143
 144 #pragma omp target
 145 #pragma omp teams
 146 // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
 147 // expected-error@+2 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'simdlen' clause}}
 148 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
 149 #pragma omp distribute parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
 150   for (int i = 4; i < 12; i++)
 151     argv[0][i] = argv[0][i] - argv[0][i-4];
 152
 153 #pragma omp target
 154 #pragma omp teams
 155 #pragma omp distribute parallel for simd simdlen (S1) // expected-error {{'S1' does not refer to a value}}
 156   for (int i = 4; i < 12; i++)
 157     argv[0][i] = argv[0][i] - argv[0][i-4];
 158
 159 #if __cplusplus <= 199711L
 160   // expected-error@+6 {{integral constant expression}} expected-note@+6 0+{{constant expression}}
 161 #else
 162   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
 163 #endif
 164 #pragma omp target
 165 #pragma omp teams
 166 #pragma omp distribute parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 167   for (int i = 4; i < 12; i++)
 168     argv[0][i] = argv[0][i] - argv[0][i-4];
 169
 170 #pragma omp target
 171 #pragma omp teams
 172 #pragma omp distribute parallel for simd simdlen(simdlen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} expected-note {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
 173   foo(); // expected-error {{statement after '#pragma omp distribute parallel for simd' must be a for loop}}
 174
 175   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
 176   return tmain<int, char, 12, 4>(argc, argv);
 177 }
 178