clang/test/OpenMP/target_parallel_for_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
  16   return argc;
  17 }
  18
  19 struct S1;
  20
  21 template <class T, typename S, int N, int ST>
  22 T tmain(T argc, S **argv) {
  23   #pragma omp target parallel for collapse // expected-error {{expected '(' after 'collapse'}}
  24   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  25   #pragma omp target parallel for collapse ( // 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   #pragma omp target parallel for collapse () // expected-error {{expected expression}}
  28   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  29   // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  30   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  31   #pragma omp target parallel for collapse (argc
  32   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  33   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  34   #pragma omp target parallel for collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  35   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  36   #pragma omp target parallel for collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
  37   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  38   #pragma omp target parallel for collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
  39   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 target parallel for', but found only 1}}
  40   // expected-error@+3 2 {{directive '#pragma omp target parallel for' 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 target parallel for collapse (foobool(argc)), collapse (true), collapse (-5)
  44
  45   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  46   #pragma omp target parallel for collapse (S) // expected-error {{'S' does not refer to a value}}
  47   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  48 #if __cplusplus >= 201103L
  49   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  50 #else
  51   // expected-error@+2 2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
  52 #endif
  53   #pragma omp target parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  54   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  55   #pragma omp target parallel for collapse (1)
  56   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  57   #pragma omp target parallel for collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
  58   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  59   #pragma omp target parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}}
  60   foo(); // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
  61   return argc;
  62 }
  63
  64 int main(int argc, char **argv) {
  65   #pragma omp target parallel for collapse // expected-error {{expected '(' after 'collapse'}}
  66   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  67   #pragma omp target parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  68   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  69   #pragma omp target parallel for collapse () // expected-error {{expected expression}}
  70   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  71   #pragma omp target parallel for collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
  72   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 target parallel for', but found only 1}}
  73   #pragma omp target parallel for collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}  expected-note {{as specified in 'collapse' clause}}
  74   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 target parallel for', but found only 1}}
  75   #pragma omp target parallel for collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
  76
  77   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  78   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
  79   // expected-error@+2 2 {{directive '#pragma omp target parallel for' 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 target parallel for collapse (foobool(argc)), collapse (true), collapse (-5)
  82
  83   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  84   #pragma omp target parallel for collapse (S1) // expected-error {{'S1' does not refer to a value}}
  85   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  86 #if __cplusplus >= 201103L
  87   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
  88 #else
  89   // expected-error@+2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
  90 #endif
  91   #pragma omp target parallel for collapse (argv[1]=2) // 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   // expected-error@+3 {{statement after '#pragma omp target parallel for' must be a for loop}}
  94   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
  95   #pragma omp target parallel for collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
  96   foo();
  97   #pragma omp target parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}}
  98   foo(); // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
  99   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
 100   return tmain<int, char, 1, 0>(argc, argv);
 101 }
 102