1 /* 2 * ordered.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-and-run | FileCheck %s 16 // REQUIRES: tsan 17 #include <omp.h> 18 #include <stdio.h> 19 20 #define NUM_THREADS 2 21 main(int argc,char * argv[])22int main(int argc, char *argv[]) { 23 int var = 0; 24 int i; 25 26 #pragma omp parallel for ordered num_threads(NUM_THREADS) shared(var) 27 for (i = 0; i < NUM_THREADS; i++) { 28 #pragma omp ordered 29 { var++; } 30 } 31 32 fprintf(stderr, "DONE\n"); 33 int error = (var != 2); 34 return error; 35 } 36 37 // CHECK-NOT: ThreadSanitizer: data race 38 // CHECK-NOT: ThreadSanitizer: reported 39 // CHECK: DONE 40