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