xref: /llvm-project/openmp/runtime/test/ompt/synchronization/barrier/for_loop.c (revision 7a72856af8b30f50e546b8368596fdc5f44cbca9)
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 y[] = {0,1,2,3};
10 
11   #pragma omp parallel num_threads(2)
12   {
13     //implicit barrier at end of for loop
14     int i;
15     #pragma omp for
16     for (i = 0; i < 4; i++)
17     {
18       y[i]++;
19     }
20     print_current_address();
21   }
22 
23   // clang-format off
24   // Check if libomp supports the callbacks for this test.
25   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region'
26   // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_sync_region_wait'
27 
28   // CHECK: 0: NULL_POINTER=[[NULL:.*$]]
29 
30   // master thread implicit barrier at loop end
31   // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
32   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
33   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
34   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
35 
36   // master thread implicit barrier at parallel end
37   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
38   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
39   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
40   // CHECK: {{^}}[[MASTER_ID]]: ompt_event_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
41 
42   // worker thread implicit barrier at loop end
43   // CHECK: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
44   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_workshare_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
45   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
46   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_workshare_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra={{0x[0-f]+}}
47 
48   // worker thread implicit barrier after parallel
49   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
50   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_parallel_begin: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
51   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_wait_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
52   // CHECK: {{^}}[[THREAD_ID]]: ompt_event_barrier_implicit_parallel_end: parallel_id={{[0-9]+}}, task_id={{[0-9]+}}, codeptr_ra=[[NULL]]
53   // clang-format on
54 
55   return 0;
56 }
57