xref: /llvm-project/offload/test/offloading/fortran/basic_array.c (revision 330d8983d25d08580fc1642fea48b2473f47a9da)
1 // Basic offloading test for function compiled with flang
2 // REQUIRES: flang, amdgcn-amd-amdhsa
3 
4 // RUN: %flang -c -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa \
5 // RUN:   %S/../../Inputs/basic_array.f90 -o basic_array.o
6 // RUN: %libomptarget-compile-generic basic_array.o
7 // RUN: %t | %fcheck-generic
8 
9 #include <stdio.h>
10 #define TEST_ARR_LEN 10
11 
12 #pragma omp declare target
13 void increment_at(int i, int *array);
14 #pragma omp end declare target
15 
increment_array(int * b,int n)16 void increment_array(int *b, int n) {
17 #pragma omp target map(tofrom : b [0:n])
18   for (int i = 0; i < n; i++) {
19     increment_at(i, b);
20   }
21 }
22 
main()23 int main() {
24   int arr[TEST_ARR_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
25 
26   increment_array(arr, TEST_ARR_LEN);
27   for (int i = 0; i < TEST_ARR_LEN; i++) {
28     printf("%d = %d\n", i, arr[i]);
29   }
30 
31   return 0;
32 }
33 
34 // CHECK: 0 = 1
35 // CHECK-NEXT: 1 = 2
36 // CHECK-NEXT: 2 = 3
37 // CHECK-NEXT: 3 = 4
38 // CHECK-NEXT: 4 = 5
39 // CHECK-NEXT: 5 = 6
40 // CHECK-NEXT: 6 = 7
41 // CHECK-NEXT: 7 = 8
42 // CHECK-NEXT: 8 = 9
43 // CHECK-NEXT: 9 = 10
44