// RUN: %libomp-compile-and-run // XFAIL: icc // UNSUPPORTED: clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10 // UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8 #include #include int a = 0, b = 1; int main(int argc, char **argv) { #pragma omp parallel { #pragma omp sections reduction(task, +: a) reduction(task, *: b) { #pragma omp section { #pragma omp task in_reduction(+: a) in_reduction(*: b) { a += 1; b *= 1; } } #pragma omp section { #pragma omp task in_reduction(+: a) in_reduction(*: b) { a += 2; b *= 2; } } #pragma omp section { #pragma omp task in_reduction(+: a) in_reduction(*: b) { a += 3; b *= 3; } } #pragma omp section { #pragma omp task in_reduction(+: a) in_reduction(*: b) { a += 4; b *= 4; } } #pragma omp section { #pragma omp task in_reduction(+: a) in_reduction(*: b) { a += 5; b *= 5; } } } } if (a != 15) { fprintf(stderr, "error: a != 15. Instead a = %d\n", a); exit(EXIT_FAILURE); } if (b != 120) { fprintf(stderr, "error: b != 120. Instead b = %d\n", b); exit(EXIT_FAILURE); } return EXIT_SUCCESS; }