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