49 lines · cpp
1// REQUIRES: ompx_taskgraph2// RUN: %libomp-cxx-compile-and-run3#include <iostream>4#include <cassert>5#define NT 1006 7// Compiler-generated code (emulation)8typedef struct ident {9 void* dummy;10} ident_t;11 12 13#ifdef __cplusplus14extern "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#endif20 21void func(int *num_exec) {22 (*num_exec)++;23}24 25int main() {26 int num_exec = 0;27 int num_tasks = 0;28 int x=0;29 #pragma omp parallel30 #pragma omp single31 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);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: Passed49