xref: /llvm-project/offload/test/ompt/target_memcpy.c (revision 8823448807f3b1a1362d1417e062d763734e02f5)

// RUN: %libomptarget-compile-run-and-check-generic
// REQUIRES: ompt
// REQUIRES: gpu

/*
 * Verify that for the target OpenMP APIs, the return address is non-null and
 * distinct.
 */

#include <omp.h>
#include <stdlib.h>

#include "callbacks.h"
#include "register_non_emi.h"

int main() {
  int dev = omp_get_default_device();
  int host = omp_get_initial_device();

  int host_var1 = 42;
  int host_var2 = 0;
  void *dev_ptr = NULL;

  // Allocate space on the device
  dev_ptr = omp_target_alloc(sizeof(int), dev);
  if (dev_ptr == NULL)
    abort();

  // H2D transfer
  if (omp_target_memcpy(dev_ptr, &host_var1, sizeof(int), 0, 0, dev, host))
    abort();

  // D2D transfer
  if (omp_target_memcpy(dev_ptr, dev_ptr, sizeof(int), 0, 0, dev, dev))
    abort();

  // D2H transfer
  if (omp_target_memcpy(&host_var2, dev_ptr, sizeof(int), 0, 0, host, dev))
    abort();

  // Free the device location
  omp_target_free(dev_ptr, dev);

  // Both host variables should have the same value.
  return host_var1 != host_var2;
}

// clang-format off
/// CHECK: Callback DataOp: target_id=[[TARGET_ID:[0-9]+]] host_op_id=[[HOST_OP_ID:[0-9]+]] optype=1
/// CHECK-SAME: src_device_num=[[HOST:[0-9]+]]
/// CHECK-SAME: dest_device_num=[[DEVICE:[0-9]+]]
/// CHECK-NOT: code=(nil)
/// CHECK: code=[[CODE1:0x[0-f]+]]
/// CHECK: Callback DataOp: target_id=[[TARGET_ID:[0-9]+]] host_op_id=[[HOST_OP_ID:[0-9]+]] optype=2
/// CHECK-SAME: src_device_num=[[HOST]] {{.+}} dest_device_num=[[DEVICE]]
/// CHECK-NOT: code=(nil)
/// CHECK-NOT: code=[[CODE1]]
/// CHECK: code=[[CODE2:0x[0-f]+]]
/// CHECK: Callback DataOp: target_id=[[TARGET_ID:[0-9]+]] host_op_id=[[HOST_OP_ID:[0-9]+]] optype=3
/// CHECK-SAME: src_device_num=[[DEVICE]] {{.+}} dest_device_num=[[DEVICE]]
/// CHECK-NOT: code=(nil)
/// CHECK-NOT: code=[[CODE2]]
/// CHECK: code=[[CODE3:0x[0-f]+]]
/// CHECK: Callback DataOp: target_id=[[TARGET_ID:[0-9]+]] host_op_id=[[HOST_OP_ID:[0-9]+]] optype=3
/// CHECK-SAME: src_device_num=[[DEVICE]] {{.+}} dest_device_num=[[HOST]]
/// CHECK-NOT: code=(nil)
/// CHECK-NOT: code=[[CODE3]]
/// CHECK: code=[[CODE4:0x[0-f]+]]
/// CHECK: Callback DataOp: target_id=[[TARGET_ID:[0-9]+]] host_op_id=[[HOST_OP_ID:[0-9]+]] optype=4
/// CHECK-NOT: code=(nil)
/// CHECK-NOT: code=[[CODE4]]