openmp/runtime/test/ompt/synchronization/barrier/single.c

   1 // RUN: %libomp-compile-and-run | %sort-threads | FileCheck %s
   2 // REQUIRES: ompt
   3 // UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7
   4 #include "callback.h"
   5 #include <omp.h>
   6
   7 int main()
   8 {
   9   int x = 0;
  10
  11   #pragma omp parallel num_threads(2)
  12   {
  13     //implicit barrier at end of single
  14     #pragma omp single
  15     {
  16       x++;
  17     }
  18     print_fuzzy_address();
  19     //critical section to avoid merge of two barriers into one
  20     #pragma omp critical
  21     {
  22       x++;
  23     }
  24   }
  25
  26   // clang-format off
  27   // Check if libomp supports the callbacks for this test.
  28   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region'
  29   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region_wait'
  30
  31   // CHECK: 0: NULL_POINTER=[[NULL:.*$]]
  32
  33   // master thread implicit barrier at single end
  34   // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS:0x[0-f]+]]{{[0-f][0-f]}}
  35   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS]]{{[0-f][0-f]}}
  36   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS]]{{[0-f][0-f]}}
  37   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS]]{{[0-f][0-f]}}
  38   // CHECK: {{^}}[[MASTER_ID]]: fuzzy_address={{.*}}[[RETURN_ADDRESS]]
  39
  40   // master thread implicit barrier at parallel end
  41   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
  42   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
  43   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
  44   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
  45
  46
  47   // worker thread implicit barrier at single end
  48   // CHECK: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS:0x[0-f]+]]{{[0-f][0-f]}}
  49   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS]]{{[0-f][0-f]}}
  50   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS]]{{[0-f][0-f]}}
  51   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS]]{{[0-f][0-f]}}
  52   // CHECK: {{^}}[[THREAD_ID]]: fuzzy_address={{.*}}[[RETURN_ADDRESS]]
  53
  54   // worker thread implicit barrier at parallel end
  55   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
  56   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
  57   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
  58   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
  59   // clang-format on
  60
  61   return 0;
  62 }