/* { dg-options "-O3 -fdump-tree-lversion-details" } */ /* Test that we don't try to version for something that is never 1. */ void f1 (double *x, int stepx, int n) { if (stepx == 1) for (int i = 0; i < n; ++i) x[i] = 100; else for (int i = 0; i < n; ++i) x[stepx * i] = 100; } void f2 (double *x, int stepx, int n) { if (stepx <= 1) for (int i = 0; i < n; ++i) x[i] = 100; else for (int i = 0; i < n; ++i) x[stepx * i] = 100; } /* { dg-final { scan-tree-dump-times {want to version containing loop} 2 "lversion" } } */ /* { dg-final { scan-tree-dump-times {can never be 1} 2 "lversion" } } */ /* { dg-final { scan-tree-dump-not {versioned} "lversion" } } */