offload/test/mapping/reduction_implicit_map.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

// RUN: %libomptarget-compilexx-run-and-check-generic
// https://github.com/llvm/llvm-project/issues/182119
// UNSUPPORTED: intelgpu

#include <stdio.h>

void sum(int *input, int size, int *output) {
#pragma omp target teams distribute parallel for reduction(+ : output[0])      \
    map(to : input[0 : size])
  for (int i = 0; i < size; i++)
    output[0] += input[i];
}
int main() {
  const int size = 100;
  int *array = new int[size];
  int result = 0;
  for (int i = 0; i < size; i++)
    array[i] = i + 1;
  sum(array, size, &result);
  // CHECK: Result=5050
  printf("Result=%d\n", result);
  delete[] array;
  return 0;
}