xref: /llvm-project/offload/test/offloading/dynamic-schedule.cpp (revision 1a0cf245ac86c2f35c89cab47f83e9b474032e41)
1 // clang-format off
2 // RUN: %libomptarget-compilexx-generic && %libomptarget-run-generic 2>&1 | %fcheck-generic
3 // clang-format on
4 
5 // UNSUPPORTED: aarch64-unknown-linux-gnu
6 // UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
7 // UNSUPPORTED: x86_64-unknown-linux-gnu
8 // UNSUPPORTED: x86_64-unknown-linux-gnu-LTO
9 // UNSUPPORTED: s390x-ibm-linux-gnu
10 // UNSUPPORTED: s390x-ibm-linux-gnu-LTO
11 
12 // REQUIRES: amdgcn-amd-amdhsa
13 
14 #include <omp.h>
15 #include <stdio.h>
16 
17 #define N 100
18 
19 bool schedule(int lb, int ub, int stride, int chunk) {
20   int i;
21 
22   int result[N];
23   for (i = 0; i < N; i++) {
24     result[i] = 0;
25   }
26 
27 #pragma omp target parallel for schedule(dynamic, chunk)                       \
28     map(tofrom : result[ : N])
29   for (i = lb; i < ub; i += stride) {
30     result[i] += i;
31   }
32 
33   int value = 0;
34   bool success = true;
35   for (i = 0; i < N; i += stride) {
36     if (value != result[i]) {
37       printf("ERROR: result[%d] = %d instead of %d\n", i, result[i], value);
38       success = false;
39       break;
40     }
41     value += stride;
42   }
43 
44   return success;
45 }
46 
47 int main() {
48   // CHECK: SUCCESS CHUNK SIZE 1
49   if (schedule(0, N, 5, 1))
50     printf("SUCCESS CHUNK SIZE 1\n");
51 
52   // CHECK: SUCCESS CHUNK SIZE 3
53   if (schedule(0, N, 5, 3))
54     printf("SUCCESS CHUNK SIZE 3\n");
55 
56   return 0;
57 }
58