llvm-project/clang/test/OpenMP/target_enter_data_map_messages.c

// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 -o - -x c++ %s -Wuninitialized

// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp-simd -ferror-limit 100 -o - %s -Wuninitialized
// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp-simd -ferror-limit 100 -o - -x c++ %s -Wuninitialized

void xxx(int argc) {
  int map; // expected-note {{initialize the variable 'map' to silence this warning}}
#pragma omp target enter data map(to: map) // expected-warning {{variable 'map' is uninitialized when used here}}
  for (int i = 0; i < 10; ++i)
    ;
}

int main(int argc, char **argv) {

  int r;
  #pragma omp target enter data // expected-error {{expected at least one 'map' clause for '#pragma omp target enter data'}}

  #pragma omp target enter data map(r) // expected-error {{map type must be specified for '#pragma omp target enter data'}}
  #pragma omp target enter data map(tofrom: r) // expected-error {{map type 'tofrom' is not allowed for '#pragma omp target enter data'}}

  #pragma omp target enter data map(always, to: r) allocate(r) // expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp target enter data'}}
  #pragma omp target enter data map(always, alloc: r)
  #pragma omp target enter data map(always, from: r) // expected-error {{map type 'from' is not allowed for '#pragma omp target enter data'}}
  #pragma omp target enter data map(release: r) // expected-error {{map type 'release' is not allowed for '#pragma omp target enter data'}}
  #pragma omp target enter data map(delete: r) // expected-error {{map type 'delete' is not allowed for '#pragma omp target enter data'}}

  return 0;
}