1 | // REQUIRES: ompx_taskgraph |
2 | // RUN: %libomp-cxx-compile-and-run |
3 | #include <iostream> |
4 | #include <cassert> |
5 | #define NT 100 |
6 | |
7 | // Compiler-generated code (emulation) |
8 | typedef struct ident { |
9 | void* dummy; |
10 | } ident_t; |
11 | |
12 | |
13 | #ifdef __cplusplus |
14 | extern "C" { |
15 | int __kmpc_global_thread_num(ident_t *); |
16 | int __kmpc_start_record_task(ident_t *, int, int, int); |
17 | void __kmpc_end_record_task(ident_t *, int, int , int); |
18 | } |
19 | #endif |
20 | |
21 | void func(int *num_exec) { |
22 | (*num_exec)++; |
23 | } |
24 | |
25 | int main() { |
26 | int num_exec = 0; |
27 | int num_tasks = 0; |
28 | int x=0; |
29 | #pragma omp parallel |
30 | #pragma omp single |
31 | for (int iter = 0; iter < NT; ++iter) { |
32 | int gtid = __kmpc_global_thread_num(nullptr); |
33 | int res = __kmpc_start_record_task(nullptr, gtid, /* kmp_tdg_flags */ 0, /* tdg_id */0); |
34 | if (res) { |
35 | num_tasks++; |
36 | #pragma omp task |
37 | func(num_exec: &num_exec); |
38 | } |
39 | __kmpc_end_record_task(nullptr, gtid, /* kmp_tdg_flags */0, /* tdg_id */0); |
40 | } |
41 | |
42 | assert(num_tasks==1); |
43 | assert(num_exec==NT); |
44 | |
45 | std::cout << "Passed" << std::endl; |
46 | return 0; |
47 | } |
48 | // CHECK: Passed |
49 | |