xref: /llvm-project/offload/test/offloading/cuda_no_devices.c (revision 330d8983d25d08580fc1642fea48b2473f47a9da)
1 // The CUDA plugin used to complain on stderr when no CUDA devices were enabled,
2 // and then it let the application run anyway.  Check that there's no such
3 // complaint anymore, especially when the user isn't targeting CUDA.
4 
5 // RUN: %libomptarget-compile-generic
6 // RUN: env CUDA_VISIBLE_DEVICES= \
7 // RUN:   %libomptarget-run-generic 2>&1 | %fcheck-generic
8 
9 #include <stdio.h>
10 
11 // CHECK-NOT: {{.}}
12 //     CHECK: Hello World: 4
13 // CHECK-NOT: {{.}}
main()14 int main() {
15   int x = 0;
16 #pragma omp target teams num_teams(2) reduction(+ : x)
17   x += 2;
18   printf("Hello World: %d\n", x);
19   return 0;
20 }
21