1 // RUN: %libomp-compile-and-run
2
3 // XFAIL: icc
4 // UNSUPPORTED: clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10
5 // UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8
6
7 #include <stdio.h>
8 #include <stdlib.h>
9
10 int a = 0, b = 1;
11
main(int argc,char ** argv)12 int main(int argc, char **argv) {
13
14 #pragma omp parallel
15 {
16 #pragma omp sections reduction(task, +: a) reduction(task, *: b)
17 {
18 #pragma omp section
19 {
20 #pragma omp task in_reduction(+: a) in_reduction(*: b)
21 {
22 a += 1;
23 b *= 1;
24 }
25 }
26 #pragma omp section
27 {
28 #pragma omp task in_reduction(+: a) in_reduction(*: b)
29 {
30 a += 2;
31 b *= 2;
32 }
33 }
34 #pragma omp section
35 {
36 #pragma omp task in_reduction(+: a) in_reduction(*: b)
37 {
38 a += 3;
39 b *= 3;
40 }
41 }
42 #pragma omp section
43 {
44 #pragma omp task in_reduction(+: a) in_reduction(*: b)
45 {
46 a += 4;
47 b *= 4;
48 }
49 }
50 #pragma omp section
51 {
52 #pragma omp task in_reduction(+: a) in_reduction(*: b)
53 {
54 a += 5;
55 b *= 5;
56 }
57 }
58 }
59 }
60
61 if (a != 15) {
62 fprintf(stderr, "error: a != 15. Instead a = %d\n", a);
63 exit(EXIT_FAILURE);
64 }
65 if (b != 120) {
66 fprintf(stderr, "error: b != 120. Instead b = %d\n", b);
67 exit(EXIT_FAILURE);
68 }
69
70 return EXIT_SUCCESS;
71 }
72