/* { dg-do compile } */ /* { dg-require-effective-target vect_int } */ void f1 (int *x, long step1, int n) { for (int i = 0; i < n; ++i) x[i * step1] += 1; } void f2 (int *x, long step2, int n) { #pragma GCC ivdep for (int i = 0; i < n; ++i) x[i * step2] += 2; } /* { dg-final { scan-tree-dump {need run-time check that [^\n]*step1[^\n]* is nonzero} "vect" } } */ /* { dg-final { scan-tree-dump-not {need run-time check that [^\n]*step2[^\n]* is nonzero} "vect" } } */ /* { dg-final { scan-tree-dump-times {LOOP VECTORIZED} 2 "vect" } } */