| /* |
| * parallel-simple.c -- Archer testcase |
| */ |
| |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // |
| // See tools/archer/LICENSE.txt for details. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| |
| // RUN: %libarcher-compile && env OMP_TOOL_VERBOSE_INIT=stderr %libarcher-run 2>&1 | FileCheck %s --check-prefixes CHECK,TSAN_ON |
| // 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 |
| // REQUIRES: tsan |
| #include <omp.h> |
| #include <stdio.h> |
| |
| // TSAN_ON: ----- START LOGGING OF TOOL REGISTRATION ----- |
| // TSAN_ON-NEXT: Search for OMP tool in current address space... Failed. |
| // TSAN_ON-NEXT: No OMP_TOOL_LIBRARIES defined. |
| // TSAN_ON-NEXT: ...searching tool libraries failed. Using archer tool. |
| // TSAN_ON-NEXT: Opening libarcher.so... Success. |
| // TSAN_ON-NEXT: Searching for ompt_start_tool in libarcher.so... Success. |
| // TSAN_ON-NEXT: Tool was started and is using the OMPT interface. |
| // TSAN_ON-NEXT: ----- END LOGGING OF TOOL REGISTRATION ----- |
| |
| // TSAN_OFF: ----- START LOGGING OF TOOL REGISTRATION ----- |
| // TSAN_OFF-NEXT: Search for OMP tool in current address space... Failed. |
| // TSAN_OFF-NEXT: No OMP_TOOL_LIBRARIES defined. |
| // TSAN_OFF-NEXT: ...searching tool libraries failed. Using archer tool. |
| // TSAN_OFF-NEXT: Opening libarcher.so... Success. |
| // TSAN_OFF-NEXT: Searching for ompt_start_tool in libarcher.so... Found but not using the OMPT interface. |
| // TSAN_OFF-NEXT: No OMP tool loaded. |
| // TSAN_OFF-NEXT: ----- END LOGGING OF TOOL REGISTRATION ----- |
| |
| |
| int main(int argc, char *argv[]) { |
| int var = 0; |
| |
| #pragma omp parallel num_threads(2) shared(var) |
| { |
| if (omp_get_thread_num() == 1) { |
| var++; |
| } |
| } // implicit barrier |
| |
| var++; |
| |
| fprintf(stderr, "DONE\n"); |
| int error = (var != 2); |
| return error; |
| } |
| |
| // CHECK-NOT: ThreadSanitizer: data race |
| // CHECK-NOT: ThreadSanitizer: reported |
| // CHECK-NOT: Warning: please export TSAN_OPTIONS |
| // CHECK: DONE |