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