1 /*
2 * parallel-simple.c -- Archer testcase
3 */
4 //===----------------------------------------------------------------------===//
5 //
6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
7 //
8 // See tools/archer/LICENSE.txt for details.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12
13 // RUN: %libarcher-compile-and-run-race | FileCheck %s
14 // RUN: %libarcher-compile-and-run-race-noserial | FileCheck %s
15 // REQUIRES: tsan
16 #include <omp.h>
17 #include <stdio.h>
18
main(int argc,char * argv[])19 int main(int argc, char *argv[]) {
20 int var = 0;
21
22 #pragma omp parallel num_threads(8) shared(var)
23 { var++; }
24
25 int error = (var != 2);
26 fprintf(stderr, "DONE\n");
27 return error;
28 }
29
30 // CHECK: WARNING: ThreadSanitizer: data race
31 // CHECK-NEXT: {{(Write|Read)}} of size 4
32 // CHECK-NEXT: #0 {{.*}}parallel-simple.c:23
33 // CHECK: Previous write of size 4
34 // CHECK-NEXT: #0 {{.*}}parallel-simple.c:23
35 // CHECK: DONE
36 // CHECK: ThreadSanitizer: reported {{[1-7]}} warnings
37