clang/test/OpenMP/distribute_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 distribute collapse // expected-error {{expected '(' after 'collapse'}}
  23   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  24   #pragma omp distribute collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  25   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  26   #pragma omp distribute collapse () // expected-error {{expected expression}}
  27   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  28   // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  29   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  30   #pragma omp distribute collapse (argc
  31   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  32   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  33   #pragma omp distribute collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  34   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  35   #pragma omp distribute collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp distribute' are ignored}}
  36   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  37   #pragma omp distribute collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
  38   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', but found only 1}}
  39
  40   // expected-error@+3 2 {{directive '#pragma omp distribute' cannot contain more than one 'collapse' clause}}
  41   // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  42   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  43   #pragma omp distribute collapse (foobool(argc)), collapse (true), collapse (-5)
  44   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  45   #pragma omp distribute collapse (S) // expected-error {{'S' does not refer to a value}}
  46   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  47 #if __cplusplus <= 199711L
  48   // expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
  49 #else
  50   // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  51 #endif
  52   #pragma omp distribute collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  53   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  54   #pragma omp distribute collapse (1)
  55   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  56   #pragma omp distribute collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
  57   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  58   #pragma omp distribute collapse (2) // expected-note {{as specified in 'collapse' clause}}
  59   foo(); // expected-error {{expected 2 for loops after '#pragma omp distribute'}}
  60   return argc;
  61 }
  62
  63 int main(int argc, char **argv) {
  64   #pragma omp distribute collapse // expected-error {{expected '(' after 'collapse'}}
  65   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  66   #pragma omp distribute collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  67   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  68   #pragma omp distribute collapse () // expected-error {{expected expression}}
  69   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  70   #pragma omp distribute collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
  71   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', but found only 1}}
  72   #pragma omp distribute collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp distribute' are ignored}}  expected-note {{as specified in 'collapse' clause}}
  73   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', but found only 1}}
  74
  75   #pragma omp distribute collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
  76   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  77
  78   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
  79   // expected-error@+2 2 {{directive '#pragma omp distribute' cannot contain more than one 'collapse' clause}}
  80   // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
  81   #pragma omp distribute collapse (foobool(argc)), collapse (true), collapse (-5)
  82   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  83   #pragma omp distribute collapse (S1) // expected-error {{'S1' does not refer to a value}}
  84   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  85 #if __cplusplus <= 199711L
  86   // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
  87 #else
  88   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  89 #endif
  90   #pragma omp distribute collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  91   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  92   // expected-error@+3 {{statement after '#pragma omp distribute' must be a for loop}}
  93   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
  94   #pragma omp distribute collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
  95   foo();
  96   #pragma omp distribute collapse (2) // expected-note {{as specified in 'collapse' clause}}
  97   foo(); // expected-error {{expected 2 for loops after '#pragma omp distribute'}}
  98   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
  99   return tmain<int, char, 1, 0>(argc, argv);
 100 }
 101