| // RUN: %libomp-compile-and-run |
| |
| // test checks IN dep kind in depend clause on taskwait nowait |
| // uses codegen emulation |
| // Note: no outlined task routine used |
| #include <stdio.h> |
| #include <omp.h> |
| // --------------------------------------------------------------------------- |
| // internal data to emulate compiler codegen |
| #define TIED 1 |
| typedef struct DEP { |
| size_t addr; |
| size_t len; |
| int flags; |
| } _dep; |
| typedef struct ID { |
| int reserved_1; |
| int flags; |
| int reserved_2; |
| int reserved_3; |
| char *psource; |
| } _id; |
| typedef struct task { |
| void** shareds; |
| void* entry; |
| int part_id; |
| void* destr_thunk; |
| int priority; |
| long long device_id; |
| int f_priv; |
| } task_t; |
| typedef int(*entry_t)(int, task_t*); |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| extern int __kmpc_global_thread_num(_id*); |
| task_t *__kmpc_omp_task_alloc(_id *loc, int gtid, int flags, |
| size_t sz, size_t shar, entry_t rtn); |
| int __kmpc_omp_task_with_deps(_id *loc, int gtid, task_t *task, int ndeps, |
| _dep *dep_lst, int nd_noalias, _dep *noalias_l); |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| int main() |
| { |
| int i1,i2,i3; |
| omp_set_num_threads(2); |
| printf("addresses: %p %p %p\n", &i1, &i2, &i3); |
| #pragma omp parallel |
| { |
| int t = omp_get_thread_num(); |
| printf("thread %d enters parallel\n", t); |
| #pragma omp single |
| { |
| #pragma omp task depend(in: i3) |
| { |
| int th = omp_get_thread_num(); |
| printf("task 0 created by th %d, executed by th %d\n", t, th); |
| } |
| #pragma omp task depend(in: i2) |
| { |
| int th = omp_get_thread_num(); |
| printf("task 1 created by th %d, executed by th %d\n", t, th); |
| } |
| // #pragma omp taskwait depend(in: i1, i2) nowait |
| { |
| _dep sdep[2]; |
| static _id loc = {0, 2, 0, 0, ";test.c;func;67;0;;"}; |
| int gtid = __kmpc_global_thread_num(&loc); |
| // instead of creating an empty task function we can now send NULL to runtime |
| task_t *ptr = __kmpc_omp_task_alloc(&loc, gtid, TIED, |
| sizeof(task_t), 0, NULL); |
| sdep[0].addr = (size_t)&i2; |
| sdep[0].flags = 1; // 1-in, 2-out, 3-inout, 4-mtx, 8-inoutset |
| sdep[1].addr = (size_t)&i1; |
| sdep[1].flags = 1; // in |
| __kmpc_omp_task_with_deps(&loc, gtid, ptr, 2, sdep, 0, NULL); |
| } |
| printf("single done\n"); |
| } |
| } |
| printf("passed\n"); |
| return 0; |
| } |