File: target_uses_allocator.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (58 lines) | stat: -rwxr-xr-x 1,298 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
// RUN: %libomptarget-compile-run-and-check-generic

// UNSUPPORTED: amdgcn-amd-amdhsa

#include <omp.h>
#include <stdio.h>

#define N 1024

int test_omp_aligned_alloc_on_device() {
  int errors = 0;

  omp_memspace_handle_t memspace = omp_default_mem_space;
  omp_alloctrait_t traits[2] = {{omp_atk_alignment, 64}, {omp_atk_access, 64}};
  omp_allocator_handle_t alloc =
      omp_init_allocator(omp_default_mem_space, 1, traits);

#pragma omp target map(tofrom : errors) uses_allocators(alloc(traits))
  {
    int *x;
    int not_correct_array_values = 0;

    x = (int *)omp_aligned_alloc(64, N * sizeof(int), alloc);
    if (x == NULL) {
      errors++;
    } else {
#pragma omp parallel for simd simdlen(16) aligned(x : 64)
      for (int i = 0; i < N; i++) {
        x[i] = i;
      }

#pragma omp parallel for simd simdlen(16) aligned(x : 64)
      for (int i = 0; i < N; i++) {
        if (x[i] != i) {
#pragma omp atomic write
          not_correct_array_values = 1;
        }
      }
      if (not_correct_array_values) {
        errors++;
      }
      omp_free(x, alloc);
    }
  }

  omp_destroy_allocator(alloc);

  return errors;
}

int main() {
  int errors = 0;
  if (test_omp_aligned_alloc_on_device())
    printf("FAILE\n");
  else
    // CHECK: PASSED
    printf("PASSED\n");
}