/* { dg-do run } */ /* { dg-additional-options "-ftree-parallelize-loops=2" } */ void abort (void); unsigned int g_sum = 1; unsigned int x[500][500]; void __attribute__((noinline,noclone)) parloop (int N) { int i, j; unsigned int sum; /* Double reduction is detected, outer loop is parallelized. */ sum = 0; for (i = 0; i < N; i++) for (j = 0; j < N; j++) sum += x[i][j]; g_sum = sum; } int main (void) { x[234][432] = 2; parloop (500); if (g_sum != 2) abort (); return 0; }