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/* { dg-options "-O3 -fdump-tree-lversion-details" } */
/* These shouldn't be versioned; it's extremely likely that the code
is emulating two-dimensional arrays. */
void
f1 (double *x, int step, int n)
{
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
x[i * step + j] = 100;
}
void
f2 (double *x, int step, int n)
{
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
x[j * step + i] = 100;
}
void
f3 (double *x, int *offsets, int step, int n)
{
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
x[i * step + j + offsets[i]] = 100;
}
void
f4 (double *x, int *offsets, int step, int n)
{
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
x[j * step + i + offsets[i]] = 100;
}
/* { dg-final { scan-tree-dump-not {want to version} "lversion" } } */
/* { dg-final { scan-tree-dump-not {versioned} "lversion" } } */
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