/* { 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" } } */