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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
#define M (256)
#define N (512)
int a[M][N], b[M][N], c[M];
void
foo (void)
{
for (int i = M - 1; i >= 0; --i)
{
c[i] = 0;
for (unsigned j = N; j > 0; --j)
a[i][j - 1] = b[i][j - 1];
}
}
/* { dg-final { scan-tree-dump-times "Loop nest . distributed: split to 0 loops and 2 library" 1 "ldist" } } */
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