1 /* A test for strength reduction and induction variable elimination.
2 Target is restricted to x86 type architectures, so that we may
3 assume something about memory addressing modes. */
5 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
6 /* { dg-options "-O1 -fdump-tree-vars" } */
16 for (iter = 0; iter < 100; iter++)
17 arr_base[iter] = foo (iter);
20 /* Access to arr_base[iter].y should not be strength reduced, since
21 we have a memory mode including multiplication by 4. */
23 /* { dg-final { scan-tree-dump-times "arr_base.*=" 1 "vars" } } */
25 /* And original induction variable should be preserved. */
27 /* { dg-final { scan-tree-dump-times "int iter" 1 "vars" } } */
29 /* { dg-final { cleanup-tree-dump "vars" } } */