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// RUN: %libomptarget-compilexx-generic
// RUN: %libomptarget-run-generic %fcheck-generic
// REQUIRES: gpu
// UNSUPPORTED: nvidiagpu
// UNSUPPORTED: amdgpu
#include <cstdio>
#include <omp.h>
extern "C" {
void *llvm_omp_target_lock_mem(void *ptr, size_t size, int device_num);
void llvm_omp_target_unlock_mem(void *ptr, int device_num);
}
int main() {
int n = 100;
int *unlocked = new int[n];
for (int i = 0; i < n; i++)
unlocked[i] = i;
int *locked = (int *)llvm_omp_target_lock_mem(unlocked, n * sizeof(int),
omp_get_default_device());
if (!locked)
return 0;
#pragma omp target teams distribute parallel for map(tofrom : unlocked[ : n])
for (int i = 0; i < n; i++)
unlocked[i] += 1;
#pragma omp target teams distribute parallel for map(tofrom : unlocked[10 : 10])
for (int i = 10; i < 20; i++)
unlocked[i] += 1;
#pragma omp target teams distribute parallel for map(tofrom : locked[ : n])
for (int i = 0; i < n; i++)
locked[i] += 1;
#pragma omp target teams distribute parallel for map(tofrom : locked[10 : 10])
for (int i = 10; i < 20; i++)
locked[i] += 1;
llvm_omp_target_unlock_mem(unlocked, omp_get_default_device());
int err = 0;
for (int i = 0; i < n; i++) {
if (i < 10 || i > 19) {
if (unlocked[i] != i + 2) {
printf("Err at %d, got %d, expected %d\n", i, unlocked[i], i + 1);
err++;
}
} else if (unlocked[i] != i + 4) {
printf("Err at %d, got %d, expected %d\n", i, unlocked[i], i + 2);
err++;
}
}
// CHECK: PASS
if (err == 0)
printf("PASS\n");
return err;
}
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