clang/test/OpenMP/teams_distribute_simd_collapse_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 #pragma omp target
  23 #pragma omp teams distribute simd collapse // expected-error {{expected '(' after 'collapse'}}
  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 distribute simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  29   for (int i = ST; i < N; i++)
  30
  31     argv[0][i] = argv[0][i] - argv[0][i-ST];
  32 #pragma omp target
  33 #pragma omp teams distribute simd collapse () // expected-error {{expected expression}}
  34   for (int i = ST; i < N; i++)
  35     argv[0][i] = argv[0][i] - argv[0][i-ST];
  36
  37 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
  38 // expected-error@+2 2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
  39 #pragma omp target
  40 #pragma omp teams distribute simd collapse (argc
  41   for (int i = ST; i < N; i++)
  42     argv[0][i] = argv[0][i] - argv[0][i-ST];
  43
  44 // expected-error@+2 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  45 #pragma omp target
  46 #pragma omp teams distribute simd collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  47   for (int i = ST; i < N; i++)
  48     argv[0][i] = argv[0][i] - argv[0][i-ST];
  49
  50 #pragma omp target
  51 #pragma omp teams distribute simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute simd' are ignored}}
  52   for (int i = ST; i < N; i++)
  53     argv[0][i] = argv[0][i] - argv[0][i-ST];
  54
  55 #pragma omp target
  56 #pragma omp teams distribute simd collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
  57   for (int i = ST; i < N; i++)
  58     argv[0][i] = argv[0][i] - argv[0][i-ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp teams distribute simd', but found only 1}}
  59
  60 // expected-error@+4 2 {{directive '#pragma omp teams distribute simd' cannot contain more than one 'collapse' clause}}
  61 // expected-error@+3 {{argument to 'collapse' clause must be a strictly positive integer value}}
  62 // expected-error@+2 2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
  63 #pragma omp target
  64 #pragma omp teams distribute simd collapse (foobool(argc)), collapse (true), collapse (-5)
  65   for (int i = ST; i < N; i++)
  66     argv[0][i] = argv[0][i] - argv[0][i-ST];
  67
  68 #pragma omp distribute collapse (S) // expected-error {{'S' does not refer to a value}}
  69   for (int i = ST; i < N; i++)
  70     argv[0][i] = argv[0][i] - argv[0][i-ST];
  71
  72 #if __cplusplus <= 199711L
  73   // expected-error@+5 2 {{integral constant expression}} expected-note@+5 0+{{constant expression}}
  74 #else
  75   // expected-error@+3 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  76 #endif
  77 #pragma omp target
  78 #pragma omp teams distribute simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  79   for (int i = ST; i < N; i++)
  80     argv[0][i] = argv[0][i] - argv[0][i-ST];
  81
  82 #pragma omp target
  83 #pragma omp teams distribute simd collapse (1)
  84   for (int i = ST; i < N; i++)
  85     argv[0][i] = argv[0][i] - argv[0][i-ST];
  86
  87 #pragma omp target
  88 #pragma omp teams distribute simd collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
  89   for (T 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 distribute simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
  94   foo(); // expected-error {{expected 2 for loops after '#pragma omp teams distribute simd'}}
  95   return argc;
  96 }
  97
  98 int main(int argc, char **argv) {
  99 #pragma omp target
 100 #pragma omp teams distribute simd collapse // expected-error {{expected '(' after 'collapse'}}
 101   for (int i = 4; i < 12; i++)
 102     argv[0][i] = argv[0][i] - argv[0][i-4];
 103
 104 #pragma omp target
 105 #pragma omp teams distribute simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 106   for (int i = 4; i < 12; i++)
 107     argv[0][i] = argv[0][i] - argv[0][i-4];
 108
 109 #pragma omp target
 110 #pragma omp teams distribute simd collapse () // expected-error {{expected expression}}
 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 distribute simd collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
 116   for (int i = 4; i < 12; i++)
 117     argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp teams distribute simd', but found only 1}}
 118
 119 #pragma omp target
 120 #pragma omp teams distribute simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute simd' are ignored}}  expected-note {{as specified in 'collapse' clause}}
 121   for (int i = 4; i < 12; i++)
 122     argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp teams distribute simd', but found only 1}}
 123
 124 #pragma omp target
 125 #pragma omp teams distribute simd collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
 126   for (int i = 4; i < 12; i++)
 127     argv[0][i] = argv[0][i] - argv[0][i-4];
 128
 129 // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
 130 // expected-error@+3 2 {{directive '#pragma omp teams distribute simd' cannot contain more than one 'collapse' clause}}
 131 // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
 132 #pragma omp target
 133 #pragma omp teams distribute simd collapse (foobool(argc)), collapse (true), collapse (-5)
 134   for (int i = 4; i < 12; i++)
 135     argv[0][i] = argv[0][i] - argv[0][i-4];
 136
 137 #pragma omp target
 138 #pragma omp teams distribute simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
 139   for (int i = 4; i < 12; i++)
 140     argv[0][i] = argv[0][i] - argv[0][i-4];
 141
 142 #if __cplusplus >= 201103L
 143   // expected-error@+5 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
 144 #else
 145   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
 146 #endif
 147 #pragma omp target
 148 #pragma omp teams distribute simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 149   for (int i = 4; i < 12; i++)
 150     argv[0][i] = argv[0][i] - argv[0][i-4];
 151
 152 // expected-error@+4 {{statement after '#pragma omp teams distribute simd' must be a for loop}}
 153 // expected-note@+2 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
 154 #pragma omp target
 155 #pragma omp teams distribute simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
 156   foo();
 157
 158 #pragma omp target
 159 #pragma omp teams distribute simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
 160   foo(); // expected-error {{expected 2 for loops after '#pragma omp teams distribute simd'}}
 161
 162 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
 163   return tmain<int, char, 1, 0>(argc, argv);
 164 }
 165