xref: /llvm-project/clang/test/OpenMP/target_messages.cpp (revision f1958627d9cc6fde9fba025af2ed4c1566d1da04)
1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s
2 // RUN: not %clang_cc1 -fopenmp -std=c++11 -omptargets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s
3 // CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
4 
5 void foo() {
6 }
7 
8 #pragma omp target // expected-error {{unexpected OpenMP directive '#pragma omp target'}}
9 
10 int main(int argc, char **argv) {
11   #pragma omp target { // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
12   foo();
13   #pragma omp target ( // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
14   foo();
15   #pragma omp target [ // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
16   foo();
17   #pragma omp target ] // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
18   foo();
19   #pragma omp target ) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
20   foo();
21   #pragma omp target } // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
22   foo();
23   #pragma omp target
24   foo();
25   // expected-warning@+1 {{extra tokens at the end of '#pragma omp target' are ignored}}
26   #pragma omp target unknown()
27   foo();
28   L1:
29     foo();
30   #pragma omp target
31   ;
32   #pragma omp target
33   {
34     goto L1; // expected-error {{use of undeclared label 'L1'}}
35     argc++;
36   }
37 
38   for (int i = 0; i < 10; ++i) {
39     switch(argc) {
40      case (0):
41       #pragma omp target
42       {
43         foo();
44         break; // expected-error {{'break' statement not in loop or switch statement}}
45         continue; // expected-error {{'continue' statement not in loop statement}}
46       }
47       default:
48        break;
49     }
50   }
51 
52   goto L2; // expected-error {{use of undeclared label 'L2'}}
53   #pragma omp target
54   L2:
55   foo();
56   #pragma omp target
57   {
58     return 1; // expected-error {{cannot return from OpenMP region}}
59   }
60 
61   [[]] // expected-error {{an attribute list cannot appear here}}
62   #pragma omp target
63   for (int n = 0; n < 100; ++n) {}
64 
65   return 0;
66 }
67 
68