clang/test/OpenMP/target_simd_collapse_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
   3
   4 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s -Wuninitialized
   6
   7 // expected-note@* 0+{{declared here}}
   8
   9 void foo() {
  10 }
  11
  12 bool foobool(int argc) {
  13   return argc;
  14 }
  15
  16 struct S1;
  17
  18 template <class T, typename S, int N, int ST>
  19 T tmain(T argc, S **argv) {
  20   int j;
  21   #pragma omp target simd collapse // expected-error {{expected '(' after 'collapse'}}
  22   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  23   #pragma omp target simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  24   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  25   #pragma omp target simd collapse () // expected-error {{expected expression}}
  26   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  27   // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
  28   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  29   #pragma omp target simd collapse (argc
  30   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  31   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  32   #pragma omp target simd collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
  33   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  34   #pragma omp target simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
  35   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  36   #pragma omp target simd collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
  37   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 simd', but found only 1}}
  38
  39   // expected-error@+3 2 {{directive '#pragma omp target simd' cannot contain more than one 'collapse' clause}}
  40   // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
  41   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  42   #pragma omp target simd collapse (foobool(argc)), collapse (true), collapse (-5)
  43   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  44   #pragma omp target simd collapse (S) // expected-error {{'S' does not refer to a value}}
  45   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  46
  47   // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  48   #pragma omp target simd collapse (j=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  49   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  50   #pragma omp target simd collapse (1)
  51   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  52   #pragma omp target simd collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
  53   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
  54   #pragma omp target simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
  55   foo(); // expected-error {{expected 2 for loops after '#pragma omp target simd'}}
  56   return argc;
  57 }
  58
  59 int main(int argc, char **argv) {
  60   int j;
  61   #pragma omp target simd collapse // expected-error {{expected '(' after 'collapse'}}
  62   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  63   #pragma omp target simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  64   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  65   #pragma omp target simd collapse () // expected-error {{expected expression}}
  66   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  67   #pragma omp target simd collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
  68   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 simd', but found only 1}}
  69   #pragma omp target simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}  expected-note {{as specified in 'collapse' clause}}
  70   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 simd', but found only 1}}
  71
  72   #pragma omp target simd collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
  73   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  74
  75   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
  76   // expected-error@+2 2 {{directive '#pragma omp target simd' cannot contain more than one 'collapse' clause}}
  77   // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
  78   #pragma omp target simd collapse (foobool(argc)), collapse (true), collapse (-5)
  79   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  80   #pragma omp target simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
  81   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  82
  83   // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
  84   #pragma omp target simd collapse (j=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  85   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
  86   // expected-error@+3 {{statement after '#pragma omp target simd' must be a for loop}}
  87   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
  88   #pragma omp target simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
  89   foo();
  90   #pragma omp target simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
  91   foo(); // expected-error {{expected 2 for loops after '#pragma omp target simd'}}
  92   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
  93   return tmain<int, char, 1, 0>(argc, argv);
  94 }
  95