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