1/*
2 * parallel-simple.c -- Archer testcase
3 */
4
5//===----------------------------------------------------------------------===//
6//
7// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8//
9// See tools/archer/LICENSE.txt for details.
10// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
11//
12//===----------------------------------------------------------------------===//
13
14
15// RUN: %libarcher-compile && env OMP_TOOL_VERBOSE_INIT=stderr %libarcher-run 2>&1 | FileCheck %s --check-prefixes CHECK,TSAN_ON
16// RUN: %clang-archer %openmp_flags %flags %s -o %t && env OMP_TOOL_VERBOSE_INIT=stderr %t 2>&1 | FileCheck %s --check-prefixes CHECK,TSAN_OFF
17// REQUIRES: tsan
18#include <omp.h>
19#include <stdio.h>
20
21// TSAN_ON: ----- START LOGGING OF TOOL REGISTRATION -----
22// TSAN_ON-NEXT: Search for OMP tool in current address space... Failed.
23// TSAN_ON-NEXT: No OMP_TOOL_LIBRARIES defined.
24// TSAN_ON-NEXT: ...searching tool libraries failed. Using archer tool.
25// TSAN_ON-NEXT: Opening libarcher.so... Success.
26// TSAN_ON-NEXT: Searching for ompt_start_tool in libarcher.so... Success.
27// TSAN_ON-NEXT: Tool was started and is using the OMPT interface.
28// TSAN_ON-NEXT: ----- END LOGGING OF TOOL REGISTRATION -----
29
30// TSAN_OFF: ----- START LOGGING OF TOOL REGISTRATION -----
31// TSAN_OFF-NEXT: Search for OMP tool in current address space... Failed.
32// TSAN_OFF-NEXT: No OMP_TOOL_LIBRARIES defined.
33// TSAN_OFF-NEXT: ...searching tool libraries failed. Using archer tool.
34// TSAN_OFF-NEXT: Opening libarcher.so... Success.
35// TSAN_OFF-NEXT: Searching for ompt_start_tool in libarcher.so... Found but not using the OMPT interface.
36// TSAN_OFF-NEXT: No OMP tool loaded.
37// TSAN_OFF-NEXT: ----- END LOGGING OF TOOL REGISTRATION -----
38
39
40int main(int argc, char *argv[]) {
41 int var = 0;
42
43#pragma omp parallel num_threads(2) shared(var)
44 {
45 if (omp_get_thread_num() == 1) {
46 var++;
47 }
48 } // implicit barrier
49
50 var++;
51
52 fprintf(stderr, format: "DONE\n");
53 int error = (var != 2);
54 return error;
55}
56
57// CHECK-NOT: ThreadSanitizer: data race
58// CHECK-NOT: ThreadSanitizer: reported
59// CHECK-NOT: Warning: please export TSAN_OPTIONS
60// CHECK: DONE
61

source code of openmp/tools/archer/tests/parallel/parallel-simple.c