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// RUN: %libomptarget-compile-run-and-check-generic
// RUN: %libomptarget-compileopt-run-and-check-generic
// TODO: This requires malloc support for the threads states.
// FIXME: Flaky on all GPU targets.
// UNSUPPORTED: amdgcn-amd-amdhsa
// UNSUPPORTED: nvptx64-nvidia-cuda
// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
#include <omp.h>
#include <stdio.h>
#define N 10
int isCPU() { return 1; }
#pragma omp begin declare variant match(device = {kind(gpu)})
int isCPU() { return 0; }
#pragma omp end declare variant
int main(void) {
long int aa = 0;
int res = 0;
int ng = 12;
int cmom = 14;
int nxyz;
#pragma omp target map(from : nxyz, ng, cmom)
{
nxyz = isCPU() ? 2 : 5000;
ng = isCPU() ? 2 : 12;
cmom = isCPU() ? 2 : 14;
}
#pragma omp target teams distribute num_teams(nxyz) \
thread_limit(ng *(cmom - 1)) map(tofrom : aa)
for (int gid = 0; gid < nxyz; gid++) {
#pragma omp parallel for collapse(2)
for (unsigned int g = 0; g < ng; g++) {
for (unsigned int l = 0; l < cmom - 1; l++) {
int a = 0;
#pragma omp parallel for reduction(+ : a)
for (int i = 0; i < N; i++) {
a += i;
}
#pragma omp atomic
aa += a;
}
}
}
long exp = (long)ng * (cmom - 1) * nxyz * (N * (N - 1) / 2);
printf("The result is = %ld exp:%ld!\n", aa, exp);
if (aa != exp) {
printf("Failed %ld\n", aa);
return 1;
}
// CHECK: Success
printf("Success\n");
return 0;
}
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