clang/test/OpenMP/target_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 #pragma omp target simd simdlen // expected-error {{expected '(' after 'simdlen'}}
  23   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  24
  25 #pragma omp target simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  26   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  27
  28 #pragma omp target simd simdlen () // expected-error {{expected expression}}
  29   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  30
  31 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  32 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  33 #pragma omp target simd simdlen (argc
  34   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  35
  36 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
  37 #pragma omp target simd simdlen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  38   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  39
  40 #pragma omp target simd simdlen (1)) // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
  41   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  42
  43 #pragma omp target simd simdlen ((ST > 0) ? 1 + ST : 2)
  44   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  45
  46   // expected-error@+3 2 {{directive '#pragma omp target simd' cannot contain more than one 'simdlen' clause}}
  47   // expected-error@+2 {{argument to 'simdlen' clause must be a strictly positive integer value}}
  48   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  49 #pragma omp target simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
  50   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  51
  52 #pragma omp target simd simdlen (S) // expected-error {{'S' does not refer to a value}}
  53   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  54
  55 #if __cplusplus <= 199711L
  56   // expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
  57 #else
  58   // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  59 #endif
  60 #pragma omp target simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  61   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  62
  63  #pragma omp target simd simdlen (4)
  64   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  65
  66   #pragma omp target simd simdlen (N) // expected-error {{argument to 'simdlen' clause must be a strictly positive integer value}}
  67   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  68
  69 #pragma omp target simd simdlen (2), safelen (4) // OK
  70   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  71
  72 #pragma omp target simd simdlen (4), safelen (4) // OK
  73   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  74
  75 #pragma omp target simd simdlen (8), safelen (4) // expected-error{{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
  76   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  77
  78   return argc;
  79 }
  80
  81 int main(int argc, char **argv) {
  82 #pragma omp target simd simdlen // expected-error {{expected '(' after 'simdlen'}}
  83   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  84
  85 #pragma omp target simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  86   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  87
  88 #pragma omp target simd simdlen () // expected-error {{expected expression}}
  89   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  90
  91 #pragma omp target simd simdlen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
  92   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  93
  94 #pragma omp target simd simdlen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
  95   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  96
  97   // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  98 #pragma omp target simd simdlen (foobool(1) > 0 ? 1 : 2)
  99   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 100
 101   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
 102 // expected-error@+2 2 {{directive '#pragma omp target simd' cannot contain more than one 'simdlen' clause}}
 103 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
 104 #pragma omp target simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
 105   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 106
 107 #pragma omp target simd simdlen (S1) // expected-error {{'S1' does not refer to a value}}
 108   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 109
 110 #if __cplusplus <= 199711L
 111   // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
 112 #else
 113   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
 114 #endif
 115 #pragma omp target simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 116   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 117
 118 // expected-error@+3 {{statement after '#pragma omp target simd' must be a for loop}}
 119 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
 120 #pragma omp target simd simdlen(simdlen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
 121   foo();
 122
 123 #pragma omp target simd simdlen (2), safelen (4) // OK
 124   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 125
 126 #pragma omp target simd simdlen (4), safelen (4) // OK
 127   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 128
 129 #pragma omp target simd simdlen (8), safelen (4) // expected-error{{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
 130   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
 131
 132   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
 133   return tmain<int, char, 12, 4>(argc, argv);
 134 }
 135