xref: /llvm-project/openmp/runtime/test/parallel/bug54082.c (revision fe7f620ed6e30015267d131bb753fd408bb3dd8c)
1 // This test is adapted from test_parallel_for_allocate.c in SOLLVE V&V.
2 // https://github.com/SOLLVE/sollve_vv/blob/master/tests/5.0/parallel_for/test_parallel_for_allocate.c
3 // RUN: %libomp-compile-and-run
4 
5 // Support for allocate was added in GCC 11
6 // UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8, gcc-9, gcc-10
7 
8 #include <omp.h>
9 
10 #include <assert.h>
11 #include <stdlib.h>
12 
13 #define N 128
14 
main(int argc,char * argv[])15 int main(int argc, char *argv[]) {
16   int errors = 0;
17   int *x;
18   int result[N][N];
19   int successful_alloc = 0;
20 
21   omp_memspace_handle_t x_memspace = omp_default_mem_space;
22   omp_alloctrait_t x_traits[1] = {omp_atk_alignment, 64};
23   omp_allocator_handle_t x_alloc = omp_init_allocator(x_memspace, 1, x_traits);
24 
25   for (int i = 0; i < N; i++) {
26     for (int j = 0; j < N; j++) {
27       result[i][j] = -1;
28     }
29   }
30 
31 #pragma omp parallel for allocate(x_alloc: x) private(x) shared(result)
32   for (int i = 0; i < N; i++) {
33     x = (int *)malloc(N * sizeof(int));
34     if (x != NULL) {
35 #pragma omp simd simdlen(16) aligned(x : 64)
36       for (int j = 0; j < N; j++) {
37         x[j] = j * i;
38       }
39       for (int j = 0; j < N; j++) {
40         result[i][j] = x[j];
41       }
42       free(x);
43       successful_alloc++;
44     }
45   }
46 
47   errors += successful_alloc < 1;
48 
49   for (int i = 0; i < N; i++) {
50     for (int j = 0; j < N; j++) {
51       errors += result[i][j] != i * j;
52     }
53   }
54 
55   omp_destroy_allocator(x_alloc);
56 
57   return errors;
58 }
59