blob: 6d7cd11673141b4018c851c7690541d3ff401a3a [file] [log] [blame]
// RUN: %libomp-compile-and-run
// The test checks the teams construct with reduction executed on the host.
#include <stdio.h>
#include <omp.h>
#include <stdint.h>
#ifndef N_TEAMS
#define N_TEAMS 4
#ifndef N_THR
#define N_THR 3
// Internal library stuff to emulate compiler's code generation:
#ifdef __cplusplus
extern "C" {
typedef struct {
int32_t reserved_1;
int32_t flags;
int32_t reserved_2;
int32_t reserved_3;
char const *psource;
} ident_t;
static ident_t dummy_loc = {0, 2, 0, 0, ";dummyFile;dummyFunc;0;0;;"};
typedef union {
// The global will be used as pointer, so we need to make sure that the
// compiler correctly aligns the global...
void *ptr;
int32_t data[8];
} kmp_critical_name;
kmp_critical_name crit;
int32_t __kmpc_global_thread_num(ident_t *);
void __kmpc_push_num_teams(ident_t *, int32_t global_tid, int32_t num_teams,
int32_t num_threads);
void __kmpc_fork_teams(ident_t *, int32_t argc, void *microtask, ...);
int32_t __kmpc_reduce(ident_t *, int32_t global_tid, int32_t num_vars,
size_t reduce_size, void *reduce_data, void *reduce_func,
kmp_critical_name *lck);
void __kmpc_end_reduce(ident_t *, int32_t global_tid, kmp_critical_name *lck);
#ifdef __cplusplus
// Outlined entry point:
void outlined(int32_t *gtid, int32_t *tid) {
int32_t ret = __kmpc_reduce(&dummy_loc, *gtid, 0, 0, NULL, NULL, &crit);
__kmpc_end_reduce(&dummy_loc, *gtid, &crit);
int main() {
int32_t th = __kmpc_global_thread_num(NULL); // registers initial thread
__kmpc_push_num_teams(&dummy_loc, th, N_TEAMS, N_THR);
__kmpc_fork_teams(&dummy_loc, 0, &outlined);
// Test did not hang -> passed!
return 0;