1// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s
2// RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s
3// CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
4// RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx64-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
5// RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
6// CHECK-UNSUPPORTED-HOST-TARGET: error: The target '{{nvptx64-nvidia-cuda|nvptx-nvidia-cuda}}' is not a supported OpenMP host target.
7
8void foo() {
9}
10
11#pragma omp target // expected-error {{unexpected OpenMP directive '#pragma omp target'}}
12
13int main(int argc, char **argv) {
14  #pragma omp target { // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
15  foo();
16  #pragma omp target ( // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
17  foo();
18  #pragma omp target [ // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
19  foo();
20  #pragma omp target ] // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
21  foo();
22  #pragma omp target ) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
23  foo();
24  #pragma omp target } // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
25  foo();
26  #pragma omp target
27  foo();
28  // expected-warning@+1 {{extra tokens at the end of '#pragma omp target' are ignored}}
29  #pragma omp target unknown()
30  foo();
31  L1:
32    foo();
33  #pragma omp target
34  ;
35  #pragma omp target
36  {
37    goto L1; // expected-error {{use of undeclared label 'L1'}}
38    argc++;
39  }
40
41  for (int i = 0; i < 10; ++i) {
42    switch(argc) {
43     case (0):
44      #pragma omp target
45      {
46        foo();
47        break; // expected-error {{'break' statement not in loop or switch statement}}
48        continue; // expected-error {{'continue' statement not in loop statement}}
49      }
50      default:
51       break;
52    }
53  }
54
55  goto L2; // expected-error {{use of undeclared label 'L2'}}
56  #pragma omp target
57  L2:
58  foo();
59  #pragma omp target
60  {
61    return 1; // expected-error {{cannot return from OpenMP region}}
62  }
63
64  [[]] // expected-error {{an attribute list cannot appear here}}
65  #pragma omp target
66  for (int n = 0; n < 100; ++n) {}
67
68  return 0;
69}
70
71