1 /* 2 * critical-unrelated.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[])19int main(int argc, char *argv[]) { 20 int var = 0; 21 22 #pragma omp parallel num_threads(8) shared(var) 23 { 24 #pragma omp critical 25 { 26 // Dummy region. 27 } 28 29 var++; 30 } 31 32 fprintf(stderr, "DONE\n"); 33 } 34 35 // CHECK: WARNING: ThreadSanitizer: data race 36 // CHECK-NEXT: {{(Write|Read)}} of size 4 37 // CHECK-NEXT: #0 {{.*}}critical-unrelated.c:29 38 // CHECK: Previous write of size 4 39 // CHECK-NEXT: #0 {{.*}}critical-unrelated.c:29 40 // CHECK: DONE 41 // CHECK: ThreadSanitizer: reported {{[1-7]}} warnings 42