gcc/testsuite/gcc.dg/tree-ssa/ldist-28.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
   3
   4 #define M (256)
   5 #define N (1024)
   6 int arr[M][N];
   7
   8 void
   9 foo (void)
  10 {
  11   for (unsigned i = 0; i < M; ++i)
  12     for (unsigned j = 0; j < N; ++j)
  13       arr[i][j] = 0;
  14 }
  15
  16 /* { dg-final { scan-tree-dump "Loop nest . distributed: split to 0 loops and 1 library" "ldist" } } */